./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:58:41,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:58:41,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:58:41,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:58:41,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:58:41,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:58:41,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:58:41,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:58:41,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:58:41,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:58:41,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:58:41,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:58:41,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:58:41,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:58:41,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:58:41,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:58:41,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:58:41,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:58:41,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:58:41,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:58:41,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:58:41,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:58:41,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:58:41,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:58:41,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:58:41,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:58:41,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:58:41,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:58:41,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:58:41,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:58:41,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:58:41,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:58:41,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:58:41,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:58:41,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:58:41,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:58:41,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:58:41,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:58:41,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:58:41,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:58:41,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:58:41,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-25 18:58:41,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:58:41,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:58:41,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:58:41,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:58:41,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:58:41,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:58:41,830 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:58:41,830 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:58:41,830 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:58:41,831 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:58:41,832 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:58:41,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:58:41,832 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:58:41,833 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:58:41,833 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:58:41,833 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:58:41,833 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:58:41,833 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:58:41,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:58:41,835 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:58:41,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:58:41,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:58:41,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:58:41,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:58:41,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:58:41,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:58:41,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:58:41,838 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-25 18:58:41,838 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:58:41,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:58:41,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:58:41,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:58:41,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:58:41,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:58:41,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:58:41,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:58:41,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:58:41,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:58:41,840 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:58:41,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:58:41,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:58:41,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:58:41,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:58:41,841 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 [2021-11-25 18:58:42,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:58:42,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:58:42,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:58:42,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:58:42,159 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:58:42,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2021-11-25 18:58:42,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/data/dd7765dad/d32705b9fe964c138958323c70e5209d/FLAG873f87730 [2021-11-25 18:58:42,750 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:58:42,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2021-11-25 18:58:42,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/data/dd7765dad/d32705b9fe964c138958323c70e5209d/FLAG873f87730 [2021-11-25 18:58:43,061 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/data/dd7765dad/d32705b9fe964c138958323c70e5209d [2021-11-25 18:58:43,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:58:43,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:58:43,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:58:43,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:58:43,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:58:43,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:43,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6181f24b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43, skipping insertion in model container [2021-11-25 18:58:43,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:43,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:58:43,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:58:43,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:58:43,827 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:58:43,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:58:43,976 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:58:43,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43 WrapperNode [2021-11-25 18:58:43,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:58:43,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:58:43,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:58:43,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:58:43,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:44,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:44,050 INFO L137 Inliner]: procedures = 370, calls = 51, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 241 [2021-11-25 18:58:44,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:58:44,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:58:44,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:58:44,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:58:44,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:44,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:44,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:44,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:44,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:44,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:44,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:44,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:58:44,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:58:44,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:58:44,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:58:44,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (1/1) ... [2021-11-25 18:58:44,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:58:44,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:58:44,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:58:44,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cd77d9-a034-4e1a-bfac-2456ac80e315/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:58:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:58:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:58:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:58:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:58:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:58:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:58:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 18:58:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:58:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:58:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:58:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-25 18:58:44,243 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-25 18:58:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:58:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:58:44,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:58:44,245 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 18:58:44,412 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:58:44,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:58:45,067 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:58:45,079 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:58:45,079 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 18:58:45,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:58:45 BoogieIcfgContainer [2021-11-25 18:58:45,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:58:45,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:58:45,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:58:45,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:58:45,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:58:43" (1/3) ... [2021-11-25 18:58:45,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7c38a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:58:45, skipping insertion in model container [2021-11-25 18:58:45,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:58:43" (2/3) ... [2021-11-25 18:58:45,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7c38a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:58:45, skipping insertion in model container [2021-11-25 18:58:45,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:58:45" (3/3) ... [2021-11-25 18:58:45,099 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.i [2021-11-25 18:58:45,110 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 18:58:45,112 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:58:45,112 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2021-11-25 18:58:45,112 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 18:58:45,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,247 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,247 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,247 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,247 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,247 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,251 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:58:45,359 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-25 18:58:45,420 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:58:45,435 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:58:45,435 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-25 18:58:45,461 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 18:58:45,474 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 279 transitions, 563 flow [2021-11-25 18:58:45,478 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 279 transitions, 563 flow [2021-11-25 18:58:45,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 279 transitions, 563 flow [2021-11-25 18:58:45,590 INFO L129 PetriNetUnfolder]: 2/278 cut-off events. [2021-11-25 18:58:45,591 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-25 18:58:45,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 278 events. 2/278 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 257 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2021-11-25 18:58:45,613 INFO L116 LiptonReduction]: Number of co-enabled transitions 19488 [2021-11-25 18:59:48,440 WARN L227 SmtUtils]: Spent 7.05s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 18:59:56,041 WARN L227 SmtUtils]: Spent 7.60s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 271] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 19:00:02,024 WARN L227 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 19:00:09,944 WARN L227 SmtUtils]: Spent 7.92s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 271] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 19:00:31,049 WARN L227 SmtUtils]: Spent 21.08s on a formula simplification. DAG size of input: 232 DAG size of output: 230 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 19:00:41,337 WARN L227 SmtUtils]: Spent 10.28s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 271] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 19:01:13,909 WARN L227 SmtUtils]: Spent 32.57s on a formula simplification. DAG size of input: 232 DAG size of output: 230 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 19:01:30,356 WARN L227 SmtUtils]: Spent 16.44s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 271] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 19:01:30,364 INFO L131 LiptonReduction]: Checked pairs total: 143976 [2021-11-25 19:01:30,364 INFO L133 LiptonReduction]: Total number of compositions: 173 [2021-11-25 19:01:30,372 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133 places, 131 transitions, 267 flow [2021-11-25 19:01:30,507 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:30,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-25 19:01:30,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:30,526 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-25 19:01:30,526 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:30,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:30,532 INFO L85 PathProgramCache]: Analyzing trace with hash 864, now seen corresponding path program 1 times [2021-11-25 19:01:30,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:30,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565360698] [2021-11-25 19:01:30,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:30,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:30,658 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:30,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565360698] [2021-11-25 19:01:30,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565360698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:30,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:30,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-25 19:01:30,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123221130] [2021-11-25 19:01:30,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:30,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:01:30,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:30,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:01:30,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:01:30,700 INFO L87 Difference]: Start difference. First operand has 3795 states, 3712 states have (on average 2.038793103448276) internal successors, (7568), 3794 states have internal predecessors, (7568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:30,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:30,897 INFO L93 Difference]: Finished difference Result 3791 states and 7511 transitions. [2021-11-25 19:01:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:01:30,900 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2021-11-25 19:01:30,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:30,946 INFO L225 Difference]: With dead ends: 3791 [2021-11-25 19:01:30,947 INFO L226 Difference]: Without dead ends: 3791 [2021-11-25 19:01:30,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:01:30,957 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:30,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:01:30,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2021-11-25 19:01:31,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3791. [2021-11-25 19:01:31,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3791 states, 3712 states have (on average 2.0234375) internal successors, (7511), 3790 states have internal predecessors, (7511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:31,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 7511 transitions. [2021-11-25 19:01:31,218 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 7511 transitions. Word has length 1 [2021-11-25 19:01:31,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:31,219 INFO L470 AbstractCegarLoop]: Abstraction has 3791 states and 7511 transitions. [2021-11-25 19:01:31,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:31,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 7511 transitions. [2021-11-25 19:01:31,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:01:31,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:31,220 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:31,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:01:31,221 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:31,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:31,222 INFO L85 PathProgramCache]: Analyzing trace with hash 618582649, now seen corresponding path program 1 times [2021-11-25 19:01:31,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:31,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731584814] [2021-11-25 19:01:31,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:31,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:31,535 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:31,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731584814] [2021-11-25 19:01:31,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731584814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:31,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:31,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:01:31,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464559558] [2021-11-25 19:01:31,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:31,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:01:31,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:31,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:01:31,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:01:31,538 INFO L87 Difference]: Start difference. First operand 3791 states and 7511 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:32,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:32,334 INFO L93 Difference]: Finished difference Result 3996 states and 7917 transitions. [2021-11-25 19:01:32,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:01:32,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 19:01:32,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:32,404 INFO L225 Difference]: With dead ends: 3996 [2021-11-25 19:01:32,405 INFO L226 Difference]: Without dead ends: 3996 [2021-11-25 19:01:32,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:01:32,407 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 104 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:32,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 104 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 19:01:32,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2021-11-25 19:01:32,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3996. [2021-11-25 19:01:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3996 states, 3917 states have (on average 2.0211896859841714) internal successors, (7917), 3995 states have internal predecessors, (7917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:32,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3996 states and 7917 transitions. [2021-11-25 19:01:32,533 INFO L78 Accepts]: Start accepts. Automaton has 3996 states and 7917 transitions. Word has length 8 [2021-11-25 19:01:32,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:32,533 INFO L470 AbstractCegarLoop]: Abstraction has 3996 states and 7917 transitions. [2021-11-25 19:01:32,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3996 states and 7917 transitions. [2021-11-25 19:01:32,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:01:32,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:32,535 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:32,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:01:32,535 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:32,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:32,536 INFO L85 PathProgramCache]: Analyzing trace with hash -631771105, now seen corresponding path program 1 times [2021-11-25 19:01:32,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:32,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392505597] [2021-11-25 19:01:32,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:32,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:32,676 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:32,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392505597] [2021-11-25 19:01:32,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392505597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:32,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:32,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:01:32,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320048692] [2021-11-25 19:01:32,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:32,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:01:32,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:32,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:01:32,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:01:32,678 INFO L87 Difference]: Start difference. First operand 3996 states and 7917 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:33,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:33,849 INFO L93 Difference]: Finished difference Result 4331 states and 8587 transitions. [2021-11-25 19:01:33,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:01:33,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 19:01:33,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:33,880 INFO L225 Difference]: With dead ends: 4331 [2021-11-25 19:01:33,880 INFO L226 Difference]: Without dead ends: 4331 [2021-11-25 19:01:33,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:01:33,882 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 134 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:33,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 117 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 19:01:33,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2021-11-25 19:01:34,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 4261. [2021-11-25 19:01:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4261 states, 4182 states have (on average 2.0198469631755143) internal successors, (8447), 4260 states have internal predecessors, (8447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 8447 transitions. [2021-11-25 19:01:34,036 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 8447 transitions. Word has length 9 [2021-11-25 19:01:34,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:34,036 INFO L470 AbstractCegarLoop]: Abstraction has 4261 states and 8447 transitions. [2021-11-25 19:01:34,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:34,037 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 8447 transitions. [2021-11-25 19:01:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:34,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:34,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:34,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:01:34,039 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:34,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:34,040 INFO L85 PathProgramCache]: Analyzing trace with hash -782677637, now seen corresponding path program 1 times [2021-11-25 19:01:34,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:34,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175519938] [2021-11-25 19:01:34,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:34,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:34,310 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:34,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175519938] [2021-11-25 19:01:34,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175519938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:34,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:34,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:34,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228602597] [2021-11-25 19:01:34,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:34,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:34,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:34,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:34,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:34,313 INFO L87 Difference]: Start difference. First operand 4261 states and 8447 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:36,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:36,646 INFO L93 Difference]: Finished difference Result 8580 states and 16961 transitions. [2021-11-25 19:01:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:01:36,646 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:01:36,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:36,709 INFO L225 Difference]: With dead ends: 8580 [2021-11-25 19:01:36,709 INFO L226 Difference]: Without dead ends: 8580 [2021-11-25 19:01:36,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:01:36,711 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 637 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 1628 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:36,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [637 Valid, 601 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1628 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:01:36,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8580 states. [2021-11-25 19:01:36,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8580 to 4327. [2021-11-25 19:01:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4327 states, 4248 states have (on average 2.0204802259887007) internal successors, (8583), 4326 states have internal predecessors, (8583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 4327 states and 8583 transitions. [2021-11-25 19:01:36,918 INFO L78 Accepts]: Start accepts. Automaton has 4327 states and 8583 transitions. Word has length 11 [2021-11-25 19:01:36,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:36,919 INFO L470 AbstractCegarLoop]: Abstraction has 4327 states and 8583 transitions. [2021-11-25 19:01:36,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:36,920 INFO L276 IsEmpty]: Start isEmpty. Operand 4327 states and 8583 transitions. [2021-11-25 19:01:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:36,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:36,923 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:36,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:01:36,924 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:36,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:36,928 INFO L85 PathProgramCache]: Analyzing trace with hash 340723425, now seen corresponding path program 1 times [2021-11-25 19:01:36,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:36,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103509790] [2021-11-25 19:01:36,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:36,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:37,200 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:37,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103509790] [2021-11-25 19:01:37,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103509790] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:37,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:37,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:37,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035630635] [2021-11-25 19:01:37,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:37,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:37,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:37,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:37,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:37,202 INFO L87 Difference]: Start difference. First operand 4327 states and 8583 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:39,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:39,578 INFO L93 Difference]: Finished difference Result 8381 states and 16563 transitions. [2021-11-25 19:01:39,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:01:39,579 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:01:39,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:39,618 INFO L225 Difference]: With dead ends: 8381 [2021-11-25 19:01:39,619 INFO L226 Difference]: Without dead ends: 8381 [2021-11-25 19:01:39,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:01:39,620 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 568 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:39,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [568 Valid, 610 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 19:01:39,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8381 states. [2021-11-25 19:01:39,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8381 to 4356. [2021-11-25 19:01:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4356 states, 4277 states have (on average 2.0203413607668925) internal successors, (8641), 4355 states have internal predecessors, (8641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 4356 states and 8641 transitions. [2021-11-25 19:01:39,807 INFO L78 Accepts]: Start accepts. Automaton has 4356 states and 8641 transitions. Word has length 11 [2021-11-25 19:01:39,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:39,807 INFO L470 AbstractCegarLoop]: Abstraction has 4356 states and 8641 transitions. [2021-11-25 19:01:39,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:39,808 INFO L276 IsEmpty]: Start isEmpty. Operand 4356 states and 8641 transitions. [2021-11-25 19:01:39,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:39,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:39,814 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:39,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:01:39,814 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:39,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:39,815 INFO L85 PathProgramCache]: Analyzing trace with hash 947558989, now seen corresponding path program 2 times [2021-11-25 19:01:39,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:39,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952914802] [2021-11-25 19:01:39,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:39,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:40,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:40,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:40,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952914802] [2021-11-25 19:01:40,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952914802] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:40,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:40,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:40,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319147119] [2021-11-25 19:01:40,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:40,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:40,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:40,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:40,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:40,061 INFO L87 Difference]: Start difference. First operand 4356 states and 8641 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:42,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:42,070 INFO L93 Difference]: Finished difference Result 4651 states and 9175 transitions. [2021-11-25 19:01:42,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:01:42,079 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:01:42,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:42,091 INFO L225 Difference]: With dead ends: 4651 [2021-11-25 19:01:42,092 INFO L226 Difference]: Without dead ends: 4651 [2021-11-25 19:01:42,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:01:42,093 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 338 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 1920 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:42,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 450 Invalid, 1995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1920 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 19:01:42,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4651 states. [2021-11-25 19:01:42,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4651 to 4351. [2021-11-25 19:01:42,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4351 states, 4272 states have (on average 2.020365168539326) internal successors, (8631), 4350 states have internal predecessors, (8631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4351 states to 4351 states and 8631 transitions. [2021-11-25 19:01:42,241 INFO L78 Accepts]: Start accepts. Automaton has 4351 states and 8631 transitions. Word has length 11 [2021-11-25 19:01:42,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:42,241 INFO L470 AbstractCegarLoop]: Abstraction has 4351 states and 8631 transitions. [2021-11-25 19:01:42,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4351 states and 8631 transitions. [2021-11-25 19:01:42,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:42,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:42,243 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:42,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:01:42,243 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:42,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:42,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1323708025, now seen corresponding path program 3 times [2021-11-25 19:01:42,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:42,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040485730] [2021-11-25 19:01:42,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:42,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:42,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:42,487 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:42,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040485730] [2021-11-25 19:01:42,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040485730] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:42,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:42,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:42,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657807461] [2021-11-25 19:01:42,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:42,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:42,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:42,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:42,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:42,489 INFO L87 Difference]: Start difference. First operand 4351 states and 8631 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:44,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:44,832 INFO L93 Difference]: Finished difference Result 4621 states and 9115 transitions. [2021-11-25 19:01:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:01:44,832 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:01:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:44,846 INFO L225 Difference]: With dead ends: 4621 [2021-11-25 19:01:44,847 INFO L226 Difference]: Without dead ends: 4621 [2021-11-25 19:01:44,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:01:44,848 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 362 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 2593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:44,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 479 Invalid, 2593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 19:01:44,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4621 states. [2021-11-25 19:01:44,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4621 to 4346. [2021-11-25 19:01:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4346 states, 4267 states have (on average 2.0203890321068667) internal successors, (8621), 4345 states have internal predecessors, (8621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:44,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 8621 transitions. [2021-11-25 19:01:44,956 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 8621 transitions. Word has length 11 [2021-11-25 19:01:44,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:44,956 INFO L470 AbstractCegarLoop]: Abstraction has 4346 states and 8621 transitions. [2021-11-25 19:01:44,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 8621 transitions. [2021-11-25 19:01:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:44,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:44,958 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:44,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:01:44,958 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:44,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:44,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1534628305, now seen corresponding path program 4 times [2021-11-25 19:01:44,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:44,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109157861] [2021-11-25 19:01:44,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:44,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:45,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:45,147 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:45,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109157861] [2021-11-25 19:01:45,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109157861] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:45,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:45,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:45,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710737756] [2021-11-25 19:01:45,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:45,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:45,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:45,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:45,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:45,149 INFO L87 Difference]: Start difference. First operand 4346 states and 8621 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:47,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:47,435 INFO L93 Difference]: Finished difference Result 4563 states and 8998 transitions. [2021-11-25 19:01:47,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:01:47,436 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:01:47,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:47,450 INFO L225 Difference]: With dead ends: 4563 [2021-11-25 19:01:47,450 INFO L226 Difference]: Without dead ends: 4563 [2021-11-25 19:01:47,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:01:47,451 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 380 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 2532 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 2587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 2532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:47,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 483 Invalid, 2587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 2532 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:01:47,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4563 states. [2021-11-25 19:01:47,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4563 to 4336. [2021-11-25 19:01:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4336 states, 4257 states have (on average 2.019497298567066) internal successors, (8597), 4335 states have internal predecessors, (8597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 8597 transitions. [2021-11-25 19:01:47,553 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 8597 transitions. Word has length 11 [2021-11-25 19:01:47,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:47,553 INFO L470 AbstractCegarLoop]: Abstraction has 4336 states and 8597 transitions. [2021-11-25 19:01:47,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 8597 transitions. [2021-11-25 19:01:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:47,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:47,555 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:47,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:01:47,555 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:47,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:47,556 INFO L85 PathProgramCache]: Analyzing trace with hash 798897489, now seen corresponding path program 5 times [2021-11-25 19:01:47,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:47,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546712831] [2021-11-25 19:01:47,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:47,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:47,775 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:47,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546712831] [2021-11-25 19:01:47,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546712831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:47,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:47,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:47,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272396163] [2021-11-25 19:01:47,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:47,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:47,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:47,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:47,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:47,777 INFO L87 Difference]: Start difference. First operand 4336 states and 8597 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:50,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:50,175 INFO L93 Difference]: Finished difference Result 12542 states and 24813 transitions. [2021-11-25 19:01:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 19:01:50,176 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:01:50,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:50,208 INFO L225 Difference]: With dead ends: 12542 [2021-11-25 19:01:50,208 INFO L226 Difference]: Without dead ends: 12542 [2021-11-25 19:01:50,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-11-25 19:01:50,210 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 718 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 2214 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:50,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [718 Valid, 676 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2214 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:01:50,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12542 states. [2021-11-25 19:01:50,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12542 to 4387. [2021-11-25 19:01:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4387 states, 4308 states have (on average 2.0201949860724233) internal successors, (8703), 4386 states have internal predecessors, (8703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 4387 states and 8703 transitions. [2021-11-25 19:01:50,397 INFO L78 Accepts]: Start accepts. Automaton has 4387 states and 8703 transitions. Word has length 11 [2021-11-25 19:01:50,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:50,398 INFO L470 AbstractCegarLoop]: Abstraction has 4387 states and 8703 transitions. [2021-11-25 19:01:50,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:50,398 INFO L276 IsEmpty]: Start isEmpty. Operand 4387 states and 8703 transitions. [2021-11-25 19:01:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:50,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:50,399 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:50,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 19:01:50,400 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:50,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:50,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1922298551, now seen corresponding path program 2 times [2021-11-25 19:01:50,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:50,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088253050] [2021-11-25 19:01:50,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:50,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:50,607 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:50,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088253050] [2021-11-25 19:01:50,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088253050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:50,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:50,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:50,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194523548] [2021-11-25 19:01:50,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:50,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:50,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:50,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:50,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:50,609 INFO L87 Difference]: Start difference. First operand 4387 states and 8703 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:52,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:52,333 INFO L93 Difference]: Finished difference Result 12355 states and 24439 transitions. [2021-11-25 19:01:52,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:01:52,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:01:52,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:52,376 INFO L225 Difference]: With dead ends: 12355 [2021-11-25 19:01:52,376 INFO L226 Difference]: Without dead ends: 12355 [2021-11-25 19:01:52,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:01:52,378 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 620 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:52,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 649 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 19:01:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12355 states. [2021-11-25 19:01:52,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12355 to 4366. [2021-11-25 19:01:52,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4366 states, 4287 states have (on average 2.0202939118264522) internal successors, (8661), 4365 states have internal predecessors, (8661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:52,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 4366 states and 8661 transitions. [2021-11-25 19:01:52,554 INFO L78 Accepts]: Start accepts. Automaton has 4366 states and 8661 transitions. Word has length 11 [2021-11-25 19:01:52,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:52,555 INFO L470 AbstractCegarLoop]: Abstraction has 4366 states and 8661 transitions. [2021-11-25 19:01:52,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4366 states and 8661 transitions. [2021-11-25 19:01:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:52,556 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:52,556 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:52,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 19:01:52,557 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:52,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:52,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1101481365, now seen corresponding path program 3 times [2021-11-25 19:01:52,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:52,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028196874] [2021-11-25 19:01:52,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:52,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:52,776 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:52,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028196874] [2021-11-25 19:01:52,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028196874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:52,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:52,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:52,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515811381] [2021-11-25 19:01:52,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:52,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:52,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:52,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:52,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:52,778 INFO L87 Difference]: Start difference. First operand 4366 states and 8661 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:53,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:53,976 INFO L93 Difference]: Finished difference Result 8477 states and 16755 transitions. [2021-11-25 19:01:53,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:01:53,977 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:01:53,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:53,996 INFO L225 Difference]: With dead ends: 8477 [2021-11-25 19:01:53,996 INFO L226 Difference]: Without dead ends: 8477 [2021-11-25 19:01:53,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:01:53,997 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 405 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:53,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 399 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 19:01:54,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8477 states. [2021-11-25 19:01:54,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8477 to 4361. [2021-11-25 19:01:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4361 states, 4282 states have (on average 2.020317608594115) internal successors, (8651), 4360 states have internal predecessors, (8651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4361 states to 4361 states and 8651 transitions. [2021-11-25 19:01:54,123 INFO L78 Accepts]: Start accepts. Automaton has 4361 states and 8651 transitions. Word has length 11 [2021-11-25 19:01:54,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:54,123 INFO L470 AbstractCegarLoop]: Abstraction has 4361 states and 8651 transitions. [2021-11-25 19:01:54,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:54,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4361 states and 8651 transitions. [2021-11-25 19:01:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:54,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:54,124 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:54,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 19:01:54,125 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:54,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:54,125 INFO L85 PathProgramCache]: Analyzing trace with hash -642784033, now seen corresponding path program 4 times [2021-11-25 19:01:54,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:54,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891193310] [2021-11-25 19:01:54,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:54,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:54,354 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:54,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891193310] [2021-11-25 19:01:54,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891193310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:54,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:54,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:54,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764528465] [2021-11-25 19:01:54,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:54,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:54,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:54,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:54,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:54,356 INFO L87 Difference]: Start difference. First operand 4361 states and 8651 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:56,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:56,100 INFO L93 Difference]: Finished difference Result 8447 states and 16695 transitions. [2021-11-25 19:01:56,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:01:56,101 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:01:56,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:56,113 INFO L225 Difference]: With dead ends: 8447 [2021-11-25 19:01:56,113 INFO L226 Difference]: Without dead ends: 8447 [2021-11-25 19:01:56,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:01:56,114 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 422 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:56,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 431 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1918 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 19:01:56,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8447 states. [2021-11-25 19:01:56,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8447 to 4356. [2021-11-25 19:01:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4356 states, 4277 states have (on average 2.0203413607668925) internal successors, (8641), 4355 states have internal predecessors, (8641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 4356 states and 8641 transitions. [2021-11-25 19:01:56,239 INFO L78 Accepts]: Start accepts. Automaton has 4356 states and 8641 transitions. Word has length 11 [2021-11-25 19:01:56,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:56,239 INFO L470 AbstractCegarLoop]: Abstraction has 4356 states and 8641 transitions. [2021-11-25 19:01:56,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 4356 states and 8641 transitions. [2021-11-25 19:01:56,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:56,240 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:56,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:56,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 19:01:56,241 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:56,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:56,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1008319603, now seen corresponding path program 5 times [2021-11-25 19:01:56,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:56,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557302663] [2021-11-25 19:01:56,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:56,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:56,429 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:56,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557302663] [2021-11-25 19:01:56,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557302663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:56,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:56,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:56,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515503696] [2021-11-25 19:01:56,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:56,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:56,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:56,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:56,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:56,431 INFO L87 Difference]: Start difference. First operand 4356 states and 8641 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:58,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:58,279 INFO L93 Difference]: Finished difference Result 8388 states and 16577 transitions. [2021-11-25 19:01:58,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:01:58,280 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:01:58,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:58,292 INFO L225 Difference]: With dead ends: 8388 [2021-11-25 19:01:58,292 INFO L226 Difference]: Without dead ends: 8388 [2021-11-25 19:01:58,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:01:58,293 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 461 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:58,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [461 Valid, 430 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:01:58,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8388 states. [2021-11-25 19:01:58,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8388 to 4346. [2021-11-25 19:01:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4346 states, 4267 states have (on average 2.0194516053433325) internal successors, (8617), 4345 states have internal predecessors, (8617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:58,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 8617 transitions. [2021-11-25 19:01:58,419 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 8617 transitions. Word has length 11 [2021-11-25 19:01:58,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:58,420 INFO L470 AbstractCegarLoop]: Abstraction has 4346 states and 8617 transitions. [2021-11-25 19:01:58,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:01:58,420 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 8617 transitions. [2021-11-25 19:01:58,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:01:58,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:58,421 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:58,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 19:01:58,422 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:01:58,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:58,445 INFO L85 PathProgramCache]: Analyzing trace with hash -395723853, now seen corresponding path program 6 times [2021-11-25 19:01:58,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:58,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876116411] [2021-11-25 19:01:58,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:58,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:58,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:58,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876116411] [2021-11-25 19:01:58,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876116411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:58,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:58,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:01:58,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7844358] [2021-11-25 19:01:58,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:58,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:01:58,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:58,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:01:58,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:01:58,670 INFO L87 Difference]: Start difference. First operand 4346 states and 8617 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:01,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:01,438 INFO L93 Difference]: Finished difference Result 8351 states and 16555 transitions. [2021-11-25 19:02:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-25 19:02:01,438 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:01,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:01,447 INFO L225 Difference]: With dead ends: 8351 [2021-11-25 19:02:01,447 INFO L226 Difference]: Without dead ends: 8351 [2021-11-25 19:02:01,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-11-25 19:02:01,448 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 667 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 2847 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 2912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:01,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [667 Valid, 504 Invalid, 2912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2847 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:02:01,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8351 states. [2021-11-25 19:02:01,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8351 to 4238. [2021-11-25 19:02:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4238 states, 4161 states have (on average 2.018985820716174) internal successors, (8401), 4237 states have internal predecessors, (8401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 4238 states and 8401 transitions. [2021-11-25 19:02:01,587 INFO L78 Accepts]: Start accepts. Automaton has 4238 states and 8401 transitions. Word has length 11 [2021-11-25 19:02:01,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:01,588 INFO L470 AbstractCegarLoop]: Abstraction has 4238 states and 8401 transitions. [2021-11-25 19:02:01,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:01,588 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 8401 transitions. [2021-11-25 19:02:01,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:02:01,588 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:01,588 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:01,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 19:02:01,589 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:01,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:01,589 INFO L85 PathProgramCache]: Analyzing trace with hash 727677209, now seen corresponding path program 6 times [2021-11-25 19:02:01,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:01,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555216591] [2021-11-25 19:02:01,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:01,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:01,762 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:01,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555216591] [2021-11-25 19:02:01,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555216591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:01,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:01,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:01,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525856795] [2021-11-25 19:02:01,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:01,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:01,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:01,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:01,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:01,764 INFO L87 Difference]: Start difference. First operand 4238 states and 8401 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:02,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:02,996 INFO L93 Difference]: Finished difference Result 8233 states and 16319 transitions. [2021-11-25 19:02:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:02:02,997 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:02,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:03,007 INFO L225 Difference]: With dead ends: 8233 [2021-11-25 19:02:03,007 INFO L226 Difference]: Without dead ends: 8233 [2021-11-25 19:02:03,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:02:03,008 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 629 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:03,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [629 Valid, 435 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 19:02:03,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8233 states. [2021-11-25 19:02:03,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8233 to 4192. [2021-11-25 19:02:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4192 states, 4115 states have (on average 2.019198055893074) internal successors, (8309), 4191 states have internal predecessors, (8309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 4192 states and 8309 transitions. [2021-11-25 19:02:03,108 INFO L78 Accepts]: Start accepts. Automaton has 4192 states and 8309 transitions. Word has length 11 [2021-11-25 19:02:03,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:03,108 INFO L470 AbstractCegarLoop]: Abstraction has 4192 states and 8309 transitions. [2021-11-25 19:02:03,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 4192 states and 8309 transitions. [2021-11-25 19:02:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:02:03,109 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:03,109 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:03,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 19:02:03,109 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:03,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:03,110 INFO L85 PathProgramCache]: Analyzing trace with hash -93139977, now seen corresponding path program 7 times [2021-11-25 19:02:03,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:03,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527967397] [2021-11-25 19:02:03,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:03,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:03,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:03,281 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:03,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527967397] [2021-11-25 19:02:03,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527967397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:03,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:03,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:03,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736460656] [2021-11-25 19:02:03,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:03,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:03,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:03,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:03,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:03,283 INFO L87 Difference]: Start difference. First operand 4192 states and 8309 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:04,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:04,568 INFO L93 Difference]: Finished difference Result 8356 states and 16565 transitions. [2021-11-25 19:02:04,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:04,568 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:04,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:04,577 INFO L225 Difference]: With dead ends: 8356 [2021-11-25 19:02:04,578 INFO L226 Difference]: Without dead ends: 8356 [2021-11-25 19:02:04,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:04,578 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 402 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:04,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 312 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 19:02:04,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8356 states. [2021-11-25 19:02:04,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8356 to 4193. [2021-11-25 19:02:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 4116 states have (on average 2.0191933916423714) internal successors, (8311), 4192 states have internal predecessors, (8311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8311 transitions. [2021-11-25 19:02:04,678 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8311 transitions. Word has length 11 [2021-11-25 19:02:04,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:04,679 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8311 transitions. [2021-11-25 19:02:04,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8311 transitions. [2021-11-25 19:02:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:02:04,680 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:04,680 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:04,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 19:02:04,680 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:04,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:04,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1837405375, now seen corresponding path program 8 times [2021-11-25 19:02:04,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:04,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596982555] [2021-11-25 19:02:04,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:04,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:04,859 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:04,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596982555] [2021-11-25 19:02:04,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596982555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:04,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:04,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:04,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193535597] [2021-11-25 19:02:04,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:04,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:04,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:04,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:04,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:04,861 INFO L87 Difference]: Start difference. First operand 4193 states and 8311 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:05,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:05,948 INFO L93 Difference]: Finished difference Result 8326 states and 16505 transitions. [2021-11-25 19:02:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:05,955 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:05,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:05,965 INFO L225 Difference]: With dead ends: 8326 [2021-11-25 19:02:05,965 INFO L226 Difference]: Without dead ends: 8326 [2021-11-25 19:02:05,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:05,966 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 422 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:05,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 307 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 19:02:05,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8326 states. [2021-11-25 19:02:06,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8326 to 4194. [2021-11-25 19:02:06,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4194 states, 4117 states have (on average 2.0191887296575177) internal successors, (8313), 4193 states have internal predecessors, (8313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4194 states to 4194 states and 8313 transitions. [2021-11-25 19:02:06,069 INFO L78 Accepts]: Start accepts. Automaton has 4194 states and 8313 transitions. Word has length 11 [2021-11-25 19:02:06,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:06,069 INFO L470 AbstractCegarLoop]: Abstraction has 4194 states and 8313 transitions. [2021-11-25 19:02:06,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4194 states and 8313 transitions. [2021-11-25 19:02:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:02:06,070 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:06,070 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:06,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 19:02:06,071 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:06,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:06,071 INFO L85 PathProgramCache]: Analyzing trace with hash 2092026351, now seen corresponding path program 9 times [2021-11-25 19:02:06,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:06,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082891585] [2021-11-25 19:02:06,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:06,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:06,249 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:06,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082891585] [2021-11-25 19:02:06,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082891585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:06,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:06,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:06,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395124783] [2021-11-25 19:02:06,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:06,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:06,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:06,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:06,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:06,251 INFO L87 Difference]: Start difference. First operand 4194 states and 8313 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:08,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:08,155 INFO L93 Difference]: Finished difference Result 8267 states and 16387 transitions. [2021-11-25 19:02:08,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:02:08,155 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:08,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:08,165 INFO L225 Difference]: With dead ends: 8267 [2021-11-25 19:02:08,165 INFO L226 Difference]: Without dead ends: 8267 [2021-11-25 19:02:08,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:02:08,166 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 452 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 2201 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:08,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [452 Valid, 346 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2201 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:02:08,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8267 states. [2021-11-25 19:02:08,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8267 to 4191. [2021-11-25 19:02:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4191 states, 4114 states have (on average 2.0192027224112787) internal successors, (8307), 4190 states have internal predecessors, (8307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:08,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8307 transitions. [2021-11-25 19:02:08,281 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8307 transitions. Word has length 11 [2021-11-25 19:02:08,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:08,281 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8307 transitions. [2021-11-25 19:02:08,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8307 transitions. [2021-11-25 19:02:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:02:08,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:08,283 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:08,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 19:02:08,283 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:08,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:08,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1105071713, now seen corresponding path program 10 times [2021-11-25 19:02:08,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:08,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654990031] [2021-11-25 19:02:08,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:08,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:08,468 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:08,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654990031] [2021-11-25 19:02:08,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654990031] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:08,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:08,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:08,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545228488] [2021-11-25 19:02:08,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:08,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:08,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:08,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:08,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:08,471 INFO L87 Difference]: Start difference. First operand 4191 states and 8307 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:09,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:09,389 INFO L93 Difference]: Finished difference Result 4292 states and 8509 transitions. [2021-11-25 19:02:09,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:02:09,390 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:09,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:09,395 INFO L225 Difference]: With dead ends: 4292 [2021-11-25 19:02:09,395 INFO L226 Difference]: Without dead ends: 4292 [2021-11-25 19:02:09,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:02:09,396 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 185 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:09,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 144 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 19:02:09,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4292 states. [2021-11-25 19:02:09,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4292 to 4176. [2021-11-25 19:02:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4176 states, 4099 states have (on average 2.0192729934130274) internal successors, (8277), 4175 states have internal predecessors, (8277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 4176 states and 8277 transitions. [2021-11-25 19:02:09,451 INFO L78 Accepts]: Start accepts. Automaton has 4176 states and 8277 transitions. Word has length 11 [2021-11-25 19:02:09,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:09,451 INFO L470 AbstractCegarLoop]: Abstraction has 4176 states and 8277 transitions. [2021-11-25 19:02:09,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 8277 transitions. [2021-11-25 19:02:09,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:02:09,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:09,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:09,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 19:02:09,453 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:09,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:09,453 INFO L85 PathProgramCache]: Analyzing trace with hash -639193685, now seen corresponding path program 11 times [2021-11-25 19:02:09,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:09,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842583223] [2021-11-25 19:02:09,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:09,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:09,633 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:09,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842583223] [2021-11-25 19:02:09,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842583223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:09,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:09,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:09,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8803225] [2021-11-25 19:02:09,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:09,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:09,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:09,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:09,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:09,635 INFO L87 Difference]: Start difference. First operand 4176 states and 8277 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:10,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:10,675 INFO L93 Difference]: Finished difference Result 4328 states and 8581 transitions. [2021-11-25 19:02:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:02:10,676 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:10,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:10,682 INFO L225 Difference]: With dead ends: 4328 [2021-11-25 19:02:10,682 INFO L226 Difference]: Without dead ends: 4328 [2021-11-25 19:02:10,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:02:10,683 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 174 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:10,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 151 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 19:02:10,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4328 states. [2021-11-25 19:02:10,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4328 to 4177. [2021-11-25 19:02:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4100 states have (on average 2.0192682926829266) internal successors, (8279), 4176 states have internal predecessors, (8279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 8279 transitions. [2021-11-25 19:02:10,736 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 8279 transitions. Word has length 11 [2021-11-25 19:02:10,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:10,736 INFO L470 AbstractCegarLoop]: Abstraction has 4177 states and 8279 transitions. [2021-11-25 19:02:10,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:10,736 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 8279 transitions. [2021-11-25 19:02:10,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:02:10,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:10,737 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:10,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 19:02:10,737 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:10,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1004729255, now seen corresponding path program 12 times [2021-11-25 19:02:10,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:10,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836645098] [2021-11-25 19:02:10,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:10,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:10,942 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:10,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836645098] [2021-11-25 19:02:10,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836645098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:10,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:10,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:10,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658840955] [2021-11-25 19:02:10,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:10,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:10,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:10,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:10,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:10,943 INFO L87 Difference]: Start difference. First operand 4177 states and 8279 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:11,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:11,804 INFO L93 Difference]: Finished difference Result 4269 states and 8463 transitions. [2021-11-25 19:02:11,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:11,804 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:11,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:11,809 INFO L225 Difference]: With dead ends: 4269 [2021-11-25 19:02:11,809 INFO L226 Difference]: Without dead ends: 4269 [2021-11-25 19:02:11,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:11,810 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 185 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:11,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 144 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 19:02:11,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4269 states. [2021-11-25 19:02:11,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 4175. [2021-11-25 19:02:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4175 states, 4098 states have (on average 2.0192776964372863) internal successors, (8275), 4174 states have internal predecessors, (8275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:11,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4175 states to 4175 states and 8275 transitions. [2021-11-25 19:02:11,859 INFO L78 Accepts]: Start accepts. Automaton has 4175 states and 8275 transitions. Word has length 11 [2021-11-25 19:02:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:11,859 INFO L470 AbstractCegarLoop]: Abstraction has 4175 states and 8275 transitions. [2021-11-25 19:02:11,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand 4175 states and 8275 transitions. [2021-11-25 19:02:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:02:11,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:11,860 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:11,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 19:02:11,860 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:11,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:11,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1982623001, now seen corresponding path program 13 times [2021-11-25 19:02:11,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:11,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726679641] [2021-11-25 19:02:11,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:11,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:12,044 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:12,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726679641] [2021-11-25 19:02:12,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726679641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:12,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:12,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:12,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353373986] [2021-11-25 19:02:12,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:12,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:12,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:12,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:12,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:12,045 INFO L87 Difference]: Start difference. First operand 4175 states and 8275 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:13,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:13,453 INFO L93 Difference]: Finished difference Result 4261 states and 8447 transitions. [2021-11-25 19:02:13,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:02:13,454 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:13,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:13,458 INFO L225 Difference]: With dead ends: 4261 [2021-11-25 19:02:13,458 INFO L226 Difference]: Without dead ends: 4261 [2021-11-25 19:02:13,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:02:13,459 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 198 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:13,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 163 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:02:13,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2021-11-25 19:02:13,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 4160. [2021-11-25 19:02:13,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4160 states, 4083 states have (on average 2.0193485182463875) internal successors, (8245), 4159 states have internal predecessors, (8245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:13,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 4160 states and 8245 transitions. [2021-11-25 19:02:13,502 INFO L78 Accepts]: Start accepts. Automaton has 4160 states and 8245 transitions. Word has length 11 [2021-11-25 19:02:13,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:13,502 INFO L470 AbstractCegarLoop]: Abstraction has 4160 states and 8245 transitions. [2021-11-25 19:02:13,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:13,502 INFO L276 IsEmpty]: Start isEmpty. Operand 4160 states and 8245 transitions. [2021-11-25 19:02:13,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:02:13,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:13,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:13,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-25 19:02:13,503 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:13,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:13,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1617087431, now seen corresponding path program 14 times [2021-11-25 19:02:13,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:13,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794819684] [2021-11-25 19:02:13,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:13,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:13,678 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:13,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794819684] [2021-11-25 19:02:13,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794819684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:13,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:13,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:13,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854009244] [2021-11-25 19:02:13,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:13,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:13,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:13,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:13,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:13,679 INFO L87 Difference]: Start difference. First operand 4160 states and 8245 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:14,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:14,994 INFO L93 Difference]: Finished difference Result 4251 states and 8427 transitions. [2021-11-25 19:02:14,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:14,995 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:14,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:15,000 INFO L225 Difference]: With dead ends: 4251 [2021-11-25 19:02:15,001 INFO L226 Difference]: Without dead ends: 4251 [2021-11-25 19:02:15,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:02:15,001 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 189 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:15,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 168 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 19:02:15,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4251 states. [2021-11-25 19:02:15,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4251 to 4159. [2021-11-25 19:02:15,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4159 states, 4082 states have (on average 2.0193532582067615) internal successors, (8243), 4158 states have internal predecessors, (8243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4159 states to 4159 states and 8243 transitions. [2021-11-25 19:02:15,048 INFO L78 Accepts]: Start accepts. Automaton has 4159 states and 8243 transitions. Word has length 11 [2021-11-25 19:02:15,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:15,048 INFO L470 AbstractCegarLoop]: Abstraction has 4159 states and 8243 transitions. [2021-11-25 19:02:15,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 4159 states and 8243 transitions. [2021-11-25 19:02:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:02:15,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:15,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:15,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-25 19:02:15,049 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:15,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:15,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1235403167, now seen corresponding path program 15 times [2021-11-25 19:02:15,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:15,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898458610] [2021-11-25 19:02:15,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:15,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:15,242 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:15,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898458610] [2021-11-25 19:02:15,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898458610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:15,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:15,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:15,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729670555] [2021-11-25 19:02:15,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:15,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:15,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:15,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:15,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:15,243 INFO L87 Difference]: Start difference. First operand 4159 states and 8243 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:16,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:16,860 INFO L93 Difference]: Finished difference Result 4201 states and 8327 transitions. [2021-11-25 19:02:16,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:02:16,860 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:02:16,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:16,865 INFO L225 Difference]: With dead ends: 4201 [2021-11-25 19:02:16,865 INFO L226 Difference]: Without dead ends: 4201 [2021-11-25 19:02:16,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:02:16,866 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 236 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:16,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 177 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1818 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:02:16,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4201 states. [2021-11-25 19:02:16,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4201 to 4113. [2021-11-25 19:02:16,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4113 states, 4037 states have (on average 2.019073569482289) internal successors, (8151), 4112 states have internal predecessors, (8151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 8151 transitions. [2021-11-25 19:02:16,918 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 8151 transitions. Word has length 11 [2021-11-25 19:02:16,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:16,919 INFO L470 AbstractCegarLoop]: Abstraction has 4113 states and 8151 transitions. [2021-11-25 19:02:16,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 8151 transitions. [2021-11-25 19:02:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 19:02:16,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:16,920 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:16,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-25 19:02:16,920 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:16,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:16,921 INFO L85 PathProgramCache]: Analyzing trace with hash -813973425, now seen corresponding path program 1 times [2021-11-25 19:02:16,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:16,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697835493] [2021-11-25 19:02:16,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:16,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:17,010 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:17,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697835493] [2021-11-25 19:02:17,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697835493] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:17,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:17,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:02:17,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331473870] [2021-11-25 19:02:17,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:17,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:02:17,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:17,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:02:17,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:02:17,012 INFO L87 Difference]: Start difference. First operand 4113 states and 8151 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:17,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:17,801 INFO L93 Difference]: Finished difference Result 4314 states and 8549 transitions. [2021-11-25 19:02:17,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:02:17,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-25 19:02:17,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:17,808 INFO L225 Difference]: With dead ends: 4314 [2021-11-25 19:02:17,808 INFO L226 Difference]: Without dead ends: 4314 [2021-11-25 19:02:17,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:02:17,809 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 100 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:17,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 108 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 19:02:17,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2021-11-25 19:02:17,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 4314. [2021-11-25 19:02:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4314 states, 4238 states have (on average 2.0172251061821616) internal successors, (8549), 4313 states have internal predecessors, (8549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4314 states to 4314 states and 8549 transitions. [2021-11-25 19:02:17,877 INFO L78 Accepts]: Start accepts. Automaton has 4314 states and 8549 transitions. Word has length 14 [2021-11-25 19:02:17,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:17,878 INFO L470 AbstractCegarLoop]: Abstraction has 4314 states and 8549 transitions. [2021-11-25 19:02:17,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 4314 states and 8549 transitions. [2021-11-25 19:02:17,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 19:02:17,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:17,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:17,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-25 19:02:17,880 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:17,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:17,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1295083854, now seen corresponding path program 1 times [2021-11-25 19:02:17,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:17,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849546556] [2021-11-25 19:02:17,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:17,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:17,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:17,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849546556] [2021-11-25 19:02:17,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849546556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:17,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:17,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:02:17,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615755776] [2021-11-25 19:02:17,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:17,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:02:17,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:17,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:02:17,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:02:17,993 INFO L87 Difference]: Start difference. First operand 4314 states and 8549 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:18,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:18,751 INFO L93 Difference]: Finished difference Result 4575 states and 9071 transitions. [2021-11-25 19:02:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:02:18,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-25 19:02:18,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:18,757 INFO L225 Difference]: With dead ends: 4575 [2021-11-25 19:02:18,757 INFO L226 Difference]: Without dead ends: 4575 [2021-11-25 19:02:18,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:02:18,758 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 128 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:18,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 111 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 19:02:18,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2021-11-25 19:02:18,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4575. [2021-11-25 19:02:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4575 states, 4499 states have (on average 2.0162258279617693) internal successors, (9071), 4574 states have internal predecessors, (9071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 9071 transitions. [2021-11-25 19:02:18,822 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 9071 transitions. Word has length 15 [2021-11-25 19:02:18,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:18,822 INFO L470 AbstractCegarLoop]: Abstraction has 4575 states and 9071 transitions. [2021-11-25 19:02:18,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 9071 transitions. [2021-11-25 19:02:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:18,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:18,824 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:18,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-25 19:02:18,824 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:18,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:18,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1809149446, now seen corresponding path program 1 times [2021-11-25 19:02:18,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:18,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452412599] [2021-11-25 19:02:18,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:18,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:18,995 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:18,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452412599] [2021-11-25 19:02:18,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452412599] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:18,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:18,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:18,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060899235] [2021-11-25 19:02:18,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:18,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:18,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:18,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:18,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:18,999 INFO L87 Difference]: Start difference. First operand 4575 states and 9071 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:20,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:20,807 INFO L93 Difference]: Finished difference Result 9084 states and 17962 transitions. [2021-11-25 19:02:20,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 19:02:20,808 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:20,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:20,819 INFO L225 Difference]: With dead ends: 9084 [2021-11-25 19:02:20,819 INFO L226 Difference]: Without dead ends: 9084 [2021-11-25 19:02:20,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:20,820 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 619 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 2073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:20,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [619 Valid, 605 Invalid, 2073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2015 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:02:20,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9084 states. [2021-11-25 19:02:20,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9084 to 4719. [2021-11-25 19:02:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4719 states, 4643 states have (on average 2.01572259315098) internal successors, (9359), 4718 states have internal predecessors, (9359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:20,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4719 states to 4719 states and 9359 transitions. [2021-11-25 19:02:20,942 INFO L78 Accepts]: Start accepts. Automaton has 4719 states and 9359 transitions. Word has length 17 [2021-11-25 19:02:20,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:20,943 INFO L470 AbstractCegarLoop]: Abstraction has 4719 states and 9359 transitions. [2021-11-25 19:02:20,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 4719 states and 9359 transitions. [2021-11-25 19:02:20,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:20,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:20,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:20,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-25 19:02:20,944 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:20,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:20,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1395305543, now seen corresponding path program 1 times [2021-11-25 19:02:20,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:20,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897476561] [2021-11-25 19:02:20,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:20,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:21,118 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:21,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897476561] [2021-11-25 19:02:21,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897476561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:21,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:21,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:21,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128897909] [2021-11-25 19:02:21,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:21,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:21,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:21,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:21,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:21,120 INFO L87 Difference]: Start difference. First operand 4719 states and 9359 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:22,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:22,529 INFO L93 Difference]: Finished difference Result 9012 states and 17818 transitions. [2021-11-25 19:02:22,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:22,529 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:22,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:22,545 INFO L225 Difference]: With dead ends: 9012 [2021-11-25 19:02:22,545 INFO L226 Difference]: Without dead ends: 9012 [2021-11-25 19:02:22,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:22,546 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 584 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:22,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [584 Valid, 584 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:02:22,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9012 states. [2021-11-25 19:02:22,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9012 to 4729. [2021-11-25 19:02:22,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-25 19:02:22,618 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-25 19:02:22,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:22,618 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-25 19:02:22,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-25 19:02:22,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:22,619 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:22,619 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:22,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-25 19:02:22,620 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:22,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:22,620 INFO L85 PathProgramCache]: Analyzing trace with hash 965163320, now seen corresponding path program 2 times [2021-11-25 19:02:22,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:22,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148238999] [2021-11-25 19:02:22,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:22,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:22,808 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:22,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148238999] [2021-11-25 19:02:22,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148238999] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:22,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:22,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:22,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909386240] [2021-11-25 19:02:22,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:22,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:22,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:22,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:22,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:22,810 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:24,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:24,788 INFO L93 Difference]: Finished difference Result 4846 states and 9561 transitions. [2021-11-25 19:02:24,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:24,788 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:24,793 INFO L225 Difference]: With dead ends: 4846 [2021-11-25 19:02:24,794 INFO L226 Difference]: Without dead ends: 4846 [2021-11-25 19:02:24,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:24,794 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 358 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 2238 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:24,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 464 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2238 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 19:02:24,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2021-11-25 19:02:24,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4729. [2021-11-25 19:02:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-25 19:02:24,850 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-25 19:02:24,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:24,850 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-25 19:02:24,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-25 19:02:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:24,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:24,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:24,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-25 19:02:24,852 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:24,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:24,853 INFO L85 PathProgramCache]: Analyzing trace with hash 971678900, now seen corresponding path program 3 times [2021-11-25 19:02:24,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:24,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655908527] [2021-11-25 19:02:24,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:24,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:25,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:25,037 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:25,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655908527] [2021-11-25 19:02:25,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655908527] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:25,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:25,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:25,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129940031] [2021-11-25 19:02:25,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:25,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:25,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:25,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:25,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:25,039 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:26,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:26,799 INFO L93 Difference]: Finished difference Result 4874 states and 9617 transitions. [2021-11-25 19:02:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:02:26,800 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:26,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:26,805 INFO L225 Difference]: With dead ends: 4874 [2021-11-25 19:02:26,805 INFO L226 Difference]: Without dead ends: 4874 [2021-11-25 19:02:26,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:02:26,806 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 363 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:26,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 453 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1950 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 19:02:26,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4874 states. [2021-11-25 19:02:26,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4874 to 4729. [2021-11-25 19:02:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-25 19:02:26,912 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-25 19:02:26,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:26,912 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-25 19:02:26,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-25 19:02:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:26,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:26,914 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:26,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-25 19:02:26,914 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:26,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:26,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1174555610, now seen corresponding path program 4 times [2021-11-25 19:02:26,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:26,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302199190] [2021-11-25 19:02:26,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:26,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:27,109 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:27,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302199190] [2021-11-25 19:02:27,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302199190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:27,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:27,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:27,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823225046] [2021-11-25 19:02:27,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:27,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:27,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:27,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:27,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:27,111 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:28,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:28,908 INFO L93 Difference]: Finished difference Result 4901 states and 9672 transitions. [2021-11-25 19:02:28,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:02:28,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:28,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:28,913 INFO L225 Difference]: With dead ends: 4901 [2021-11-25 19:02:28,913 INFO L226 Difference]: Without dead ends: 4901 [2021-11-25 19:02:28,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:28,914 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 308 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:28,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 457 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2136 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:02:28,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4901 states. [2021-11-25 19:02:28,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4901 to 4729. [2021-11-25 19:02:28,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4653 states have (on average 2.0156888029228455) internal successors, (9379), 4728 states have internal predecessors, (9379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-25 19:02:28,967 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-25 19:02:28,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:28,967 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-25 19:02:28,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-25 19:02:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:28,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:28,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:28,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-25 19:02:28,969 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:28,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:28,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1098495342, now seen corresponding path program 5 times [2021-11-25 19:02:28,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:28,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508222054] [2021-11-25 19:02:28,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:28,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:29,140 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:29,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508222054] [2021-11-25 19:02:29,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508222054] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:29,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:29,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:29,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163525133] [2021-11-25 19:02:29,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:29,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:29,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:29,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:29,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:29,142 INFO L87 Difference]: Start difference. First operand 4729 states and 9379 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:30,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:30,730 INFO L93 Difference]: Finished difference Result 4896 states and 9662 transitions. [2021-11-25 19:02:30,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:02:30,731 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:30,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:30,737 INFO L225 Difference]: With dead ends: 4896 [2021-11-25 19:02:30,737 INFO L226 Difference]: Without dead ends: 4896 [2021-11-25 19:02:30,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:30,738 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 283 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 1927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:30,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 445 Invalid, 1927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:02:30,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4896 states. [2021-11-25 19:02:30,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4896 to 4696. [2021-11-25 19:02:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4696 states, 4620 states have (on average 2.0158008658008657) internal successors, (9313), 4695 states have internal predecessors, (9313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 9313 transitions. [2021-11-25 19:02:30,796 INFO L78 Accepts]: Start accepts. Automaton has 4696 states and 9313 transitions. Word has length 17 [2021-11-25 19:02:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:30,796 INFO L470 AbstractCegarLoop]: Abstraction has 4696 states and 9313 transitions. [2021-11-25 19:02:30,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 9313 transitions. [2021-11-25 19:02:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:30,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:30,798 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:30,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-25 19:02:30,798 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:30,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:30,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1068972720, now seen corresponding path program 6 times [2021-11-25 19:02:30,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:30,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003746521] [2021-11-25 19:02:30,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:30,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:30,965 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:30,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003746521] [2021-11-25 19:02:30,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003746521] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:30,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:30,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:30,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830416422] [2021-11-25 19:02:30,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:30,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:30,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:30,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:30,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:30,966 INFO L87 Difference]: Start difference. First operand 4696 states and 9313 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:32,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:32,779 INFO L93 Difference]: Finished difference Result 13311 states and 26340 transitions. [2021-11-25 19:02:32,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 19:02:32,779 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:32,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:32,796 INFO L225 Difference]: With dead ends: 13311 [2021-11-25 19:02:32,796 INFO L226 Difference]: Without dead ends: 13311 [2021-11-25 19:02:32,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-11-25 19:02:32,797 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 637 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:32,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [637 Valid, 664 Invalid, 1862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 19:02:32,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13311 states. [2021-11-25 19:02:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13311 to 4839. [2021-11-25 19:02:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4839 states, 4763 states have (on average 2.0153264749107707) internal successors, (9599), 4838 states have internal predecessors, (9599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:32,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4839 states to 4839 states and 9599 transitions. [2021-11-25 19:02:32,923 INFO L78 Accepts]: Start accepts. Automaton has 4839 states and 9599 transitions. Word has length 17 [2021-11-25 19:02:32,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:32,923 INFO L470 AbstractCegarLoop]: Abstraction has 4839 states and 9599 transitions. [2021-11-25 19:02:32,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 4839 states and 9599 transitions. [2021-11-25 19:02:32,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:32,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:32,924 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:32,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-25 19:02:32,924 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:32,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:32,925 INFO L85 PathProgramCache]: Analyzing trace with hash -655128817, now seen corresponding path program 2 times [2021-11-25 19:02:32,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:32,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30431415] [2021-11-25 19:02:32,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:32,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:33,086 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:33,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30431415] [2021-11-25 19:02:33,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30431415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:33,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:33,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:33,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425078155] [2021-11-25 19:02:33,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:33,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:33,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:33,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:33,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:33,088 INFO L87 Difference]: Start difference. First operand 4839 states and 9599 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:34,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:34,583 INFO L93 Difference]: Finished difference Result 13312 states and 26342 transitions. [2021-11-25 19:02:34,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:02:34,583 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:34,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:34,600 INFO L225 Difference]: With dead ends: 13312 [2021-11-25 19:02:34,600 INFO L226 Difference]: Without dead ends: 13312 [2021-11-25 19:02:34,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:02:34,601 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 611 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:34,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [611 Valid, 657 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:02:34,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13312 states. [2021-11-25 19:02:34,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13312 to 4739. [2021-11-25 19:02:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4739 states, 4663 states have (on average 2.0156551576238475) internal successors, (9399), 4738 states have internal predecessors, (9399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4739 states to 4739 states and 9399 transitions. [2021-11-25 19:02:34,689 INFO L78 Accepts]: Start accepts. Automaton has 4739 states and 9399 transitions. Word has length 17 [2021-11-25 19:02:34,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:34,690 INFO L470 AbstractCegarLoop]: Abstraction has 4739 states and 9399 transitions. [2021-11-25 19:02:34,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:34,690 INFO L276 IsEmpty]: Start isEmpty. Operand 4739 states and 9399 transitions. [2021-11-25 19:02:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:34,691 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:34,691 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:34,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-25 19:02:34,691 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:34,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:34,691 INFO L85 PathProgramCache]: Analyzing trace with hash 458703765, now seen corresponding path program 3 times [2021-11-25 19:02:34,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:34,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301962406] [2021-11-25 19:02:34,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:34,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:34,856 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:34,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301962406] [2021-11-25 19:02:34,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301962406] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:34,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:34,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:34,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716787524] [2021-11-25 19:02:34,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:34,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:34,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:34,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:34,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:34,858 INFO L87 Difference]: Start difference. First operand 4739 states and 9399 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:36,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:36,148 INFO L93 Difference]: Finished difference Result 9104 states and 18002 transitions. [2021-11-25 19:02:36,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:36,148 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:36,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:36,159 INFO L225 Difference]: With dead ends: 9104 [2021-11-25 19:02:36,160 INFO L226 Difference]: Without dead ends: 9104 [2021-11-25 19:02:36,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:36,162 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 399 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:36,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 413 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 19:02:36,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9104 states. [2021-11-25 19:02:36,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9104 to 4728. [2021-11-25 19:02:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4728 states, 4652 states have (on average 2.0156921754084265) internal successors, (9377), 4727 states have internal predecessors, (9377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:36,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4728 states to 4728 states and 9377 transitions. [2021-11-25 19:02:36,244 INFO L78 Accepts]: Start accepts. Automaton has 4728 states and 9377 transitions. Word has length 17 [2021-11-25 19:02:36,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:36,245 INFO L470 AbstractCegarLoop]: Abstraction has 4728 states and 9377 transitions. [2021-11-25 19:02:36,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:36,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4728 states and 9377 transitions. [2021-11-25 19:02:36,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:36,245 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:36,246 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:36,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-25 19:02:36,246 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:36,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:36,246 INFO L85 PathProgramCache]: Analyzing trace with hash -205042063, now seen corresponding path program 4 times [2021-11-25 19:02:36,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:36,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207774338] [2021-11-25 19:02:36,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:36,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:36,407 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:36,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207774338] [2021-11-25 19:02:36,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207774338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:36,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:36,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:36,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793093966] [2021-11-25 19:02:36,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:36,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:36,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:36,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:36,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:36,408 INFO L87 Difference]: Start difference. First operand 4728 states and 9377 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:37,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:37,926 INFO L93 Difference]: Finished difference Result 9076 states and 17946 transitions. [2021-11-25 19:02:37,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:37,927 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:37,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:37,938 INFO L225 Difference]: With dead ends: 9076 [2021-11-25 19:02:37,938 INFO L226 Difference]: Without dead ends: 9076 [2021-11-25 19:02:37,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:37,939 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 418 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:37,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 423 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:02:37,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9076 states. [2021-11-25 19:02:38,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9076 to 4717. [2021-11-25 19:02:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4717 states, 4641 states have (on average 2.015729368670545) internal successors, (9355), 4716 states have internal predecessors, (9355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4717 states to 4717 states and 9355 transitions. [2021-11-25 19:02:38,014 INFO L78 Accepts]: Start accepts. Automaton has 4717 states and 9355 transitions. Word has length 17 [2021-11-25 19:02:38,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:38,014 INFO L470 AbstractCegarLoop]: Abstraction has 4717 states and 9355 transitions. [2021-11-25 19:02:38,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 4717 states and 9355 transitions. [2021-11-25 19:02:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:38,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:38,015 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:38,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-25 19:02:38,015 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:38,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:38,015 INFO L85 PathProgramCache]: Analyzing trace with hash -603645643, now seen corresponding path program 5 times [2021-11-25 19:02:38,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:38,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055666335] [2021-11-25 19:02:38,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:38,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:38,234 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:38,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055666335] [2021-11-25 19:02:38,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055666335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:38,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:38,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:38,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435016703] [2021-11-25 19:02:38,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:38,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:38,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:38,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:38,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:38,236 INFO L87 Difference]: Start difference. First operand 4717 states and 9355 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:40,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:40,409 INFO L93 Difference]: Finished difference Result 9021 states and 17836 transitions. [2021-11-25 19:02:40,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:02:40,410 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:40,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:40,420 INFO L225 Difference]: With dead ends: 9021 [2021-11-25 19:02:40,421 INFO L226 Difference]: Without dead ends: 9021 [2021-11-25 19:02:40,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:02:40,421 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 449 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 2369 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 2409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:40,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 447 Invalid, 2409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2369 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 19:02:40,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2021-11-25 19:02:40,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 4707. [2021-11-25 19:02:40,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4707 states, 4631 states have (on average 2.0157633340531205) internal successors, (9335), 4706 states have internal predecessors, (9335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:40,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 9335 transitions. [2021-11-25 19:02:40,492 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 9335 transitions. Word has length 17 [2021-11-25 19:02:40,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:40,492 INFO L470 AbstractCegarLoop]: Abstraction has 4707 states and 9335 transitions. [2021-11-25 19:02:40,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:40,492 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 9335 transitions. [2021-11-25 19:02:40,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:40,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:40,493 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:40,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-25 19:02:40,493 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:40,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:40,494 INFO L85 PathProgramCache]: Analyzing trace with hash 939162162, now seen corresponding path program 7 times [2021-11-25 19:02:40,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:40,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464273275] [2021-11-25 19:02:40,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:40,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:40,648 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:40,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464273275] [2021-11-25 19:02:40,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464273275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:40,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:40,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:40,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301669135] [2021-11-25 19:02:40,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:40,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:40,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:40,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:40,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:40,650 INFO L87 Difference]: Start difference. First operand 4707 states and 9335 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:42,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:42,151 INFO L93 Difference]: Finished difference Result 8874 states and 17593 transitions. [2021-11-25 19:02:42,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:02:42,151 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:42,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:42,162 INFO L225 Difference]: With dead ends: 8874 [2021-11-25 19:02:42,162 INFO L226 Difference]: Without dead ends: 8874 [2021-11-25 19:02:42,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-11-25 19:02:42,162 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 647 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:42,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [647 Valid, 454 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:02:42,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8874 states. [2021-11-25 19:02:42,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8874 to 4623. [2021-11-25 19:02:42,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4623 states, 4548 states have (on average 2.0156112576956904) internal successors, (9167), 4622 states have internal predecessors, (9167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4623 states to 4623 states and 9167 transitions. [2021-11-25 19:02:42,231 INFO L78 Accepts]: Start accepts. Automaton has 4623 states and 9167 transitions. Word has length 17 [2021-11-25 19:02:42,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:42,231 INFO L470 AbstractCegarLoop]: Abstraction has 4623 states and 9167 transitions. [2021-11-25 19:02:42,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4623 states and 9167 transitions. [2021-11-25 19:02:42,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:42,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:42,232 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:42,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-25 19:02:42,232 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:42,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:42,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1353006065, now seen corresponding path program 6 times [2021-11-25 19:02:42,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:42,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970628759] [2021-11-25 19:02:42,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:42,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:42,399 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:42,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970628759] [2021-11-25 19:02:42,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970628759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:42,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:42,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:42,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138439038] [2021-11-25 19:02:42,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:42,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:42,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:42,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:42,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:42,400 INFO L87 Difference]: Start difference. First operand 4623 states and 9167 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:43,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:43,767 INFO L93 Difference]: Finished difference Result 8874 states and 17593 transitions. [2021-11-25 19:02:43,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:02:43,768 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:43,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:43,778 INFO L225 Difference]: With dead ends: 8874 [2021-11-25 19:02:43,778 INFO L226 Difference]: Without dead ends: 8874 [2021-11-25 19:02:43,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:02:43,779 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 595 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:43,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [595 Valid, 446 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 19:02:43,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8874 states. [2021-11-25 19:02:43,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8874 to 4517. [2021-11-25 19:02:43,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4517 states, 4442 states have (on average 2.015983791085097) internal successors, (8955), 4516 states have internal predecessors, (8955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:43,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 8955 transitions. [2021-11-25 19:02:43,846 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 8955 transitions. Word has length 17 [2021-11-25 19:02:43,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:43,846 INFO L470 AbstractCegarLoop]: Abstraction has 4517 states and 8955 transitions. [2021-11-25 19:02:43,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:43,846 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 8955 transitions. [2021-11-25 19:02:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:43,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:43,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:43,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-25 19:02:43,847 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:43,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:43,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1828128649, now seen corresponding path program 7 times [2021-11-25 19:02:43,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:43,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932307807] [2021-11-25 19:02:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:43,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:44,033 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:44,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932307807] [2021-11-25 19:02:44,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932307807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:44,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:44,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:44,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676662417] [2021-11-25 19:02:44,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:44,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:44,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:44,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:44,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:44,034 INFO L87 Difference]: Start difference. First operand 4517 states and 8955 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:45,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:45,298 INFO L93 Difference]: Finished difference Result 8989 states and 17823 transitions. [2021-11-25 19:02:45,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:45,298 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:45,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:45,310 INFO L225 Difference]: With dead ends: 8989 [2021-11-25 19:02:45,310 INFO L226 Difference]: Without dead ends: 8989 [2021-11-25 19:02:45,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:45,310 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 384 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:45,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 313 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 19:02:45,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8989 states. [2021-11-25 19:02:45,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8989 to 4518. [2021-11-25 19:02:45,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4518 states, 4443 states have (on average 2.015980193562908) internal successors, (8957), 4517 states have internal predecessors, (8957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 8957 transitions. [2021-11-25 19:02:45,385 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 8957 transitions. Word has length 17 [2021-11-25 19:02:45,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:45,386 INFO L470 AbstractCegarLoop]: Abstraction has 4518 states and 8957 transitions. [2021-11-25 19:02:45,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 8957 transitions. [2021-11-25 19:02:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:45,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:45,386 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:45,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-25 19:02:45,386 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:45,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:45,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1803092819, now seen corresponding path program 8 times [2021-11-25 19:02:45,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:45,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129710976] [2021-11-25 19:02:45,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:45,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:45,563 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:45,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129710976] [2021-11-25 19:02:45,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129710976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:45,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:45,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:45,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181680802] [2021-11-25 19:02:45,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:45,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:45,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:45,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:45,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:45,565 INFO L87 Difference]: Start difference. First operand 4518 states and 8957 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:47,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:47,149 INFO L93 Difference]: Finished difference Result 8961 states and 17767 transitions. [2021-11-25 19:02:47,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:47,150 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:47,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:47,159 INFO L225 Difference]: With dead ends: 8961 [2021-11-25 19:02:47,159 INFO L226 Difference]: Without dead ends: 8961 [2021-11-25 19:02:47,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:47,160 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 407 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:47,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 331 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:02:47,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8961 states. [2021-11-25 19:02:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 4519. [2021-11-25 19:02:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4519 states, 4444 states have (on average 2.015976597659766) internal successors, (8959), 4518 states have internal predecessors, (8959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:47,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 8959 transitions. [2021-11-25 19:02:47,228 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 8959 transitions. Word has length 17 [2021-11-25 19:02:47,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:47,228 INFO L470 AbstractCegarLoop]: Abstraction has 4519 states and 8959 transitions. [2021-11-25 19:02:47,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:47,228 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 8959 transitions. [2021-11-25 19:02:47,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:47,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:47,229 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:47,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-25 19:02:47,229 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:47,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:47,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1404489239, now seen corresponding path program 9 times [2021-11-25 19:02:47,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:47,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019972376] [2021-11-25 19:02:47,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:47,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:47,398 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:47,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019972376] [2021-11-25 19:02:47,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019972376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:47,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:47,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:47,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187549183] [2021-11-25 19:02:47,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:47,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:47,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:47,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:47,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:47,399 INFO L87 Difference]: Start difference. First operand 4519 states and 8959 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:49,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:49,018 INFO L93 Difference]: Finished difference Result 8906 states and 17657 transitions. [2021-11-25 19:02:49,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:02:49,019 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:49,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:49,028 INFO L225 Difference]: With dead ends: 8906 [2021-11-25 19:02:49,029 INFO L226 Difference]: Without dead ends: 8906 [2021-11-25 19:02:49,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:02:49,030 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 440 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 1850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:49,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [440 Valid, 333 Invalid, 1850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 19:02:49,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8906 states. [2021-11-25 19:02:49,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8906 to 4510. [2021-11-25 19:02:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 4435 states have (on average 2.016009019165727) internal successors, (8941), 4509 states have internal predecessors, (8941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2021-11-25 19:02:49,097 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2021-11-25 19:02:49,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:49,097 INFO L470 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2021-11-25 19:02:49,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2021-11-25 19:02:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:49,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:49,098 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:49,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-25 19:02:49,098 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:49,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:49,099 INFO L85 PathProgramCache]: Analyzing trace with hash 731428921, now seen corresponding path program 10 times [2021-11-25 19:02:49,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:49,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459588403] [2021-11-25 19:02:49,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:49,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:49,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:49,291 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:49,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459588403] [2021-11-25 19:02:49,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459588403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:49,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:49,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:49,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909574638] [2021-11-25 19:02:49,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:49,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:49,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:49,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:49,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:49,293 INFO L87 Difference]: Start difference. First operand 4510 states and 8941 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:51,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:51,241 INFO L93 Difference]: Finished difference Result 4592 states and 9105 transitions. [2021-11-25 19:02:51,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:02:51,241 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:51,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:51,245 INFO L225 Difference]: With dead ends: 4592 [2021-11-25 19:02:51,245 INFO L226 Difference]: Without dead ends: 4592 [2021-11-25 19:02:51,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:02:51,246 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 223 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2113 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 2169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:51,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 188 Invalid, 2169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2113 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 19:02:51,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4592 states. [2021-11-25 19:02:51,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4592 to 4510. [2021-11-25 19:02:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 4435 states have (on average 2.016009019165727) internal successors, (8941), 4509 states have internal predecessors, (8941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:51,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2021-11-25 19:02:51,291 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2021-11-25 19:02:51,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:51,292 INFO L470 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2021-11-25 19:02:51,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:51,292 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2021-11-25 19:02:51,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:51,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:51,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:51,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-25 19:02:51,293 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:51,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:51,294 INFO L85 PathProgramCache]: Analyzing trace with hash 712664113, now seen corresponding path program 11 times [2021-11-25 19:02:51,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:51,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096143941] [2021-11-25 19:02:51,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:51,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:51,450 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:51,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096143941] [2021-11-25 19:02:51,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096143941] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:51,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:51,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:51,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081594168] [2021-11-25 19:02:51,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:51,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:51,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:51,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:51,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:51,451 INFO L87 Difference]: Start difference. First operand 4510 states and 8941 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:52,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:52,642 INFO L93 Difference]: Finished difference Result 4678 states and 9277 transitions. [2021-11-25 19:02:52,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:02:52,643 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:52,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:52,650 INFO L225 Difference]: With dead ends: 4678 [2021-11-25 19:02:52,650 INFO L226 Difference]: Without dead ends: 4678 [2021-11-25 19:02:52,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:02:52,651 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 187 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:52,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 163 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 19:02:52,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2021-11-25 19:02:52,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 4511. [2021-11-25 19:02:52,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4511 states, 4436 states have (on average 2.016005410279531) internal successors, (8943), 4510 states have internal predecessors, (8943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:52,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4511 states and 8943 transitions. [2021-11-25 19:02:52,696 INFO L78 Accepts]: Start accepts. Automaton has 4511 states and 8943 transitions. Word has length 17 [2021-11-25 19:02:52,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:52,696 INFO L470 AbstractCegarLoop]: Abstraction has 4511 states and 8943 transitions. [2021-11-25 19:02:52,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 4511 states and 8943 transitions. [2021-11-25 19:02:52,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:52,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:52,697 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:52,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-25 19:02:52,697 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:52,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:52,697 INFO L85 PathProgramCache]: Analyzing trace with hash 314060533, now seen corresponding path program 12 times [2021-11-25 19:02:52,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:52,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677898676] [2021-11-25 19:02:52,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:52,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:52,870 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:52,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677898676] [2021-11-25 19:02:52,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677898676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:52,871 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:52,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:52,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095390474] [2021-11-25 19:02:52,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:52,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:52,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:52,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:52,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:52,872 INFO L87 Difference]: Start difference. First operand 4511 states and 8943 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:54,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:54,203 INFO L93 Difference]: Finished difference Result 4600 states and 9121 transitions. [2021-11-25 19:02:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:54,203 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:54,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:54,208 INFO L225 Difference]: With dead ends: 4600 [2021-11-25 19:02:54,208 INFO L226 Difference]: Without dead ends: 4600 [2021-11-25 19:02:54,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:02:54,209 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 183 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:54,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 168 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 19:02:54,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4600 states. [2021-11-25 19:02:54,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4600 to 4510. [2021-11-25 19:02:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 4435 states have (on average 2.016009019165727) internal successors, (8941), 4509 states have internal predecessors, (8941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:54,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2021-11-25 19:02:54,282 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2021-11-25 19:02:54,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:54,282 INFO L470 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2021-11-25 19:02:54,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2021-11-25 19:02:54,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:54,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:54,283 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:54,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-25 19:02:54,283 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:54,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:54,283 INFO L85 PathProgramCache]: Analyzing trace with hash -381775047, now seen corresponding path program 13 times [2021-11-25 19:02:54,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:54,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30480449] [2021-11-25 19:02:54,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:54,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:54,456 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:54,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30480449] [2021-11-25 19:02:54,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30480449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:54,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:54,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:54,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870059491] [2021-11-25 19:02:54,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:54,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:54,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:54,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:54,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:54,458 INFO L87 Difference]: Start difference. First operand 4510 states and 8941 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:55,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:55,531 INFO L93 Difference]: Finished difference Result 4649 states and 9219 transitions. [2021-11-25 19:02:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:02:55,532 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:55,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:55,537 INFO L225 Difference]: With dead ends: 4649 [2021-11-25 19:02:55,537 INFO L226 Difference]: Without dead ends: 4649 [2021-11-25 19:02:55,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:02:55,538 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 172 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:55,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 151 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 19:02:55,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2021-11-25 19:02:55,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4496. [2021-11-25 19:02:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4496 states, 4421 states have (on average 2.016059714996607) internal successors, (8913), 4495 states have internal predecessors, (8913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4496 states and 8913 transitions. [2021-11-25 19:02:55,588 INFO L78 Accepts]: Start accepts. Automaton has 4496 states and 8913 transitions. Word has length 17 [2021-11-25 19:02:55,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:55,588 INFO L470 AbstractCegarLoop]: Abstraction has 4496 states and 8913 transitions. [2021-11-25 19:02:55,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:55,589 INFO L276 IsEmpty]: Start isEmpty. Operand 4496 states and 8913 transitions. [2021-11-25 19:02:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:55,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:55,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:55,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-25 19:02:55,589 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:55,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:55,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1045520875, now seen corresponding path program 14 times [2021-11-25 19:02:55,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:55,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667531416] [2021-11-25 19:02:55,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:55,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:55,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:55,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:55,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667531416] [2021-11-25 19:02:55,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667531416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:55,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:55,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:55,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587080596] [2021-11-25 19:02:55,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:55,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:55,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:55,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:55,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:55,758 INFO L87 Difference]: Start difference. First operand 4496 states and 8913 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:56,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:56,687 INFO L93 Difference]: Finished difference Result 4586 states and 9093 transitions. [2021-11-25 19:02:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:02:56,688 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:56,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:56,692 INFO L225 Difference]: With dead ends: 4586 [2021-11-25 19:02:56,692 INFO L226 Difference]: Without dead ends: 4586 [2021-11-25 19:02:56,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:02:56,693 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 175 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:56,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 144 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 19:02:56,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4586 states. [2021-11-25 19:02:56,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4586 to 4482. [2021-11-25 19:02:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4482 states, 4407 states have (on average 2.016110732924892) internal successors, (8885), 4481 states have internal predecessors, (8885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:56,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4482 states to 4482 states and 8885 transitions. [2021-11-25 19:02:56,741 INFO L78 Accepts]: Start accepts. Automaton has 4482 states and 8885 transitions. Word has length 17 [2021-11-25 19:02:56,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:56,741 INFO L470 AbstractCegarLoop]: Abstraction has 4482 states and 8885 transitions. [2021-11-25 19:02:56,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:56,741 INFO L276 IsEmpty]: Start isEmpty. Operand 4482 states and 8885 transitions. [2021-11-25 19:02:56,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:02:56,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:56,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:56,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-25 19:02:56,742 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:56,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:56,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1444124455, now seen corresponding path program 15 times [2021-11-25 19:02:56,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:56,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056906365] [2021-11-25 19:02:56,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:56,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:56,917 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:56,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056906365] [2021-11-25 19:02:56,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056906365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:56,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:56,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:02:56,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31416454] [2021-11-25 19:02:56,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:56,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:02:56,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:56,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:02:56,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:02:56,918 INFO L87 Difference]: Start difference. First operand 4482 states and 8885 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:58,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:58,430 INFO L93 Difference]: Finished difference Result 4531 states and 8983 transitions. [2021-11-25 19:02:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:02:58,430 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-25 19:02:58,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:58,434 INFO L225 Difference]: With dead ends: 4531 [2021-11-25 19:02:58,434 INFO L226 Difference]: Without dead ends: 4531 [2021-11-25 19:02:58,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:02:58,435 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 156 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:58,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 165 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:02:58,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4531 states. [2021-11-25 19:02:58,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4531 to 4437. [2021-11-25 19:02:58,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4437 states, 4362 states have (on average 2.0162769371847777) internal successors, (8795), 4436 states have internal predecessors, (8795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:58,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 8795 transitions. [2021-11-25 19:02:58,482 INFO L78 Accepts]: Start accepts. Automaton has 4437 states and 8795 transitions. Word has length 17 [2021-11-25 19:02:58,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:58,482 INFO L470 AbstractCegarLoop]: Abstraction has 4437 states and 8795 transitions. [2021-11-25 19:02:58,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:58,482 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 8795 transitions. [2021-11-25 19:02:58,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 19:02:58,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:58,483 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:58,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-25 19:02:58,484 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:58,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:58,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1427672357, now seen corresponding path program 1 times [2021-11-25 19:02:58,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:58,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181292154] [2021-11-25 19:02:58,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:58,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:58,568 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:58,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181292154] [2021-11-25 19:02:58,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181292154] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:58,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:58,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:02:58,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074685409] [2021-11-25 19:02:58,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:58,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:02:58,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:58,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:02:58,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:02:58,570 INFO L87 Difference]: Start difference. First operand 4437 states and 8795 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:59,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:59,095 INFO L93 Difference]: Finished difference Result 4756 states and 9427 transitions. [2021-11-25 19:02:59,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:02:59,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-25 19:02:59,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:59,101 INFO L225 Difference]: With dead ends: 4756 [2021-11-25 19:02:59,101 INFO L226 Difference]: Without dead ends: 4756 [2021-11-25 19:02:59,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:02:59,105 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 112 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:59,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 101 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 19:02:59,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2021-11-25 19:02:59,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4640. [2021-11-25 19:02:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4640 states, 4565 states have (on average 2.0146768893756843) internal successors, (9197), 4639 states have internal predecessors, (9197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:59,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 9197 transitions. [2021-11-25 19:02:59,156 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 9197 transitions. Word has length 21 [2021-11-25 19:02:59,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:59,157 INFO L470 AbstractCegarLoop]: Abstraction has 4640 states and 9197 transitions. [2021-11-25 19:02:59,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:02:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 9197 transitions. [2021-11-25 19:02:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 19:02:59,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:59,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:59,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-25 19:02:59,158 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:02:59,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:59,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1101135392, now seen corresponding path program 1 times [2021-11-25 19:02:59,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:59,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074191179] [2021-11-25 19:02:59,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:59,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:59,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:02:59,246 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:59,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074191179] [2021-11-25 19:02:59,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074191179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:59,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:59,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:02:59,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991938875] [2021-11-25 19:02:59,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:59,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:02:59,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:59,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:02:59,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:02:59,248 INFO L87 Difference]: Start difference. First operand 4640 states and 9197 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:00,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:00,186 INFO L93 Difference]: Finished difference Result 5039 states and 9995 transitions. [2021-11-25 19:03:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:03:00,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-25 19:03:00,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:00,191 INFO L225 Difference]: With dead ends: 5039 [2021-11-25 19:03:00,191 INFO L226 Difference]: Without dead ends: 5039 [2021-11-25 19:03:00,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:03:00,192 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 134 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:00,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 123 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 19:03:00,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5039 states. [2021-11-25 19:03:00,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5039 to 4895. [2021-11-25 19:03:00,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4895 states, 4821 states have (on average 2.0134826799419208) internal successors, (9707), 4894 states have internal predecessors, (9707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:00,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 9707 transitions. [2021-11-25 19:03:00,252 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 9707 transitions. Word has length 22 [2021-11-25 19:03:00,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:00,252 INFO L470 AbstractCegarLoop]: Abstraction has 4895 states and 9707 transitions. [2021-11-25 19:03:00,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:00,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 9707 transitions. [2021-11-25 19:03:00,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:00,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:00,253 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:00,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-25 19:03:00,254 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:00,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:00,254 INFO L85 PathProgramCache]: Analyzing trace with hash 828851878, now seen corresponding path program 1 times [2021-11-25 19:03:00,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:00,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273249487] [2021-11-25 19:03:00,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:00,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:00,493 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:00,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273249487] [2021-11-25 19:03:00,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273249487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:00,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:00,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:03:00,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946965294] [2021-11-25 19:03:00,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:00,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:03:00,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:00,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:03:00,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:03:00,494 INFO L87 Difference]: Start difference. First operand 4895 states and 9707 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:02,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:02,016 INFO L93 Difference]: Finished difference Result 8346 states and 16529 transitions. [2021-11-25 19:03:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:03:02,017 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:02,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:02,026 INFO L225 Difference]: With dead ends: 8346 [2021-11-25 19:03:02,026 INFO L226 Difference]: Without dead ends: 8346 [2021-11-25 19:03:02,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2021-11-25 19:03:02,027 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 715 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:02,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 208 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:03:02,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8346 states. [2021-11-25 19:03:02,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8346 to 4977. [2021-11-25 19:03:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4977 states, 4903 states have (on average 2.0140730165204976) internal successors, (9875), 4976 states have internal predecessors, (9875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 9875 transitions. [2021-11-25 19:03:02,100 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 9875 transitions. Word has length 24 [2021-11-25 19:03:02,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:02,100 INFO L470 AbstractCegarLoop]: Abstraction has 4977 states and 9875 transitions. [2021-11-25 19:03:02,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 9875 transitions. [2021-11-25 19:03:02,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:02,101 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:02,101 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:02,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-25 19:03:02,101 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:02,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:02,102 INFO L85 PathProgramCache]: Analyzing trace with hash 965514634, now seen corresponding path program 1 times [2021-11-25 19:03:02,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:02,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753164488] [2021-11-25 19:03:02,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:02,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:02,299 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:02,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753164488] [2021-11-25 19:03:02,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753164488] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:02,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:02,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:03:02,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755397909] [2021-11-25 19:03:02,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:02,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:03:02,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:02,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:03:02,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:03:02,301 INFO L87 Difference]: Start difference. First operand 4977 states and 9875 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:03,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:03,931 INFO L93 Difference]: Finished difference Result 8141 states and 16119 transitions. [2021-11-25 19:03:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 19:03:03,931 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:03,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:03,941 INFO L225 Difference]: With dead ends: 8141 [2021-11-25 19:03:03,941 INFO L226 Difference]: Without dead ends: 8141 [2021-11-25 19:03:03,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-11-25 19:03:03,942 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 692 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:03,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [692 Valid, 217 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:03:03,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8141 states. [2021-11-25 19:03:04,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8141 to 5028. [2021-11-25 19:03:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5028 states, 4954 states have (on average 2.014937424303593) internal successors, (9982), 5027 states have internal predecessors, (9982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 5028 states and 9982 transitions. [2021-11-25 19:03:04,020 INFO L78 Accepts]: Start accepts. Automaton has 5028 states and 9982 transitions. Word has length 24 [2021-11-25 19:03:04,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:04,020 INFO L470 AbstractCegarLoop]: Abstraction has 5028 states and 9982 transitions. [2021-11-25 19:03:04,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:04,020 INFO L276 IsEmpty]: Start isEmpty. Operand 5028 states and 9982 transitions. [2021-11-25 19:03:04,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:04,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:04,021 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:04,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-25 19:03:04,022 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:04,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:04,022 INFO L85 PathProgramCache]: Analyzing trace with hash -281347182, now seen corresponding path program 2 times [2021-11-25 19:03:04,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:04,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717802713] [2021-11-25 19:03:04,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:04,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:04,369 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:04,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717802713] [2021-11-25 19:03:04,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717802713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:04,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:04,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:03:04,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581199067] [2021-11-25 19:03:04,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:04,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:03:04,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:04,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:03:04,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:03:04,371 INFO L87 Difference]: Start difference. First operand 5028 states and 9982 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:07,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:07,396 INFO L93 Difference]: Finished difference Result 9774 states and 19390 transitions. [2021-11-25 19:03:07,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 19:03:07,397 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:07,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:07,409 INFO L225 Difference]: With dead ends: 9774 [2021-11-25 19:03:07,409 INFO L226 Difference]: Without dead ends: 9774 [2021-11-25 19:03:07,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2021-11-25 19:03:07,409 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 618 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 3109 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 3202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 3109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:07,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [618 Valid, 495 Invalid, 3202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 3109 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 19:03:07,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9774 states. [2021-11-25 19:03:07,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9774 to 5176. [2021-11-25 19:03:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5176 states, 5102 states have (on average 2.016660133281066) internal successors, (10289), 5175 states have internal predecessors, (10289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 10289 transitions. [2021-11-25 19:03:07,510 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 10289 transitions. Word has length 24 [2021-11-25 19:03:07,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:07,510 INFO L470 AbstractCegarLoop]: Abstraction has 5176 states and 10289 transitions. [2021-11-25 19:03:07,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 10289 transitions. [2021-11-25 19:03:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:07,512 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:07,512 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:07,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-25 19:03:07,512 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:07,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:07,513 INFO L85 PathProgramCache]: Analyzing trace with hash -36854832, now seen corresponding path program 3 times [2021-11-25 19:03:07,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:07,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010559630] [2021-11-25 19:03:07,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:07,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:07,833 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:07,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010559630] [2021-11-25 19:03:07,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010559630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:07,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:07,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:03:07,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217676613] [2021-11-25 19:03:07,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:07,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:03:07,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:07,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:03:07,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:03:07,834 INFO L87 Difference]: Start difference. First operand 5176 states and 10289 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:10,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:10,022 INFO L93 Difference]: Finished difference Result 9729 states and 19304 transitions. [2021-11-25 19:03:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 19:03:10,022 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:10,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:10,065 INFO L225 Difference]: With dead ends: 9729 [2021-11-25 19:03:10,065 INFO L226 Difference]: Without dead ends: 9729 [2021-11-25 19:03:10,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2021-11-25 19:03:10,065 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 724 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:10,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [724 Valid, 450 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 19:03:10,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9729 states. [2021-11-25 19:03:10,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9729 to 5173. [2021-11-25 19:03:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5173 states, 5099 states have (on average 2.0166699352814277) internal successors, (10283), 5172 states have internal predecessors, (10283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 5173 states and 10283 transitions. [2021-11-25 19:03:10,142 INFO L78 Accepts]: Start accepts. Automaton has 5173 states and 10283 transitions. Word has length 24 [2021-11-25 19:03:10,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:10,142 INFO L470 AbstractCegarLoop]: Abstraction has 5173 states and 10283 transitions. [2021-11-25 19:03:10,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 10283 transitions. [2021-11-25 19:03:10,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:10,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:10,143 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:10,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-25 19:03:10,143 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:10,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:10,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1763970120, now seen corresponding path program 4 times [2021-11-25 19:03:10,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:10,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95890312] [2021-11-25 19:03:10,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:10,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:10,601 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:10,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95890312] [2021-11-25 19:03:10,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95890312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:10,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:10,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:03:10,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021750644] [2021-11-25 19:03:10,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:10,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:03:10,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:10,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:03:10,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:03:10,603 INFO L87 Difference]: Start difference. First operand 5173 states and 10283 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:13,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:13,278 INFO L93 Difference]: Finished difference Result 9740 states and 19326 transitions. [2021-11-25 19:03:13,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 19:03:13,278 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:13,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:13,291 INFO L225 Difference]: With dead ends: 9740 [2021-11-25 19:03:13,291 INFO L226 Difference]: Without dead ends: 9740 [2021-11-25 19:03:13,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2021-11-25 19:03:13,292 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 641 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 2425 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 2548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 2425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:13,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 468 Invalid, 2548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 2425 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 19:03:13,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9740 states. [2021-11-25 19:03:13,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9740 to 5170. [2021-11-25 19:03:13,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5170 states, 5096 states have (on average 2.016679748822606) internal successors, (10277), 5169 states have internal predecessors, (10277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:13,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 10277 transitions. [2021-11-25 19:03:13,376 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 10277 transitions. Word has length 24 [2021-11-25 19:03:13,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:13,376 INFO L470 AbstractCegarLoop]: Abstraction has 5170 states and 10277 transitions. [2021-11-25 19:03:13,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 10277 transitions. [2021-11-25 19:03:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:13,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:13,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:13,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-25 19:03:13,378 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:13,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:13,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1354258168, now seen corresponding path program 5 times [2021-11-25 19:03:13,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:13,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271968909] [2021-11-25 19:03:13,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:13,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:13,760 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:13,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271968909] [2021-11-25 19:03:13,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271968909] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:13,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:13,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:03:13,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902010101] [2021-11-25 19:03:13,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:13,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:03:13,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:13,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:03:13,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:03:13,762 INFO L87 Difference]: Start difference. First operand 5170 states and 10277 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:16,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:16,388 INFO L93 Difference]: Finished difference Result 9827 states and 19496 transitions. [2021-11-25 19:03:16,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 19:03:16,388 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:16,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:16,402 INFO L225 Difference]: With dead ends: 9827 [2021-11-25 19:03:16,402 INFO L226 Difference]: Without dead ends: 9827 [2021-11-25 19:03:16,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=364, Invalid=826, Unknown=0, NotChecked=0, Total=1190 [2021-11-25 19:03:16,402 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 745 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 2143 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 2309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 2143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:16,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [745 Valid, 472 Invalid, 2309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 2143 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 19:03:16,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9827 states. [2021-11-25 19:03:16,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9827 to 5167. [2021-11-25 19:03:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5167 states, 5093 states have (on average 2.016689573924995) internal successors, (10271), 5166 states have internal predecessors, (10271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 5167 states and 10271 transitions. [2021-11-25 19:03:16,491 INFO L78 Accepts]: Start accepts. Automaton has 5167 states and 10271 transitions. Word has length 24 [2021-11-25 19:03:16,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:16,491 INFO L470 AbstractCegarLoop]: Abstraction has 5167 states and 10271 transitions. [2021-11-25 19:03:16,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 5167 states and 10271 transitions. [2021-11-25 19:03:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:16,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:16,492 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:16,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-25 19:03:16,492 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:16,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:16,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1989281307, now seen corresponding path program 1 times [2021-11-25 19:03:16,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:16,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685711503] [2021-11-25 19:03:16,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:16,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:16,988 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:16,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685711503] [2021-11-25 19:03:16,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685711503] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:16,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:16,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:03:16,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641684462] [2021-11-25 19:03:16,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:16,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:03:16,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:16,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:03:16,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:03:16,990 INFO L87 Difference]: Start difference. First operand 5167 states and 10271 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:20,478 INFO L93 Difference]: Finished difference Result 9864 states and 19573 transitions. [2021-11-25 19:03:20,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 19:03:20,478 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:20,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:20,492 INFO L225 Difference]: With dead ends: 9864 [2021-11-25 19:03:20,492 INFO L226 Difference]: Without dead ends: 9864 [2021-11-25 19:03:20,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2021-11-25 19:03:20,492 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 803 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 3484 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 3616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 3484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:20,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [803 Valid, 602 Invalid, 3616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 3484 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 19:03:20,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9864 states. [2021-11-25 19:03:20,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9864 to 5285. [2021-11-25 19:03:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5285 states, 5211 states have (on average 2.0174630589138363) internal successors, (10513), 5284 states have internal predecessors, (10513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:20,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 10513 transitions. [2021-11-25 19:03:20,581 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 10513 transitions. Word has length 24 [2021-11-25 19:03:20,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:20,581 INFO L470 AbstractCegarLoop]: Abstraction has 5285 states and 10513 transitions. [2021-11-25 19:03:20,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:20,581 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 10513 transitions. [2021-11-25 19:03:20,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:20,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:20,582 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:20,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-25 19:03:20,583 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:20,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:20,583 INFO L85 PathProgramCache]: Analyzing trace with hash -2062562797, now seen corresponding path program 2 times [2021-11-25 19:03:20,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:20,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542440443] [2021-11-25 19:03:20,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:20,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:21,023 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:21,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542440443] [2021-11-25 19:03:21,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542440443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:21,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:21,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:03:21,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353114320] [2021-11-25 19:03:21,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:21,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:03:21,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:21,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:03:21,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:03:21,025 INFO L87 Difference]: Start difference. First operand 5285 states and 10513 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:24,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:24,006 INFO L93 Difference]: Finished difference Result 9848 states and 19541 transitions. [2021-11-25 19:03:24,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 19:03:24,007 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:24,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:24,018 INFO L225 Difference]: With dead ends: 9848 [2021-11-25 19:03:24,018 INFO L226 Difference]: Without dead ends: 9848 [2021-11-25 19:03:24,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=231, Invalid=581, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:03:24,019 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 808 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 2966 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 3093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 2966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:24,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [808 Valid, 582 Invalid, 3093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 2966 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 19:03:24,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9848 states. [2021-11-25 19:03:24,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9848 to 5286. [2021-11-25 19:03:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5286 states, 5212 states have (on average 2.017459708365311) internal successors, (10515), 5285 states have internal predecessors, (10515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:24,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5286 states to 5286 states and 10515 transitions. [2021-11-25 19:03:24,099 INFO L78 Accepts]: Start accepts. Automaton has 5286 states and 10515 transitions. Word has length 24 [2021-11-25 19:03:24,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:24,099 INFO L470 AbstractCegarLoop]: Abstraction has 5286 states and 10515 transitions. [2021-11-25 19:03:24,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:24,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5286 states and 10515 transitions. [2021-11-25 19:03:24,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:24,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:24,100 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:24,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-25 19:03:24,101 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:24,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:24,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2057900707, now seen corresponding path program 3 times [2021-11-25 19:03:24,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:24,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58422199] [2021-11-25 19:03:24,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:24,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:24,472 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:24,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58422199] [2021-11-25 19:03:24,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58422199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:24,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:24,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:03:24,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982117550] [2021-11-25 19:03:24,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:24,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:03:24,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:24,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:03:24,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:03:24,473 INFO L87 Difference]: Start difference. First operand 5286 states and 10515 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:27,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:27,995 INFO L93 Difference]: Finished difference Result 9861 states and 19567 transitions. [2021-11-25 19:03:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 19:03:27,996 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:27,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:28,012 INFO L225 Difference]: With dead ends: 9861 [2021-11-25 19:03:28,012 INFO L226 Difference]: Without dead ends: 9861 [2021-11-25 19:03:28,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=260, Invalid=610, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:03:28,013 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 839 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 3842 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 3977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:28,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [839 Valid, 610 Invalid, 3977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3842 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:03:28,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9861 states. [2021-11-25 19:03:28,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9861 to 5294. [2021-11-25 19:03:28,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5294 states, 5220 states have (on average 2.017432950191571) internal successors, (10531), 5293 states have internal predecessors, (10531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5294 states to 5294 states and 10531 transitions. [2021-11-25 19:03:28,109 INFO L78 Accepts]: Start accepts. Automaton has 5294 states and 10531 transitions. Word has length 24 [2021-11-25 19:03:28,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:28,109 INFO L470 AbstractCegarLoop]: Abstraction has 5294 states and 10531 transitions. [2021-11-25 19:03:28,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5294 states and 10531 transitions. [2021-11-25 19:03:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:28,110 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:28,110 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:28,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-25 19:03:28,111 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:28,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:28,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1763292261, now seen corresponding path program 4 times [2021-11-25 19:03:28,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:28,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473333597] [2021-11-25 19:03:28,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:28,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:28,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:28,465 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:28,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473333597] [2021-11-25 19:03:28,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473333597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:28,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:28,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:03:28,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840767383] [2021-11-25 19:03:28,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:28,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:03:28,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:28,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:03:28,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:03:28,466 INFO L87 Difference]: Start difference. First operand 5294 states and 10531 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:31,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:31,693 INFO L93 Difference]: Finished difference Result 9863 states and 19571 transitions. [2021-11-25 19:03:31,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 19:03:31,694 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:31,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:31,704 INFO L225 Difference]: With dead ends: 9863 [2021-11-25 19:03:31,704 INFO L226 Difference]: Without dead ends: 9863 [2021-11-25 19:03:31,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=230, Invalid=582, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:03:31,704 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 768 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 3757 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 3863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 3757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:31,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [768 Valid, 608 Invalid, 3863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 3757 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 19:03:31,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9863 states. [2021-11-25 19:03:31,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9863 to 5296. [2021-11-25 19:03:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5296 states, 5222 states have (on average 2.017426273458445) internal successors, (10535), 5295 states have internal predecessors, (10535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5296 states to 5296 states and 10535 transitions. [2021-11-25 19:03:31,779 INFO L78 Accepts]: Start accepts. Automaton has 5296 states and 10535 transitions. Word has length 24 [2021-11-25 19:03:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:31,779 INFO L470 AbstractCegarLoop]: Abstraction has 5296 states and 10535 transitions. [2021-11-25 19:03:31,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 5296 states and 10535 transitions. [2021-11-25 19:03:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:31,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:31,780 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:31,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-25 19:03:31,780 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:31,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:31,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1758630171, now seen corresponding path program 5 times [2021-11-25 19:03:31,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:31,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448778981] [2021-11-25 19:03:31,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:31,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:32,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:32,152 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:32,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448778981] [2021-11-25 19:03:32,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448778981] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:32,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:32,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:03:32,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098255954] [2021-11-25 19:03:32,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:32,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:03:32,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:32,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:03:32,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:03:32,154 INFO L87 Difference]: Start difference. First operand 5296 states and 10535 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:35,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:35,847 INFO L93 Difference]: Finished difference Result 9879 states and 19603 transitions. [2021-11-25 19:03:35,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-25 19:03:35,847 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:35,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:35,857 INFO L225 Difference]: With dead ends: 9879 [2021-11-25 19:03:35,857 INFO L226 Difference]: Without dead ends: 9879 [2021-11-25 19:03:35,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-11-25 19:03:35,858 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 863 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 3843 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 4006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 3843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:35,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [863 Valid, 610 Invalid, 4006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 3843 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 19:03:35,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9879 states. [2021-11-25 19:03:35,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9879 to 5295. [2021-11-25 19:03:35,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5295 states, 5221 states have (on average 2.0174296111855967) internal successors, (10533), 5294 states have internal predecessors, (10533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 10533 transitions. [2021-11-25 19:03:35,931 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 10533 transitions. Word has length 24 [2021-11-25 19:03:35,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:35,931 INFO L470 AbstractCegarLoop]: Abstraction has 5295 states and 10533 transitions. [2021-11-25 19:03:35,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:35,931 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 10533 transitions. [2021-11-25 19:03:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:35,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:35,932 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:35,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-25 19:03:35,932 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:35,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:35,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1613182821, now seen corresponding path program 6 times [2021-11-25 19:03:35,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:35,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653318204] [2021-11-25 19:03:35,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:35,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:36,272 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:36,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653318204] [2021-11-25 19:03:36,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653318204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:36,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:36,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:03:36,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648601476] [2021-11-25 19:03:36,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:36,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:03:36,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:36,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:03:36,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:03:36,274 INFO L87 Difference]: Start difference. First operand 5295 states and 10533 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:39,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:39,258 INFO L93 Difference]: Finished difference Result 9886 states and 19617 transitions. [2021-11-25 19:03:39,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 19:03:39,258 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:39,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:39,268 INFO L225 Difference]: With dead ends: 9886 [2021-11-25 19:03:39,268 INFO L226 Difference]: Without dead ends: 9886 [2021-11-25 19:03:39,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=320, Invalid=736, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 19:03:39,269 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 816 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 3380 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 3519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 3380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:39,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [816 Valid, 596 Invalid, 3519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 3380 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:03:39,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9886 states. [2021-11-25 19:03:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9886 to 5303. [2021-11-25 19:03:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 5229 states have (on average 2.0174029451137887) internal successors, (10549), 5302 states have internal predecessors, (10549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 10549 transitions. [2021-11-25 19:03:39,342 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 10549 transitions. Word has length 24 [2021-11-25 19:03:39,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:39,343 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 10549 transitions. [2021-11-25 19:03:39,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:39,343 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 10549 transitions. [2021-11-25 19:03:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:39,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:39,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:39,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-25 19:03:39,344 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:39,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:39,344 INFO L85 PathProgramCache]: Analyzing trace with hash -2101541741, now seen corresponding path program 7 times [2021-11-25 19:03:39,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:39,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422665724] [2021-11-25 19:03:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:39,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:39,669 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:39,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422665724] [2021-11-25 19:03:39,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422665724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:39,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:39,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:03:39,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698075468] [2021-11-25 19:03:39,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:39,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:03:39,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:39,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:03:39,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:03:39,670 INFO L87 Difference]: Start difference. First operand 5303 states and 10549 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:42,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:42,706 INFO L93 Difference]: Finished difference Result 9989 states and 19819 transitions. [2021-11-25 19:03:42,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 19:03:42,706 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:42,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:42,717 INFO L225 Difference]: With dead ends: 9989 [2021-11-25 19:03:42,717 INFO L226 Difference]: Without dead ends: 9989 [2021-11-25 19:03:42,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=303, Invalid=753, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 19:03:42,718 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 751 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 3402 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 3523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:42,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [751 Valid, 596 Invalid, 3523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3402 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 19:03:42,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9989 states. [2021-11-25 19:03:42,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9989 to 5313. [2021-11-25 19:03:42,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5313 states, 5239 states have (on average 2.0173697270471465) internal successors, (10569), 5312 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5313 states to 5313 states and 10569 transitions. [2021-11-25 19:03:42,830 INFO L78 Accepts]: Start accepts. Automaton has 5313 states and 10569 transitions. Word has length 24 [2021-11-25 19:03:42,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:42,831 INFO L470 AbstractCegarLoop]: Abstraction has 5313 states and 10569 transitions. [2021-11-25 19:03:42,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 5313 states and 10569 transitions. [2021-11-25 19:03:42,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:42,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:42,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:42,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-25 19:03:42,833 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:42,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:42,834 INFO L85 PathProgramCache]: Analyzing trace with hash -2096879651, now seen corresponding path program 8 times [2021-11-25 19:03:42,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:42,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418930916] [2021-11-25 19:03:42,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:42,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:43,281 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:43,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418930916] [2021-11-25 19:03:43,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418930916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:43,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:43,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:03:43,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332167877] [2021-11-25 19:03:43,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:43,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:03:43,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:43,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:03:43,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:03:43,282 INFO L87 Difference]: Start difference. First operand 5313 states and 10569 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:46,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:46,221 INFO L93 Difference]: Finished difference Result 10037 states and 19915 transitions. [2021-11-25 19:03:46,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-25 19:03:46,222 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:46,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:46,241 INFO L225 Difference]: With dead ends: 10037 [2021-11-25 19:03:46,241 INFO L226 Difference]: Without dead ends: 10037 [2021-11-25 19:03:46,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=352, Invalid=838, Unknown=0, NotChecked=0, Total=1190 [2021-11-25 19:03:46,242 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 860 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:46,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [860 Valid, 574 Invalid, 2695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 19:03:46,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10037 states. [2021-11-25 19:03:46,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10037 to 5312. [2021-11-25 19:03:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5312 states, 5238 states have (on average 2.017373043146239) internal successors, (10567), 5311 states have internal predecessors, (10567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5312 states to 5312 states and 10567 transitions. [2021-11-25 19:03:46,372 INFO L78 Accepts]: Start accepts. Automaton has 5312 states and 10567 transitions. Word has length 24 [2021-11-25 19:03:46,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:46,372 INFO L470 AbstractCegarLoop]: Abstraction has 5312 states and 10567 transitions. [2021-11-25 19:03:46,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 5312 states and 10567 transitions. [2021-11-25 19:03:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:46,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:46,374 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:46,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-25 19:03:46,374 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:46,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:46,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1951432301, now seen corresponding path program 9 times [2021-11-25 19:03:46,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:46,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957992645] [2021-11-25 19:03:46,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:46,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:46,677 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:46,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957992645] [2021-11-25 19:03:46,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957992645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:46,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:46,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:03:46,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551513268] [2021-11-25 19:03:46,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:46,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:03:46,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:46,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:03:46,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:03:46,678 INFO L87 Difference]: Start difference. First operand 5312 states and 10567 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:50,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:50,038 INFO L93 Difference]: Finished difference Result 10051 states and 19943 transitions. [2021-11-25 19:03:50,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-25 19:03:50,039 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:50,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:50,051 INFO L225 Difference]: With dead ends: 10051 [2021-11-25 19:03:50,051 INFO L226 Difference]: Without dead ends: 10051 [2021-11-25 19:03:50,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=570, Invalid=1410, Unknown=0, NotChecked=0, Total=1980 [2021-11-25 19:03:50,051 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 883 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 3457 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 3644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 3457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:50,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [883 Valid, 597 Invalid, 3644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 3457 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 19:03:50,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10051 states. [2021-11-25 19:03:50,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10051 to 5225. [2021-11-25 19:03:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5225 states, 5151 states have (on average 2.0165016501650164) internal successors, (10387), 5224 states have internal predecessors, (10387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 10387 transitions. [2021-11-25 19:03:50,162 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 10387 transitions. Word has length 24 [2021-11-25 19:03:50,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:50,162 INFO L470 AbstractCegarLoop]: Abstraction has 5225 states and 10387 transitions. [2021-11-25 19:03:50,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 10387 transitions. [2021-11-25 19:03:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:50,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:50,163 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:50,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-25 19:03:50,163 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:50,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:50,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1708932387, now seen corresponding path program 10 times [2021-11-25 19:03:50,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:50,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828834978] [2021-11-25 19:03:50,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:50,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:50,419 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:50,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828834978] [2021-11-25 19:03:50,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828834978] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:50,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:50,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:03:50,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281230916] [2021-11-25 19:03:50,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:50,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:03:50,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:50,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:03:50,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:03:50,420 INFO L87 Difference]: Start difference. First operand 5225 states and 10387 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:53,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:53,902 INFO L93 Difference]: Finished difference Result 9994 states and 19829 transitions. [2021-11-25 19:03:53,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-25 19:03:53,903 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:53,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:53,914 INFO L225 Difference]: With dead ends: 9994 [2021-11-25 19:03:53,914 INFO L226 Difference]: Without dead ends: 9994 [2021-11-25 19:03:53,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=631, Invalid=1531, Unknown=0, NotChecked=0, Total=2162 [2021-11-25 19:03:53,917 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 881 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 4171 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 4362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 4171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:53,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [881 Valid, 622 Invalid, 4362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 4171 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 19:03:53,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2021-11-25 19:03:54,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 5233. [2021-11-25 19:03:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5233 states, 5159 states have (on average 2.0164760612521806) internal successors, (10403), 5232 states have internal predecessors, (10403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 5233 states and 10403 transitions. [2021-11-25 19:03:54,023 INFO L78 Accepts]: Start accepts. Automaton has 5233 states and 10403 transitions. Word has length 24 [2021-11-25 19:03:54,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:54,023 INFO L470 AbstractCegarLoop]: Abstraction has 5233 states and 10403 transitions. [2021-11-25 19:03:54,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 10403 transitions. [2021-11-25 19:03:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:54,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:54,024 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:54,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-25 19:03:54,025 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:54,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:54,025 INFO L85 PathProgramCache]: Analyzing trace with hash 454116251, now seen corresponding path program 11 times [2021-11-25 19:03:54,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:54,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327316616] [2021-11-25 19:03:54,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:54,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:54,236 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:54,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327316616] [2021-11-25 19:03:54,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327316616] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:54,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:54,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:03:54,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619031538] [2021-11-25 19:03:54,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:54,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:03:54,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:54,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:03:54,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:03:54,238 INFO L87 Difference]: Start difference. First operand 5233 states and 10403 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:56,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:56,422 INFO L93 Difference]: Finished difference Result 9085 states and 17999 transitions. [2021-11-25 19:03:56,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 19:03:56,423 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:56,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:56,433 INFO L225 Difference]: With dead ends: 9085 [2021-11-25 19:03:56,434 INFO L226 Difference]: Without dead ends: 9085 [2021-11-25 19:03:56,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2021-11-25 19:03:56,434 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 896 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 2430 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 2497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:56,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [896 Valid, 616 Invalid, 2497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2430 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 19:03:56,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9085 states. [2021-11-25 19:03:56,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9085 to 5237. [2021-11-25 19:03:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5237 states, 5163 states have (on average 2.0164632965330234) internal successors, (10411), 5236 states have internal predecessors, (10411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 10411 transitions. [2021-11-25 19:03:56,507 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 10411 transitions. Word has length 24 [2021-11-25 19:03:56,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:56,507 INFO L470 AbstractCegarLoop]: Abstraction has 5237 states and 10411 transitions. [2021-11-25 19:03:56,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:56,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 10411 transitions. [2021-11-25 19:03:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:56,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:56,508 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:56,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-25 19:03:56,508 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:56,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:56,508 INFO L85 PathProgramCache]: Analyzing trace with hash 458778341, now seen corresponding path program 12 times [2021-11-25 19:03:56,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:56,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834703034] [2021-11-25 19:03:56,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:56,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:56,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:56,714 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:56,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834703034] [2021-11-25 19:03:56,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834703034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:56,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:56,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:03:56,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528639189] [2021-11-25 19:03:56,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:56,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:03:56,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:56,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:03:56,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:03:56,715 INFO L87 Difference]: Start difference. First operand 5237 states and 10411 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:59,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:59,218 INFO L93 Difference]: Finished difference Result 9109 states and 18047 transitions. [2021-11-25 19:03:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 19:03:59,219 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:03:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:59,229 INFO L225 Difference]: With dead ends: 9109 [2021-11-25 19:03:59,229 INFO L226 Difference]: Without dead ends: 9109 [2021-11-25 19:03:59,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=250, Invalid=562, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:03:59,229 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 903 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 2596 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 2669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:59,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 618 Invalid, 2669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2596 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 19:03:59,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9109 states. [2021-11-25 19:03:59,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9109 to 5236. [2021-11-25 19:03:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5236 states, 5162 states have (on average 2.0164664858581944) internal successors, (10409), 5235 states have internal predecessors, (10409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:59,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 10409 transitions. [2021-11-25 19:03:59,299 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 10409 transitions. Word has length 24 [2021-11-25 19:03:59,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:59,299 INFO L470 AbstractCegarLoop]: Abstraction has 5236 states and 10409 transitions. [2021-11-25 19:03:59,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:03:59,300 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 10409 transitions. [2021-11-25 19:03:59,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:03:59,300 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:59,300 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:59,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-25 19:03:59,301 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:03:59,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:59,301 INFO L85 PathProgramCache]: Analyzing trace with hash 604225691, now seen corresponding path program 13 times [2021-11-25 19:03:59,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:59,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107165720] [2021-11-25 19:03:59,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:59,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:03:59,564 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:59,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107165720] [2021-11-25 19:03:59,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107165720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:59,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:59,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:03:59,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363216113] [2021-11-25 19:03:59,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:59,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:03:59,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:59,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:03:59,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:03:59,565 INFO L87 Difference]: Start difference. First operand 5236 states and 10409 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:01,939 INFO L93 Difference]: Finished difference Result 9133 states and 18095 transitions. [2021-11-25 19:04:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 19:04:01,940 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:01,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:01,955 INFO L225 Difference]: With dead ends: 9133 [2021-11-25 19:04:01,955 INFO L226 Difference]: Without dead ends: 9133 [2021-11-25 19:04:01,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=274, Invalid=596, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:04:01,956 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 933 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 2241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:01,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [933 Valid, 606 Invalid, 2241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 19:04:01,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9133 states. [2021-11-25 19:04:02,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9133 to 5235. [2021-11-25 19:04:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5235 states, 5161 states have (on average 2.0164696764192986) internal successors, (10407), 5234 states have internal predecessors, (10407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 5235 states and 10407 transitions. [2021-11-25 19:04:02,027 INFO L78 Accepts]: Start accepts. Automaton has 5235 states and 10407 transitions. Word has length 24 [2021-11-25 19:04:02,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:02,028 INFO L470 AbstractCegarLoop]: Abstraction has 5235 states and 10407 transitions. [2021-11-25 19:04:02,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 5235 states and 10407 transitions. [2021-11-25 19:04:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:02,029 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:02,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:02,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-25 19:04:02,029 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:02,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:02,029 INFO L85 PathProgramCache]: Analyzing trace with hash 846725605, now seen corresponding path program 14 times [2021-11-25 19:04:02,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:02,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168584366] [2021-11-25 19:04:02,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:02,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:02,172 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:02,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168584366] [2021-11-25 19:04:02,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168584366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:02,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:02,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:04:02,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335347355] [2021-11-25 19:04:02,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:02,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:04:02,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:02,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:04:02,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:04:02,175 INFO L87 Difference]: Start difference. First operand 5235 states and 10407 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:04,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:04,938 INFO L93 Difference]: Finished difference Result 9250 states and 18329 transitions. [2021-11-25 19:04:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-25 19:04:04,944 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:04,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:04,954 INFO L225 Difference]: With dead ends: 9250 [2021-11-25 19:04:04,954 INFO L226 Difference]: Without dead ends: 9250 [2021-11-25 19:04:04,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=415, Invalid=917, Unknown=0, NotChecked=0, Total=1332 [2021-11-25 19:04:04,955 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 1000 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 3020 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 3139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 3020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:04,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1000 Valid, 624 Invalid, 3139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 3020 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:04:04,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9250 states. [2021-11-25 19:04:05,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9250 to 5234. [2021-11-25 19:04:05,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5234 states, 5160 states have (on average 2.016472868217054) internal successors, (10405), 5233 states have internal predecessors, (10405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:05,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 10405 transitions. [2021-11-25 19:04:05,030 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 10405 transitions. Word has length 24 [2021-11-25 19:04:05,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:05,030 INFO L470 AbstractCegarLoop]: Abstraction has 5234 states and 10405 transitions. [2021-11-25 19:04:05,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:05,030 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 10405 transitions. [2021-11-25 19:04:05,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:05,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:05,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:05,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-11-25 19:04:05,060 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:05,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:05,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1224068195, now seen corresponding path program 1 times [2021-11-25 19:04:05,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:05,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929145466] [2021-11-25 19:04:05,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:05,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:05,211 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:05,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929145466] [2021-11-25 19:04:05,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929145466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:05,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:05,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:04:05,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717643050] [2021-11-25 19:04:05,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:05,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:04:05,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:04:05,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:04:05,212 INFO L87 Difference]: Start difference. First operand 5234 states and 10405 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:07,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:07,916 INFO L93 Difference]: Finished difference Result 9067 states and 17959 transitions. [2021-11-25 19:04:07,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 19:04:07,917 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:07,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:07,927 INFO L225 Difference]: With dead ends: 9067 [2021-11-25 19:04:07,927 INFO L226 Difference]: Without dead ends: 9067 [2021-11-25 19:04:07,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=316, Invalid=806, Unknown=0, NotChecked=0, Total=1122 [2021-11-25 19:04:07,927 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 1125 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 3150 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 3289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 3150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:07,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1125 Valid, 774 Invalid, 3289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 3150 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:04:07,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9067 states. [2021-11-25 19:04:07,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9067 to 5312. [2021-11-25 19:04:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5312 states, 5238 states have (on average 2.0169912180221456) internal successors, (10565), 5311 states have internal predecessors, (10565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5312 states to 5312 states and 10565 transitions. [2021-11-25 19:04:08,009 INFO L78 Accepts]: Start accepts. Automaton has 5312 states and 10565 transitions. Word has length 24 [2021-11-25 19:04:08,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:08,009 INFO L470 AbstractCegarLoop]: Abstraction has 5312 states and 10565 transitions. [2021-11-25 19:04:08,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 5312 states and 10565 transitions. [2021-11-25 19:04:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:08,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:08,010 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:08,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-25 19:04:08,010 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:08,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:08,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1734060507, now seen corresponding path program 15 times [2021-11-25 19:04:08,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:08,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975757698] [2021-11-25 19:04:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:08,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:08,189 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:08,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975757698] [2021-11-25 19:04:08,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975757698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:08,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:08,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:04:08,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217499530] [2021-11-25 19:04:08,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:08,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:04:08,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:08,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:04:08,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:04:08,191 INFO L87 Difference]: Start difference. First operand 5312 states and 10565 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:10,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:10,621 INFO L93 Difference]: Finished difference Result 9125 states and 18079 transitions. [2021-11-25 19:04:10,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-25 19:04:10,622 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:10,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:10,631 INFO L225 Difference]: With dead ends: 9125 [2021-11-25 19:04:10,631 INFO L226 Difference]: Without dead ends: 9125 [2021-11-25 19:04:10,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=416, Invalid=990, Unknown=0, NotChecked=0, Total=1406 [2021-11-25 19:04:10,632 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 1158 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 2468 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:10,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1158 Valid, 772 Invalid, 2611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 2468 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 19:04:10,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9125 states. [2021-11-25 19:04:10,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9125 to 5335. [2021-11-25 19:04:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5261 states have (on average 2.0178673256034974) internal successors, (10616), 5334 states have internal predecessors, (10616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 10616 transitions. [2021-11-25 19:04:10,707 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 10616 transitions. Word has length 24 [2021-11-25 19:04:10,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:10,707 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 10616 transitions. [2021-11-25 19:04:10,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 10616 transitions. [2021-11-25 19:04:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:10,708 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:10,709 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:10,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-11-25 19:04:10,709 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:10,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:10,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1629372710, now seen corresponding path program 2 times [2021-11-25 19:04:10,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:10,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801157365] [2021-11-25 19:04:10,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:10,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:11,047 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:11,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801157365] [2021-11-25 19:04:11,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801157365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:11,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:11,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:04:11,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045231419] [2021-11-25 19:04:11,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:11,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 19:04:11,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:11,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 19:04:11,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-25 19:04:11,048 INFO L87 Difference]: Start difference. First operand 5335 states and 10616 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:12,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:12,717 INFO L93 Difference]: Finished difference Result 5635 states and 11215 transitions. [2021-11-25 19:04:12,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:04:12,717 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:12,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:12,723 INFO L225 Difference]: With dead ends: 5635 [2021-11-25 19:04:12,723 INFO L226 Difference]: Without dead ends: 5635 [2021-11-25 19:04:12,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:04:12,724 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 458 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:12,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [458 Valid, 383 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:04:12,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5635 states. [2021-11-25 19:04:12,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5635 to 5336. [2021-11-25 19:04:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5336 states, 5262 states have (on average 2.0178639300646144) internal successors, (10618), 5335 states have internal predecessors, (10618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5336 states to 5336 states and 10618 transitions. [2021-11-25 19:04:12,809 INFO L78 Accepts]: Start accepts. Automaton has 5336 states and 10618 transitions. Word has length 24 [2021-11-25 19:04:12,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:12,809 INFO L470 AbstractCegarLoop]: Abstraction has 5336 states and 10618 transitions. [2021-11-25 19:04:12,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 5336 states and 10618 transitions. [2021-11-25 19:04:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:12,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:12,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:12,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-11-25 19:04:12,810 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:12,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:12,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1635427010, now seen corresponding path program 3 times [2021-11-25 19:04:12,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:12,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859245991] [2021-11-25 19:04:12,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:12,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:13,131 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:13,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859245991] [2021-11-25 19:04:13,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859245991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:13,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:13,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:04:13,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652092744] [2021-11-25 19:04:13,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:13,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 19:04:13,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:13,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 19:04:13,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-25 19:04:13,132 INFO L87 Difference]: Start difference. First operand 5336 states and 10618 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:16,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:16,004 INFO L93 Difference]: Finished difference Result 5705 states and 11355 transitions. [2021-11-25 19:04:16,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 19:04:16,004 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:16,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:16,010 INFO L225 Difference]: With dead ends: 5705 [2021-11-25 19:04:16,010 INFO L226 Difference]: Without dead ends: 5705 [2021-11-25 19:04:16,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2021-11-25 19:04:16,014 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 481 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:16,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [481 Valid, 395 Invalid, 2900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:04:16,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5705 states. [2021-11-25 19:04:16,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5705 to 5341. [2021-11-25 19:04:16,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5341 states, 5267 states have (on average 2.017846971710651) internal successors, (10628), 5340 states have internal predecessors, (10628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:16,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5341 states to 5341 states and 10628 transitions. [2021-11-25 19:04:16,074 INFO L78 Accepts]: Start accepts. Automaton has 5341 states and 10628 transitions. Word has length 24 [2021-11-25 19:04:16,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:16,074 INFO L470 AbstractCegarLoop]: Abstraction has 5341 states and 10628 transitions. [2021-11-25 19:04:16,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:16,074 INFO L276 IsEmpty]: Start isEmpty. Operand 5341 states and 10628 transitions. [2021-11-25 19:04:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:16,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:16,076 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:16,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-11-25 19:04:16,076 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:16,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:16,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1824004040, now seen corresponding path program 4 times [2021-11-25 19:04:16,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:16,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840136613] [2021-11-25 19:04:16,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:16,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:16,511 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:16,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840136613] [2021-11-25 19:04:16,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840136613] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:16,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:16,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:04:16,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462048047] [2021-11-25 19:04:16,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:16,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:04:16,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:16,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:04:16,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:04:16,513 INFO L87 Difference]: Start difference. First operand 5341 states and 10628 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:19,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:19,321 INFO L93 Difference]: Finished difference Result 5764 states and 11474 transitions. [2021-11-25 19:04:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 19:04:19,321 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:19,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:19,327 INFO L225 Difference]: With dead ends: 5764 [2021-11-25 19:04:19,327 INFO L226 Difference]: Without dead ends: 5764 [2021-11-25 19:04:19,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2021-11-25 19:04:19,328 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 583 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 2468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:19,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [583 Valid, 405 Invalid, 2468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 19:04:19,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5764 states. [2021-11-25 19:04:19,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5764 to 5346. [2021-11-25 19:04:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5346 states, 5272 states have (on average 2.0178300455235205) internal successors, (10638), 5345 states have internal predecessors, (10638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5346 states to 5346 states and 10638 transitions. [2021-11-25 19:04:19,388 INFO L78 Accepts]: Start accepts. Automaton has 5346 states and 10638 transitions. Word has length 24 [2021-11-25 19:04:19,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:19,388 INFO L470 AbstractCegarLoop]: Abstraction has 5346 states and 10638 transitions. [2021-11-25 19:04:19,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 5346 states and 10638 transitions. [2021-11-25 19:04:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:19,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:19,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:19,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-11-25 19:04:19,389 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:19,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:19,389 INFO L85 PathProgramCache]: Analyzing trace with hash -892336992, now seen corresponding path program 5 times [2021-11-25 19:04:19,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:19,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160436317] [2021-11-25 19:04:19,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:19,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:19,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:19,784 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:19,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160436317] [2021-11-25 19:04:19,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160436317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:19,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:19,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:04:19,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314396277] [2021-11-25 19:04:19,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:19,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:04:19,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:19,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:04:19,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:04:19,786 INFO L87 Difference]: Start difference. First operand 5346 states and 10638 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:22,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:22,389 INFO L93 Difference]: Finished difference Result 5824 states and 11594 transitions. [2021-11-25 19:04:22,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 19:04:22,389 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:22,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:22,395 INFO L225 Difference]: With dead ends: 5824 [2021-11-25 19:04:22,395 INFO L226 Difference]: Without dead ends: 5824 [2021-11-25 19:04:22,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2021-11-25 19:04:22,396 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 507 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 2397 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 2528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 2397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:22,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [507 Valid, 454 Invalid, 2528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 2397 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 19:04:22,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5824 states. [2021-11-25 19:04:22,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5824 to 5351. [2021-11-25 19:04:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5351 states, 5277 states have (on average 2.017813151411787) internal successors, (10648), 5350 states have internal predecessors, (10648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:22,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5351 states to 5351 states and 10648 transitions. [2021-11-25 19:04:22,452 INFO L78 Accepts]: Start accepts. Automaton has 5351 states and 10648 transitions. Word has length 24 [2021-11-25 19:04:22,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:22,452 INFO L470 AbstractCegarLoop]: Abstraction has 5351 states and 10648 transitions. [2021-11-25 19:04:22,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:22,452 INFO L276 IsEmpty]: Start isEmpty. Operand 5351 states and 10648 transitions. [2021-11-25 19:04:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:22,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:22,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:22,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-11-25 19:04:22,454 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:22,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:22,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1659311466, now seen corresponding path program 6 times [2021-11-25 19:04:22,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:22,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253393922] [2021-11-25 19:04:22,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:22,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:22,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:22,824 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:22,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253393922] [2021-11-25 19:04:22,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253393922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:22,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:22,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:04:22,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420813513] [2021-11-25 19:04:22,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:22,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:04:22,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:22,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:04:22,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:04:22,825 INFO L87 Difference]: Start difference. First operand 5351 states and 10648 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:25,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:25,498 INFO L93 Difference]: Finished difference Result 8667 states and 17191 transitions. [2021-11-25 19:04:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-25 19:04:25,498 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:25,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:25,537 INFO L225 Difference]: With dead ends: 8667 [2021-11-25 19:04:25,537 INFO L226 Difference]: Without dead ends: 8667 [2021-11-25 19:04:25,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2021-11-25 19:04:25,538 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 754 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 2312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:25,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [754 Valid, 567 Invalid, 2312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:04:25,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8667 states. [2021-11-25 19:04:25,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8667 to 5159. [2021-11-25 19:04:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5159 states, 5087 states have (on average 2.0169058384116374) internal successors, (10260), 5158 states have internal predecessors, (10260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:25,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5159 states to 5159 states and 10260 transitions. [2021-11-25 19:04:25,600 INFO L78 Accepts]: Start accepts. Automaton has 5159 states and 10260 transitions. Word has length 24 [2021-11-25 19:04:25,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:25,600 INFO L470 AbstractCegarLoop]: Abstraction has 5159 states and 10260 transitions. [2021-11-25 19:04:25,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:25,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5159 states and 10260 transitions. [2021-11-25 19:04:25,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:25,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:25,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:25,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-11-25 19:04:25,601 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:25,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:25,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1795974222, now seen corresponding path program 6 times [2021-11-25 19:04:25,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:25,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520428013] [2021-11-25 19:04:25,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:25,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:25,749 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:25,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520428013] [2021-11-25 19:04:25,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520428013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:25,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:25,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:04:25,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328117301] [2021-11-25 19:04:25,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:25,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:04:25,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:25,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:04:25,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:04:25,750 INFO L87 Difference]: Start difference. First operand 5159 states and 10260 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:27,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:27,729 INFO L93 Difference]: Finished difference Result 8531 states and 16911 transitions. [2021-11-25 19:04:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:04:27,729 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:27,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:27,739 INFO L225 Difference]: With dead ends: 8531 [2021-11-25 19:04:27,740 INFO L226 Difference]: Without dead ends: 8531 [2021-11-25 19:04:27,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-11-25 19:04:27,740 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 454 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 2491 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:27,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [454 Valid, 459 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2491 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:04:27,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8531 states. [2021-11-25 19:04:27,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8531 to 5107. [2021-11-25 19:04:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5107 states, 5035 states have (on average 2.016087388282026) internal successors, (10151), 5106 states have internal predecessors, (10151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5107 states to 5107 states and 10151 transitions. [2021-11-25 19:04:27,809 INFO L78 Accepts]: Start accepts. Automaton has 5107 states and 10151 transitions. Word has length 24 [2021-11-25 19:04:27,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:27,809 INFO L470 AbstractCegarLoop]: Abstraction has 5107 states and 10151 transitions. [2021-11-25 19:04:27,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 5107 states and 10151 transitions. [2021-11-25 19:04:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:27,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:27,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:27,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-11-25 19:04:27,811 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:27,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:27,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1190296444, now seen corresponding path program 7 times [2021-11-25 19:04:27,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:27,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682581335] [2021-11-25 19:04:27,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:27,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:28,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:28,112 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:28,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682581335] [2021-11-25 19:04:28,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682581335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:28,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:28,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:04:28,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931366867] [2021-11-25 19:04:28,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:28,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:04:28,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:28,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:04:28,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:04:28,114 INFO L87 Difference]: Start difference. First operand 5107 states and 10151 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:30,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:30,853 INFO L93 Difference]: Finished difference Result 14445 states and 28661 transitions. [2021-11-25 19:04:30,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:04:30,854 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:30,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:30,871 INFO L225 Difference]: With dead ends: 14445 [2021-11-25 19:04:30,871 INFO L226 Difference]: Without dead ends: 14445 [2021-11-25 19:04:30,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2021-11-25 19:04:30,872 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 767 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 3132 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 3268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 3132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:30,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 516 Invalid, 3268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 3132 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:04:30,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14445 states. [2021-11-25 19:04:30,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14445 to 5166. [2021-11-25 19:04:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5166 states, 5094 states have (on average 2.0159010600706715) internal successors, (10269), 5165 states have internal predecessors, (10269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:31,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 10269 transitions. [2021-11-25 19:04:31,012 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 10269 transitions. Word has length 24 [2021-11-25 19:04:31,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:31,012 INFO L470 AbstractCegarLoop]: Abstraction has 5166 states and 10269 transitions. [2021-11-25 19:04:31,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:31,013 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 10269 transitions. [2021-11-25 19:04:31,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:31,014 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:31,014 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:31,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-11-25 19:04:31,014 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:31,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:31,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1434788794, now seen corresponding path program 8 times [2021-11-25 19:04:31,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:31,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991460740] [2021-11-25 19:04:31,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:31,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:31,350 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:31,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991460740] [2021-11-25 19:04:31,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991460740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:31,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:31,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:04:31,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586647351] [2021-11-25 19:04:31,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:31,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:04:31,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:31,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:04:31,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:04:31,352 INFO L87 Difference]: Start difference. First operand 5166 states and 10269 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:33,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:33,723 INFO L93 Difference]: Finished difference Result 14407 states and 28589 transitions. [2021-11-25 19:04:33,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 19:04:33,723 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:33,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:33,740 INFO L225 Difference]: With dead ends: 14407 [2021-11-25 19:04:33,740 INFO L226 Difference]: Without dead ends: 14407 [2021-11-25 19:04:33,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=239, Invalid=517, Unknown=0, NotChecked=0, Total=756 [2021-11-25 19:04:33,741 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 769 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 2488 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 2488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:33,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [769 Valid, 521 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 2488 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 19:04:33,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14407 states. [2021-11-25 19:04:33,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14407 to 5158. [2021-11-25 19:04:33,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5158 states, 5086 states have (on average 2.015926071569013) internal successors, (10253), 5157 states have internal predecessors, (10253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 5158 states and 10253 transitions. [2021-11-25 19:04:33,841 INFO L78 Accepts]: Start accepts. Automaton has 5158 states and 10253 transitions. Word has length 24 [2021-11-25 19:04:33,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:33,841 INFO L470 AbstractCegarLoop]: Abstraction has 5158 states and 10253 transitions. [2021-11-25 19:04:33,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5158 states and 10253 transitions. [2021-11-25 19:04:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:33,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:33,842 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:33,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-11-25 19:04:33,842 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:33,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:33,843 INFO L85 PathProgramCache]: Analyzing trace with hash -292326494, now seen corresponding path program 9 times [2021-11-25 19:04:33,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:33,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520054975] [2021-11-25 19:04:33,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:33,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:34,063 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:34,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520054975] [2021-11-25 19:04:34,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520054975] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:34,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:34,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:04:34,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741863216] [2021-11-25 19:04:34,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:34,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:04:34,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:34,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:04:34,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:04:34,065 INFO L87 Difference]: Start difference. First operand 5158 states and 10253 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:36,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:36,923 INFO L93 Difference]: Finished difference Result 14425 states and 28625 transitions. [2021-11-25 19:04:36,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 19:04:36,923 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:36,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:36,940 INFO L225 Difference]: With dead ends: 14425 [2021-11-25 19:04:36,940 INFO L226 Difference]: Without dead ends: 14425 [2021-11-25 19:04:36,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=592, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:04:36,940 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 707 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 3348 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 3497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 3348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:36,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [707 Valid, 585 Invalid, 3497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 3348 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:04:36,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14425 states. [2021-11-25 19:04:37,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14425 to 5150. [2021-11-25 19:04:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5150 states, 5078 states have (on average 2.015951161874754) internal successors, (10237), 5149 states have internal predecessors, (10237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 10237 transitions. [2021-11-25 19:04:37,029 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 10237 transitions. Word has length 24 [2021-11-25 19:04:37,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:37,029 INFO L470 AbstractCegarLoop]: Abstraction has 5150 states and 10237 transitions. [2021-11-25 19:04:37,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:37,029 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 10237 transitions. [2021-11-25 19:04:37,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:37,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:37,030 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:37,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-11-25 19:04:37,030 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:37,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:37,031 INFO L85 PathProgramCache]: Analyzing trace with hash 117385458, now seen corresponding path program 10 times [2021-11-25 19:04:37,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:37,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732360245] [2021-11-25 19:04:37,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:37,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:37,263 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:37,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732360245] [2021-11-25 19:04:37,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732360245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:37,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:37,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:04:37,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428691173] [2021-11-25 19:04:37,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:37,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:04:37,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:37,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:04:37,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:04:37,264 INFO L87 Difference]: Start difference. First operand 5150 states and 10237 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:41,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:41,192 INFO L93 Difference]: Finished difference Result 14505 states and 28785 transitions. [2021-11-25 19:04:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-25 19:04:41,193 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:41,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:41,209 INFO L225 Difference]: With dead ends: 14505 [2021-11-25 19:04:41,210 INFO L226 Difference]: Without dead ends: 14505 [2021-11-25 19:04:41,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=468, Invalid=1092, Unknown=0, NotChecked=0, Total=1560 [2021-11-25 19:04:41,210 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 841 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 4129 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 4276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 4129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:41,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [841 Valid, 526 Invalid, 4276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 4129 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:04:41,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14505 states. [2021-11-25 19:04:41,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14505 to 5137. [2021-11-25 19:04:41,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 5065 states have (on average 2.0159921026653502) internal successors, (10211), 5136 states have internal predecessors, (10211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 10211 transitions. [2021-11-25 19:04:41,301 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 10211 transitions. Word has length 24 [2021-11-25 19:04:41,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:41,301 INFO L470 AbstractCegarLoop]: Abstraction has 5137 states and 10211 transitions. [2021-11-25 19:04:41,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 10211 transitions. [2021-11-25 19:04:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:41,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:41,302 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:41,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-11-25 19:04:41,302 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:41,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:41,303 INFO L85 PathProgramCache]: Analyzing trace with hash -834042363, now seen corresponding path program 16 times [2021-11-25 19:04:41,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:41,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505318359] [2021-11-25 19:04:41,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:41,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:41,645 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:41,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505318359] [2021-11-25 19:04:41,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505318359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:41,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:41,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:04:41,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872021530] [2021-11-25 19:04:41,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:41,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:04:41,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:41,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:04:41,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:04:41,646 INFO L87 Difference]: Start difference. First operand 5137 states and 10211 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:43,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:43,865 INFO L93 Difference]: Finished difference Result 14497 states and 28777 transitions. [2021-11-25 19:04:43,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 19:04:43,865 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:43,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:43,881 INFO L225 Difference]: With dead ends: 14497 [2021-11-25 19:04:43,881 INFO L226 Difference]: Without dead ends: 14497 [2021-11-25 19:04:43,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=679, Unknown=0, NotChecked=0, Total=930 [2021-11-25 19:04:43,883 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 876 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 2072 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 2190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:43,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [876 Valid, 661 Invalid, 2190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2072 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:04:43,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14497 states. [2021-11-25 19:04:43,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14497 to 5163. [2021-11-25 19:04:43,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5163 states, 5091 states have (on average 2.01591043017089) internal successors, (10263), 5162 states have internal predecessors, (10263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:43,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 5163 states and 10263 transitions. [2021-11-25 19:04:43,972 INFO L78 Accepts]: Start accepts. Automaton has 5163 states and 10263 transitions. Word has length 24 [2021-11-25 19:04:43,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:43,972 INFO L470 AbstractCegarLoop]: Abstraction has 5163 states and 10263 transitions. [2021-11-25 19:04:43,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5163 states and 10263 transitions. [2021-11-25 19:04:43,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:43,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:43,973 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:43,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-11-25 19:04:43,973 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:43,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:43,974 INFO L85 PathProgramCache]: Analyzing trace with hash -590919171, now seen corresponding path program 17 times [2021-11-25 19:04:43,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:43,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532246257] [2021-11-25 19:04:43,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:43,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:44,347 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:44,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532246257] [2021-11-25 19:04:44,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532246257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:44,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:44,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:04:44,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031519971] [2021-11-25 19:04:44,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:44,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:04:44,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:44,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:04:44,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:04:44,348 INFO L87 Difference]: Start difference. First operand 5163 states and 10263 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:47,579 INFO L93 Difference]: Finished difference Result 14502 states and 28787 transitions. [2021-11-25 19:04:47,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 19:04:47,579 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:47,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:47,596 INFO L225 Difference]: With dead ends: 14502 [2021-11-25 19:04:47,596 INFO L226 Difference]: Without dead ends: 14502 [2021-11-25 19:04:47,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=269, Invalid=723, Unknown=0, NotChecked=0, Total=992 [2021-11-25 19:04:47,596 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 845 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 3695 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 3797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 3695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:47,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [845 Valid, 711 Invalid, 3797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 3695 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 19:04:47,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14502 states. [2021-11-25 19:04:47,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14502 to 5164. [2021-11-25 19:04:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5164 states, 5092 states have (on average 2.015907305577376) internal successors, (10265), 5163 states have internal predecessors, (10265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:47,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 5164 states and 10265 transitions. [2021-11-25 19:04:47,704 INFO L78 Accepts]: Start accepts. Automaton has 5164 states and 10265 transitions. Word has length 24 [2021-11-25 19:04:47,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:47,705 INFO L470 AbstractCegarLoop]: Abstraction has 5164 states and 10265 transitions. [2021-11-25 19:04:47,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 5164 states and 10265 transitions. [2021-11-25 19:04:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:47,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:47,706 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:47,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-11-25 19:04:47,706 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:47,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:47,706 INFO L85 PathProgramCache]: Analyzing trace with hash -586257081, now seen corresponding path program 18 times [2021-11-25 19:04:47,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:47,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239990689] [2021-11-25 19:04:47,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:47,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:48,236 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:48,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239990689] [2021-11-25 19:04:48,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239990689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:48,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:48,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:04:48,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86096246] [2021-11-25 19:04:48,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:48,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:04:48,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:48,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:04:48,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:04:48,237 INFO L87 Difference]: Start difference. First operand 5164 states and 10265 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:52,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:52,500 INFO L93 Difference]: Finished difference Result 14510 states and 28803 transitions. [2021-11-25 19:04:52,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 19:04:52,501 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:52,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:52,517 INFO L225 Difference]: With dead ends: 14510 [2021-11-25 19:04:52,517 INFO L226 Difference]: Without dead ends: 14510 [2021-11-25 19:04:52,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=304, Invalid=752, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 19:04:52,518 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 874 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 4771 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 4887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 4771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:52,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [874 Valid, 747 Invalid, 4887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 4771 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-25 19:04:52,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14510 states. [2021-11-25 19:04:52,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14510 to 5151. [2021-11-25 19:04:52,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5151 states, 5079 states have (on average 2.015948021264028) internal successors, (10239), 5150 states have internal predecessors, (10239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 10239 transitions. [2021-11-25 19:04:52,623 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 10239 transitions. Word has length 24 [2021-11-25 19:04:52,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:52,623 INFO L470 AbstractCegarLoop]: Abstraction has 5151 states and 10239 transitions. [2021-11-25 19:04:52,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 10239 transitions. [2021-11-25 19:04:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:52,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:52,625 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:52,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-11-25 19:04:52,625 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:52,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:52,626 INFO L85 PathProgramCache]: Analyzing trace with hash -291648635, now seen corresponding path program 19 times [2021-11-25 19:04:52,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:52,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242549977] [2021-11-25 19:04:52,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:52,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:52,989 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:52,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242549977] [2021-11-25 19:04:52,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242549977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:52,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:52,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:04:52,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336912784] [2021-11-25 19:04:52,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:52,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:04:52,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:52,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:04:52,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:04:52,991 INFO L87 Difference]: Start difference. First operand 5151 states and 10239 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:56,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:56,510 INFO L93 Difference]: Finished difference Result 14508 states and 28799 transitions. [2021-11-25 19:04:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 19:04:56,510 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:04:56,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:56,527 INFO L225 Difference]: With dead ends: 14508 [2021-11-25 19:04:56,527 INFO L226 Difference]: Without dead ends: 14508 [2021-11-25 19:04:56,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2021-11-25 19:04:56,528 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 788 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 4167 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 4257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 4167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:56,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [788 Valid, 726 Invalid, 4257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 4167 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 19:04:56,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14508 states. [2021-11-25 19:04:56,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14508 to 5153. [2021-11-25 19:04:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5153 states, 5081 states have (on average 2.01594174375123) internal successors, (10243), 5152 states have internal predecessors, (10243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 5153 states and 10243 transitions. [2021-11-25 19:04:56,620 INFO L78 Accepts]: Start accepts. Automaton has 5153 states and 10243 transitions. Word has length 24 [2021-11-25 19:04:56,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:56,620 INFO L470 AbstractCegarLoop]: Abstraction has 5153 states and 10243 transitions. [2021-11-25 19:04:56,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:04:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 5153 states and 10243 transitions. [2021-11-25 19:04:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:04:56,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:56,621 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:56,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-11-25 19:04:56,622 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:04:56,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:56,622 INFO L85 PathProgramCache]: Analyzing trace with hash -286986545, now seen corresponding path program 20 times [2021-11-25 19:04:56,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:56,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677187570] [2021-11-25 19:04:56,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:56,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:04:57,110 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:57,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677187570] [2021-11-25 19:04:57,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677187570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:57,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:57,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:04:57,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591594688] [2021-11-25 19:04:57,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:57,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:04:57,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:57,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:04:57,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:04:57,111 INFO L87 Difference]: Start difference. First operand 5153 states and 10243 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:01,024 INFO L93 Difference]: Finished difference Result 14517 states and 28817 transitions. [2021-11-25 19:05:01,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-25 19:05:01,024 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:01,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:01,041 INFO L225 Difference]: With dead ends: 14517 [2021-11-25 19:05:01,041 INFO L226 Difference]: Without dead ends: 14517 [2021-11-25 19:05:01,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=320, Invalid=802, Unknown=0, NotChecked=0, Total=1122 [2021-11-25 19:05:01,042 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 845 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 4250 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 4366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 4250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:01,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [845 Valid, 731 Invalid, 4366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-25 19:05:01,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14517 states. [2021-11-25 19:05:01,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14517 to 5152. [2021-11-25 19:05:01,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5152 states, 5080 states have (on average 2.0159448818897636) internal successors, (10241), 5151 states have internal predecessors, (10241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 10241 transitions. [2021-11-25 19:05:01,133 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 10241 transitions. Word has length 24 [2021-11-25 19:05:01,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:01,133 INFO L470 AbstractCegarLoop]: Abstraction has 5152 states and 10241 transitions. [2021-11-25 19:05:01,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 10241 transitions. [2021-11-25 19:05:01,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:01,135 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:01,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:01,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-11-25 19:05:01,135 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:01,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:01,135 INFO L85 PathProgramCache]: Analyzing trace with hash -141539195, now seen corresponding path program 21 times [2021-11-25 19:05:01,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:01,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149687261] [2021-11-25 19:05:01,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:01,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:01,456 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:01,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149687261] [2021-11-25 19:05:01,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149687261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:01,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:01,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:05:01,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937344356] [2021-11-25 19:05:01,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:01,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:05:01,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:01,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:05:01,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:05:01,458 INFO L87 Difference]: Start difference. First operand 5152 states and 10241 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:05,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:05,636 INFO L93 Difference]: Finished difference Result 14523 states and 28829 transitions. [2021-11-25 19:05:05,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 19:05:05,637 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:05,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:05,654 INFO L225 Difference]: With dead ends: 14523 [2021-11-25 19:05:05,654 INFO L226 Difference]: Without dead ends: 14523 [2021-11-25 19:05:05,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=356, Invalid=834, Unknown=0, NotChecked=0, Total=1190 [2021-11-25 19:05:05,655 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 846 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 5230 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 5333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 5230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:05,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [846 Valid, 759 Invalid, 5333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 5230 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-25 19:05:05,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14523 states. [2021-11-25 19:05:05,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14523 to 5139. [2021-11-25 19:05:05,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5139 states, 5067 states have (on average 2.015985790408526) internal successors, (10215), 5138 states have internal predecessors, (10215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:05,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 10215 transitions. [2021-11-25 19:05:05,781 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 10215 transitions. Word has length 24 [2021-11-25 19:05:05,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:05,781 INFO L470 AbstractCegarLoop]: Abstraction has 5139 states and 10215 transitions. [2021-11-25 19:05:05,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 10215 transitions. [2021-11-25 19:05:05,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:05,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:05,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:05,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-11-25 19:05:05,783 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:05,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:05,783 INFO L85 PathProgramCache]: Analyzing trace with hash -629898115, now seen corresponding path program 22 times [2021-11-25 19:05:05,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:05,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095148427] [2021-11-25 19:05:05,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:05,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:06,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:06,033 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:06,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095148427] [2021-11-25 19:05:06,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095148427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:06,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:06,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:05:06,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316652513] [2021-11-25 19:05:06,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:06,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:05:06,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:06,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:05:06,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:05:06,035 INFO L87 Difference]: Start difference. First operand 5139 states and 10215 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:08,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:08,829 INFO L93 Difference]: Finished difference Result 14504 states and 28791 transitions. [2021-11-25 19:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 19:05:08,829 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:08,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:08,847 INFO L225 Difference]: With dead ends: 14504 [2021-11-25 19:05:08,847 INFO L226 Difference]: Without dead ends: 14504 [2021-11-25 19:05:08,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=234, Invalid=636, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:05:08,848 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 761 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 3301 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 3388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:08,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 700 Invalid, 3388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3301 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:05:08,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14504 states. [2021-11-25 19:05:08,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14504 to 5142. [2021-11-25 19:05:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5142 states, 5070 states have (on average 2.015976331360947) internal successors, (10221), 5141 states have internal predecessors, (10221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 10221 transitions. [2021-11-25 19:05:08,940 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 10221 transitions. Word has length 24 [2021-11-25 19:05:08,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:08,940 INFO L470 AbstractCegarLoop]: Abstraction has 5142 states and 10221 transitions. [2021-11-25 19:05:08,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:08,941 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 10221 transitions. [2021-11-25 19:05:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:08,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:08,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:08,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-11-25 19:05:08,942 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:08,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:08,942 INFO L85 PathProgramCache]: Analyzing trace with hash -625236025, now seen corresponding path program 23 times [2021-11-25 19:05:08,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:08,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095689475] [2021-11-25 19:05:08,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:08,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:09,217 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:09,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095689475] [2021-11-25 19:05:09,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095689475] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:09,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:09,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:05:09,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659971728] [2021-11-25 19:05:09,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:09,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:05:09,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:09,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:05:09,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:05:09,218 INFO L87 Difference]: Start difference. First operand 5142 states and 10221 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:12,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:12,061 INFO L93 Difference]: Finished difference Result 14517 states and 28817 transitions. [2021-11-25 19:05:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 19:05:12,062 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:12,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:12,079 INFO L225 Difference]: With dead ends: 14517 [2021-11-25 19:05:12,079 INFO L226 Difference]: Without dead ends: 14517 [2021-11-25 19:05:12,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2021-11-25 19:05:12,080 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 845 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 3390 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 3508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:12,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [845 Valid, 706 Invalid, 3508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 3390 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:05:12,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14517 states. [2021-11-25 19:05:12,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14517 to 5141. [2021-11-25 19:05:12,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5141 states, 5069 states have (on average 2.0159794831327678) internal successors, (10219), 5140 states have internal predecessors, (10219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 10219 transitions. [2021-11-25 19:05:12,172 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 10219 transitions. Word has length 24 [2021-11-25 19:05:12,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:12,173 INFO L470 AbstractCegarLoop]: Abstraction has 5141 states and 10219 transitions. [2021-11-25 19:05:12,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 10219 transitions. [2021-11-25 19:05:12,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:12,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:12,174 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:12,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-11-25 19:05:12,175 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:12,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:12,175 INFO L85 PathProgramCache]: Analyzing trace with hash -479788675, now seen corresponding path program 24 times [2021-11-25 19:05:12,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:12,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94136276] [2021-11-25 19:05:12,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:12,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:12,622 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:12,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94136276] [2021-11-25 19:05:12,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94136276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:12,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:12,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:05:12,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086285314] [2021-11-25 19:05:12,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:12,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:05:12,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:12,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:05:12,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:05:12,623 INFO L87 Difference]: Start difference. First operand 5141 states and 10219 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:16,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:16,731 INFO L93 Difference]: Finished difference Result 14524 states and 28831 transitions. [2021-11-25 19:05:16,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 19:05:16,731 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:16,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:16,748 INFO L225 Difference]: With dead ends: 14524 [2021-11-25 19:05:16,748 INFO L226 Difference]: Without dead ends: 14524 [2021-11-25 19:05:16,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=370, Invalid=890, Unknown=0, NotChecked=0, Total=1260 [2021-11-25 19:05:16,750 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 847 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 4668 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 4783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 4668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:16,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 741 Invalid, 4783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 4668 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 19:05:16,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14524 states. [2021-11-25 19:05:16,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14524 to 5140. [2021-11-25 19:05:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5140 states, 5068 states have (on average 2.015982636148382) internal successors, (10217), 5139 states have internal predecessors, (10217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5140 states to 5140 states and 10217 transitions. [2021-11-25 19:05:16,873 INFO L78 Accepts]: Start accepts. Automaton has 5140 states and 10217 transitions. Word has length 24 [2021-11-25 19:05:16,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:16,874 INFO L470 AbstractCegarLoop]: Abstraction has 5140 states and 10217 transitions. [2021-11-25 19:05:16,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:16,874 INFO L276 IsEmpty]: Start isEmpty. Operand 5140 states and 10217 transitions. [2021-11-25 19:05:16,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:16,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:16,875 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:16,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-11-25 19:05:16,875 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:16,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:16,875 INFO L85 PathProgramCache]: Analyzing trace with hash -237288761, now seen corresponding path program 25 times [2021-11-25 19:05:16,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:16,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853924803] [2021-11-25 19:05:16,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:16,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:17,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:17,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853924803] [2021-11-25 19:05:17,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853924803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:17,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:17,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:05:17,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428346971] [2021-11-25 19:05:17,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:17,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:05:17,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:05:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:05:17,098 INFO L87 Difference]: Start difference. First operand 5140 states and 10217 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:21,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:21,208 INFO L93 Difference]: Finished difference Result 14776 states and 29331 transitions. [2021-11-25 19:05:21,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-25 19:05:21,208 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:21,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:21,225 INFO L225 Difference]: With dead ends: 14776 [2021-11-25 19:05:21,225 INFO L226 Difference]: Without dead ends: 14776 [2021-11-25 19:05:21,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=596, Invalid=1474, Unknown=0, NotChecked=0, Total=2070 [2021-11-25 19:05:21,225 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 941 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 4982 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 5139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 4982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:21,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [941 Valid, 745 Invalid, 5139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 4982 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-25 19:05:21,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14776 states. [2021-11-25 19:05:21,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14776 to 5117. [2021-11-25 19:05:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5117 states, 5045 states have (on average 2.0160555004955403) internal successors, (10171), 5116 states have internal predecessors, (10171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5117 states to 5117 states and 10171 transitions. [2021-11-25 19:05:21,314 INFO L78 Accepts]: Start accepts. Automaton has 5117 states and 10171 transitions. Word has length 24 [2021-11-25 19:05:21,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:21,314 INFO L470 AbstractCegarLoop]: Abstraction has 5117 states and 10171 transitions. [2021-11-25 19:05:21,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 5117 states and 10171 transitions. [2021-11-25 19:05:21,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:21,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:21,315 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:21,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-11-25 19:05:21,315 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:21,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:21,315 INFO L85 PathProgramCache]: Analyzing trace with hash -179260803, now seen corresponding path program 26 times [2021-11-25 19:05:21,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:21,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31568398] [2021-11-25 19:05:21,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:21,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:21,586 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:21,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31568398] [2021-11-25 19:05:21,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31568398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:21,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:21,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:05:21,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505248654] [2021-11-25 19:05:21,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:21,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:05:21,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:21,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:05:21,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:05:21,588 INFO L87 Difference]: Start difference. First operand 5117 states and 10171 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:24,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:24,627 INFO L93 Difference]: Finished difference Result 12481 states and 24724 transitions. [2021-11-25 19:05:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 19:05:24,628 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:24,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:24,642 INFO L225 Difference]: With dead ends: 12481 [2021-11-25 19:05:24,642 INFO L226 Difference]: Without dead ends: 12481 [2021-11-25 19:05:24,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=245, Invalid=625, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:05:24,642 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 865 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 3093 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 3138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 3093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:24,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [865 Valid, 716 Invalid, 3138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 3093 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 19:05:24,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12481 states. [2021-11-25 19:05:24,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12481 to 5128. [2021-11-25 19:05:24,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5128 states, 5056 states have (on average 2.0160205696202533) internal successors, (10193), 5127 states have internal predecessors, (10193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 10193 transitions. [2021-11-25 19:05:24,745 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 10193 transitions. Word has length 24 [2021-11-25 19:05:24,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:24,746 INFO L470 AbstractCegarLoop]: Abstraction has 5128 states and 10193 transitions. [2021-11-25 19:05:24,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:24,746 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 10193 transitions. [2021-11-25 19:05:24,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:24,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:24,747 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:24,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-11-25 19:05:24,747 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:24,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:24,747 INFO L85 PathProgramCache]: Analyzing trace with hash -174598713, now seen corresponding path program 27 times [2021-11-25 19:05:24,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:24,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894883293] [2021-11-25 19:05:24,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:24,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:24,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:24,988 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:24,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894883293] [2021-11-25 19:05:24,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894883293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:24,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:24,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:05:24,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980204356] [2021-11-25 19:05:24,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:24,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:05:24,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:24,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:05:24,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:05:24,990 INFO L87 Difference]: Start difference. First operand 5128 states and 10193 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:27,298 INFO L93 Difference]: Finished difference Result 12505 states and 24772 transitions. [2021-11-25 19:05:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 19:05:27,298 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:27,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:27,314 INFO L225 Difference]: With dead ends: 12505 [2021-11-25 19:05:27,314 INFO L226 Difference]: Without dead ends: 12505 [2021-11-25 19:05:27,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=271, Invalid=659, Unknown=0, NotChecked=0, Total=930 [2021-11-25 19:05:27,315 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 949 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 2044 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:27,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [949 Valid, 680 Invalid, 2109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2044 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:05:27,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12505 states. [2021-11-25 19:05:27,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12505 to 5136. [2021-11-25 19:05:27,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5136 states, 5064 states have (on average 2.015995260663507) internal successors, (10209), 5135 states have internal predecessors, (10209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:27,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5136 states to 5136 states and 10209 transitions. [2021-11-25 19:05:27,468 INFO L78 Accepts]: Start accepts. Automaton has 5136 states and 10209 transitions. Word has length 24 [2021-11-25 19:05:27,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:27,468 INFO L470 AbstractCegarLoop]: Abstraction has 5136 states and 10209 transitions. [2021-11-25 19:05:27,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 5136 states and 10209 transitions. [2021-11-25 19:05:27,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:27,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:27,469 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:27,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-11-25 19:05:27,470 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:27,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:27,470 INFO L85 PathProgramCache]: Analyzing trace with hash -29151363, now seen corresponding path program 28 times [2021-11-25 19:05:27,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:27,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601165635] [2021-11-25 19:05:27,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:27,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:27,624 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:27,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601165635] [2021-11-25 19:05:27,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601165635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:27,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:27,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:05:27,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250115038] [2021-11-25 19:05:27,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:27,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:05:27,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:27,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:05:27,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:05:27,625 INFO L87 Difference]: Start difference. First operand 5136 states and 10209 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:29,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:29,705 INFO L93 Difference]: Finished difference Result 12529 states and 24820 transitions. [2021-11-25 19:05:29,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-25 19:05:29,706 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:29,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:29,722 INFO L225 Difference]: With dead ends: 12529 [2021-11-25 19:05:29,722 INFO L226 Difference]: Without dead ends: 12529 [2021-11-25 19:05:29,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2021-11-25 19:05:29,722 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 977 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 2075 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:29,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [977 Valid, 682 Invalid, 2140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2075 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:05:29,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12529 states. [2021-11-25 19:05:29,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12529 to 5144. [2021-11-25 19:05:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 5072 states have (on average 2.0159700315457414) internal successors, (10225), 5143 states have internal predecessors, (10225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:29,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 10225 transitions. [2021-11-25 19:05:29,811 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 10225 transitions. Word has length 24 [2021-11-25 19:05:29,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:29,811 INFO L470 AbstractCegarLoop]: Abstraction has 5144 states and 10225 transitions. [2021-11-25 19:05:29,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:29,811 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 10225 transitions. [2021-11-25 19:05:29,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:29,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:29,812 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:29,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-11-25 19:05:29,813 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:29,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:29,813 INFO L85 PathProgramCache]: Analyzing trace with hash 213348551, now seen corresponding path program 29 times [2021-11-25 19:05:29,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:29,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862510184] [2021-11-25 19:05:29,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:29,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:29,998 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:29,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862510184] [2021-11-25 19:05:29,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862510184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:29,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:29,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:05:29,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229057819] [2021-11-25 19:05:29,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:29,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:05:29,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:29,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:05:29,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:05:29,999 INFO L87 Difference]: Start difference. First operand 5144 states and 10225 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:33,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:33,746 INFO L93 Difference]: Finished difference Result 12757 states and 25276 transitions. [2021-11-25 19:05:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-25 19:05:33,746 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:33,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:33,762 INFO L225 Difference]: With dead ends: 12757 [2021-11-25 19:05:33,763 INFO L226 Difference]: Without dead ends: 12757 [2021-11-25 19:05:33,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=569, Invalid=1411, Unknown=0, NotChecked=0, Total=1980 [2021-11-25 19:05:33,766 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 960 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 3830 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 3915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 3830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:33,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [960 Valid, 730 Invalid, 3915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 3830 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 19:05:33,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12757 states. [2021-11-25 19:05:33,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12757 to 5152. [2021-11-25 19:05:33,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5152 states, 5080 states have (on average 2.0159448818897636) internal successors, (10241), 5151 states have internal predecessors, (10241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 10241 transitions. [2021-11-25 19:05:33,855 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 10241 transitions. Word has length 24 [2021-11-25 19:05:33,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:33,856 INFO L470 AbstractCegarLoop]: Abstraction has 5152 states and 10241 transitions. [2021-11-25 19:05:33,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 10241 transitions. [2021-11-25 19:05:33,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:33,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:33,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:33,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-11-25 19:05:33,857 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:33,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:33,857 INFO L85 PathProgramCache]: Analyzing trace with hash 590691141, now seen corresponding path program 2 times [2021-11-25 19:05:33,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:33,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608178212] [2021-11-25 19:05:33,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:33,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:34,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:34,028 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:34,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608178212] [2021-11-25 19:05:34,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608178212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:34,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:34,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:05:34,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605389469] [2021-11-25 19:05:34,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:34,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:05:34,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:34,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:05:34,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:05:34,029 INFO L87 Difference]: Start difference. First operand 5152 states and 10241 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:37,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:37,274 INFO L93 Difference]: Finished difference Result 16348 states and 32393 transitions. [2021-11-25 19:05:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-25 19:05:37,274 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:37,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:37,294 INFO L225 Difference]: With dead ends: 16348 [2021-11-25 19:05:37,295 INFO L226 Difference]: Without dead ends: 16348 [2021-11-25 19:05:37,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=429, Invalid=1053, Unknown=0, NotChecked=0, Total=1482 [2021-11-25 19:05:37,295 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 1224 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 3137 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 3301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 3137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:37,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1224 Valid, 879 Invalid, 3301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 3137 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:05:37,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2021-11-25 19:05:37,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 5136. [2021-11-25 19:05:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5136 states, 5064 states have (on average 2.015995260663507) internal successors, (10209), 5135 states have internal predecessors, (10209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:37,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5136 states to 5136 states and 10209 transitions. [2021-11-25 19:05:37,396 INFO L78 Accepts]: Start accepts. Automaton has 5136 states and 10209 transitions. Word has length 24 [2021-11-25 19:05:37,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:37,397 INFO L470 AbstractCegarLoop]: Abstraction has 5136 states and 10209 transitions. [2021-11-25 19:05:37,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 5136 states and 10209 transitions. [2021-11-25 19:05:37,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:37,397 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:37,398 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:37,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-11-25 19:05:37,398 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:37,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:37,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1927529735, now seen corresponding path program 30 times [2021-11-25 19:05:37,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:37,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842002339] [2021-11-25 19:05:37,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:37,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:37,566 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:37,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842002339] [2021-11-25 19:05:37,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842002339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:37,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:37,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:05:37,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354771888] [2021-11-25 19:05:37,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:37,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:05:37,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:37,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:05:37,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:05:37,568 INFO L87 Difference]: Start difference. First operand 5136 states and 10209 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:41,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:41,511 INFO L93 Difference]: Finished difference Result 16269 states and 32243 transitions. [2021-11-25 19:05:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-25 19:05:41,511 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:41,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:41,531 INFO L225 Difference]: With dead ends: 16269 [2021-11-25 19:05:41,531 INFO L226 Difference]: Without dead ends: 16269 [2021-11-25 19:05:41,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=685, Invalid=1865, Unknown=0, NotChecked=0, Total=2550 [2021-11-25 19:05:41,532 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 1209 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 4404 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 4505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 4404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:41,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1209 Valid, 928 Invalid, 4505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 4404 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 19:05:41,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16269 states. [2021-11-25 19:05:41,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16269 to 5179. [2021-11-25 19:05:41,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5179 states, 5107 states have (on average 2.0176228705698063) internal successors, (10304), 5178 states have internal predecessors, (10304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5179 states to 5179 states and 10304 transitions. [2021-11-25 19:05:41,633 INFO L78 Accepts]: Start accepts. Automaton has 5179 states and 10304 transitions. Word has length 24 [2021-11-25 19:05:41,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:41,633 INFO L470 AbstractCegarLoop]: Abstraction has 5179 states and 10304 transitions. [2021-11-25 19:05:41,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 5179 states and 10304 transitions. [2021-11-25 19:05:41,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:41,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:41,634 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:41,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-11-25 19:05:41,634 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:41,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:41,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1575035977, now seen corresponding path program 3 times [2021-11-25 19:05:41,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:41,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138140627] [2021-11-25 19:05:41,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:41,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:41,805 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:41,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138140627] [2021-11-25 19:05:41,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138140627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:41,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:41,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:05:41,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854545791] [2021-11-25 19:05:41,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:41,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:05:41,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:41,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:05:41,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:05:41,807 INFO L87 Difference]: Start difference. First operand 5179 states and 10304 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:44,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:44,292 INFO L93 Difference]: Finished difference Result 12626 states and 25018 transitions. [2021-11-25 19:05:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 19:05:44,293 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:44,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:44,309 INFO L225 Difference]: With dead ends: 12626 [2021-11-25 19:05:44,310 INFO L226 Difference]: Without dead ends: 12626 [2021-11-25 19:05:44,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=324, Invalid=798, Unknown=0, NotChecked=0, Total=1122 [2021-11-25 19:05:44,310 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 1119 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 2520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:44,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1119 Valid, 834 Invalid, 2520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 19:05:44,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12626 states. [2021-11-25 19:05:44,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12626 to 5201. [2021-11-25 19:05:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5201 states, 5129 states have (on average 2.0175472801715735) internal successors, (10348), 5200 states have internal predecessors, (10348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 5201 states and 10348 transitions. [2021-11-25 19:05:44,402 INFO L78 Accepts]: Start accepts. Automaton has 5201 states and 10348 transitions. Word has length 24 [2021-11-25 19:05:44,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:44,402 INFO L470 AbstractCegarLoop]: Abstraction has 5201 states and 10348 transitions. [2021-11-25 19:05:44,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:44,402 INFO L276 IsEmpty]: Start isEmpty. Operand 5201 states and 10348 transitions. [2021-11-25 19:05:44,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:44,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:44,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:44,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-11-25 19:05:44,403 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:44,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:44,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1383092725, now seen corresponding path program 31 times [2021-11-25 19:05:44,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:44,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740844184] [2021-11-25 19:05:44,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:44,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:44,540 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:44,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740844184] [2021-11-25 19:05:44,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740844184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:44,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:44,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:05:44,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618786689] [2021-11-25 19:05:44,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:44,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:05:44,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:44,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:05:44,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:05:44,541 INFO L87 Difference]: Start difference. First operand 5201 states and 10348 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:48,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:48,211 INFO L93 Difference]: Finished difference Result 12603 states and 24978 transitions. [2021-11-25 19:05:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-25 19:05:48,211 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:48,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:48,228 INFO L225 Difference]: With dead ends: 12603 [2021-11-25 19:05:48,228 INFO L226 Difference]: Without dead ends: 12603 [2021-11-25 19:05:48,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=560, Invalid=1510, Unknown=0, NotChecked=0, Total=2070 [2021-11-25 19:05:48,228 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1099 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 4082 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 4176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 4082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:48,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1099 Valid, 873 Invalid, 4176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 4082 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:05:48,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12603 states. [2021-11-25 19:05:48,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12603 to 5195. [2021-11-25 19:05:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5195 states, 5123 states have (on average 2.017763029474917) internal successors, (10337), 5194 states have internal predecessors, (10337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 5195 states and 10337 transitions. [2021-11-25 19:05:48,318 INFO L78 Accepts]: Start accepts. Automaton has 5195 states and 10337 transitions. Word has length 24 [2021-11-25 19:05:48,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:48,318 INFO L470 AbstractCegarLoop]: Abstraction has 5195 states and 10337 transitions. [2021-11-25 19:05:48,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 5195 states and 10337 transitions. [2021-11-25 19:05:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:48,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:48,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:48,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-11-25 19:05:48,319 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:48,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:48,320 INFO L85 PathProgramCache]: Analyzing trace with hash -25697190, now seen corresponding path program 11 times [2021-11-25 19:05:48,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:48,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344367040] [2021-11-25 19:05:48,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:48,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:48,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:48,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344367040] [2021-11-25 19:05:48,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344367040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:48,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:48,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:05:48,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155089659] [2021-11-25 19:05:48,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:48,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:05:48,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:48,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:05:48,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:05:48,670 INFO L87 Difference]: Start difference. First operand 5195 states and 10337 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:51,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:51,882 INFO L93 Difference]: Finished difference Result 9825 states and 19511 transitions. [2021-11-25 19:05:51,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 19:05:51,883 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:51,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:51,894 INFO L225 Difference]: With dead ends: 9825 [2021-11-25 19:05:51,894 INFO L226 Difference]: Without dead ends: 9825 [2021-11-25 19:05:51,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2021-11-25 19:05:51,895 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 780 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 3345 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 3435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 3345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:51,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [780 Valid, 526 Invalid, 3435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 3345 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:05:51,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9825 states. [2021-11-25 19:05:51,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9825 to 5187. [2021-11-25 19:05:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5187 states, 5115 states have (on average 2.0177908113391982) internal successors, (10321), 5186 states have internal predecessors, (10321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 5187 states and 10321 transitions. [2021-11-25 19:05:51,976 INFO L78 Accepts]: Start accepts. Automaton has 5187 states and 10321 transitions. Word has length 24 [2021-11-25 19:05:51,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:51,976 INFO L470 AbstractCegarLoop]: Abstraction has 5187 states and 10321 transitions. [2021-11-25 19:05:51,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5187 states and 10321 transitions. [2021-11-25 19:05:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:51,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:51,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:51,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-11-25 19:05:51,977 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:51,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:51,978 INFO L85 PathProgramCache]: Analyzing trace with hash 218795160, now seen corresponding path program 12 times [2021-11-25 19:05:51,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:51,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6317228] [2021-11-25 19:05:51,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:51,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:52,187 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:52,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6317228] [2021-11-25 19:05:52,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6317228] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:52,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:52,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:05:52,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320788936] [2021-11-25 19:05:52,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:52,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:05:52,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:52,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:05:52,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:05:52,189 INFO L87 Difference]: Start difference. First operand 5187 states and 10321 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:55,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:55,718 INFO L93 Difference]: Finished difference Result 9843 states and 19547 transitions. [2021-11-25 19:05:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 19:05:55,719 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:55,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:55,730 INFO L225 Difference]: With dead ends: 9843 [2021-11-25 19:05:55,730 INFO L226 Difference]: Without dead ends: 9843 [2021-11-25 19:05:55,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=317, Invalid=739, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 19:05:55,730 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 779 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 4140 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 4224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 4140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:55,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [779 Valid, 546 Invalid, 4224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 4140 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:05:55,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9843 states. [2021-11-25 19:05:55,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9843 to 5179. [2021-11-25 19:05:55,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5179 states, 5107 states have (on average 2.017818680242804) internal successors, (10305), 5178 states have internal predecessors, (10305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5179 states to 5179 states and 10305 transitions. [2021-11-25 19:05:55,805 INFO L78 Accepts]: Start accepts. Automaton has 5179 states and 10305 transitions. Word has length 24 [2021-11-25 19:05:55,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:55,805 INFO L470 AbstractCegarLoop]: Abstraction has 5179 states and 10305 transitions. [2021-11-25 19:05:55,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:55,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5179 states and 10305 transitions. [2021-11-25 19:05:55,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:55,806 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:55,806 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:55,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-11-25 19:05:55,806 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:55,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:55,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1508320128, now seen corresponding path program 13 times [2021-11-25 19:05:55,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:55,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617421734] [2021-11-25 19:05:55,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:55,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:56,041 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:56,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617421734] [2021-11-25 19:05:56,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617421734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:56,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:56,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:05:56,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638746123] [2021-11-25 19:05:56,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:56,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:05:56,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:56,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:05:56,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:05:56,042 INFO L87 Difference]: Start difference. First operand 5179 states and 10305 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:58,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:58,838 INFO L93 Difference]: Finished difference Result 9861 states and 19583 transitions. [2021-11-25 19:05:58,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-25 19:05:58,839 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:05:58,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:58,850 INFO L225 Difference]: With dead ends: 9861 [2021-11-25 19:05:58,850 INFO L226 Difference]: Without dead ends: 9861 [2021-11-25 19:05:58,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=359, Invalid=831, Unknown=0, NotChecked=0, Total=1190 [2021-11-25 19:05:58,851 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 779 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 3052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:58,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [779 Valid, 514 Invalid, 3052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2955 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 19:05:58,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9861 states. [2021-11-25 19:05:58,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9861 to 5171. [2021-11-25 19:05:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5171 states, 5099 states have (on average 2.017846636595411) internal successors, (10289), 5170 states have internal predecessors, (10289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5171 states to 5171 states and 10289 transitions. [2021-11-25 19:05:58,928 INFO L78 Accepts]: Start accepts. Automaton has 5171 states and 10289 transitions. Word has length 24 [2021-11-25 19:05:58,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:58,928 INFO L470 AbstractCegarLoop]: Abstraction has 5171 states and 10289 transitions. [2021-11-25 19:05:58,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:05:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5171 states and 10289 transitions. [2021-11-25 19:05:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:05:58,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:58,929 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:58,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-11-25 19:05:58,929 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:05:58,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:58,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1098608176, now seen corresponding path program 14 times [2021-11-25 19:05:58,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:58,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231422188] [2021-11-25 19:05:58,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:58,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:05:59,167 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:59,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231422188] [2021-11-25 19:05:59,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231422188] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:59,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:59,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:05:59,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314643046] [2021-11-25 19:05:59,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:59,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:05:59,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:59,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:05:59,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:05:59,170 INFO L87 Difference]: Start difference. First operand 5171 states and 10289 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:01,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:01,200 INFO L93 Difference]: Finished difference Result 9845 states and 19551 transitions. [2021-11-25 19:06:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 19:06:01,200 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:01,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:01,212 INFO L225 Difference]: With dead ends: 9845 [2021-11-25 19:06:01,212 INFO L226 Difference]: Without dead ends: 9845 [2021-11-25 19:06:01,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=401, Invalid=931, Unknown=0, NotChecked=0, Total=1332 [2021-11-25 19:06:01,213 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 799 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 2175 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 2293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:01,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [799 Valid, 502 Invalid, 2293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2175 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 19:06:01,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9845 states. [2021-11-25 19:06:01,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9845 to 5129. [2021-11-25 19:06:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5129 states, 5057 states have (on average 2.017994858611825) internal successors, (10205), 5128 states have internal predecessors, (10205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5129 states to 5129 states and 10205 transitions. [2021-11-25 19:06:01,290 INFO L78 Accepts]: Start accepts. Automaton has 5129 states and 10205 transitions. Word has length 24 [2021-11-25 19:06:01,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:01,290 INFO L470 AbstractCegarLoop]: Abstraction has 5129 states and 10205 transitions. [2021-11-25 19:06:01,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 5129 states and 10205 transitions. [2021-11-25 19:06:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:01,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:01,291 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:01,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-11-25 19:06:01,291 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:01,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:01,291 INFO L85 PathProgramCache]: Analyzing trace with hash -2050035997, now seen corresponding path program 32 times [2021-11-25 19:06:01,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:01,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048649453] [2021-11-25 19:06:01,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:01,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:01,870 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:01,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048649453] [2021-11-25 19:06:01,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048649453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:01,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:01,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:01,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323583336] [2021-11-25 19:06:01,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:01,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:01,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:01,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:01,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:01,871 INFO L87 Difference]: Start difference. First operand 5129 states and 10205 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:04,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:04,328 INFO L93 Difference]: Finished difference Result 8191 states and 16275 transitions. [2021-11-25 19:06:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:06:04,329 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:04,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:04,337 INFO L225 Difference]: With dead ends: 8191 [2021-11-25 19:06:04,337 INFO L226 Difference]: Without dead ends: 8191 [2021-11-25 19:06:04,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2021-11-25 19:06:04,338 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 543 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:04,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [543 Valid, 477 Invalid, 2419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 19:06:04,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8191 states. [2021-11-25 19:06:04,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8191 to 5118. [2021-11-25 19:06:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 5046 states have (on average 2.0180340864050734) internal successors, (10183), 5117 states have internal predecessors, (10183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:04,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 10183 transitions. [2021-11-25 19:06:04,405 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 10183 transitions. Word has length 24 [2021-11-25 19:06:04,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:04,405 INFO L470 AbstractCegarLoop]: Abstraction has 5118 states and 10183 transitions. [2021-11-25 19:06:04,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 10183 transitions. [2021-11-25 19:06:04,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:04,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:04,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:04,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-11-25 19:06:04,406 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:04,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:04,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1806912805, now seen corresponding path program 33 times [2021-11-25 19:06:04,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:04,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083057204] [2021-11-25 19:06:04,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:04,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:05,078 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:05,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083057204] [2021-11-25 19:06:05,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083057204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:05,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:05,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:05,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924878036] [2021-11-25 19:06:05,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:05,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:05,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:05,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:05,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:05,079 INFO L87 Difference]: Start difference. First operand 5118 states and 10183 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:09,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:09,351 INFO L93 Difference]: Finished difference Result 9802 states and 19473 transitions. [2021-11-25 19:06:09,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-25 19:06:09,352 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:09,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:09,362 INFO L225 Difference]: With dead ends: 9802 [2021-11-25 19:06:09,362 INFO L226 Difference]: Without dead ends: 9802 [2021-11-25 19:06:09,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=353, Invalid=907, Unknown=0, NotChecked=0, Total=1260 [2021-11-25 19:06:09,362 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 767 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 4409 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 4531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 4409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:09,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 689 Invalid, 4531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 4409 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 19:06:09,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9802 states. [2021-11-25 19:06:09,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9802 to 5119. [2021-11-25 19:06:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5119 states, 5047 states have (on average 2.0180305131761442) internal successors, (10185), 5118 states have internal predecessors, (10185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 10185 transitions. [2021-11-25 19:06:09,436 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 10185 transitions. Word has length 24 [2021-11-25 19:06:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:09,436 INFO L470 AbstractCegarLoop]: Abstraction has 5119 states and 10185 transitions. [2021-11-25 19:06:09,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 10185 transitions. [2021-11-25 19:06:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:09,437 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:09,437 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:09,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-11-25 19:06:09,438 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:09,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1802250715, now seen corresponding path program 34 times [2021-11-25 19:06:09,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:09,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885085926] [2021-11-25 19:06:09,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:09,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:09,851 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:09,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885085926] [2021-11-25 19:06:09,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885085926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:09,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:09,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:09,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617076314] [2021-11-25 19:06:09,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:09,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:09,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:09,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:09,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:09,852 INFO L87 Difference]: Start difference. First operand 5119 states and 10185 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:13,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:13,274 INFO L93 Difference]: Finished difference Result 9786 states and 19441 transitions. [2021-11-25 19:06:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 19:06:13,274 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:13,286 INFO L225 Difference]: With dead ends: 9786 [2021-11-25 19:06:13,286 INFO L226 Difference]: Without dead ends: 9786 [2021-11-25 19:06:13,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2021-11-25 19:06:13,286 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 645 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 3914 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 4055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 3914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:13,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [645 Valid, 648 Invalid, 4055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 3914 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:06:13,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9786 states. [2021-11-25 19:06:13,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9786 to 5107. [2021-11-25 19:06:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5107 states, 5035 states have (on average 2.0180734856007945) internal successors, (10161), 5106 states have internal predecessors, (10161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5107 states to 5107 states and 10161 transitions. [2021-11-25 19:06:13,402 INFO L78 Accepts]: Start accepts. Automaton has 5107 states and 10161 transitions. Word has length 24 [2021-11-25 19:06:13,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:13,402 INFO L470 AbstractCegarLoop]: Abstraction has 5107 states and 10161 transitions. [2021-11-25 19:06:13,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 5107 states and 10161 transitions. [2021-11-25 19:06:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:13,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:13,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:13,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-11-25 19:06:13,403 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:13,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:13,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1507642269, now seen corresponding path program 35 times [2021-11-25 19:06:13,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:13,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536561650] [2021-11-25 19:06:13,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:13,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:13,854 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:13,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536561650] [2021-11-25 19:06:13,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536561650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:13,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:13,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:13,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331871211] [2021-11-25 19:06:13,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:13,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:13,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:13,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:13,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:13,856 INFO L87 Difference]: Start difference. First operand 5107 states and 10161 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:16,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:16,497 INFO L93 Difference]: Finished difference Result 8198 states and 16289 transitions. [2021-11-25 19:06:16,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:06:16,498 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:16,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:16,507 INFO L225 Difference]: With dead ends: 8198 [2021-11-25 19:06:16,507 INFO L226 Difference]: Without dead ends: 8198 [2021-11-25 19:06:16,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2021-11-25 19:06:16,508 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 462 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 2759 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 2865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 2759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:16,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 487 Invalid, 2865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 2759 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:06:16,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8198 states. [2021-11-25 19:06:16,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8198 to 5109. [2021-11-25 19:06:16,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5109 states, 5037 states have (on average 2.0180663093110978) internal successors, (10165), 5108 states have internal predecessors, (10165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 10165 transitions. [2021-11-25 19:06:16,577 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 10165 transitions. Word has length 24 [2021-11-25 19:06:16,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:16,578 INFO L470 AbstractCegarLoop]: Abstraction has 5109 states and 10165 transitions. [2021-11-25 19:06:16,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:16,578 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 10165 transitions. [2021-11-25 19:06:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:16,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:16,578 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:16,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-11-25 19:06:16,579 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:16,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:16,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1502980179, now seen corresponding path program 36 times [2021-11-25 19:06:16,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:16,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655264923] [2021-11-25 19:06:16,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:16,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:16,880 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:16,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655264923] [2021-11-25 19:06:16,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655264923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:16,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:16,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:16,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077622063] [2021-11-25 19:06:16,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:16,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:16,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:16,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:16,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:16,882 INFO L87 Difference]: Start difference. First operand 5109 states and 10165 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:20,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:20,870 INFO L93 Difference]: Finished difference Result 9817 states and 19503 transitions. [2021-11-25 19:06:20,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-25 19:06:20,871 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:20,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:20,881 INFO L225 Difference]: With dead ends: 9817 [2021-11-25 19:06:20,882 INFO L226 Difference]: Without dead ends: 9817 [2021-11-25 19:06:20,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=411, Invalid=995, Unknown=0, NotChecked=0, Total=1406 [2021-11-25 19:06:20,882 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 847 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 4667 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 4819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 4667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:20,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 695 Invalid, 4819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 4667 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 19:06:20,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9817 states. [2021-11-25 19:06:20,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9817 to 5108. [2021-11-25 19:06:20,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5108 states, 5036 states have (on average 2.018069896743447) internal successors, (10163), 5107 states have internal predecessors, (10163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 10163 transitions. [2021-11-25 19:06:20,954 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 10163 transitions. Word has length 24 [2021-11-25 19:06:20,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:20,954 INFO L470 AbstractCegarLoop]: Abstraction has 5108 states and 10163 transitions. [2021-11-25 19:06:20,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 10163 transitions. [2021-11-25 19:06:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:20,955 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:20,955 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:20,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-11-25 19:06:20,955 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:20,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:20,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1357532829, now seen corresponding path program 37 times [2021-11-25 19:06:20,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:20,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215166817] [2021-11-25 19:06:20,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:20,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:21,341 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:21,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215166817] [2021-11-25 19:06:21,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215166817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:21,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:21,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:21,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961367204] [2021-11-25 19:06:21,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:21,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:21,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:21,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:21,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:21,342 INFO L87 Difference]: Start difference. First operand 5108 states and 10163 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:24,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:24,052 INFO L93 Difference]: Finished difference Result 9823 states and 19515 transitions. [2021-11-25 19:06:24,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-25 19:06:24,052 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:24,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:24,063 INFO L225 Difference]: With dead ends: 9823 [2021-11-25 19:06:24,064 INFO L226 Difference]: Without dead ends: 9823 [2021-11-25 19:06:24,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=452, Invalid=1030, Unknown=0, NotChecked=0, Total=1482 [2021-11-25 19:06:24,064 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 903 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 2593 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 2745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 2593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:24,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 633 Invalid, 2745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 2593 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:06:24,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9823 states. [2021-11-25 19:06:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9823 to 5096. [2021-11-25 19:06:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5096 states, 5024 states have (on average 2.018113057324841) internal successors, (10139), 5095 states have internal predecessors, (10139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5096 states to 5096 states and 10139 transitions. [2021-11-25 19:06:24,139 INFO L78 Accepts]: Start accepts. Automaton has 5096 states and 10139 transitions. Word has length 24 [2021-11-25 19:06:24,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:24,140 INFO L470 AbstractCegarLoop]: Abstraction has 5096 states and 10139 transitions. [2021-11-25 19:06:24,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 5096 states and 10139 transitions. [2021-11-25 19:06:24,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:24,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:24,140 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:24,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-11-25 19:06:24,141 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:24,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:24,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1845891749, now seen corresponding path program 38 times [2021-11-25 19:06:24,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:24,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339487146] [2021-11-25 19:06:24,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:24,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:24,524 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:24,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339487146] [2021-11-25 19:06:24,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339487146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:24,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:24,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:24,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129578526] [2021-11-25 19:06:24,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:24,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:24,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:24,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:24,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:24,526 INFO L87 Difference]: Start difference. First operand 5096 states and 10139 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:27,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:27,491 INFO L93 Difference]: Finished difference Result 8204 states and 16301 transitions. [2021-11-25 19:06:27,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:06:27,491 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:27,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:27,501 INFO L225 Difference]: With dead ends: 8204 [2021-11-25 19:06:27,501 INFO L226 Difference]: Without dead ends: 8204 [2021-11-25 19:06:27,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702 [2021-11-25 19:06:27,501 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 475 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 3323 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 3398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 3323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:27,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [475 Valid, 514 Invalid, 3398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 3323 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:06:27,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8204 states. [2021-11-25 19:06:27,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8204 to 5095. [2021-11-25 19:06:27,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5095 states, 5023 states have (on average 2.0181166633485965) internal successors, (10137), 5094 states have internal predecessors, (10137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:27,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 10137 transitions. [2021-11-25 19:06:27,596 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 10137 transitions. Word has length 24 [2021-11-25 19:06:27,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:27,596 INFO L470 AbstractCegarLoop]: Abstraction has 5095 states and 10137 transitions. [2021-11-25 19:06:27,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:27,597 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 10137 transitions. [2021-11-25 19:06:27,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:27,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:27,597 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:27,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-11-25 19:06:27,598 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:27,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:27,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1841229659, now seen corresponding path program 39 times [2021-11-25 19:06:27,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:27,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133788059] [2021-11-25 19:06:27,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:27,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:28,025 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:28,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133788059] [2021-11-25 19:06:28,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133788059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:28,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:28,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:28,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040034438] [2021-11-25 19:06:28,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:28,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:28,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:28,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:28,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:28,026 INFO L87 Difference]: Start difference. First operand 5095 states and 10137 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:30,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:30,714 INFO L93 Difference]: Finished difference Result 8217 states and 16327 transitions. [2021-11-25 19:06:30,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 19:06:30,714 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:30,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:30,724 INFO L225 Difference]: With dead ends: 8217 [2021-11-25 19:06:30,724 INFO L226 Difference]: Without dead ends: 8217 [2021-11-25 19:06:30,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2021-11-25 19:06:30,724 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 507 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 2885 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 2987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:30,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [507 Valid, 500 Invalid, 2987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2885 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:06:30,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8217 states. [2021-11-25 19:06:30,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8217 to 5094. [2021-11-25 19:06:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5094 states, 5022 states have (on average 2.018120270808443) internal successors, (10135), 5093 states have internal predecessors, (10135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5094 states to 5094 states and 10135 transitions. [2021-11-25 19:06:30,794 INFO L78 Accepts]: Start accepts. Automaton has 5094 states and 10135 transitions. Word has length 24 [2021-11-25 19:06:30,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:30,794 INFO L470 AbstractCegarLoop]: Abstraction has 5094 states and 10135 transitions. [2021-11-25 19:06:30,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:30,795 INFO L276 IsEmpty]: Start isEmpty. Operand 5094 states and 10135 transitions. [2021-11-25 19:06:30,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:30,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:30,795 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:30,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-11-25 19:06:30,795 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:30,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:30,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1695782309, now seen corresponding path program 40 times [2021-11-25 19:06:30,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:30,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967328967] [2021-11-25 19:06:30,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:30,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:31,076 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:31,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967328967] [2021-11-25 19:06:31,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967328967] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:31,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:31,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:31,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729320073] [2021-11-25 19:06:31,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:31,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:31,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:31,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:31,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:31,078 INFO L87 Difference]: Start difference. First operand 5094 states and 10135 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:34,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:34,642 INFO L93 Difference]: Finished difference Result 9824 states and 19517 transitions. [2021-11-25 19:06:34,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-25 19:06:34,642 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:34,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:34,654 INFO L225 Difference]: With dead ends: 9824 [2021-11-25 19:06:34,654 INFO L226 Difference]: Without dead ends: 9824 [2021-11-25 19:06:34,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=466, Invalid=1094, Unknown=0, NotChecked=0, Total=1560 [2021-11-25 19:06:34,654 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 796 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 4392 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 4523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 4392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:34,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 687 Invalid, 4523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 4392 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:06:34,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9824 states. [2021-11-25 19:06:34,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9824 to 5093. [2021-11-25 19:06:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5093 states, 5021 states have (on average 2.018123879705238) internal successors, (10133), 5092 states have internal predecessors, (10133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5093 states to 5093 states and 10133 transitions. [2021-11-25 19:06:34,731 INFO L78 Accepts]: Start accepts. Automaton has 5093 states and 10133 transitions. Word has length 24 [2021-11-25 19:06:34,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:34,731 INFO L470 AbstractCegarLoop]: Abstraction has 5093 states and 10133 transitions. [2021-11-25 19:06:34,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 5093 states and 10133 transitions. [2021-11-25 19:06:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:34,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:34,732 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:34,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-11-25 19:06:34,732 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:34,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:34,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1453282395, now seen corresponding path program 41 times [2021-11-25 19:06:34,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:34,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678341868] [2021-11-25 19:06:34,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:34,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:35,056 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:35,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678341868] [2021-11-25 19:06:35,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678341868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:35,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:35,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:35,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183232097] [2021-11-25 19:06:35,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:35,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:35,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:35,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:35,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:35,057 INFO L87 Difference]: Start difference. First operand 5093 states and 10133 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:39,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:39,412 INFO L93 Difference]: Finished difference Result 9964 states and 19793 transitions. [2021-11-25 19:06:39,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-25 19:06:39,413 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:39,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:39,424 INFO L225 Difference]: With dead ends: 9964 [2021-11-25 19:06:39,425 INFO L226 Difference]: Without dead ends: 9964 [2021-11-25 19:06:39,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=625, Invalid=1537, Unknown=0, NotChecked=0, Total=2162 [2021-11-25 19:06:39,425 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 797 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 5152 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 5315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 5152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:39,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [797 Valid, 689 Invalid, 5315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 5152 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 19:06:39,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9964 states. [2021-11-25 19:06:39,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9964 to 5043. [2021-11-25 19:06:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5043 states, 4971 states have (on average 2.017501508750754) internal successors, (10029), 5042 states have internal predecessors, (10029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 10029 transitions. [2021-11-25 19:06:39,501 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 10029 transitions. Word has length 24 [2021-11-25 19:06:39,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:39,501 INFO L470 AbstractCegarLoop]: Abstraction has 5043 states and 10029 transitions. [2021-11-25 19:06:39,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 10029 transitions. [2021-11-25 19:06:39,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:39,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:39,502 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:39,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-11-25 19:06:39,502 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:39,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:39,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1711672989, now seen corresponding path program 42 times [2021-11-25 19:06:39,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:39,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937151030] [2021-11-25 19:06:39,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:39,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:39,754 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:39,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937151030] [2021-11-25 19:06:39,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937151030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:39,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:39,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:39,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237128471] [2021-11-25 19:06:39,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:39,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:39,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:39,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:39,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:39,755 INFO L87 Difference]: Start difference. First operand 5043 states and 10029 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:42,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:42,796 INFO L93 Difference]: Finished difference Result 8600 states and 17079 transitions. [2021-11-25 19:06:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-25 19:06:42,796 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:42,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:42,805 INFO L225 Difference]: With dead ends: 8600 [2021-11-25 19:06:42,805 INFO L226 Difference]: Without dead ends: 8600 [2021-11-25 19:06:42,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=367, Invalid=1039, Unknown=0, NotChecked=0, Total=1406 [2021-11-25 19:06:42,805 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 966 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 2866 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 966 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 2962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 2866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:42,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [966 Valid, 888 Invalid, 2962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 2866 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:06:42,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8600 states. [2021-11-25 19:06:42,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8600 to 5048. [2021-11-25 19:06:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5048 states, 4976 states have (on average 2.017483922829582) internal successors, (10039), 5047 states have internal predecessors, (10039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5048 states to 5048 states and 10039 transitions. [2021-11-25 19:06:42,870 INFO L78 Accepts]: Start accepts. Automaton has 5048 states and 10039 transitions. Word has length 24 [2021-11-25 19:06:42,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:42,870 INFO L470 AbstractCegarLoop]: Abstraction has 5048 states and 10039 transitions. [2021-11-25 19:06:42,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 5048 states and 10039 transitions. [2021-11-25 19:06:42,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:42,870 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:42,871 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:42,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-11-25 19:06:42,871 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:42,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:42,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1707010899, now seen corresponding path program 43 times [2021-11-25 19:06:42,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:42,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106575927] [2021-11-25 19:06:42,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:42,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:43,171 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:43,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106575927] [2021-11-25 19:06:43,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106575927] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:43,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:43,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:43,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195347450] [2021-11-25 19:06:43,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:43,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:43,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:43,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:43,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:43,172 INFO L87 Difference]: Start difference. First operand 5048 states and 10039 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:46,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:46,716 INFO L93 Difference]: Finished difference Result 8624 states and 17127 transitions. [2021-11-25 19:06:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-25 19:06:46,717 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:46,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:46,726 INFO L225 Difference]: With dead ends: 8624 [2021-11-25 19:06:46,726 INFO L226 Difference]: Without dead ends: 8624 [2021-11-25 19:06:46,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=401, Invalid=1081, Unknown=0, NotChecked=0, Total=1482 [2021-11-25 19:06:46,727 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 1000 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 2928 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 3015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 2928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:46,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1000 Valid, 882 Invalid, 3015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 2928 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:06:46,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2021-11-25 19:06:46,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 5056. [2021-11-25 19:06:46,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5056 states, 4984 states have (on average 2.0174558587479936) internal successors, (10055), 5055 states have internal predecessors, (10055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5056 states to 5056 states and 10055 transitions. [2021-11-25 19:06:46,821 INFO L78 Accepts]: Start accepts. Automaton has 5056 states and 10055 transitions. Word has length 24 [2021-11-25 19:06:46,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:46,821 INFO L470 AbstractCegarLoop]: Abstraction has 5056 states and 10055 transitions. [2021-11-25 19:06:46,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 5056 states and 10055 transitions. [2021-11-25 19:06:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:46,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:46,822 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:46,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-11-25 19:06:46,822 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:46,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:46,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1561563549, now seen corresponding path program 44 times [2021-11-25 19:06:46,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:46,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877874336] [2021-11-25 19:06:46,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:46,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:46,999 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:46,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877874336] [2021-11-25 19:06:46,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877874336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:47,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:47,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:06:47,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676185407] [2021-11-25 19:06:47,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:47,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:06:47,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:47,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:06:47,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:06:47,000 INFO L87 Difference]: Start difference. First operand 5056 states and 10055 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:49,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:49,186 INFO L93 Difference]: Finished difference Result 8648 states and 17175 transitions. [2021-11-25 19:06:49,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 19:06:49,187 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:49,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:49,196 INFO L225 Difference]: With dead ends: 8648 [2021-11-25 19:06:49,196 INFO L226 Difference]: Without dead ends: 8648 [2021-11-25 19:06:49,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=245, Invalid=567, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:06:49,197 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 700 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 2303 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 2303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:49,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [700 Valid, 674 Invalid, 2381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 2303 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:06:49,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8648 states. [2021-11-25 19:06:49,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8648 to 5064. [2021-11-25 19:06:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5064 states, 4992 states have (on average 2.0174278846153846) internal successors, (10071), 5063 states have internal predecessors, (10071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 10071 transitions. [2021-11-25 19:06:49,267 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 10071 transitions. Word has length 24 [2021-11-25 19:06:49,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:49,267 INFO L470 AbstractCegarLoop]: Abstraction has 5064 states and 10071 transitions. [2021-11-25 19:06:49,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:49,267 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 10071 transitions. [2021-11-25 19:06:49,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:49,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:49,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:49,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-11-25 19:06:49,268 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:49,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:49,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1319063635, now seen corresponding path program 45 times [2021-11-25 19:06:49,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:49,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937418704] [2021-11-25 19:06:49,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:49,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:49,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:49,445 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:49,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937418704] [2021-11-25 19:06:49,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937418704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:49,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:49,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:06:49,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320092420] [2021-11-25 19:06:49,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:49,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:06:49,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:49,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:06:49,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:06:49,446 INFO L87 Difference]: Start difference. First operand 5064 states and 10071 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:52,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:52,883 INFO L93 Difference]: Finished difference Result 8852 states and 17583 transitions. [2021-11-25 19:06:52,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-25 19:06:52,884 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:52,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:52,894 INFO L225 Difference]: With dead ends: 8852 [2021-11-25 19:06:52,894 INFO L226 Difference]: Without dead ends: 8852 [2021-11-25 19:06:52,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=361, Invalid=899, Unknown=0, NotChecked=0, Total=1260 [2021-11-25 19:06:52,894 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 682 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 3791 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 3860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:52,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 708 Invalid, 3860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 3791 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 19:06:52,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8852 states. [2021-11-25 19:06:52,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8852 to 5072. [2021-11-25 19:06:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 5000 states have (on average 2.0174) internal successors, (10087), 5071 states have internal predecessors, (10087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 10087 transitions. [2021-11-25 19:06:52,965 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 10087 transitions. Word has length 24 [2021-11-25 19:06:52,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:52,965 INFO L470 AbstractCegarLoop]: Abstraction has 5072 states and 10087 transitions. [2021-11-25 19:06:52,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 10087 transitions. [2021-11-25 19:06:52,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:52,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:52,966 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:52,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-11-25 19:06:52,966 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:52,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:52,966 INFO L85 PathProgramCache]: Analyzing trace with hash -941721045, now seen corresponding path program 4 times [2021-11-25 19:06:52,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:52,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194205848] [2021-11-25 19:06:52,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:52,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:53,194 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:53,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194205848] [2021-11-25 19:06:53,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194205848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:53,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:53,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:06:53,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476250336] [2021-11-25 19:06:53,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:53,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:06:53,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:53,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:06:53,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:06:53,195 INFO L87 Difference]: Start difference. First operand 5072 states and 10087 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:57,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:57,413 INFO L93 Difference]: Finished difference Result 12416 states and 24648 transitions. [2021-11-25 19:06:57,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-25 19:06:57,413 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:06:57,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:57,427 INFO L225 Difference]: With dead ends: 12416 [2021-11-25 19:06:57,427 INFO L226 Difference]: Without dead ends: 12416 [2021-11-25 19:06:57,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=514, Invalid=1208, Unknown=0, NotChecked=0, Total=1722 [2021-11-25 19:06:57,428 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 1551 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 3449 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 3594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 3449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:57,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1551 Valid, 1087 Invalid, 3594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 3449 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 19:06:57,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12416 states. [2021-11-25 19:06:57,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12416 to 5071. [2021-11-25 19:06:57,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5071 states, 4999 states have (on average 2.018203640728146) internal successors, (10089), 5070 states have internal predecessors, (10089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:57,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 10089 transitions. [2021-11-25 19:06:57,510 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 10089 transitions. Word has length 24 [2021-11-25 19:06:57,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:57,510 INFO L470 AbstractCegarLoop]: Abstraction has 5071 states and 10089 transitions. [2021-11-25 19:06:57,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:06:57,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 10089 transitions. [2021-11-25 19:06:57,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:06:57,511 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:57,511 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:57,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-11-25 19:06:57,511 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:06:57,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:57,512 INFO L85 PathProgramCache]: Analyzing trace with hash 395117549, now seen corresponding path program 46 times [2021-11-25 19:06:57,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:57,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940121066] [2021-11-25 19:06:57,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:57,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:57,677 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:57,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940121066] [2021-11-25 19:06:57,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940121066] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:57,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:57,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:06:57,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407539214] [2021-11-25 19:06:57,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:57,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:06:57,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:57,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:06:57,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:06:57,678 INFO L87 Difference]: Start difference. First operand 5071 states and 10089 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:01,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:01,272 INFO L93 Difference]: Finished difference Result 12364 states and 24550 transitions. [2021-11-25 19:07:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-25 19:07:01,272 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:07:01,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:01,285 INFO L225 Difference]: With dead ends: 12364 [2021-11-25 19:07:01,285 INFO L226 Difference]: Without dead ends: 12364 [2021-11-25 19:07:01,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=446, Invalid=1276, Unknown=0, NotChecked=0, Total=1722 [2021-11-25 19:07:01,286 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 986 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 3584 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 3677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 3584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:01,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [986 Valid, 872 Invalid, 3677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 3584 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:07:01,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12364 states. [2021-11-25 19:07:01,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12364 to 5033. [2021-11-25 19:07:01,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5033 states, 4961 states have (on average 2.017536786938117) internal successors, (10009), 5032 states have internal predecessors, (10009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:01,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5033 states to 5033 states and 10009 transitions. [2021-11-25 19:07:01,363 INFO L78 Accepts]: Start accepts. Automaton has 5033 states and 10009 transitions. Word has length 24 [2021-11-25 19:07:01,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:01,364 INFO L470 AbstractCegarLoop]: Abstraction has 5033 states and 10009 transitions. [2021-11-25 19:07:01,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 5033 states and 10009 transitions. [2021-11-25 19:07:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:07:01,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:01,364 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:01,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-11-25 19:07:01,364 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:01,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:01,365 INFO L85 PathProgramCache]: Analyzing trace with hash 42623791, now seen corresponding path program 5 times [2021-11-25 19:07:01,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:01,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485787677] [2021-11-25 19:07:01,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:01,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:01,515 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:01,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485787677] [2021-11-25 19:07:01,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485787677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:01,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:01,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:07:01,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213368723] [2021-11-25 19:07:01,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:01,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:07:01,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:01,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:07:01,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:07:01,516 INFO L87 Difference]: Start difference. First operand 5033 states and 10009 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:04,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:04,900 INFO L93 Difference]: Finished difference Result 16093 states and 31947 transitions. [2021-11-25 19:07:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 19:07:04,900 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:07:04,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:04,921 INFO L225 Difference]: With dead ends: 16093 [2021-11-25 19:07:04,921 INFO L226 Difference]: Without dead ends: 16093 [2021-11-25 19:07:04,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=338, Invalid=784, Unknown=0, NotChecked=0, Total=1122 [2021-11-25 19:07:04,921 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 942 mSDsluCounter, 1307 mSDsCounter, 0 mSdLazyCounter, 3840 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 3965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:04,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [942 Valid, 1050 Invalid, 3965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 3840 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 19:07:04,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16093 states. [2021-11-25 19:07:05,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16093 to 5075. [2021-11-25 19:07:05,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 5003 states have (on average 2.018189086548071) internal successors, (10097), 5074 states have internal predecessors, (10097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 10097 transitions. [2021-11-25 19:07:05,020 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 10097 transitions. Word has length 24 [2021-11-25 19:07:05,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:05,020 INFO L470 AbstractCegarLoop]: Abstraction has 5075 states and 10097 transitions. [2021-11-25 19:07:05,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 10097 transitions. [2021-11-25 19:07:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:07:05,042 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:05,042 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:05,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-11-25 19:07:05,042 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:05,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:05,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1379462385, now seen corresponding path program 47 times [2021-11-25 19:07:05,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:05,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421027104] [2021-11-25 19:07:05,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:05,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:05,230 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:05,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421027104] [2021-11-25 19:07:05,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421027104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:05,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:05,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:07:05,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828584391] [2021-11-25 19:07:05,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:05,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:07:05,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:05,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:07:05,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:07:05,232 INFO L87 Difference]: Start difference. First operand 5075 states and 10097 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:08,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:08,923 INFO L93 Difference]: Finished difference Result 15988 states and 31741 transitions. [2021-11-25 19:07:08,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-25 19:07:08,924 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:07:08,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:08,944 INFO L225 Difference]: With dead ends: 15988 [2021-11-25 19:07:08,944 INFO L226 Difference]: Without dead ends: 15988 [2021-11-25 19:07:08,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=608, Invalid=1842, Unknown=0, NotChecked=0, Total=2450 [2021-11-25 19:07:08,944 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 938 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 4096 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 4096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:08,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [938 Valid, 1049 Invalid, 4187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 4096 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 19:07:08,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15988 states. [2021-11-25 19:07:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15988 to 5032. [2021-11-25 19:07:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5032 states, 4960 states have (on average 2.017540322580645) internal successors, (10007), 5031 states have internal predecessors, (10007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5032 states to 5032 states and 10007 transitions. [2021-11-25 19:07:09,043 INFO L78 Accepts]: Start accepts. Automaton has 5032 states and 10007 transitions. Word has length 24 [2021-11-25 19:07:09,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:09,043 INFO L470 AbstractCegarLoop]: Abstraction has 5032 states and 10007 transitions. [2021-11-25 19:07:09,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:09,043 INFO L276 IsEmpty]: Start isEmpty. Operand 5032 states and 10007 transitions. [2021-11-25 19:07:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:07:09,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:09,044 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:09,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-11-25 19:07:09,044 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:09,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:09,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1129202795, now seen corresponding path program 6 times [2021-11-25 19:07:09,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:09,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946136447] [2021-11-25 19:07:09,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:09,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:09,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:09,257 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:09,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946136447] [2021-11-25 19:07:09,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946136447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:09,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:09,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:07:09,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791751592] [2021-11-25 19:07:09,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:09,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:07:09,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:09,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:07:09,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:07:09,258 INFO L87 Difference]: Start difference. First operand 5032 states and 10007 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:11,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:11,204 INFO L93 Difference]: Finished difference Result 5401 states and 10743 transitions. [2021-11-25 19:07:11,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-25 19:07:11,204 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:07:11,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:11,210 INFO L225 Difference]: With dead ends: 5401 [2021-11-25 19:07:11,210 INFO L226 Difference]: Without dead ends: 5401 [2021-11-25 19:07:11,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=227, Invalid=423, Unknown=0, NotChecked=0, Total=650 [2021-11-25 19:07:11,210 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 485 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:11,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 364 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:07:11,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5401 states. [2021-11-25 19:07:11,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5401 to 5064. [2021-11-25 19:07:11,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5064 states, 4992 states have (on average 2.0180288461538463) internal successors, (10074), 5063 states have internal predecessors, (10074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 10074 transitions. [2021-11-25 19:07:11,264 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 10074 transitions. Word has length 24 [2021-11-25 19:07:11,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:11,265 INFO L470 AbstractCegarLoop]: Abstraction has 5064 states and 10074 transitions. [2021-11-25 19:07:11,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 10074 transitions. [2021-11-25 19:07:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:07:11,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:11,265 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:11,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-11-25 19:07:11,265 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:11,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:11,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1808699939, now seen corresponding path program 7 times [2021-11-25 19:07:11,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:11,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649679725] [2021-11-25 19:07:11,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:11,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:11,436 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:11,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649679725] [2021-11-25 19:07:11,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649679725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:11,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:11,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:07:11,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687008950] [2021-11-25 19:07:11,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:11,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:07:11,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:11,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:07:11,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:07:11,438 INFO L87 Difference]: Start difference. First operand 5064 states and 10074 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:14,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:14,453 INFO L93 Difference]: Finished difference Result 8701 states and 17281 transitions. [2021-11-25 19:07:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 19:07:14,454 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:07:14,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:14,463 INFO L225 Difference]: With dead ends: 8701 [2021-11-25 19:07:14,463 INFO L226 Difference]: Without dead ends: 8701 [2021-11-25 19:07:14,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=256, Invalid=556, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:07:14,464 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 773 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 3696 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 3814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:14,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [773 Valid, 866 Invalid, 3814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 3696 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:07:14,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8701 states. [2021-11-25 19:07:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8701 to 4876. [2021-11-25 19:07:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4876 states, 4806 states have (on average 2.0172700790678317) internal successors, (9695), 4875 states have internal predecessors, (9695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4876 states to 4876 states and 9695 transitions. [2021-11-25 19:07:14,560 INFO L78 Accepts]: Start accepts. Automaton has 4876 states and 9695 transitions. Word has length 24 [2021-11-25 19:07:14,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:14,560 INFO L470 AbstractCegarLoop]: Abstraction has 4876 states and 9695 transitions. [2021-11-25 19:07:14,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 4876 states and 9695 transitions. [2021-11-25 19:07:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 19:07:14,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:14,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:14,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-11-25 19:07:14,561 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:14,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:14,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1149428763, now seen corresponding path program 48 times [2021-11-25 19:07:14,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:14,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056876569] [2021-11-25 19:07:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:14,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:14,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:14,770 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:14,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056876569] [2021-11-25 19:07:14,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056876569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:14,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:14,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:07:14,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733676202] [2021-11-25 19:07:14,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:14,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:07:14,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:14,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:07:14,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:07:14,771 INFO L87 Difference]: Start difference. First operand 4876 states and 9695 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:18,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:18,665 INFO L93 Difference]: Finished difference Result 8624 states and 17128 transitions. [2021-11-25 19:07:18,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-25 19:07:18,665 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 19:07:18,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:18,675 INFO L225 Difference]: With dead ends: 8624 [2021-11-25 19:07:18,675 INFO L226 Difference]: Without dead ends: 8624 [2021-11-25 19:07:18,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=569, Invalid=1783, Unknown=0, NotChecked=0, Total=2352 [2021-11-25 19:07:18,675 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 1033 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 4128 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 4247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 4128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:18,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1033 Valid, 912 Invalid, 4247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 4128 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 19:07:18,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2021-11-25 19:07:18,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 4790. [2021-11-25 19:07:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4790 states, 4720 states have (on average 2.0165254237288135) internal successors, (9518), 4789 states have internal predecessors, (9518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 9518 transitions. [2021-11-25 19:07:18,741 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 9518 transitions. Word has length 24 [2021-11-25 19:07:18,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:18,742 INFO L470 AbstractCegarLoop]: Abstraction has 4790 states and 9518 transitions. [2021-11-25 19:07:18,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:18,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 9518 transitions. [2021-11-25 19:07:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 19:07:18,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:18,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:18,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-11-25 19:07:18,742 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:18,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:18,743 INFO L85 PathProgramCache]: Analyzing trace with hash -2029735272, now seen corresponding path program 1 times [2021-11-25 19:07:18,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:18,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209871587] [2021-11-25 19:07:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:18,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:18,829 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:18,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209871587] [2021-11-25 19:07:18,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209871587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:18,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:18,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:07:18,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234656243] [2021-11-25 19:07:18,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:18,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:07:18,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:18,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:07:18,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:07:18,830 INFO L87 Difference]: Start difference. First operand 4790 states and 9518 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:19,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:19,386 INFO L93 Difference]: Finished difference Result 4992 states and 9916 transitions. [2021-11-25 19:07:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:07:19,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-25 19:07:19,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:19,391 INFO L225 Difference]: With dead ends: 4992 [2021-11-25 19:07:19,391 INFO L226 Difference]: Without dead ends: 4992 [2021-11-25 19:07:19,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:07:19,392 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 104 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:19,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 105 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 19:07:19,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4992 states. [2021-11-25 19:07:19,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4992 to 4992. [2021-11-25 19:07:19,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4992 states, 4922 states have (on average 2.0146281999187323) internal successors, (9916), 4991 states have internal predecessors, (9916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:19,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4992 states and 9916 transitions. [2021-11-25 19:07:19,442 INFO L78 Accepts]: Start accepts. Automaton has 4992 states and 9916 transitions. Word has length 27 [2021-11-25 19:07:19,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:19,442 INFO L470 AbstractCegarLoop]: Abstraction has 4992 states and 9916 transitions. [2021-11-25 19:07:19,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:19,442 INFO L276 IsEmpty]: Start isEmpty. Operand 4992 states and 9916 transitions. [2021-11-25 19:07:19,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 19:07:19,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:19,443 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:19,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-11-25 19:07:19,444 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:19,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:19,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1043111271, now seen corresponding path program 1 times [2021-11-25 19:07:19,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:19,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615890063] [2021-11-25 19:07:19,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:19,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:19,516 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:19,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615890063] [2021-11-25 19:07:19,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615890063] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:19,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:19,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:07:19,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447464212] [2021-11-25 19:07:19,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:19,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:07:19,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:19,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:07:19,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:07:19,517 INFO L87 Difference]: Start difference. First operand 4992 states and 9916 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:20,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:20,304 INFO L93 Difference]: Finished difference Result 5333 states and 10597 transitions. [2021-11-25 19:07:20,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:07:20,304 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-25 19:07:20,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:20,310 INFO L225 Difference]: With dead ends: 5333 [2021-11-25 19:07:20,310 INFO L226 Difference]: Without dead ends: 5333 [2021-11-25 19:07:20,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:07:20,310 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 134 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:20,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 118 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 19:07:20,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2021-11-25 19:07:20,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 5254. [2021-11-25 19:07:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5254 states, 5184 states have (on average 2.013695987654321) internal successors, (10439), 5253 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:20,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 10439 transitions. [2021-11-25 19:07:20,368 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 10439 transitions. Word has length 28 [2021-11-25 19:07:20,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:20,369 INFO L470 AbstractCegarLoop]: Abstraction has 5254 states and 10439 transitions. [2021-11-25 19:07:20,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:20,369 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 10439 transitions. [2021-11-25 19:07:20,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:20,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:20,370 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:20,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-11-25 19:07:20,370 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:20,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:20,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1006785891, now seen corresponding path program 1 times [2021-11-25 19:07:20,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:20,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777768088] [2021-11-25 19:07:20,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:20,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:20,536 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:20,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777768088] [2021-11-25 19:07:20,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777768088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:20,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:20,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:07:20,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356230812] [2021-11-25 19:07:20,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:20,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:20,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:20,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:20,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:20,538 INFO L87 Difference]: Start difference. First operand 5254 states and 10439 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:22,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:22,449 INFO L93 Difference]: Finished difference Result 13969 states and 27658 transitions. [2021-11-25 19:07:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 19:07:22,450 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:22,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:22,467 INFO L225 Difference]: With dead ends: 13969 [2021-11-25 19:07:22,468 INFO L226 Difference]: Without dead ends: 13969 [2021-11-25 19:07:22,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-11-25 19:07:22,468 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 729 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 1893 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:22,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [729 Valid, 515 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1893 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:07:22,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13969 states. [2021-11-25 19:07:22,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13969 to 5540. [2021-11-25 19:07:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5540 states, 5470 states have (on average 2.013711151736746) internal successors, (11015), 5539 states have internal predecessors, (11015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5540 states to 5540 states and 11015 transitions. [2021-11-25 19:07:22,619 INFO L78 Accepts]: Start accepts. Automaton has 5540 states and 11015 transitions. Word has length 30 [2021-11-25 19:07:22,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:22,619 INFO L470 AbstractCegarLoop]: Abstraction has 5540 states and 11015 transitions. [2021-11-25 19:07:22,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 5540 states and 11015 transitions. [2021-11-25 19:07:22,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:22,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:22,621 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:22,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-11-25 19:07:22,621 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:22,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:22,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1099402367, now seen corresponding path program 1 times [2021-11-25 19:07:22,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:22,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670910570] [2021-11-25 19:07:22,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:22,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:22,744 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:22,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670910570] [2021-11-25 19:07:22,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670910570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:22,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:22,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 19:07:22,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822799648] [2021-11-25 19:07:22,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:22,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:22,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:22,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:22,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:22,745 INFO L87 Difference]: Start difference. First operand 5540 states and 11015 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:24,270 INFO L93 Difference]: Finished difference Result 13963 states and 27638 transitions. [2021-11-25 19:07:24,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 19:07:24,270 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:24,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:24,287 INFO L225 Difference]: With dead ends: 13963 [2021-11-25 19:07:24,287 INFO L226 Difference]: Without dead ends: 13963 [2021-11-25 19:07:24,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600 [2021-11-25 19:07:24,288 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 800 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 1548 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:24,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [800 Valid, 476 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1548 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:07:24,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13963 states. [2021-11-25 19:07:24,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13963 to 5564. [2021-11-25 19:07:24,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5564 states, 5494 states have (on average 2.013651255915544) internal successors, (11063), 5563 states have internal predecessors, (11063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5564 states to 5564 states and 11063 transitions. [2021-11-25 19:07:24,381 INFO L78 Accepts]: Start accepts. Automaton has 5564 states and 11063 transitions. Word has length 30 [2021-11-25 19:07:24,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:24,382 INFO L470 AbstractCegarLoop]: Abstraction has 5564 states and 11063 transitions. [2021-11-25 19:07:24,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 5564 states and 11063 transitions. [2021-11-25 19:07:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:24,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:24,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:24,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-11-25 19:07:24,383 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:24,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:24,383 INFO L85 PathProgramCache]: Analyzing trace with hash -784191585, now seen corresponding path program 2 times [2021-11-25 19:07:24,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:24,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280936184] [2021-11-25 19:07:24,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:24,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:24,573 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:24,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280936184] [2021-11-25 19:07:24,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280936184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:24,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:24,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:07:24,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74275165] [2021-11-25 19:07:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:24,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:07:24,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:24,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:07:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:07:24,574 INFO L87 Difference]: Start difference. First operand 5564 states and 11063 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:27,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:27,060 INFO L93 Difference]: Finished difference Result 14015 states and 27791 transitions. [2021-11-25 19:07:27,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 19:07:27,060 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:27,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:27,076 INFO L225 Difference]: With dead ends: 14015 [2021-11-25 19:07:27,076 INFO L226 Difference]: Without dead ends: 14015 [2021-11-25 19:07:27,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2021-11-25 19:07:27,077 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 940 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 2408 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 2576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 2408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:27,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [940 Valid, 406 Invalid, 2576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 2408 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 19:07:27,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14015 states. [2021-11-25 19:07:27,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14015 to 5605. [2021-11-25 19:07:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5605 states, 5535 states have (on average 2.013550135501355) internal successors, (11145), 5604 states have internal predecessors, (11145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5605 states to 5605 states and 11145 transitions. [2021-11-25 19:07:27,168 INFO L78 Accepts]: Start accepts. Automaton has 5605 states and 11145 transitions. Word has length 30 [2021-11-25 19:07:27,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:27,168 INFO L470 AbstractCegarLoop]: Abstraction has 5605 states and 11145 transitions. [2021-11-25 19:07:27,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:27,169 INFO L276 IsEmpty]: Start isEmpty. Operand 5605 states and 11145 transitions. [2021-11-25 19:07:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:27,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:27,170 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:27,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-11-25 19:07:27,170 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:27,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:27,170 INFO L85 PathProgramCache]: Analyzing trace with hash -957628040, now seen corresponding path program 1 times [2021-11-25 19:07:27,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:27,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291071572] [2021-11-25 19:07:27,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:27,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:27,314 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:27,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291071572] [2021-11-25 19:07:27,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291071572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:27,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:27,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:27,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305033921] [2021-11-25 19:07:27,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:27,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:27,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:27,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:27,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:27,316 INFO L87 Difference]: Start difference. First operand 5605 states and 11145 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:28,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:28,407 INFO L93 Difference]: Finished difference Result 5717 states and 11369 transitions. [2021-11-25 19:07:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 19:07:28,408 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:28,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:28,413 INFO L225 Difference]: With dead ends: 5717 [2021-11-25 19:07:28,414 INFO L226 Difference]: Without dead ends: 5717 [2021-11-25 19:07:28,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2021-11-25 19:07:28,414 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 316 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:28,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 165 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 19:07:28,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5717 states. [2021-11-25 19:07:28,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5717 to 5613. [2021-11-25 19:07:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5613 states, 5543 states have (on average 2.0135305791087856) internal successors, (11161), 5612 states have internal predecessors, (11161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5613 states to 5613 states and 11161 transitions. [2021-11-25 19:07:28,472 INFO L78 Accepts]: Start accepts. Automaton has 5613 states and 11161 transitions. Word has length 30 [2021-11-25 19:07:28,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:28,472 INFO L470 AbstractCegarLoop]: Abstraction has 5613 states and 11161 transitions. [2021-11-25 19:07:28,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5613 states and 11161 transitions. [2021-11-25 19:07:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:28,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:28,473 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:28,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-11-25 19:07:28,473 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:28,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:28,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1098837380, now seen corresponding path program 2 times [2021-11-25 19:07:28,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:28,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763630112] [2021-11-25 19:07:28,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:28,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:28,685 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:28,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763630112] [2021-11-25 19:07:28,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763630112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:28,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:28,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:28,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565465781] [2021-11-25 19:07:28,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:28,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:28,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:28,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:28,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:28,687 INFO L87 Difference]: Start difference. First operand 5613 states and 11161 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:30,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:30,002 INFO L93 Difference]: Finished difference Result 9158 states and 18171 transitions. [2021-11-25 19:07:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:07:30,003 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:30,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:30,041 INFO L225 Difference]: With dead ends: 9158 [2021-11-25 19:07:30,041 INFO L226 Difference]: Without dead ends: 9158 [2021-11-25 19:07:30,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:07:30,042 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 477 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:30,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [477 Valid, 201 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 19:07:30,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9158 states. [2021-11-25 19:07:30,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9158 to 5748. [2021-11-25 19:07:30,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5748 states, 5678 states have (on average 2.017083480098626) internal successors, (11453), 5747 states have internal predecessors, (11453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 11453 transitions. [2021-11-25 19:07:30,112 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 11453 transitions. Word has length 30 [2021-11-25 19:07:30,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:30,113 INFO L470 AbstractCegarLoop]: Abstraction has 5748 states and 11453 transitions. [2021-11-25 19:07:30,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:30,113 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 11453 transitions. [2021-11-25 19:07:30,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:30,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:30,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:30,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-11-25 19:07:30,114 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:30,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:30,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1106621480, now seen corresponding path program 3 times [2021-11-25 19:07:30,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:30,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753826744] [2021-11-25 19:07:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:30,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:30,391 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:30,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753826744] [2021-11-25 19:07:30,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753826744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:30,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:30,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:30,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206692303] [2021-11-25 19:07:30,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:30,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:30,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:30,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:30,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:30,392 INFO L87 Difference]: Start difference. First operand 5748 states and 11453 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:31,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:31,290 INFO L93 Difference]: Finished difference Result 9152 states and 18159 transitions. [2021-11-25 19:07:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:07:31,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:31,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:31,301 INFO L225 Difference]: With dead ends: 9152 [2021-11-25 19:07:31,301 INFO L226 Difference]: Without dead ends: 9152 [2021-11-25 19:07:31,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:07:31,301 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 495 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:31,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [495 Valid, 179 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 19:07:31,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9152 states. [2021-11-25 19:07:31,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9152 to 5753. [2021-11-25 19:07:31,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5753 states, 5683 states have (on average 2.017244413162062) internal successors, (11464), 5752 states have internal predecessors, (11464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5753 states to 5753 states and 11464 transitions. [2021-11-25 19:07:31,377 INFO L78 Accepts]: Start accepts. Automaton has 5753 states and 11464 transitions. Word has length 30 [2021-11-25 19:07:31,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:31,377 INFO L470 AbstractCegarLoop]: Abstraction has 5753 states and 11464 transitions. [2021-11-25 19:07:31,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 5753 states and 11464 transitions. [2021-11-25 19:07:31,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:31,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:31,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:31,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-11-25 19:07:31,378 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:31,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:31,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1106877230, now seen corresponding path program 4 times [2021-11-25 19:07:31,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:31,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848947403] [2021-11-25 19:07:31,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:31,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:31,690 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:31,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848947403] [2021-11-25 19:07:31,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848947403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:31,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:31,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:31,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059322476] [2021-11-25 19:07:31,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:31,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:31,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:31,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:31,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:31,691 INFO L87 Difference]: Start difference. First operand 5753 states and 11464 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:32,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:32,714 INFO L93 Difference]: Finished difference Result 9145 states and 18145 transitions. [2021-11-25 19:07:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:07:32,714 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:32,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:32,724 INFO L225 Difference]: With dead ends: 9145 [2021-11-25 19:07:32,724 INFO L226 Difference]: Without dead ends: 9145 [2021-11-25 19:07:32,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:07:32,724 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 489 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:32,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [489 Valid, 181 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 19:07:32,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9145 states. [2021-11-25 19:07:32,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9145 to 5757. [2021-11-25 19:07:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5757 states, 5687 states have (on average 2.0174081237911023) internal successors, (11473), 5756 states have internal predecessors, (11473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:32,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5757 states to 5757 states and 11473 transitions. [2021-11-25 19:07:32,838 INFO L78 Accepts]: Start accepts. Automaton has 5757 states and 11473 transitions. Word has length 30 [2021-11-25 19:07:32,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:32,838 INFO L470 AbstractCegarLoop]: Abstraction has 5757 states and 11473 transitions. [2021-11-25 19:07:32,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 5757 states and 11473 transitions. [2021-11-25 19:07:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:32,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:32,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:32,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-11-25 19:07:32,840 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:32,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:32,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1585756876, now seen corresponding path program 5 times [2021-11-25 19:07:32,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:32,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673556004] [2021-11-25 19:07:32,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:32,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:33,104 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:33,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673556004] [2021-11-25 19:07:33,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673556004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:33,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:33,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:33,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065426872] [2021-11-25 19:07:33,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:33,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:33,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:33,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:33,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:33,105 INFO L87 Difference]: Start difference. First operand 5757 states and 11473 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:34,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:34,207 INFO L93 Difference]: Finished difference Result 5859 states and 11677 transitions. [2021-11-25 19:07:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:07:34,208 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:34,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:34,214 INFO L225 Difference]: With dead ends: 5859 [2021-11-25 19:07:34,214 INFO L226 Difference]: Without dead ends: 5859 [2021-11-25 19:07:34,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:07:34,214 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 322 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:34,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 112 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 19:07:34,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5859 states. [2021-11-25 19:07:34,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5859 to 5771. [2021-11-25 19:07:34,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5771 states, 5701 states have (on average 2.0173653744957023) internal successors, (11501), 5770 states have internal predecessors, (11501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5771 states to 5771 states and 11501 transitions. [2021-11-25 19:07:34,274 INFO L78 Accepts]: Start accepts. Automaton has 5771 states and 11501 transitions. Word has length 30 [2021-11-25 19:07:34,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:34,274 INFO L470 AbstractCegarLoop]: Abstraction has 5771 states and 11501 transitions. [2021-11-25 19:07:34,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 5771 states and 11501 transitions. [2021-11-25 19:07:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:34,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:34,275 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:34,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-11-25 19:07:34,275 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:34,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:34,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1585501126, now seen corresponding path program 6 times [2021-11-25 19:07:34,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:34,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807042922] [2021-11-25 19:07:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:34,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:34,445 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:34,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807042922] [2021-11-25 19:07:34,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807042922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:34,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:34,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:34,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811780681] [2021-11-25 19:07:34,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:34,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:34,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:34,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:34,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:34,447 INFO L87 Difference]: Start difference. First operand 5771 states and 11501 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:35,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:35,833 INFO L93 Difference]: Finished difference Result 5873 states and 11705 transitions. [2021-11-25 19:07:35,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:07:35,834 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:35,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:35,840 INFO L225 Difference]: With dead ends: 5873 [2021-11-25 19:07:35,840 INFO L226 Difference]: Without dead ends: 5873 [2021-11-25 19:07:35,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:07:35,840 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 353 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:35,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [353 Valid, 162 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:07:35,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5873 states. [2021-11-25 19:07:35,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5873 to 5784. [2021-11-25 19:07:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5784 states, 5714 states have (on average 2.0173258662933145) internal successors, (11527), 5783 states have internal predecessors, (11527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 11527 transitions. [2021-11-25 19:07:35,902 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 11527 transitions. Word has length 30 [2021-11-25 19:07:35,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:35,902 INFO L470 AbstractCegarLoop]: Abstraction has 5784 states and 11527 transitions. [2021-11-25 19:07:35,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 11527 transitions. [2021-11-25 19:07:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:35,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:35,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:35,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-11-25 19:07:35,904 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:35,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:35,904 INFO L85 PathProgramCache]: Analyzing trace with hash 2000188126, now seen corresponding path program 7 times [2021-11-25 19:07:35,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:35,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914173105] [2021-11-25 19:07:35,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:35,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:36,106 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:36,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914173105] [2021-11-25 19:07:36,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914173105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:36,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:36,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:36,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708321829] [2021-11-25 19:07:36,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:36,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:36,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:36,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:36,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:36,107 INFO L87 Difference]: Start difference. First operand 5784 states and 11527 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:37,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:37,070 INFO L93 Difference]: Finished difference Result 5886 states and 11731 transitions. [2021-11-25 19:07:37,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:07:37,070 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:37,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:37,076 INFO L225 Difference]: With dead ends: 5886 [2021-11-25 19:07:37,076 INFO L226 Difference]: Without dead ends: 5886 [2021-11-25 19:07:37,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:07:37,077 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 244 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:37,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 106 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 19:07:37,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5886 states. [2021-11-25 19:07:37,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5886 to 5786. [2021-11-25 19:07:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5786 states, 5716 states have (on average 2.0173198040587823) internal successors, (11531), 5785 states have internal predecessors, (11531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 11531 transitions. [2021-11-25 19:07:37,137 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 11531 transitions. Word has length 30 [2021-11-25 19:07:37,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:37,137 INFO L470 AbstractCegarLoop]: Abstraction has 5786 states and 11531 transitions. [2021-11-25 19:07:37,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 11531 transitions. [2021-11-25 19:07:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:37,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:37,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:37,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-11-25 19:07:37,139 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:37,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:37,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1992404026, now seen corresponding path program 8 times [2021-11-25 19:07:37,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:37,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787001804] [2021-11-25 19:07:37,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:37,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:37,356 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:37,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787001804] [2021-11-25 19:07:37,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787001804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:37,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:37,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:37,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833636330] [2021-11-25 19:07:37,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:37,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:37,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:37,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:37,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:37,358 INFO L87 Difference]: Start difference. First operand 5786 states and 11531 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:38,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:38,911 INFO L93 Difference]: Finished difference Result 5888 states and 11735 transitions. [2021-11-25 19:07:38,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 19:07:38,912 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:38,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:38,917 INFO L225 Difference]: With dead ends: 5888 [2021-11-25 19:07:38,918 INFO L226 Difference]: Without dead ends: 5888 [2021-11-25 19:07:38,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2021-11-25 19:07:38,918 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 321 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:38,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 124 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:07:38,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5888 states. [2021-11-25 19:07:38,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5888 to 5788. [2021-11-25 19:07:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5788 states, 5718 states have (on average 2.017313746065058) internal successors, (11535), 5787 states have internal predecessors, (11535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5788 states to 5788 states and 11535 transitions. [2021-11-25 19:07:38,978 INFO L78 Accepts]: Start accepts. Automaton has 5788 states and 11535 transitions. Word has length 30 [2021-11-25 19:07:38,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:38,978 INFO L470 AbstractCegarLoop]: Abstraction has 5788 states and 11535 transitions. [2021-11-25 19:07:38,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5788 states and 11535 transitions. [2021-11-25 19:07:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:38,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:38,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:38,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-11-25 19:07:38,980 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:38,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:38,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1992148276, now seen corresponding path program 9 times [2021-11-25 19:07:38,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:38,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195779615] [2021-11-25 19:07:38,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:38,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:39,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:39,241 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:39,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195779615] [2021-11-25 19:07:39,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195779615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:39,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:39,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:39,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905130295] [2021-11-25 19:07:39,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:39,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:39,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:39,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:39,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:39,242 INFO L87 Difference]: Start difference. First operand 5788 states and 11535 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:40,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:40,325 INFO L93 Difference]: Finished difference Result 5883 states and 11725 transitions. [2021-11-25 19:07:40,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:07:40,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:40,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:40,330 INFO L225 Difference]: With dead ends: 5883 [2021-11-25 19:07:40,330 INFO L226 Difference]: Without dead ends: 5883 [2021-11-25 19:07:40,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:07:40,331 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 272 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:40,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 106 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 19:07:40,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5883 states. [2021-11-25 19:07:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5883 to 5784. [2021-11-25 19:07:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5784 states, 5714 states have (on average 2.0173258662933145) internal successors, (11527), 5783 states have internal predecessors, (11527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 11527 transitions. [2021-11-25 19:07:40,388 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 11527 transitions. Word has length 30 [2021-11-25 19:07:40,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:40,389 INFO L470 AbstractCegarLoop]: Abstraction has 5784 states and 11527 transitions. [2021-11-25 19:07:40,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:40,389 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 11527 transitions. [2021-11-25 19:07:40,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:40,390 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:40,390 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:40,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-11-25 19:07:40,390 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:40,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:40,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1381682672, now seen corresponding path program 10 times [2021-11-25 19:07:40,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:40,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105041301] [2021-11-25 19:07:40,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:40,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:40,618 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:40,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105041301] [2021-11-25 19:07:40,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105041301] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:40,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:40,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:40,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19988619] [2021-11-25 19:07:40,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:40,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:40,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:40,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:40,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:40,619 INFO L87 Difference]: Start difference. First operand 5784 states and 11527 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:42,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:42,105 INFO L93 Difference]: Finished difference Result 5900 states and 11759 transitions. [2021-11-25 19:07:42,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:07:42,106 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:42,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:42,112 INFO L225 Difference]: With dead ends: 5900 [2021-11-25 19:07:42,112 INFO L226 Difference]: Without dead ends: 5900 [2021-11-25 19:07:42,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2021-11-25 19:07:42,112 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 321 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:42,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 124 Invalid, 1729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:07:42,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5900 states. [2021-11-25 19:07:42,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5900 to 5787. [2021-11-25 19:07:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5787 states, 5717 states have (on average 2.0173167745320972) internal successors, (11533), 5786 states have internal predecessors, (11533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:42,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5787 states to 5787 states and 11533 transitions. [2021-11-25 19:07:42,172 INFO L78 Accepts]: Start accepts. Automaton has 5787 states and 11533 transitions. Word has length 30 [2021-11-25 19:07:42,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:42,172 INFO L470 AbstractCegarLoop]: Abstraction has 5787 states and 11533 transitions. [2021-11-25 19:07:42,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 5787 states and 11533 transitions. [2021-11-25 19:07:42,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:42,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:42,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:42,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-11-25 19:07:42,174 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:42,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:42,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1389466772, now seen corresponding path program 11 times [2021-11-25 19:07:42,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:42,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205150876] [2021-11-25 19:07:42,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:42,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:42,343 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:42,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205150876] [2021-11-25 19:07:42,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205150876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:42,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:42,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:07:42,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573279792] [2021-11-25 19:07:42,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:42,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 19:07:42,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:42,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 19:07:42,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:07:42,344 INFO L87 Difference]: Start difference. First operand 5787 states and 11533 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:43,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:43,277 INFO L93 Difference]: Finished difference Result 5961 states and 11881 transitions. [2021-11-25 19:07:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 19:07:43,278 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:43,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:43,283 INFO L225 Difference]: With dead ends: 5961 [2021-11-25 19:07:43,284 INFO L226 Difference]: Without dead ends: 5961 [2021-11-25 19:07:43,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-25 19:07:43,284 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 296 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:43,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 140 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 19:07:43,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5961 states. [2021-11-25 19:07:43,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5961 to 5799. [2021-11-25 19:07:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5799 states, 5729 states have (on average 2.017280502705533) internal successors, (11557), 5798 states have internal predecessors, (11557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5799 states to 5799 states and 11557 transitions. [2021-11-25 19:07:43,345 INFO L78 Accepts]: Start accepts. Automaton has 5799 states and 11557 transitions. Word has length 30 [2021-11-25 19:07:43,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:43,345 INFO L470 AbstractCegarLoop]: Abstraction has 5799 states and 11557 transitions. [2021-11-25 19:07:43,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand 5799 states and 11557 transitions. [2021-11-25 19:07:43,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:43,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:43,346 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:43,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-11-25 19:07:43,346 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:43,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:43,346 INFO L85 PathProgramCache]: Analyzing trace with hash 206613870, now seen corresponding path program 1 times [2021-11-25 19:07:43,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:43,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819926917] [2021-11-25 19:07:43,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:43,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:43,728 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:43,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819926917] [2021-11-25 19:07:43,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819926917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:43,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:43,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:07:43,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464244918] [2021-11-25 19:07:43,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:43,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:07:43,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:43,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:07:43,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:07:43,729 INFO L87 Difference]: Start difference. First operand 5799 states and 11557 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:46,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:46,432 INFO L93 Difference]: Finished difference Result 10937 states and 21735 transitions. [2021-11-25 19:07:46,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-25 19:07:46,433 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:46,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:46,445 INFO L225 Difference]: With dead ends: 10937 [2021-11-25 19:07:46,445 INFO L226 Difference]: Without dead ends: 10937 [2021-11-25 19:07:46,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2021-11-25 19:07:46,450 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 779 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 3198 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 3306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:46,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [779 Valid, 584 Invalid, 3306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3198 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:07:46,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10937 states. [2021-11-25 19:07:46,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10937 to 6242. [2021-11-25 19:07:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6242 states, 6172 states have (on average 2.02349319507453) internal successors, (12489), 6241 states have internal predecessors, (12489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:46,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6242 states to 6242 states and 12489 transitions. [2021-11-25 19:07:46,548 INFO L78 Accepts]: Start accepts. Automaton has 6242 states and 12489 transitions. Word has length 30 [2021-11-25 19:07:46,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:46,549 INFO L470 AbstractCegarLoop]: Abstraction has 6242 states and 12489 transitions. [2021-11-25 19:07:46,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:46,549 INFO L276 IsEmpty]: Start isEmpty. Operand 6242 states and 12489 transitions. [2021-11-25 19:07:46,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:46,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:46,550 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:46,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-11-25 19:07:46,550 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:46,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:46,550 INFO L85 PathProgramCache]: Analyzing trace with hash 997749049, now seen corresponding path program 3 times [2021-11-25 19:07:46,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:46,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828488477] [2021-11-25 19:07:46,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:46,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:46,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:46,881 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:46,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828488477] [2021-11-25 19:07:46,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828488477] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:46,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:46,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:07:46,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189249086] [2021-11-25 19:07:46,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:46,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:07:46,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:46,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:07:46,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:07:46,882 INFO L87 Difference]: Start difference. First operand 6242 states and 12489 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:49,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:49,531 INFO L93 Difference]: Finished difference Result 11146 states and 22147 transitions. [2021-11-25 19:07:49,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 19:07:49,531 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:49,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:49,543 INFO L225 Difference]: With dead ends: 11146 [2021-11-25 19:07:49,543 INFO L226 Difference]: Without dead ends: 11146 [2021-11-25 19:07:49,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-25 19:07:49,544 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 643 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 3177 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 3320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 3177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:49,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [643 Valid, 480 Invalid, 3320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 3177 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:07:49,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11146 states. [2021-11-25 19:07:49,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11146 to 6265. [2021-11-25 19:07:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6265 states, 6195 states have (on average 2.023405972558515) internal successors, (12535), 6264 states have internal predecessors, (12535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6265 states to 6265 states and 12535 transitions. [2021-11-25 19:07:49,632 INFO L78 Accepts]: Start accepts. Automaton has 6265 states and 12535 transitions. Word has length 30 [2021-11-25 19:07:49,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:49,632 INFO L470 AbstractCegarLoop]: Abstraction has 6265 states and 12535 transitions. [2021-11-25 19:07:49,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:49,632 INFO L276 IsEmpty]: Start isEmpty. Operand 6265 states and 12535 transitions. [2021-11-25 19:07:49,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:49,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:49,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:49,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-11-25 19:07:49,634 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:49,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:49,634 INFO L85 PathProgramCache]: Analyzing trace with hash -426872613, now seen corresponding path program 4 times [2021-11-25 19:07:49,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:49,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940263210] [2021-11-25 19:07:49,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:49,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:50,026 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:50,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940263210] [2021-11-25 19:07:50,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940263210] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:50,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:50,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:07:50,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906091588] [2021-11-25 19:07:50,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:50,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:07:50,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:50,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:07:50,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:07:50,027 INFO L87 Difference]: Start difference. First operand 6265 states and 12535 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:52,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:52,928 INFO L93 Difference]: Finished difference Result 11214 states and 22281 transitions. [2021-11-25 19:07:52,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 19:07:52,928 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:52,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:52,939 INFO L225 Difference]: With dead ends: 11214 [2021-11-25 19:07:52,939 INFO L226 Difference]: Without dead ends: 11214 [2021-11-25 19:07:52,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-11-25 19:07:52,940 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 727 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 3487 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 3667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 3487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:52,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [727 Valid, 507 Invalid, 3667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 3487 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:07:52,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11214 states. [2021-11-25 19:07:53,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11214 to 6261. [2021-11-25 19:07:53,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6261 states, 6191 states have (on average 2.0234210951381035) internal successors, (12527), 6260 states have internal predecessors, (12527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6261 states to 6261 states and 12527 transitions. [2021-11-25 19:07:53,026 INFO L78 Accepts]: Start accepts. Automaton has 6261 states and 12527 transitions. Word has length 30 [2021-11-25 19:07:53,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:53,026 INFO L470 AbstractCegarLoop]: Abstraction has 6261 states and 12527 transitions. [2021-11-25 19:07:53,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:53,026 INFO L276 IsEmpty]: Start isEmpty. Operand 6261 states and 12527 transitions. [2021-11-25 19:07:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:53,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:53,028 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:53,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-11-25 19:07:53,028 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:53,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:53,028 INFO L85 PathProgramCache]: Analyzing trace with hash 718289721, now seen corresponding path program 5 times [2021-11-25 19:07:53,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:53,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754082890] [2021-11-25 19:07:53,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:53,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:53,447 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:53,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754082890] [2021-11-25 19:07:53,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754082890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:53,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:53,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:07:53,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302773556] [2021-11-25 19:07:53,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:53,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:07:53,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:53,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:07:53,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:07:53,449 INFO L87 Difference]: Start difference. First operand 6261 states and 12527 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:55,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:55,792 INFO L93 Difference]: Finished difference Result 11354 states and 22557 transitions. [2021-11-25 19:07:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 19:07:55,792 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:55,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:55,805 INFO L225 Difference]: With dead ends: 11354 [2021-11-25 19:07:55,805 INFO L226 Difference]: Without dead ends: 11354 [2021-11-25 19:07:55,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-11-25 19:07:55,805 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 652 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 2718 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 2907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 2718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:55,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [652 Valid, 491 Invalid, 2907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 2718 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:07:55,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11354 states. [2021-11-25 19:07:55,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11354 to 6257. [2021-11-25 19:07:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6257 states, 6187 states have (on average 2.0234362372716985) internal successors, (12519), 6256 states have internal predecessors, (12519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6257 states to 6257 states and 12519 transitions. [2021-11-25 19:07:55,934 INFO L78 Accepts]: Start accepts. Automaton has 6257 states and 12519 transitions. Word has length 30 [2021-11-25 19:07:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:55,934 INFO L470 AbstractCegarLoop]: Abstraction has 6257 states and 12519 transitions. [2021-11-25 19:07:55,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 12519 transitions. [2021-11-25 19:07:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:55,936 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:55,936 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:55,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-11-25 19:07:55,936 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:55,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:55,937 INFO L85 PathProgramCache]: Analyzing trace with hash 754129793, now seen corresponding path program 6 times [2021-11-25 19:07:55,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:55,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648014635] [2021-11-25 19:07:55,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:55,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:56,258 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:56,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648014635] [2021-11-25 19:07:56,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648014635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:56,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:56,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:07:56,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186772992] [2021-11-25 19:07:56,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:56,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:07:56,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:56,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:07:56,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:07:56,262 INFO L87 Difference]: Start difference. First operand 6257 states and 12519 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:59,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:59,676 INFO L93 Difference]: Finished difference Result 11582 states and 23007 transitions. [2021-11-25 19:07:59,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 19:07:59,676 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:07:59,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:59,690 INFO L225 Difference]: With dead ends: 11582 [2021-11-25 19:07:59,690 INFO L226 Difference]: Without dead ends: 11582 [2021-11-25 19:07:59,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=372, Invalid=888, Unknown=0, NotChecked=0, Total=1260 [2021-11-25 19:07:59,690 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 734 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 3987 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 3987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:59,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [734 Valid, 498 Invalid, 4187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 3987 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 19:07:59,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11582 states. [2021-11-25 19:07:59,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11582 to 6253. [2021-11-25 19:07:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6253 states, 6183 states have (on average 2.0234513989972505) internal successors, (12511), 6252 states have internal predecessors, (12511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6253 states to 6253 states and 12511 transitions. [2021-11-25 19:07:59,781 INFO L78 Accepts]: Start accepts. Automaton has 6253 states and 12511 transitions. Word has length 30 [2021-11-25 19:07:59,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:59,781 INFO L470 AbstractCegarLoop]: Abstraction has 6253 states and 12511 transitions. [2021-11-25 19:07:59,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:07:59,782 INFO L276 IsEmpty]: Start isEmpty. Operand 6253 states and 12511 transitions. [2021-11-25 19:07:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:07:59,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:59,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:59,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-11-25 19:07:59,783 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:07:59,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:59,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1801086506, now seen corresponding path program 12 times [2021-11-25 19:07:59,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:59,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377213854] [2021-11-25 19:07:59,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:59,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:00,104 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:00,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377213854] [2021-11-25 19:08:00,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377213854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:00,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:00,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:08:00,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720929503] [2021-11-25 19:08:00,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:00,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:08:00,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:00,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:08:00,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:08:00,106 INFO L87 Difference]: Start difference. First operand 6253 states and 12511 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:02,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:02,429 INFO L93 Difference]: Finished difference Result 10968 states and 21738 transitions. [2021-11-25 19:08:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 19:08:02,430 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:02,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:02,442 INFO L225 Difference]: With dead ends: 10968 [2021-11-25 19:08:02,442 INFO L226 Difference]: Without dead ends: 10968 [2021-11-25 19:08:02,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2021-11-25 19:08:02,442 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 715 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 2819 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:02,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 472 Invalid, 2899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2819 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 19:08:02,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10968 states. [2021-11-25 19:08:02,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10968 to 6665. [2021-11-25 19:08:02,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6665 states, 6595 states have (on average 2.0297194844579227) internal successors, (13386), 6664 states have internal predecessors, (13386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:02,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6665 states to 6665 states and 13386 transitions. [2021-11-25 19:08:02,537 INFO L78 Accepts]: Start accepts. Automaton has 6665 states and 13386 transitions. Word has length 30 [2021-11-25 19:08:02,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:02,537 INFO L470 AbstractCegarLoop]: Abstraction has 6665 states and 13386 transitions. [2021-11-25 19:08:02,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 6665 states and 13386 transitions. [2021-11-25 19:08:02,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:02,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:02,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:02,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-11-25 19:08:02,539 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:02,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:02,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1801342256, now seen corresponding path program 13 times [2021-11-25 19:08:02,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:02,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124851350] [2021-11-25 19:08:02,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:02,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:02,845 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:02,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124851350] [2021-11-25 19:08:02,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124851350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:02,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:02,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:08:02,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201474047] [2021-11-25 19:08:02,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:02,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:08:02,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:02,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:08:02,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:08:02,846 INFO L87 Difference]: Start difference. First operand 6665 states and 13386 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:05,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:05,361 INFO L93 Difference]: Finished difference Result 10882 states and 21619 transitions. [2021-11-25 19:08:05,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 19:08:05,361 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:05,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:05,373 INFO L225 Difference]: With dead ends: 10882 [2021-11-25 19:08:05,373 INFO L226 Difference]: Without dead ends: 10882 [2021-11-25 19:08:05,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2021-11-25 19:08:05,373 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 693 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 2860 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 2979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:05,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [693 Valid, 465 Invalid, 2979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2860 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:08:05,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10882 states. [2021-11-25 19:08:05,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10882 to 6662. [2021-11-25 19:08:05,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6662 states, 6592 states have (on average 2.029733009708738) internal successors, (13380), 6661 states have internal predecessors, (13380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6662 states to 6662 states and 13380 transitions. [2021-11-25 19:08:05,465 INFO L78 Accepts]: Start accepts. Automaton has 6662 states and 13380 transitions. Word has length 30 [2021-11-25 19:08:05,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:05,465 INFO L470 AbstractCegarLoop]: Abstraction has 6662 states and 13380 transitions. [2021-11-25 19:08:05,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 6662 states and 13380 transitions. [2021-11-25 19:08:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:05,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:05,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:05,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-11-25 19:08:05,468 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:05,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:05,468 INFO L85 PathProgramCache]: Analyzing trace with hash 749845478, now seen corresponding path program 2 times [2021-11-25 19:08:05,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:05,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439989219] [2021-11-25 19:08:05,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:05,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:05,823 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:05,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439989219] [2021-11-25 19:08:05,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439989219] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:05,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:05,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:08:05,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002840352] [2021-11-25 19:08:05,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:05,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:08:05,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:05,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:08:05,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:08:05,824 INFO L87 Difference]: Start difference. First operand 6662 states and 13380 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:08,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:08,734 INFO L93 Difference]: Finished difference Result 10844 states and 21543 transitions. [2021-11-25 19:08:08,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:08:08,734 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:08,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:08,745 INFO L225 Difference]: With dead ends: 10844 [2021-11-25 19:08:08,745 INFO L226 Difference]: Without dead ends: 10844 [2021-11-25 19:08:08,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-11-25 19:08:08,745 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 725 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 3316 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 3407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:08,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [725 Valid, 586 Invalid, 3407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3316 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 19:08:08,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10844 states. [2021-11-25 19:08:08,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10844 to 6663. [2021-11-25 19:08:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6663 states, 6593 states have (on average 2.029728499924162) internal successors, (13382), 6662 states have internal predecessors, (13382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:08,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6663 states to 6663 states and 13382 transitions. [2021-11-25 19:08:08,834 INFO L78 Accepts]: Start accepts. Automaton has 6663 states and 13382 transitions. Word has length 30 [2021-11-25 19:08:08,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:08,834 INFO L470 AbstractCegarLoop]: Abstraction has 6663 states and 13382 transitions. [2021-11-25 19:08:08,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:08,835 INFO L276 IsEmpty]: Start isEmpty. Operand 6663 states and 13382 transitions. [2021-11-25 19:08:08,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:08,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:08,836 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:08,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-11-25 19:08:08,836 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:08,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:08,836 INFO L85 PathProgramCache]: Analyzing trace with hash 754314128, now seen corresponding path program 3 times [2021-11-25 19:08:08,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:08,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142946392] [2021-11-25 19:08:08,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:08,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:09,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:09,162 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:09,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142946392] [2021-11-25 19:08:09,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142946392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:09,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:09,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:08:09,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790792008] [2021-11-25 19:08:09,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:09,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:08:09,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:09,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:08:09,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:08:09,163 INFO L87 Difference]: Start difference. First operand 6663 states and 13382 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:11,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:11,899 INFO L93 Difference]: Finished difference Result 10848 states and 21551 transitions. [2021-11-25 19:08:11,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 19:08:11,900 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:11,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:11,917 INFO L225 Difference]: With dead ends: 10848 [2021-11-25 19:08:11,918 INFO L226 Difference]: Without dead ends: 10848 [2021-11-25 19:08:11,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2021-11-25 19:08:11,918 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 728 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 3321 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 3419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 3321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:11,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [728 Valid, 590 Invalid, 3419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 3321 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:08:11,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10848 states. [2021-11-25 19:08:11,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10848 to 6667. [2021-11-25 19:08:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6667 states, 6597 states have (on average 2.029710474458087) internal successors, (13390), 6666 states have internal predecessors, (13390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6667 states to 6667 states and 13390 transitions. [2021-11-25 19:08:12,070 INFO L78 Accepts]: Start accepts. Automaton has 6667 states and 13390 transitions. Word has length 30 [2021-11-25 19:08:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:12,071 INFO L470 AbstractCegarLoop]: Abstraction has 6667 states and 13390 transitions. [2021-11-25 19:08:12,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 6667 states and 13390 transitions. [2021-11-25 19:08:12,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:12,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:12,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:12,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-11-25 19:08:12,072 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:12,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:12,073 INFO L85 PathProgramCache]: Analyzing trace with hash -32465924, now seen corresponding path program 14 times [2021-11-25 19:08:12,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:12,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951895592] [2021-11-25 19:08:12,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:12,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:12,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:12,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951895592] [2021-11-25 19:08:12,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951895592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:12,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:12,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:08:12,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737021329] [2021-11-25 19:08:12,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:12,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:08:12,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:12,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:08:12,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:08:12,309 INFO L87 Difference]: Start difference. First operand 6667 states and 13390 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:14,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:14,108 INFO L93 Difference]: Finished difference Result 10891 states and 21637 transitions. [2021-11-25 19:08:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 19:08:14,108 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:14,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:14,120 INFO L225 Difference]: With dead ends: 10891 [2021-11-25 19:08:14,120 INFO L226 Difference]: Without dead ends: 10891 [2021-11-25 19:08:14,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2021-11-25 19:08:14,121 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 608 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:14,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [608 Valid, 479 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 19:08:14,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10891 states. [2021-11-25 19:08:14,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10891 to 6669. [2021-11-25 19:08:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6669 states, 6599 states have (on average 2.0297014699196847) internal successors, (13394), 6668 states have internal predecessors, (13394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6669 states to 6669 states and 13394 transitions. [2021-11-25 19:08:14,212 INFO L78 Accepts]: Start accepts. Automaton has 6669 states and 13394 transitions. Word has length 30 [2021-11-25 19:08:14,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:14,212 INFO L470 AbstractCegarLoop]: Abstraction has 6669 states and 13394 transitions. [2021-11-25 19:08:14,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:14,213 INFO L276 IsEmpty]: Start isEmpty. Operand 6669 states and 13394 transitions. [2021-11-25 19:08:14,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:14,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:14,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:14,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-11-25 19:08:14,214 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:14,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:14,214 INFO L85 PathProgramCache]: Analyzing trace with hash -465029194, now seen corresponding path program 15 times [2021-11-25 19:08:14,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:14,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256289514] [2021-11-25 19:08:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:14,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:14,442 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:14,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256289514] [2021-11-25 19:08:14,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256289514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:14,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:14,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:08:14,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233576646] [2021-11-25 19:08:14,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:14,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:08:14,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:14,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:08:14,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:08:14,443 INFO L87 Difference]: Start difference. First operand 6669 states and 13394 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:17,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:17,163 INFO L93 Difference]: Finished difference Result 10998 states and 21802 transitions. [2021-11-25 19:08:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 19:08:17,164 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:17,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:17,176 INFO L225 Difference]: With dead ends: 10998 [2021-11-25 19:08:17,176 INFO L226 Difference]: Without dead ends: 10998 [2021-11-25 19:08:17,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=377, Invalid=883, Unknown=0, NotChecked=0, Total=1260 [2021-11-25 19:08:17,176 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 823 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 2923 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 3040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:17,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [823 Valid, 457 Invalid, 3040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2923 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:08:17,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2021-11-25 19:08:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 6670. [2021-11-25 19:08:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6670 states, 6600 states have (on average 2.0296969696969698) internal successors, (13396), 6669 states have internal predecessors, (13396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:17,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6670 states to 6670 states and 13396 transitions. [2021-11-25 19:08:17,268 INFO L78 Accepts]: Start accepts. Automaton has 6670 states and 13396 transitions. Word has length 30 [2021-11-25 19:08:17,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:17,268 INFO L470 AbstractCegarLoop]: Abstraction has 6670 states and 13396 transitions. [2021-11-25 19:08:17,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 6670 states and 13396 transitions. [2021-11-25 19:08:17,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:17,269 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:17,269 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:17,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-11-25 19:08:17,269 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:17,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:17,270 INFO L85 PathProgramCache]: Analyzing trace with hash -606238534, now seen corresponding path program 16 times [2021-11-25 19:08:17,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:17,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780281339] [2021-11-25 19:08:17,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:17,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:17,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:17,549 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:17,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780281339] [2021-11-25 19:08:17,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780281339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:17,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:17,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:08:17,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116207418] [2021-11-25 19:08:17,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:17,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:08:17,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:17,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:08:17,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-25 19:08:17,550 INFO L87 Difference]: Start difference. First operand 6670 states and 13396 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:20,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:20,219 INFO L93 Difference]: Finished difference Result 10871 states and 21597 transitions. [2021-11-25 19:08:20,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 19:08:20,220 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:20,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:20,232 INFO L225 Difference]: With dead ends: 10871 [2021-11-25 19:08:20,232 INFO L226 Difference]: Without dead ends: 10871 [2021-11-25 19:08:20,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-11-25 19:08:20,233 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 674 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 3073 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 3181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:20,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [674 Valid, 504 Invalid, 3181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3073 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 19:08:20,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10871 states. [2021-11-25 19:08:20,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10871 to 6665. [2021-11-25 19:08:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6665 states, 6595 states have (on average 2.0297194844579227) internal successors, (13386), 6664 states have internal predecessors, (13386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6665 states to 6665 states and 13386 transitions. [2021-11-25 19:08:20,357 INFO L78 Accepts]: Start accepts. Automaton has 6665 states and 13386 transitions. Word has length 30 [2021-11-25 19:08:20,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:20,357 INFO L470 AbstractCegarLoop]: Abstraction has 6665 states and 13386 transitions. [2021-11-25 19:08:20,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 6665 states and 13386 transitions. [2021-11-25 19:08:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:20,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:20,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:20,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-11-25 19:08:20,358 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:20,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:20,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1762542318, now seen corresponding path program 4 times [2021-11-25 19:08:20,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:20,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925185698] [2021-11-25 19:08:20,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:20,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:20,647 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:20,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925185698] [2021-11-25 19:08:20,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925185698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:20,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:20,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:08:20,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723977178] [2021-11-25 19:08:20,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:20,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:08:20,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:20,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:08:20,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:08:20,648 INFO L87 Difference]: Start difference. First operand 6665 states and 13386 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:22,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:22,713 INFO L93 Difference]: Finished difference Result 10840 states and 21535 transitions. [2021-11-25 19:08:22,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 19:08:22,714 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:22,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:22,726 INFO L225 Difference]: With dead ends: 10840 [2021-11-25 19:08:22,726 INFO L226 Difference]: Without dead ends: 10840 [2021-11-25 19:08:22,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2021-11-25 19:08:22,726 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 672 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 2624 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 2690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 2624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:22,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [672 Valid, 567 Invalid, 2690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 2624 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:08:22,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10840 states. [2021-11-25 19:08:22,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10840 to 6667. [2021-11-25 19:08:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6667 states, 6597 states have (on average 2.029710474458087) internal successors, (13390), 6666 states have internal predecessors, (13390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:22,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6667 states to 6667 states and 13390 transitions. [2021-11-25 19:08:22,818 INFO L78 Accepts]: Start accepts. Automaton has 6667 states and 13390 transitions. Word has length 30 [2021-11-25 19:08:22,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:22,818 INFO L470 AbstractCegarLoop]: Abstraction has 6667 states and 13390 transitions. [2021-11-25 19:08:22,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 6667 states and 13390 transitions. [2021-11-25 19:08:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:22,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:22,820 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:22,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-11-25 19:08:22,820 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:22,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:22,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1767010968, now seen corresponding path program 5 times [2021-11-25 19:08:22,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:22,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955511781] [2021-11-25 19:08:22,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:22,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:23,123 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:23,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955511781] [2021-11-25 19:08:23,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955511781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:23,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:23,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:08:23,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555434008] [2021-11-25 19:08:23,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:23,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:08:23,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:23,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:08:23,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:08:23,124 INFO L87 Difference]: Start difference. First operand 6667 states and 13390 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:25,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:25,193 INFO L93 Difference]: Finished difference Result 10854 states and 21563 transitions. [2021-11-25 19:08:25,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:08:25,194 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:25,205 INFO L225 Difference]: With dead ends: 10854 [2021-11-25 19:08:25,206 INFO L226 Difference]: Without dead ends: 10854 [2021-11-25 19:08:25,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2021-11-25 19:08:25,206 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 673 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 2474 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 2554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:25,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [673 Valid, 565 Invalid, 2554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2474 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:08:25,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10854 states. [2021-11-25 19:08:25,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10854 to 6666. [2021-11-25 19:08:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6666 states, 6596 states have (on average 2.029714978775015) internal successors, (13388), 6665 states have internal predecessors, (13388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 13388 transitions. [2021-11-25 19:08:25,298 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 13388 transitions. Word has length 30 [2021-11-25 19:08:25,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:25,298 INFO L470 AbstractCegarLoop]: Abstraction has 6666 states and 13388 transitions. [2021-11-25 19:08:25,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 13388 transitions. [2021-11-25 19:08:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:25,299 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:25,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:25,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-11-25 19:08:25,299 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:25,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:25,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1906432848, now seen corresponding path program 6 times [2021-11-25 19:08:25,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:25,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548565525] [2021-11-25 19:08:25,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:25,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:25,576 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:25,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548565525] [2021-11-25 19:08:25,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548565525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:25,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:25,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:08:25,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880942630] [2021-11-25 19:08:25,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:25,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:08:25,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:25,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:08:25,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:08:25,578 INFO L87 Difference]: Start difference. First operand 6666 states and 13388 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:28,460 INFO L93 Difference]: Finished difference Result 10849 states and 21553 transitions. [2021-11-25 19:08:28,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 19:08:28,460 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:28,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:28,471 INFO L225 Difference]: With dead ends: 10849 [2021-11-25 19:08:28,471 INFO L226 Difference]: Without dead ends: 10849 [2021-11-25 19:08:28,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-11-25 19:08:28,471 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 671 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 3841 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 3841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:28,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 610 Invalid, 3907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 3841 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:08:28,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10849 states. [2021-11-25 19:08:28,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10849 to 6670. [2021-11-25 19:08:28,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6670 states, 6600 states have (on average 2.0296969696969698) internal successors, (13396), 6669 states have internal predecessors, (13396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:28,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6670 states to 6670 states and 13396 transitions. [2021-11-25 19:08:28,559 INFO L78 Accepts]: Start accepts. Automaton has 6670 states and 13396 transitions. Word has length 30 [2021-11-25 19:08:28,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:28,560 INFO L470 AbstractCegarLoop]: Abstraction has 6670 states and 13396 transitions. [2021-11-25 19:08:28,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 6670 states and 13396 transitions. [2021-11-25 19:08:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:28,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:28,562 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:28,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-11-25 19:08:28,562 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:28,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2065671782, now seen corresponding path program 7 times [2021-11-25 19:08:28,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:28,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371498434] [2021-11-25 19:08:28,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:28,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:28,823 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:28,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371498434] [2021-11-25 19:08:28,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371498434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:28,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:28,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:08:28,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919578386] [2021-11-25 19:08:28,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:28,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:08:28,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:28,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:08:28,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:08:28,824 INFO L87 Difference]: Start difference. First operand 6670 states and 13396 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:30,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:30,945 INFO L93 Difference]: Finished difference Result 10996 states and 21843 transitions. [2021-11-25 19:08:30,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 19:08:30,945 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:30,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:30,958 INFO L225 Difference]: With dead ends: 10996 [2021-11-25 19:08:30,958 INFO L226 Difference]: Without dead ends: 10996 [2021-11-25 19:08:30,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=252, Invalid=560, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:08:30,959 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 711 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 2411 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 2411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:30,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [711 Valid, 562 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 2411 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:08:30,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10996 states. [2021-11-25 19:08:31,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10996 to 6675. [2021-11-25 19:08:31,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6675 states, 6605 states have (on average 2.029674489023467) internal successors, (13406), 6674 states have internal predecessors, (13406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6675 states to 6675 states and 13406 transitions. [2021-11-25 19:08:31,055 INFO L78 Accepts]: Start accepts. Automaton has 6675 states and 13406 transitions. Word has length 30 [2021-11-25 19:08:31,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:31,055 INFO L470 AbstractCegarLoop]: Abstraction has 6675 states and 13406 transitions. [2021-11-25 19:08:31,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 6675 states and 13406 transitions. [2021-11-25 19:08:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:31,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:31,057 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:31,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-11-25 19:08:31,057 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:31,057 INFO L85 PathProgramCache]: Analyzing trace with hash 2070140432, now seen corresponding path program 8 times [2021-11-25 19:08:31,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:31,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661451436] [2021-11-25 19:08:31,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:31,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:31,383 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:31,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661451436] [2021-11-25 19:08:31,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661451436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:31,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:31,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:08:31,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678703586] [2021-11-25 19:08:31,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:31,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:08:31,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:31,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:08:31,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:08:31,384 INFO L87 Difference]: Start difference. First operand 6675 states and 13406 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:33,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:33,626 INFO L93 Difference]: Finished difference Result 11024 states and 21899 transitions. [2021-11-25 19:08:33,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 19:08:33,626 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:33,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:33,638 INFO L225 Difference]: With dead ends: 11024 [2021-11-25 19:08:33,639 INFO L226 Difference]: Without dead ends: 11024 [2021-11-25 19:08:33,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=290, Invalid=640, Unknown=0, NotChecked=0, Total=930 [2021-11-25 19:08:33,639 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 689 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 2577 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:33,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 569 Invalid, 2695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2577 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:08:33,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11024 states. [2021-11-25 19:08:33,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11024 to 6674. [2021-11-25 19:08:33,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6674 states, 6604 states have (on average 2.0296789824348878) internal successors, (13404), 6673 states have internal predecessors, (13404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:33,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6674 states to 6674 states and 13404 transitions. [2021-11-25 19:08:33,732 INFO L78 Accepts]: Start accepts. Automaton has 6674 states and 13404 transitions. Word has length 30 [2021-11-25 19:08:33,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:33,732 INFO L470 AbstractCegarLoop]: Abstraction has 6674 states and 13404 transitions. [2021-11-25 19:08:33,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 6674 states and 13404 transitions. [2021-11-25 19:08:33,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:33,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:33,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:33,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-11-25 19:08:33,734 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:33,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:33,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2085404984, now seen corresponding path program 9 times [2021-11-25 19:08:33,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:33,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007015134] [2021-11-25 19:08:33,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:33,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:33,992 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:33,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007015134] [2021-11-25 19:08:33,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007015134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:33,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:33,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:08:33,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134697131] [2021-11-25 19:08:33,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:33,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:08:33,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:33,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:08:33,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:08:33,993 INFO L87 Difference]: Start difference. First operand 6674 states and 13404 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:36,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:36,150 INFO L93 Difference]: Finished difference Result 11052 states and 21955 transitions. [2021-11-25 19:08:36,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 19:08:36,151 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:36,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:36,162 INFO L225 Difference]: With dead ends: 11052 [2021-11-25 19:08:36,162 INFO L226 Difference]: Without dead ends: 11052 [2021-11-25 19:08:36,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=247, Invalid=565, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:08:36,163 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 689 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 2476 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 2599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 2476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:36,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 572 Invalid, 2599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 2476 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:08:36,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11052 states. [2021-11-25 19:08:36,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11052 to 6673. [2021-11-25 19:08:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6673 states, 6603 states have (on average 2.02968347720733) internal successors, (13402), 6672 states have internal predecessors, (13402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:36,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6673 states to 6673 states and 13402 transitions. [2021-11-25 19:08:36,254 INFO L78 Accepts]: Start accepts. Automaton has 6673 states and 13402 transitions. Word has length 30 [2021-11-25 19:08:36,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:36,254 INFO L470 AbstractCegarLoop]: Abstraction has 6673 states and 13402 transitions. [2021-11-25 19:08:36,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 6673 states and 13402 transitions. [2021-11-25 19:08:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:36,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:36,256 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:36,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-11-25 19:08:36,256 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:36,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:36,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2030588370, now seen corresponding path program 10 times [2021-11-25 19:08:36,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:36,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127434149] [2021-11-25 19:08:36,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:36,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:36,552 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:36,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127434149] [2021-11-25 19:08:36,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127434149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:36,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:36,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:08:36,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73096336] [2021-11-25 19:08:36,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:36,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:08:36,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:36,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:08:36,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:08:36,553 INFO L87 Difference]: Start difference. First operand 6673 states and 13402 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:38,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:38,774 INFO L93 Difference]: Finished difference Result 11096 states and 22043 transitions. [2021-11-25 19:08:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 19:08:38,774 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:38,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:38,786 INFO L225 Difference]: With dead ends: 11096 [2021-11-25 19:08:38,786 INFO L226 Difference]: Without dead ends: 11096 [2021-11-25 19:08:38,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=249, Invalid=563, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:08:38,787 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 726 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 2438 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 2579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 2438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:38,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 569 Invalid, 2579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 2438 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:08:38,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11096 states. [2021-11-25 19:08:38,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11096 to 6677. [2021-11-25 19:08:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6677 states, 6607 states have (on average 2.029665506281217) internal successors, (13410), 6676 states have internal predecessors, (13410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 13410 transitions. [2021-11-25 19:08:38,939 INFO L78 Accepts]: Start accepts. Automaton has 6677 states and 13410 transitions. Word has length 30 [2021-11-25 19:08:38,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:38,940 INFO L470 AbstractCegarLoop]: Abstraction has 6677 states and 13410 transitions. [2021-11-25 19:08:38,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 6677 states and 13410 transitions. [2021-11-25 19:08:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:38,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:38,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:38,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-11-25 19:08:38,941 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:38,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:38,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1125840402, now seen corresponding path program 11 times [2021-11-25 19:08:38,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:38,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295618426] [2021-11-25 19:08:38,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:38,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:39,115 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:39,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295618426] [2021-11-25 19:08:39,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295618426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:39,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:39,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:08:39,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915029361] [2021-11-25 19:08:39,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:39,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:08:39,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:39,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:08:39,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:08:39,116 INFO L87 Difference]: Start difference. First operand 6677 states and 13410 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:41,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:41,113 INFO L93 Difference]: Finished difference Result 10686 states and 21317 transitions. [2021-11-25 19:08:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:08:41,114 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:41,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:41,125 INFO L225 Difference]: With dead ends: 10686 [2021-11-25 19:08:41,126 INFO L226 Difference]: Without dead ends: 10686 [2021-11-25 19:08:41,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=205, Invalid=445, Unknown=0, NotChecked=0, Total=650 [2021-11-25 19:08:41,126 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 876 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:41,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [876 Valid, 598 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:08:41,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10686 states. [2021-11-25 19:08:41,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10686 to 6679. [2021-11-25 19:08:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6679 states, 6609 states have (on average 2.0296565289756394) internal successors, (13414), 6678 states have internal predecessors, (13414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6679 states to 6679 states and 13414 transitions. [2021-11-25 19:08:41,216 INFO L78 Accepts]: Start accepts. Automaton has 6679 states and 13414 transitions. Word has length 30 [2021-11-25 19:08:41,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:41,216 INFO L470 AbstractCegarLoop]: Abstraction has 6679 states and 13414 transitions. [2021-11-25 19:08:41,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 6679 states and 13414 transitions. [2021-11-25 19:08:41,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:41,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:41,217 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:41,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-11-25 19:08:41,217 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:41,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:41,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1121371752, now seen corresponding path program 12 times [2021-11-25 19:08:41,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:41,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602957519] [2021-11-25 19:08:41,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:41,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:41,521 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:41,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602957519] [2021-11-25 19:08:41,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602957519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:41,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:41,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:08:41,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680755486] [2021-11-25 19:08:41,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:41,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:08:41,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:41,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:08:41,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:08:41,522 INFO L87 Difference]: Start difference. First operand 6679 states and 13414 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:44,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:44,084 INFO L93 Difference]: Finished difference Result 10311 states and 20570 transitions. [2021-11-25 19:08:44,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 19:08:44,084 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:44,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:44,095 INFO L225 Difference]: With dead ends: 10311 [2021-11-25 19:08:44,095 INFO L226 Difference]: Without dead ends: 10311 [2021-11-25 19:08:44,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2021-11-25 19:08:44,095 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 559 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 2589 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 2614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:44,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [559 Valid, 522 Invalid, 2614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2589 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:08:44,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10311 states. [2021-11-25 19:08:44,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10311 to 6681. [2021-11-25 19:08:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6681 states, 6611 states have (on average 2.0296475571018) internal successors, (13418), 6680 states have internal predecessors, (13418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6681 states to 6681 states and 13418 transitions. [2021-11-25 19:08:44,183 INFO L78 Accepts]: Start accepts. Automaton has 6681 states and 13418 transitions. Word has length 30 [2021-11-25 19:08:44,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:44,183 INFO L470 AbstractCegarLoop]: Abstraction has 6681 states and 13418 transitions. [2021-11-25 19:08:44,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 6681 states and 13418 transitions. [2021-11-25 19:08:44,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:44,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:44,185 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:44,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-11-25 19:08:44,185 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:44,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:44,186 INFO L85 PathProgramCache]: Analyzing trace with hash -981949872, now seen corresponding path program 13 times [2021-11-25 19:08:44,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:44,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174077592] [2021-11-25 19:08:44,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:44,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:44,390 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:44,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174077592] [2021-11-25 19:08:44,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174077592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:44,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:44,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:08:44,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453154566] [2021-11-25 19:08:44,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:44,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:08:44,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:44,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:08:44,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:08:44,392 INFO L87 Difference]: Start difference. First operand 6681 states and 13418 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:46,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:46,390 INFO L93 Difference]: Finished difference Result 10400 states and 20699 transitions. [2021-11-25 19:08:46,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:08:46,390 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:46,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:46,402 INFO L225 Difference]: With dead ends: 10400 [2021-11-25 19:08:46,402 INFO L226 Difference]: Without dead ends: 10400 [2021-11-25 19:08:46,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2021-11-25 19:08:46,402 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 810 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:46,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [810 Valid, 610 Invalid, 2490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:08:46,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10400 states. [2021-11-25 19:08:46,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10400 to 6681. [2021-11-25 19:08:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6681 states, 6611 states have (on average 2.0296475571018) internal successors, (13418), 6680 states have internal predecessors, (13418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6681 states to 6681 states and 13418 transitions. [2021-11-25 19:08:46,533 INFO L78 Accepts]: Start accepts. Automaton has 6681 states and 13418 transitions. Word has length 30 [2021-11-25 19:08:46,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:46,533 INFO L470 AbstractCegarLoop]: Abstraction has 6681 states and 13418 transitions. [2021-11-25 19:08:46,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:46,533 INFO L276 IsEmpty]: Start isEmpty. Operand 6681 states and 13418 transitions. [2021-11-25 19:08:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:46,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:46,534 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:46,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-11-25 19:08:46,535 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:46,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:46,535 INFO L85 PathProgramCache]: Analyzing trace with hash -927133258, now seen corresponding path program 14 times [2021-11-25 19:08:46,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:46,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66729245] [2021-11-25 19:08:46,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:46,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:46,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:46,720 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:46,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66729245] [2021-11-25 19:08:46,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66729245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:46,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:46,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:08:46,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693383877] [2021-11-25 19:08:46,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:46,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:08:46,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:46,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:08:46,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:08:46,722 INFO L87 Difference]: Start difference. First operand 6681 states and 13418 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:47,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:47,998 INFO L93 Difference]: Finished difference Result 10421 states and 20741 transitions. [2021-11-25 19:08:47,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 19:08:47,998 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:47,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:48,010 INFO L225 Difference]: With dead ends: 10421 [2021-11-25 19:08:48,010 INFO L226 Difference]: Without dead ends: 10421 [2021-11-25 19:08:48,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2021-11-25 19:08:48,010 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 788 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:48,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [788 Valid, 577 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 19:08:48,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10421 states. [2021-11-25 19:08:48,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10421 to 6681. [2021-11-25 19:08:48,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6681 states, 6611 states have (on average 2.0296475571018) internal successors, (13418), 6680 states have internal predecessors, (13418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6681 states to 6681 states and 13418 transitions. [2021-11-25 19:08:48,098 INFO L78 Accepts]: Start accepts. Automaton has 6681 states and 13418 transitions. Word has length 30 [2021-11-25 19:08:48,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:48,098 INFO L470 AbstractCegarLoop]: Abstraction has 6681 states and 13418 transitions. [2021-11-25 19:08:48,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand 6681 states and 13418 transitions. [2021-11-25 19:08:48,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:48,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:48,100 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:48,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-11-25 19:08:48,100 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:48,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:48,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1648301040, now seen corresponding path program 15 times [2021-11-25 19:08:48,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:48,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308551965] [2021-11-25 19:08:48,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:48,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:48,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:48,271 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:48,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308551965] [2021-11-25 19:08:48,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308551965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:48,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:48,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 19:08:48,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298673248] [2021-11-25 19:08:48,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:48,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:08:48,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:48,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:08:48,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:08:48,272 INFO L87 Difference]: Start difference. First operand 6681 states and 13418 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:49,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:49,894 INFO L93 Difference]: Finished difference Result 10444 states and 20787 transitions. [2021-11-25 19:08:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:08:49,894 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:49,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:49,906 INFO L225 Difference]: With dead ends: 10444 [2021-11-25 19:08:49,906 INFO L226 Difference]: Without dead ends: 10444 [2021-11-25 19:08:49,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=447, Unknown=0, NotChecked=0, Total=650 [2021-11-25 19:08:49,906 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 998 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:49,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [998 Valid, 743 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:08:49,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10444 states. [2021-11-25 19:08:50,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10444 to 6705. [2021-11-25 19:08:50,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6705 states, 6635 states have (on average 2.030143180105501) internal successors, (13470), 6704 states have internal predecessors, (13470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:50,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 13470 transitions. [2021-11-25 19:08:50,053 INFO L78 Accepts]: Start accepts. Automaton has 6705 states and 13470 transitions. Word has length 30 [2021-11-25 19:08:50,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:50,053 INFO L470 AbstractCegarLoop]: Abstraction has 6705 states and 13470 transitions. [2021-11-25 19:08:50,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:50,053 INFO L276 IsEmpty]: Start isEmpty. Operand 6705 states and 13470 transitions. [2021-11-25 19:08:50,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:50,055 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:50,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:50,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-11-25 19:08:50,055 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:50,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:50,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1373241062, now seen corresponding path program 1 times [2021-11-25 19:08:50,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:50,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136776700] [2021-11-25 19:08:50,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:50,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:50,541 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:50,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136776700] [2021-11-25 19:08:50,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136776700] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:50,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:50,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:08:50,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091321525] [2021-11-25 19:08:50,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:50,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:08:50,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:50,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:08:50,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:08:50,542 INFO L87 Difference]: Start difference. First operand 6705 states and 13470 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:52,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:52,551 INFO L93 Difference]: Finished difference Result 9838 states and 19607 transitions. [2021-11-25 19:08:52,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 19:08:52,552 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:52,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:52,563 INFO L225 Difference]: With dead ends: 9838 [2021-11-25 19:08:52,563 INFO L226 Difference]: Without dead ends: 9838 [2021-11-25 19:08:52,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2021-11-25 19:08:52,563 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 706 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 1924 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:52,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [706 Valid, 500 Invalid, 2128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1924 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:08:52,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9838 states. [2021-11-25 19:08:52,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9838 to 6765. [2021-11-25 19:08:52,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6765 states, 6695 states have (on average 2.0298730395817772) internal successors, (13590), 6764 states have internal predecessors, (13590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:52,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6765 states to 6765 states and 13590 transitions. [2021-11-25 19:08:52,651 INFO L78 Accepts]: Start accepts. Automaton has 6765 states and 13590 transitions. Word has length 30 [2021-11-25 19:08:52,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:52,652 INFO L470 AbstractCegarLoop]: Abstraction has 6765 states and 13590 transitions. [2021-11-25 19:08:52,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 6765 states and 13590 transitions. [2021-11-25 19:08:52,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:52,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:52,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:52,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-11-25 19:08:52,653 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:52,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:52,653 INFO L85 PathProgramCache]: Analyzing trace with hash -921769198, now seen corresponding path program 2 times [2021-11-25 19:08:52,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:52,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412182806] [2021-11-25 19:08:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:52,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:53,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:53,089 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:53,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412182806] [2021-11-25 19:08:53,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412182806] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:53,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:53,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:08:53,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295353974] [2021-11-25 19:08:53,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:53,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:08:53,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:53,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:08:53,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:08:53,090 INFO L87 Difference]: Start difference. First operand 6765 states and 13590 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:55,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:55,607 INFO L93 Difference]: Finished difference Result 9872 states and 19675 transitions. [2021-11-25 19:08:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:08:55,608 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:55,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:55,618 INFO L225 Difference]: With dead ends: 9872 [2021-11-25 19:08:55,618 INFO L226 Difference]: Without dead ends: 9872 [2021-11-25 19:08:55,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2021-11-25 19:08:55,618 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 672 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 2777 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 2777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:55,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [672 Valid, 520 Invalid, 2963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 2777 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 19:08:55,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9872 states. [2021-11-25 19:08:55,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9872 to 6766. [2021-11-25 19:08:55,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6766 states, 6696 states have (on average 2.029868578255675) internal successors, (13592), 6765 states have internal predecessors, (13592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6766 states to 6766 states and 13592 transitions. [2021-11-25 19:08:55,705 INFO L78 Accepts]: Start accepts. Automaton has 6766 states and 13592 transitions. Word has length 30 [2021-11-25 19:08:55,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:55,705 INFO L470 AbstractCegarLoop]: Abstraction has 6766 states and 13592 transitions. [2021-11-25 19:08:55,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 6766 states and 13592 transitions. [2021-11-25 19:08:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:55,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:55,707 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:55,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-11-25 19:08:55,707 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:55,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:55,707 INFO L85 PathProgramCache]: Analyzing trace with hash -54726948, now seen corresponding path program 3 times [2021-11-25 19:08:55,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:55,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053068583] [2021-11-25 19:08:55,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:55,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:56,129 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:56,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053068583] [2021-11-25 19:08:56,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053068583] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:56,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:56,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:08:56,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655652741] [2021-11-25 19:08:56,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:56,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:08:56,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:56,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:08:56,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:08:56,130 INFO L87 Difference]: Start difference. First operand 6766 states and 13592 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:58,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:58,888 INFO L93 Difference]: Finished difference Result 9907 states and 19745 transitions. [2021-11-25 19:08:58,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:08:58,888 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:08:58,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:58,899 INFO L225 Difference]: With dead ends: 9907 [2021-11-25 19:08:58,899 INFO L226 Difference]: Without dead ends: 9907 [2021-11-25 19:08:58,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:08:58,899 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 714 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 2948 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 3151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 2948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:58,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [714 Valid, 523 Invalid, 3151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 2948 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:08:58,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9907 states. [2021-11-25 19:08:59,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9907 to 6780. [2021-11-25 19:08:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6780 states, 6710 states have (on average 2.029806259314456) internal successors, (13620), 6779 states have internal predecessors, (13620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6780 states to 6780 states and 13620 transitions. [2021-11-25 19:08:59,031 INFO L78 Accepts]: Start accepts. Automaton has 6780 states and 13620 transitions. Word has length 30 [2021-11-25 19:08:59,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:59,031 INFO L470 AbstractCegarLoop]: Abstraction has 6780 states and 13620 transitions. [2021-11-25 19:08:59,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:08:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 6780 states and 13620 transitions. [2021-11-25 19:08:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:08:59,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:59,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:59,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-11-25 19:08:59,032 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:08:59,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:59,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1064294758, now seen corresponding path program 4 times [2021-11-25 19:08:59,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:59,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413767233] [2021-11-25 19:08:59,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:59,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:59,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:59,520 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:59,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413767233] [2021-11-25 19:08:59,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413767233] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:59,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:59,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:08:59,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701756122] [2021-11-25 19:08:59,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:59,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:08:59,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:59,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:08:59,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:08:59,522 INFO L87 Difference]: Start difference. First operand 6780 states and 13620 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:01,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:01,857 INFO L93 Difference]: Finished difference Result 9875 states and 19681 transitions. [2021-11-25 19:09:01,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:09:01,857 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:01,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:01,868 INFO L225 Difference]: With dead ends: 9875 [2021-11-25 19:09:01,868 INFO L226 Difference]: Without dead ends: 9875 [2021-11-25 19:09:01,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2021-11-25 19:09:01,869 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 674 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 2537 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 2716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 2537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:01,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [674 Valid, 516 Invalid, 2716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 2537 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 19:09:01,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9875 states. [2021-11-25 19:09:01,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9875 to 6782. [2021-11-25 19:09:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6782 states, 6712 states have (on average 2.029797377830751) internal successors, (13624), 6781 states have internal predecessors, (13624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 13624 transitions. [2021-11-25 19:09:01,957 INFO L78 Accepts]: Start accepts. Automaton has 6782 states and 13624 transitions. Word has length 30 [2021-11-25 19:09:01,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:01,957 INFO L470 AbstractCegarLoop]: Abstraction has 6782 states and 13624 transitions. [2021-11-25 19:09:01,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 6782 states and 13624 transitions. [2021-11-25 19:09:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:01,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:01,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:01,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-11-25 19:09:01,959 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:01,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:01,959 INFO L85 PathProgramCache]: Analyzing trace with hash -197252508, now seen corresponding path program 5 times [2021-11-25 19:09:01,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:01,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666903909] [2021-11-25 19:09:01,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:01,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:02,376 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:02,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666903909] [2021-11-25 19:09:02,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666903909] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:02,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:02,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:02,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009255483] [2021-11-25 19:09:02,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:02,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:02,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:02,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:02,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:02,377 INFO L87 Difference]: Start difference. First operand 6782 states and 13624 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:05,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:05,785 INFO L93 Difference]: Finished difference Result 9943 states and 19817 transitions. [2021-11-25 19:09:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:09:05,786 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:05,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:05,796 INFO L225 Difference]: With dead ends: 9943 [2021-11-25 19:09:05,796 INFO L226 Difference]: Without dead ends: 9943 [2021-11-25 19:09:05,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:09:05,797 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 653 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 3797 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 3962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 3797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:05,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [653 Valid, 545 Invalid, 3962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 3797 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 19:09:05,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9943 states. [2021-11-25 19:09:05,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9943 to 6781. [2021-11-25 19:09:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6781 states, 6711 states have (on average 2.0298018179108928) internal successors, (13622), 6780 states have internal predecessors, (13622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6781 states to 6781 states and 13622 transitions. [2021-11-25 19:09:05,884 INFO L78 Accepts]: Start accepts. Automaton has 6781 states and 13622 transitions. Word has length 30 [2021-11-25 19:09:05,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:05,884 INFO L470 AbstractCegarLoop]: Abstraction has 6781 states and 13622 transitions. [2021-11-25 19:09:05,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 6781 states and 13622 transitions. [2021-11-25 19:09:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:05,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:05,885 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:05,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-11-25 19:09:05,886 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:05,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:05,886 INFO L85 PathProgramCache]: Analyzing trace with hash 921756570, now seen corresponding path program 6 times [2021-11-25 19:09:05,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:05,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413827772] [2021-11-25 19:09:05,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:05,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:06,282 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:06,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413827772] [2021-11-25 19:09:06,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413827772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:06,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:06,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:06,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766103561] [2021-11-25 19:09:06,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:06,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:06,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:06,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:06,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:06,284 INFO L87 Difference]: Start difference. First operand 6781 states and 13622 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:09,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:09,157 INFO L93 Difference]: Finished difference Result 9974 states and 19879 transitions. [2021-11-25 19:09:09,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 19:09:09,157 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:09,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:09,168 INFO L225 Difference]: With dead ends: 9974 [2021-11-25 19:09:09,168 INFO L226 Difference]: Without dead ends: 9974 [2021-11-25 19:09:09,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:09:09,169 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 674 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 3138 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 3332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 3138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:09,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [674 Valid, 528 Invalid, 3332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 3138 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:09:09,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9974 states. [2021-11-25 19:09:09,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9974 to 6795. [2021-11-25 19:09:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6795 states, 6725 states have (on average 2.029739776951673) internal successors, (13650), 6794 states have internal predecessors, (13650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:09,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6795 states to 6795 states and 13650 transitions. [2021-11-25 19:09:09,292 INFO L78 Accepts]: Start accepts. Automaton has 6795 states and 13650 transitions. Word has length 30 [2021-11-25 19:09:09,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:09,292 INFO L470 AbstractCegarLoop]: Abstraction has 6795 states and 13650 transitions. [2021-11-25 19:09:09,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 6795 states and 13650 transitions. [2021-11-25 19:09:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:09,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:09,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:09,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-11-25 19:09:09,293 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:09,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:09,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1383709294, now seen corresponding path program 7 times [2021-11-25 19:09:09,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:09,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310400682] [2021-11-25 19:09:09,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:09,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:09,656 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:09,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310400682] [2021-11-25 19:09:09,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310400682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:09,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:09,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:09,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872752997] [2021-11-25 19:09:09,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:09,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:09,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:09,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:09,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:09,659 INFO L87 Difference]: Start difference. First operand 6795 states and 13650 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:12,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:12,332 INFO L93 Difference]: Finished difference Result 9896 states and 19723 transitions. [2021-11-25 19:09:12,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:09:12,332 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:12,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:12,343 INFO L225 Difference]: With dead ends: 9896 [2021-11-25 19:09:12,343 INFO L226 Difference]: Without dead ends: 9896 [2021-11-25 19:09:12,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2021-11-25 19:09:12,343 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 624 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 3147 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 3273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 3147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:12,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [624 Valid, 531 Invalid, 3273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 3147 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:09:12,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9896 states. [2021-11-25 19:09:12,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9896 to 6798. [2021-11-25 19:09:12,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6798 states, 6728 states have (on average 2.029726516052319) internal successors, (13656), 6797 states have internal predecessors, (13656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6798 states to 6798 states and 13656 transitions. [2021-11-25 19:09:12,434 INFO L78 Accepts]: Start accepts. Automaton has 6798 states and 13656 transitions. Word has length 30 [2021-11-25 19:09:12,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:12,434 INFO L470 AbstractCegarLoop]: Abstraction has 6798 states and 13656 transitions. [2021-11-25 19:09:12,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 6798 states and 13656 transitions. [2021-11-25 19:09:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:12,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:12,435 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:12,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-11-25 19:09:12,436 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:12,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:12,436 INFO L85 PathProgramCache]: Analyzing trace with hash -516667044, now seen corresponding path program 8 times [2021-11-25 19:09:12,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:12,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610168843] [2021-11-25 19:09:12,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:12,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:12,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:12,841 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:12,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610168843] [2021-11-25 19:09:12,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610168843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:12,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:12,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:12,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280910764] [2021-11-25 19:09:12,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:12,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:12,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:12,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:12,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:12,842 INFO L87 Difference]: Start difference. First operand 6798 states and 13656 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:15,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:15,695 INFO L93 Difference]: Finished difference Result 9964 states and 19859 transitions. [2021-11-25 19:09:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:09:15,696 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:15,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:15,706 INFO L225 Difference]: With dead ends: 9964 [2021-11-25 19:09:15,707 INFO L226 Difference]: Without dead ends: 9964 [2021-11-25 19:09:15,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:09:15,707 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 628 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 3267 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 3394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 3267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:15,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [628 Valid, 535 Invalid, 3394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 3267 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:09:15,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9964 states. [2021-11-25 19:09:15,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9964 to 6797. [2021-11-25 19:09:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6797 states, 6727 states have (on average 2.029730935037907) internal successors, (13654), 6796 states have internal predecessors, (13654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6797 states to 6797 states and 13654 transitions. [2021-11-25 19:09:15,795 INFO L78 Accepts]: Start accepts. Automaton has 6797 states and 13654 transitions. Word has length 30 [2021-11-25 19:09:15,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:15,795 INFO L470 AbstractCegarLoop]: Abstraction has 6797 states and 13654 transitions. [2021-11-25 19:09:15,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 6797 states and 13654 transitions. [2021-11-25 19:09:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:15,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:15,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:15,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-11-25 19:09:15,797 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:15,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:15,797 INFO L85 PathProgramCache]: Analyzing trace with hash 602342034, now seen corresponding path program 9 times [2021-11-25 19:09:15,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:15,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327119815] [2021-11-25 19:09:15,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:15,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:16,153 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:16,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327119815] [2021-11-25 19:09:16,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327119815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:16,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:16,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:16,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163243382] [2021-11-25 19:09:16,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:16,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:16,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:16,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:16,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:16,155 INFO L87 Difference]: Start difference. First operand 6797 states and 13654 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:19,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:19,060 INFO L93 Difference]: Finished difference Result 10032 states and 19995 transitions. [2021-11-25 19:09:19,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 19:09:19,061 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:19,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:19,072 INFO L225 Difference]: With dead ends: 10032 [2021-11-25 19:09:19,072 INFO L226 Difference]: Without dead ends: 10032 [2021-11-25 19:09:19,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=629, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:09:19,072 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 649 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 3274 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 3445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 3274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:19,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [649 Valid, 531 Invalid, 3445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 3274 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:09:19,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10032 states. [2021-11-25 19:09:19,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10032 to 6796. [2021-11-25 19:09:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6796 states, 6726 states have (on average 2.0297353553374964) internal successors, (13652), 6795 states have internal predecessors, (13652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6796 states to 6796 states and 13652 transitions. [2021-11-25 19:09:19,201 INFO L78 Accepts]: Start accepts. Automaton has 6796 states and 13652 transitions. Word has length 30 [2021-11-25 19:09:19,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:19,201 INFO L470 AbstractCegarLoop]: Abstraction has 6796 states and 13652 transitions. [2021-11-25 19:09:19,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:19,201 INFO L276 IsEmpty]: Start isEmpty. Operand 6796 states and 13652 transitions. [2021-11-25 19:09:19,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:19,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:19,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:19,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-11-25 19:09:19,203 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:19,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:19,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1257481308, now seen corresponding path program 10 times [2021-11-25 19:09:19,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:19,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808642497] [2021-11-25 19:09:19,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:19,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:19,555 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:19,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808642497] [2021-11-25 19:09:19,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808642497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:19,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:19,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:19,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990564505] [2021-11-25 19:09:19,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:19,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:19,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:19,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:19,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:19,556 INFO L87 Difference]: Start difference. First operand 6796 states and 13652 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:22,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:22,776 INFO L93 Difference]: Finished difference Result 10043 states and 20017 transitions. [2021-11-25 19:09:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 19:09:22,776 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:22,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:22,787 INFO L225 Difference]: With dead ends: 10043 [2021-11-25 19:09:22,787 INFO L226 Difference]: Without dead ends: 10043 [2021-11-25 19:09:22,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=257, Invalid=673, Unknown=0, NotChecked=0, Total=930 [2021-11-25 19:09:22,788 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 684 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 3759 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 3956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 3759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:22,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 544 Invalid, 3956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 3759 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:09:22,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10043 states. [2021-11-25 19:09:22,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10043 to 6810. [2021-11-25 19:09:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6810 states, 6740 states have (on average 2.029673590504451) internal successors, (13680), 6809 states have internal predecessors, (13680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6810 states to 6810 states and 13680 transitions. [2021-11-25 19:09:22,880 INFO L78 Accepts]: Start accepts. Automaton has 6810 states and 13680 transitions. Word has length 30 [2021-11-25 19:09:22,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:22,881 INFO L470 AbstractCegarLoop]: Abstraction has 6810 states and 13680 transitions. [2021-11-25 19:09:22,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 6810 states and 13680 transitions. [2021-11-25 19:09:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:22,882 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:22,882 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:22,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-11-25 19:09:22,882 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:22,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:22,883 INFO L85 PathProgramCache]: Analyzing trace with hash 111222426, now seen corresponding path program 11 times [2021-11-25 19:09:22,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:22,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519310197] [2021-11-25 19:09:22,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:22,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:23,218 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:23,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519310197] [2021-11-25 19:09:23,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519310197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:23,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:23,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:09:23,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554411195] [2021-11-25 19:09:23,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:23,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:09:23,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:23,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:09:23,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:09:23,219 INFO L87 Difference]: Start difference. First operand 6810 states and 13680 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:26,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:26,279 INFO L93 Difference]: Finished difference Result 11600 states and 23107 transitions. [2021-11-25 19:09:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 19:09:26,279 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:26,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:26,292 INFO L225 Difference]: With dead ends: 11600 [2021-11-25 19:09:26,292 INFO L226 Difference]: Without dead ends: 11600 [2021-11-25 19:09:26,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=277, Invalid=653, Unknown=0, NotChecked=0, Total=930 [2021-11-25 19:09:26,293 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 898 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 3167 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 3277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 3167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:26,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [898 Valid, 793 Invalid, 3277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 3167 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 19:09:26,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11600 states. [2021-11-25 19:09:26,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11600 to 6814. [2021-11-25 19:09:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6814 states, 6744 states have (on average 2.029655990510083) internal successors, (13688), 6813 states have internal predecessors, (13688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:26,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6814 states to 6814 states and 13688 transitions. [2021-11-25 19:09:26,391 INFO L78 Accepts]: Start accepts. Automaton has 6814 states and 13688 transitions. Word has length 30 [2021-11-25 19:09:26,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:26,391 INFO L470 AbstractCegarLoop]: Abstraction has 6814 states and 13688 transitions. [2021-11-25 19:09:26,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand 6814 states and 13688 transitions. [2021-11-25 19:09:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:26,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:26,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:26,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-11-25 19:09:26,393 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:26,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:26,393 INFO L85 PathProgramCache]: Analyzing trace with hash 978264676, now seen corresponding path program 12 times [2021-11-25 19:09:26,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:26,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513668895] [2021-11-25 19:09:26,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:26,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:26,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:26,675 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:26,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513668895] [2021-11-25 19:09:26,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513668895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:26,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:26,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:09:26,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622611807] [2021-11-25 19:09:26,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:26,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:09:26,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:26,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:09:26,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:09:26,676 INFO L87 Difference]: Start difference. First operand 6814 states and 13688 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:29,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:29,705 INFO L93 Difference]: Finished difference Result 11668 states and 23243 transitions. [2021-11-25 19:09:29,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-25 19:09:29,706 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:29,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:29,717 INFO L225 Difference]: With dead ends: 11668 [2021-11-25 19:09:29,717 INFO L226 Difference]: Without dead ends: 11668 [2021-11-25 19:09:29,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=324, Invalid=798, Unknown=0, NotChecked=0, Total=1122 [2021-11-25 19:09:29,718 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 905 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 3037 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 3176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 3037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:29,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [905 Valid, 783 Invalid, 3176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 3037 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:09:29,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11668 states. [2021-11-25 19:09:29,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11668 to 6813. [2021-11-25 19:09:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6813 states, 6743 states have (on average 2.02966038855109) internal successors, (13686), 6812 states have internal predecessors, (13686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:29,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6813 states to 6813 states and 13686 transitions. [2021-11-25 19:09:29,813 INFO L78 Accepts]: Start accepts. Automaton has 6813 states and 13686 transitions. Word has length 30 [2021-11-25 19:09:29,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:29,813 INFO L470 AbstractCegarLoop]: Abstraction has 6813 states and 13686 transitions. [2021-11-25 19:09:29,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand 6813 states and 13686 transitions. [2021-11-25 19:09:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:29,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:29,815 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:29,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-11-25 19:09:29,815 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:29,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:29,815 INFO L85 PathProgramCache]: Analyzing trace with hash 2097273754, now seen corresponding path program 13 times [2021-11-25 19:09:29,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:29,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413209678] [2021-11-25 19:09:29,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:29,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:30,092 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:30,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413209678] [2021-11-25 19:09:30,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413209678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:30,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:30,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:09:30,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473090685] [2021-11-25 19:09:30,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:30,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:09:30,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:30,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:09:30,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:09:30,093 INFO L87 Difference]: Start difference. First operand 6813 states and 13686 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:33,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:33,274 INFO L93 Difference]: Finished difference Result 11736 states and 23379 transitions. [2021-11-25 19:09:33,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 19:09:33,274 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:33,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:33,287 INFO L225 Difference]: With dead ends: 11736 [2021-11-25 19:09:33,287 INFO L226 Difference]: Without dead ends: 11736 [2021-11-25 19:09:33,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=317, Invalid=805, Unknown=0, NotChecked=0, Total=1122 [2021-11-25 19:09:33,288 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 890 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 3354 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 3514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 3354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:33,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [890 Valid, 788 Invalid, 3514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 3354 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 19:09:33,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11736 states. [2021-11-25 19:09:33,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11736 to 6812. [2021-11-25 19:09:33,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 6742 states have (on average 2.0296647878967664) internal successors, (13684), 6811 states have internal predecessors, (13684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 13684 transitions. [2021-11-25 19:09:33,390 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 13684 transitions. Word has length 30 [2021-11-25 19:09:33,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:33,390 INFO L470 AbstractCegarLoop]: Abstraction has 6812 states and 13684 transitions. [2021-11-25 19:09:33,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 13684 transitions. [2021-11-25 19:09:33,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:33,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:33,392 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:33,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-11-25 19:09:33,392 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:33,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:33,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1542554268, now seen corresponding path program 14 times [2021-11-25 19:09:33,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:33,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303413726] [2021-11-25 19:09:33,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:33,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:33,686 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:33,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303413726] [2021-11-25 19:09:33,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303413726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:33,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:33,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:09:33,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210538184] [2021-11-25 19:09:33,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:33,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 19:09:33,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:33,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 19:09:33,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:09:33,688 INFO L87 Difference]: Start difference. First operand 6812 states and 13684 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:36,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:36,064 INFO L93 Difference]: Finished difference Result 11804 states and 23515 transitions. [2021-11-25 19:09:36,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 19:09:36,064 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:36,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:36,078 INFO L225 Difference]: With dead ends: 11804 [2021-11-25 19:09:36,078 INFO L226 Difference]: Without dead ends: 11804 [2021-11-25 19:09:36,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=312, Invalid=810, Unknown=0, NotChecked=0, Total=1122 [2021-11-25 19:09:36,079 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 882 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 2238 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 2395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:36,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 762 Invalid, 2395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2238 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 19:09:36,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11804 states. [2021-11-25 19:09:36,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11804 to 6811. [2021-11-25 19:09:36,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6811 states, 6741 states have (on average 2.029669188547693) internal successors, (13682), 6810 states have internal predecessors, (13682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:36,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6811 states to 6811 states and 13682 transitions. [2021-11-25 19:09:36,178 INFO L78 Accepts]: Start accepts. Automaton has 6811 states and 13682 transitions. Word has length 30 [2021-11-25 19:09:36,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:36,178 INFO L470 AbstractCegarLoop]: Abstraction has 6811 states and 13682 transitions. [2021-11-25 19:09:36,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:36,178 INFO L276 IsEmpty]: Start isEmpty. Operand 6811 states and 13682 transitions. [2021-11-25 19:09:36,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:36,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:36,179 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:36,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-11-25 19:09:36,180 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:36,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:36,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1974877786, now seen corresponding path program 15 times [2021-11-25 19:09:36,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:36,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278689761] [2021-11-25 19:09:36,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:36,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:36,468 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:36,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278689761] [2021-11-25 19:09:36,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278689761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:36,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:36,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:36,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188284192] [2021-11-25 19:09:36,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:36,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:36,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:36,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:36,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:36,469 INFO L87 Difference]: Start difference. First operand 6811 states and 13682 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:40,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:40,022 INFO L93 Difference]: Finished difference Result 11598 states and 23103 transitions. [2021-11-25 19:09:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 19:09:40,023 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:40,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:40,035 INFO L225 Difference]: With dead ends: 11598 [2021-11-25 19:09:40,035 INFO L226 Difference]: Without dead ends: 11598 [2021-11-25 19:09:40,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=351, Invalid=981, Unknown=0, NotChecked=0, Total=1332 [2021-11-25 19:09:40,036 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 1088 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 3956 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 4108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 3956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:40,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1088 Valid, 1038 Invalid, 4108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 3956 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 19:09:40,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11598 states. [2021-11-25 19:09:40,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11598 to 6824. [2021-11-25 19:09:40,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6824 states, 6754 states have (on average 2.0296120817293457) internal successors, (13708), 6823 states have internal predecessors, (13708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6824 states to 6824 states and 13708 transitions. [2021-11-25 19:09:40,131 INFO L78 Accepts]: Start accepts. Automaton has 6824 states and 13708 transitions. Word has length 30 [2021-11-25 19:09:40,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:40,131 INFO L470 AbstractCegarLoop]: Abstraction has 6824 states and 13708 transitions. [2021-11-25 19:09:40,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 6824 states and 13708 transitions. [2021-11-25 19:09:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:40,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:40,133 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:40,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-11-25 19:09:40,133 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:40,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:40,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1470652844, now seen corresponding path program 1 times [2021-11-25 19:09:40,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:40,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66165823] [2021-11-25 19:09:40,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:40,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:40,284 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:40,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66165823] [2021-11-25 19:09:40,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66165823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:40,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:40,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 19:09:40,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091505645] [2021-11-25 19:09:40,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:40,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:09:40,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:40,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:09:40,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:09:40,285 INFO L87 Difference]: Start difference. First operand 6824 states and 13708 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:42,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:42,035 INFO L93 Difference]: Finished difference Result 11276 states and 22408 transitions. [2021-11-25 19:09:42,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 19:09:42,036 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:42,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:42,054 INFO L225 Difference]: With dead ends: 11276 [2021-11-25 19:09:42,054 INFO L226 Difference]: Without dead ends: 11276 [2021-11-25 19:09:42,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2021-11-25 19:09:42,054 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 905 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 2105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:42,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [905 Valid, 1053 Invalid, 2105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2049 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 19:09:42,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11276 states. [2021-11-25 19:09:42,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11276 to 6961. [2021-11-25 19:09:42,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6961 states, 6891 states have (on average 2.0296038310840228) internal successors, (13986), 6960 states have internal predecessors, (13986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:42,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6961 states to 6961 states and 13986 transitions. [2021-11-25 19:09:42,163 INFO L78 Accepts]: Start accepts. Automaton has 6961 states and 13986 transitions. Word has length 30 [2021-11-25 19:09:42,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:42,164 INFO L470 AbstractCegarLoop]: Abstraction has 6961 states and 13986 transitions. [2021-11-25 19:09:42,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:42,164 INFO L276 IsEmpty]: Start isEmpty. Operand 6961 states and 13986 transitions. [2021-11-25 19:09:42,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:42,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:42,165 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:42,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-11-25 19:09:42,165 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:42,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:42,166 INFO L85 PathProgramCache]: Analyzing trace with hash 522488584, now seen corresponding path program 16 times [2021-11-25 19:09:42,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:42,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767924298] [2021-11-25 19:09:42,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:42,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:42,657 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:42,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767924298] [2021-11-25 19:09:42,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767924298] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:42,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:42,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:42,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415736368] [2021-11-25 19:09:42,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:42,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:42,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:42,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:42,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:42,658 INFO L87 Difference]: Start difference. First operand 6961 states and 13986 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:44,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:44,712 INFO L93 Difference]: Finished difference Result 7558 states and 15186 transitions. [2021-11-25 19:09:44,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 19:09:44,712 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:44,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:44,720 INFO L225 Difference]: With dead ends: 7558 [2021-11-25 19:09:44,721 INFO L226 Difference]: Without dead ends: 7558 [2021-11-25 19:09:44,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2021-11-25 19:09:44,721 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 517 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 2309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:44,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [517 Valid, 412 Invalid, 2309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:09:44,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7558 states. [2021-11-25 19:09:44,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7558 to 6985. [2021-11-25 19:09:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6985 states, 6915 states have (on average 2.0295010845986985) internal successors, (14034), 6984 states have internal predecessors, (14034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:44,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6985 states to 6985 states and 14034 transitions. [2021-11-25 19:09:44,799 INFO L78 Accepts]: Start accepts. Automaton has 6985 states and 14034 transitions. Word has length 30 [2021-11-25 19:09:44,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:44,800 INFO L470 AbstractCegarLoop]: Abstraction has 6985 states and 14034 transitions. [2021-11-25 19:09:44,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 6985 states and 14034 transitions. [2021-11-25 19:09:44,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:44,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:44,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:44,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-11-25 19:09:44,801 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:44,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:44,802 INFO L85 PathProgramCache]: Analyzing trace with hash 973960448, now seen corresponding path program 17 times [2021-11-25 19:09:44,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:44,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189910761] [2021-11-25 19:09:44,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:44,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:45,250 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:45,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189910761] [2021-11-25 19:09:45,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189910761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:45,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:45,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:45,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505568820] [2021-11-25 19:09:45,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:45,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:45,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:45,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:45,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:45,251 INFO L87 Difference]: Start difference. First operand 6985 states and 14034 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:47,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:47,939 INFO L93 Difference]: Finished difference Result 7592 states and 15254 transitions. [2021-11-25 19:09:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:09:47,940 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:47,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:47,948 INFO L225 Difference]: With dead ends: 7592 [2021-11-25 19:09:47,948 INFO L226 Difference]: Without dead ends: 7592 [2021-11-25 19:09:47,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=502, Unknown=0, NotChecked=0, Total=702 [2021-11-25 19:09:47,948 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 506 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 3135 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 3318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 3135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:47,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [506 Valid, 429 Invalid, 3318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 3135 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:09:47,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2021-11-25 19:09:48,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 6986. [2021-11-25 19:09:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6986 states, 6916 states have (on average 2.0294968189705034) internal successors, (14036), 6985 states have internal predecessors, (14036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6986 states to 6986 states and 14036 transitions. [2021-11-25 19:09:48,063 INFO L78 Accepts]: Start accepts. Automaton has 6986 states and 14036 transitions. Word has length 30 [2021-11-25 19:09:48,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:48,063 INFO L470 AbstractCegarLoop]: Abstraction has 6986 states and 14036 transitions. [2021-11-25 19:09:48,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:48,063 INFO L276 IsEmpty]: Start isEmpty. Operand 6986 states and 14036 transitions. [2021-11-25 19:09:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:48,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:48,064 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:48,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-11-25 19:09:48,065 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:48,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:48,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1841002698, now seen corresponding path program 18 times [2021-11-25 19:09:48,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:48,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954655445] [2021-11-25 19:09:48,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:48,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:48,493 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:48,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954655445] [2021-11-25 19:09:48,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954655445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:48,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:48,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:48,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679579108] [2021-11-25 19:09:48,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:48,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:48,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:48,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:48,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:48,494 INFO L87 Difference]: Start difference. First operand 6986 states and 14036 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:52,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:52,145 INFO L93 Difference]: Finished difference Result 7617 states and 15304 transitions. [2021-11-25 19:09:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:09:52,146 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:52,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:52,155 INFO L225 Difference]: With dead ends: 7617 [2021-11-25 19:09:52,155 INFO L226 Difference]: Without dead ends: 7617 [2021-11-25 19:09:52,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=232, Invalid=580, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:09:52,156 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 517 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 4041 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 4247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 4041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:52,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [517 Valid, 447 Invalid, 4247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 4041 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 19:09:52,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7617 states. [2021-11-25 19:09:52,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7617 to 6973. [2021-11-25 19:09:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6973 states, 6903 states have (on average 2.0295523685354193) internal successors, (14010), 6972 states have internal predecessors, (14010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:52,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6973 states to 6973 states and 14010 transitions. [2021-11-25 19:09:52,286 INFO L78 Accepts]: Start accepts. Automaton has 6973 states and 14010 transitions. Word has length 30 [2021-11-25 19:09:52,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:52,287 INFO L470 AbstractCegarLoop]: Abstraction has 6973 states and 14010 transitions. [2021-11-25 19:09:52,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 6973 states and 14010 transitions. [2021-11-25 19:09:52,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:52,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:52,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:52,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-11-25 19:09:52,290 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:52,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:52,291 INFO L85 PathProgramCache]: Analyzing trace with hash 831434888, now seen corresponding path program 19 times [2021-11-25 19:09:52,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:52,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122916089] [2021-11-25 19:09:52,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:52,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:52,825 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:52,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122916089] [2021-11-25 19:09:52,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122916089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:52,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:52,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:52,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919275624] [2021-11-25 19:09:52,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:52,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:52,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:52,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:52,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:52,826 INFO L87 Difference]: Start difference. First operand 6973 states and 14010 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:55,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:55,723 INFO L93 Difference]: Finished difference Result 7568 states and 15206 transitions. [2021-11-25 19:09:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:09:55,724 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:55,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:55,732 INFO L225 Difference]: With dead ends: 7568 [2021-11-25 19:09:55,733 INFO L226 Difference]: Without dead ends: 7568 [2021-11-25 19:09:55,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=502, Unknown=0, NotChecked=0, Total=702 [2021-11-25 19:09:55,733 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 509 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 3259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:55,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [509 Valid, 434 Invalid, 3259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 3064 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:09:55,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7568 states. [2021-11-25 19:09:55,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7568 to 6975. [2021-11-25 19:09:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6975 states, 6905 states have (on average 2.029543808834178) internal successors, (14014), 6974 states have internal predecessors, (14014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6975 states to 6975 states and 14014 transitions. [2021-11-25 19:09:55,822 INFO L78 Accepts]: Start accepts. Automaton has 6975 states and 14014 transitions. Word has length 30 [2021-11-25 19:09:55,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:55,822 INFO L470 AbstractCegarLoop]: Abstraction has 6975 states and 14014 transitions. [2021-11-25 19:09:55,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 6975 states and 14014 transitions. [2021-11-25 19:09:55,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:55,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:55,824 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:55,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-11-25 19:09:55,824 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:55,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:55,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1698477138, now seen corresponding path program 20 times [2021-11-25 19:09:55,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:55,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447615402] [2021-11-25 19:09:55,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:55,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:56,262 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:56,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447615402] [2021-11-25 19:09:56,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447615402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:56,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:56,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:56,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589695406] [2021-11-25 19:09:56,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:56,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:56,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:56,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:56,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:56,263 INFO L87 Difference]: Start difference. First operand 6975 states and 14014 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:59,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:09:59,402 INFO L93 Difference]: Finished difference Result 7626 states and 15322 transitions. [2021-11-25 19:09:59,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:09:59,403 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:09:59,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:09:59,412 INFO L225 Difference]: With dead ends: 7626 [2021-11-25 19:09:59,412 INFO L226 Difference]: Without dead ends: 7626 [2021-11-25 19:09:59,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=232, Invalid=580, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:09:59,413 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 532 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 3168 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 3403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 3168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:09:59,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 432 Invalid, 3403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 3168 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:09:59,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7626 states. [2021-11-25 19:09:59,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7626 to 6974. [2021-11-25 19:09:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6974 states, 6904 states have (on average 2.0295480880648897) internal successors, (14012), 6973 states have internal predecessors, (14012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6974 states to 6974 states and 14012 transitions. [2021-11-25 19:09:59,537 INFO L78 Accepts]: Start accepts. Automaton has 6974 states and 14012 transitions. Word has length 30 [2021-11-25 19:09:59,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:09:59,537 INFO L470 AbstractCegarLoop]: Abstraction has 6974 states and 14012 transitions. [2021-11-25 19:09:59,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:09:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 6974 states and 14012 transitions. [2021-11-25 19:09:59,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:09:59,539 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:09:59,539 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:09:59,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-11-25 19:09:59,539 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:09:59,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:09:59,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1477481080, now seen corresponding path program 21 times [2021-11-25 19:09:59,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:09:59,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209449722] [2021-11-25 19:09:59,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:09:59,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:09:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:09:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:09:59,986 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:09:59,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209449722] [2021-11-25 19:09:59,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209449722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:09:59,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:09:59,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:09:59,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313443006] [2021-11-25 19:09:59,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:09:59,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:09:59,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:09:59,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:09:59,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:09:59,987 INFO L87 Difference]: Start difference. First operand 6974 states and 14012 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:02,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:02,930 INFO L93 Difference]: Finished difference Result 7676 states and 15422 transitions. [2021-11-25 19:10:02,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 19:10:02,930 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:02,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:02,939 INFO L225 Difference]: With dead ends: 7676 [2021-11-25 19:10:02,939 INFO L226 Difference]: Without dead ends: 7676 [2021-11-25 19:10:02,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=247, Invalid=623, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:10:02,940 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 527 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 3094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 2852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:02,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [527 Valid, 428 Invalid, 3094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 2852 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 19:10:02,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7676 states. [2021-11-25 19:10:03,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7676 to 6961. [2021-11-25 19:10:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6961 states, 6891 states have (on average 2.0296038310840228) internal successors, (13986), 6960 states have internal predecessors, (13986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:03,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6961 states to 6961 states and 13986 transitions. [2021-11-25 19:10:03,032 INFO L78 Accepts]: Start accepts. Automaton has 6961 states and 13986 transitions. Word has length 30 [2021-11-25 19:10:03,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:03,032 INFO L470 AbstractCegarLoop]: Abstraction has 6961 states and 13986 transitions. [2021-11-25 19:10:03,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 6961 states and 13986 transitions. [2021-11-25 19:10:03,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:03,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:03,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:03,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-11-25 19:10:03,034 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:03,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:03,034 INFO L85 PathProgramCache]: Analyzing trace with hash 512020352, now seen corresponding path program 22 times [2021-11-25 19:10:03,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:03,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843534820] [2021-11-25 19:10:03,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:03,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:03,446 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:03,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843534820] [2021-11-25 19:10:03,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843534820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:03,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:03,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:03,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991163624] [2021-11-25 19:10:03,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:03,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:03,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:03,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:03,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:03,447 INFO L87 Difference]: Start difference. First operand 6961 states and 13986 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:05,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:05,764 INFO L93 Difference]: Finished difference Result 7562 states and 15194 transitions. [2021-11-25 19:10:05,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:10:05,764 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:05,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:05,774 INFO L225 Difference]: With dead ends: 7562 [2021-11-25 19:10:05,774 INFO L226 Difference]: Without dead ends: 7562 [2021-11-25 19:10:05,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2021-11-25 19:10:05,775 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 501 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:05,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [501 Valid, 426 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 2416 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 19:10:05,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7562 states. [2021-11-25 19:10:05,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7562 to 6963. [2021-11-25 19:10:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6963 states, 6893 states have (on average 2.029595241549398) internal successors, (13990), 6962 states have internal predecessors, (13990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6963 states to 6963 states and 13990 transitions. [2021-11-25 19:10:05,882 INFO L78 Accepts]: Start accepts. Automaton has 6963 states and 13990 transitions. Word has length 30 [2021-11-25 19:10:05,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:05,882 INFO L470 AbstractCegarLoop]: Abstraction has 6963 states and 13990 transitions. [2021-11-25 19:10:05,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 6963 states and 13990 transitions. [2021-11-25 19:10:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:05,884 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:05,884 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:05,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-11-25 19:10:05,885 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:05,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:05,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1379062602, now seen corresponding path program 23 times [2021-11-25 19:10:05,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:05,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688885444] [2021-11-25 19:10:05,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:05,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:06,304 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:06,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688885444] [2021-11-25 19:10:06,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688885444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:06,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:06,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:06,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519411382] [2021-11-25 19:10:06,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:06,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:06,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:06,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:06,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:06,305 INFO L87 Difference]: Start difference. First operand 6963 states and 13990 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:09,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:09,255 INFO L93 Difference]: Finished difference Result 7620 states and 15310 transitions. [2021-11-25 19:10:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:10:09,255 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:09,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:09,265 INFO L225 Difference]: With dead ends: 7620 [2021-11-25 19:10:09,265 INFO L226 Difference]: Without dead ends: 7620 [2021-11-25 19:10:09,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=234, Invalid=578, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:10:09,266 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 511 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 2901 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 3109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 2901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:09,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [511 Valid, 435 Invalid, 3109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 2901 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:10:09,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7620 states. [2021-11-25 19:10:09,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7620 to 6962. [2021-11-25 19:10:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6962 states, 6892 states have (on average 2.0295995356935577) internal successors, (13988), 6961 states have internal predecessors, (13988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6962 states to 6962 states and 13988 transitions. [2021-11-25 19:10:09,370 INFO L78 Accepts]: Start accepts. Automaton has 6962 states and 13988 transitions. Word has length 30 [2021-11-25 19:10:09,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:09,371 INFO L470 AbstractCegarLoop]: Abstraction has 6962 states and 13988 transitions. [2021-11-25 19:10:09,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 6962 states and 13988 transitions. [2021-11-25 19:10:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:09,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:09,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:09,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-11-25 19:10:09,373 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:09,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:09,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1796895616, now seen corresponding path program 24 times [2021-11-25 19:10:09,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:09,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420709092] [2021-11-25 19:10:09,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:09,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:09,841 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:09,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420709092] [2021-11-25 19:10:09,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420709092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:09,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:09,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:09,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974136848] [2021-11-25 19:10:09,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:09,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:09,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:09,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:09,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:09,842 INFO L87 Difference]: Start difference. First operand 6962 states and 13988 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:13,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:13,425 INFO L93 Difference]: Finished difference Result 7678 states and 15426 transitions. [2021-11-25 19:10:13,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 19:10:13,426 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:13,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:13,435 INFO L225 Difference]: With dead ends: 7678 [2021-11-25 19:10:13,435 INFO L226 Difference]: Without dead ends: 7678 [2021-11-25 19:10:13,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=249, Invalid=621, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:10:13,436 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 493 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 3762 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 3957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 3762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:13,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [493 Valid, 451 Invalid, 3957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 3762 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 19:10:13,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7678 states. [2021-11-25 19:10:13,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7678 to 6961. [2021-11-25 19:10:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6961 states, 6891 states have (on average 2.0296038310840228) internal successors, (13986), 6960 states have internal predecessors, (13986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6961 states to 6961 states and 13986 transitions. [2021-11-25 19:10:13,531 INFO L78 Accepts]: Start accepts. Automaton has 6961 states and 13986 transitions. Word has length 30 [2021-11-25 19:10:13,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:13,531 INFO L470 AbstractCegarLoop]: Abstraction has 6961 states and 13986 transitions. [2021-11-25 19:10:13,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 6961 states and 13986 transitions. [2021-11-25 19:10:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:13,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:13,533 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:13,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-11-25 19:10:13,533 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:13,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:13,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1141756342, now seen corresponding path program 25 times [2021-11-25 19:10:13,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:13,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148816210] [2021-11-25 19:10:13,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:13,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:13,948 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:13,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148816210] [2021-11-25 19:10:13,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148816210] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:13,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:13,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:13,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025941321] [2021-11-25 19:10:13,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:13,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:13,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:13,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:13,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:13,949 INFO L87 Difference]: Start difference. First operand 6961 states and 13986 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:17,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:17,125 INFO L93 Difference]: Finished difference Result 7791 states and 15648 transitions. [2021-11-25 19:10:17,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 19:10:17,125 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:17,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:17,135 INFO L225 Difference]: With dead ends: 7791 [2021-11-25 19:10:17,136 INFO L226 Difference]: Without dead ends: 7791 [2021-11-25 19:10:17,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=267, Invalid=663, Unknown=0, NotChecked=0, Total=930 [2021-11-25 19:10:17,136 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 526 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 3520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:17,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [526 Valid, 438 Invalid, 3520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 3285 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-25 19:10:17,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7791 states. [2021-11-25 19:10:17,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7791 to 6937. [2021-11-25 19:10:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6937 states, 6867 states have (on average 2.0297072957623414) internal successors, (13938), 6936 states have internal predecessors, (13938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6937 states to 6937 states and 13938 transitions. [2021-11-25 19:10:17,241 INFO L78 Accepts]: Start accepts. Automaton has 6937 states and 13938 transitions. Word has length 30 [2021-11-25 19:10:17,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:17,241 INFO L470 AbstractCegarLoop]: Abstraction has 6937 states and 13938 transitions. [2021-11-25 19:10:17,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 6937 states and 13938 transitions. [2021-11-25 19:10:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:17,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:17,243 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:17,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-11-25 19:10:17,244 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:17,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:17,244 INFO L85 PathProgramCache]: Analyzing trace with hash 199132558, now seen corresponding path program 26 times [2021-11-25 19:10:17,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:17,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126375073] [2021-11-25 19:10:17,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:17,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:17,818 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:17,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126375073] [2021-11-25 19:10:17,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126375073] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:17,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:17,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:17,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761842959] [2021-11-25 19:10:17,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:17,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:17,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:17,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:17,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:17,820 INFO L87 Difference]: Start difference. First operand 6937 states and 13938 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:21,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:21,480 INFO L93 Difference]: Finished difference Result 7520 states and 15110 transitions. [2021-11-25 19:10:21,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 19:10:21,480 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:21,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:21,489 INFO L225 Difference]: With dead ends: 7520 [2021-11-25 19:10:21,489 INFO L226 Difference]: Without dead ends: 7520 [2021-11-25 19:10:21,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2021-11-25 19:10:21,489 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 541 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 3509 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 3720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 3509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:21,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [541 Valid, 441 Invalid, 3720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 3509 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-25 19:10:21,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7520 states. [2021-11-25 19:10:21,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7520 to 6949. [2021-11-25 19:10:21,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6949 states, 6879 states have (on average 2.029655473179241) internal successors, (13962), 6948 states have internal predecessors, (13962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6949 states to 6949 states and 13962 transitions. [2021-11-25 19:10:21,577 INFO L78 Accepts]: Start accepts. Automaton has 6949 states and 13962 transitions. Word has length 30 [2021-11-25 19:10:21,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:21,577 INFO L470 AbstractCegarLoop]: Abstraction has 6949 states and 13962 transitions. [2021-11-25 19:10:21,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 6949 states and 13962 transitions. [2021-11-25 19:10:21,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:21,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:21,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:21,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-11-25 19:10:21,609 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:21,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:21,609 INFO L85 PathProgramCache]: Analyzing trace with hash 650604422, now seen corresponding path program 27 times [2021-11-25 19:10:21,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:21,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081146284] [2021-11-25 19:10:21,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:21,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:22,109 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:22,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081146284] [2021-11-25 19:10:22,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081146284] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:22,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:22,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:22,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315943561] [2021-11-25 19:10:22,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:22,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:22,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:22,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:22,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:22,110 INFO L87 Difference]: Start difference. First operand 6949 states and 13962 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:25,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:25,966 INFO L93 Difference]: Finished difference Result 7554 states and 15178 transitions. [2021-11-25 19:10:25,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:10:25,967 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:25,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:25,976 INFO L225 Difference]: With dead ends: 7554 [2021-11-25 19:10:25,976 INFO L226 Difference]: Without dead ends: 7554 [2021-11-25 19:10:25,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=204, Invalid=498, Unknown=0, NotChecked=0, Total=702 [2021-11-25 19:10:25,977 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 516 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 3968 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 4147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 3968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:25,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [516 Valid, 455 Invalid, 4147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 3968 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-25 19:10:25,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7554 states. [2021-11-25 19:10:26,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7554 to 6950. [2021-11-25 19:10:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6950 states, 6880 states have (on average 2.0296511627906977) internal successors, (13964), 6949 states have internal predecessors, (13964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:26,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6950 states to 6950 states and 13964 transitions. [2021-11-25 19:10:26,073 INFO L78 Accepts]: Start accepts. Automaton has 6950 states and 13964 transitions. Word has length 30 [2021-11-25 19:10:26,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:26,073 INFO L470 AbstractCegarLoop]: Abstraction has 6950 states and 13964 transitions. [2021-11-25 19:10:26,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:26,074 INFO L276 IsEmpty]: Start isEmpty. Operand 6950 states and 13964 transitions. [2021-11-25 19:10:26,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:26,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:26,075 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:26,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-11-25 19:10:26,075 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:26,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:26,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1517646672, now seen corresponding path program 28 times [2021-11-25 19:10:26,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:26,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10570640] [2021-11-25 19:10:26,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:26,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:26,562 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:26,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10570640] [2021-11-25 19:10:26,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10570640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:26,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:26,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:26,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068249955] [2021-11-25 19:10:26,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:26,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:26,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:26,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:26,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:26,564 INFO L87 Difference]: Start difference. First operand 6950 states and 13964 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:30,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:30,291 INFO L93 Difference]: Finished difference Result 7579 states and 15228 transitions. [2021-11-25 19:10:30,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:10:30,292 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:30,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:30,301 INFO L225 Difference]: With dead ends: 7579 [2021-11-25 19:10:30,301 INFO L226 Difference]: Without dead ends: 7579 [2021-11-25 19:10:30,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=238, Invalid=574, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:10:30,301 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 525 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 3793 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 3993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 3793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:30,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [525 Valid, 449 Invalid, 3993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 3793 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 19:10:30,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7579 states. [2021-11-25 19:10:30,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7579 to 6937. [2021-11-25 19:10:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6937 states, 6867 states have (on average 2.0297072957623414) internal successors, (13938), 6936 states have internal predecessors, (13938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6937 states to 6937 states and 13938 transitions. [2021-11-25 19:10:30,387 INFO L78 Accepts]: Start accepts. Automaton has 6937 states and 13938 transitions. Word has length 30 [2021-11-25 19:10:30,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:30,387 INFO L470 AbstractCegarLoop]: Abstraction has 6937 states and 13938 transitions. [2021-11-25 19:10:30,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 6937 states and 13938 transitions. [2021-11-25 19:10:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:30,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:30,388 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:30,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-11-25 19:10:30,389 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:30,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:30,389 INFO L85 PathProgramCache]: Analyzing trace with hash 508078862, now seen corresponding path program 29 times [2021-11-25 19:10:30,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:30,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169065415] [2021-11-25 19:10:30,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:30,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:30,810 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:30,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169065415] [2021-11-25 19:10:30,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169065415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:30,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:30,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:30,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20836809] [2021-11-25 19:10:30,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:30,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:30,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:30,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:30,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:30,812 INFO L87 Difference]: Start difference. First operand 6937 states and 13938 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:33,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:33,792 INFO L93 Difference]: Finished difference Result 7522 states and 15114 transitions. [2021-11-25 19:10:33,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 19:10:33,802 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:33,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:33,810 INFO L225 Difference]: With dead ends: 7522 [2021-11-25 19:10:33,810 INFO L226 Difference]: Without dead ends: 7522 [2021-11-25 19:10:33,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2021-11-25 19:10:33,811 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 517 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 3221 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 3413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 3221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:33,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [517 Valid, 444 Invalid, 3413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 3221 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 19:10:33,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7522 states. [2021-11-25 19:10:33,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7522 to 6938. [2021-11-25 19:10:33,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6938 states, 6868 states have (on average 2.0297029702970297) internal successors, (13940), 6937 states have internal predecessors, (13940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6938 states to 6938 states and 13940 transitions. [2021-11-25 19:10:33,971 INFO L78 Accepts]: Start accepts. Automaton has 6938 states and 13940 transitions. Word has length 30 [2021-11-25 19:10:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:33,971 INFO L470 AbstractCegarLoop]: Abstraction has 6938 states and 13940 transitions. [2021-11-25 19:10:33,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 6938 states and 13940 transitions. [2021-11-25 19:10:33,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:33,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:33,974 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:33,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-11-25 19:10:33,974 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:33,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:33,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1375121112, now seen corresponding path program 30 times [2021-11-25 19:10:33,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:33,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475981809] [2021-11-25 19:10:33,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:33,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:34,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:34,412 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:34,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475981809] [2021-11-25 19:10:34,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475981809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:34,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:34,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:34,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710622353] [2021-11-25 19:10:34,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:34,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:34,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:34,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:34,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:34,413 INFO L87 Difference]: Start difference. First operand 6938 states and 13940 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:37,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:37,828 INFO L93 Difference]: Finished difference Result 7580 states and 15230 transitions. [2021-11-25 19:10:37,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 19:10:37,829 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:37,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:37,837 INFO L225 Difference]: With dead ends: 7580 [2021-11-25 19:10:37,837 INFO L226 Difference]: Without dead ends: 7580 [2021-11-25 19:10:37,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=239, Invalid=573, Unknown=0, NotChecked=0, Total=812 [2021-11-25 19:10:37,838 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 528 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 3939 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 4126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 3939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:37,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [528 Valid, 452 Invalid, 4126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 3939 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:10:37,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7580 states. [2021-11-25 19:10:37,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7580 to 6937. [2021-11-25 19:10:37,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6937 states, 6867 states have (on average 2.0297072957623414) internal successors, (13938), 6936 states have internal predecessors, (13938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6937 states to 6937 states and 13938 transitions. [2021-11-25 19:10:37,917 INFO L78 Accepts]: Start accepts. Automaton has 6937 states and 13938 transitions. Word has length 30 [2021-11-25 19:10:37,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:37,917 INFO L470 AbstractCegarLoop]: Abstraction has 6937 states and 13938 transitions. [2021-11-25 19:10:37,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 6937 states and 13938 transitions. [2021-11-25 19:10:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:37,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:37,919 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:37,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-11-25 19:10:37,919 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:37,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:37,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1800837106, now seen corresponding path program 31 times [2021-11-25 19:10:37,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:37,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674521408] [2021-11-25 19:10:37,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:37,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:38,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:38,337 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:38,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674521408] [2021-11-25 19:10:38,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674521408] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:38,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:38,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:38,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852476494] [2021-11-25 19:10:38,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:38,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:38,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:38,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:38,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:38,339 INFO L87 Difference]: Start difference. First operand 6937 states and 13938 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:41,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:41,187 INFO L93 Difference]: Finished difference Result 7678 states and 15422 transitions. [2021-11-25 19:10:41,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 19:10:41,188 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:10:41,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:41,196 INFO L225 Difference]: With dead ends: 7678 [2021-11-25 19:10:41,196 INFO L226 Difference]: Without dead ends: 7678 [2021-11-25 19:10:41,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=256, Invalid=614, Unknown=0, NotChecked=0, Total=870 [2021-11-25 19:10:41,197 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 550 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 2972 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 3187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 2972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:41,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [550 Valid, 435 Invalid, 3187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 2972 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 19:10:41,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7678 states. [2021-11-25 19:10:41,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7678 to 6913. [2021-11-25 19:10:41,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6913 states, 6843 states have (on average 2.0298114861902676) internal successors, (13890), 6912 states have internal predecessors, (13890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:41,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 13890 transitions. [2021-11-25 19:10:41,277 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 13890 transitions. Word has length 30 [2021-11-25 19:10:41,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:41,277 INFO L470 AbstractCegarLoop]: Abstraction has 6913 states and 13890 transitions. [2021-11-25 19:10:41,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:10:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 13890 transitions. [2021-11-25 19:10:41,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:10:41,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:41,279 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:41,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-11-25 19:10:41,279 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-25 19:10:41,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:41,279 INFO L85 PathProgramCache]: Analyzing trace with hash 539498470, now seen corresponding path program 32 times [2021-11-25 19:10:41,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:41,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771072460] [2021-11-25 19:10:41,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:41,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:10:41,753 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:41,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771072460] [2021-11-25 19:10:41,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771072460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:41,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:41,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 19:10:41,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696469719] [2021-11-25 19:10:41,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:41,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 19:10:41,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:41,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 19:10:41,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-11-25 19:10:41,754 INFO L87 Difference]: Start difference. First operand 6913 states and 13890 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)