./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/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_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P --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 0.2.1-dev-53f42b1 [2021-11-21 01:54:21,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:54:21,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:54:21,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:54:21,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:54:21,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:54:21,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:54:21,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:54:21,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:54:21,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:54:21,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:54:21,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:54:21,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:54:21,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:54:21,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:54:21,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:54:21,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:54:21,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:54:21,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:54:21,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:54:21,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:54:21,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:54:21,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:54:21,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:54:21,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:54:21,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:54:21,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:54:21,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:54:21,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:54:22,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:54:22,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:54:22,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:54:22,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:54:22,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:54:22,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:54:22,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:54:22,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:54:22,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:54:22,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:54:22,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:54:22,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:54:22,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-21 01:54:22,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:54:22,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:54:22,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:54:22,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:54:22,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:54:22,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:54:22,070 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:54:22,070 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:54:22,070 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:54:22,071 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:54:22,072 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:54:22,072 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:54:22,073 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:54:22,073 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:54:22,073 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:54:22,073 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:54:22,074 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:54:22,074 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:54:22,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:54:22,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:54:22,075 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:54:22,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:54:22,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:54:22,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:54:22,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:54:22,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:54:22,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:54:22,079 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-21 01:54:22,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:54:22,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:54:22,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:54:22,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:54:22,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:54:22,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:54:22,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:54:22,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:54:22,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:54:22,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:54:22,082 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:54:22,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:54:22,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:54:22,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:54:22,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:54:22,083 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_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 [2021-11-21 01:54:22,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:54:22,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:54:22,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:54:22,387 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:54:22,388 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:54:22,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2021-11-21 01:54:22,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/data/71a537380/b953436c3b6f41f3bd8b58391d18ce3b/FLAG9c6114e59 [2021-11-21 01:54:23,179 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:54:23,180 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2021-11-21 01:54:23,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/data/71a537380/b953436c3b6f41f3bd8b58391d18ce3b/FLAG9c6114e59 [2021-11-21 01:54:23,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/data/71a537380/b953436c3b6f41f3bd8b58391d18ce3b [2021-11-21 01:54:23,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:54:23,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:54:23,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:54:23,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:54:23,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:54:23,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:23,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39385a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:23, skipping insertion in model container [2021-11-21 01:54:23,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:54:23" (1/1) ... [2021-11-21 01:54:23,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:54:23,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:54:24,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:54:24,057 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:54:24,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:54:24,212 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:54:24,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24 WrapperNode [2021-11-21 01:54:24,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:54:24,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:54:24,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:54:24,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:54:24,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (1/1) ... [2021-11-21 01:54:24,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (1/1) ... [2021-11-21 01:54:24,293 INFO L137 Inliner]: procedures = 370, calls = 51, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 241 [2021-11-21 01:54:24,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:54:24,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:54:24,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:54:24,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:54:24,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (1/1) ... [2021-11-21 01:54:24,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (1/1) ... [2021-11-21 01:54:24,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (1/1) ... [2021-11-21 01:54:24,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (1/1) ... [2021-11-21 01:54:24,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (1/1) ... [2021-11-21 01:54:24,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (1/1) ... [2021-11-21 01:54:24,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (1/1) ... [2021-11-21 01:54:24,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:54:24,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:54:24,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:54:24,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:54:24,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (1/1) ... [2021-11-21 01:54:24,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:54:24,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:54:24,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:54:24,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d33d06-8dff-4db3-887a-926e1dfc3078/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:54:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:54:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:54:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:54:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:54:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:54:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:54:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 01:54:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:54:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:54:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:54:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-21 01:54:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-21 01:54:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:54:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:54:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:54:24,430 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 01:54:24,553 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:54:24,555 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:54:25,197 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:54:25,209 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:54:25,209 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 01:54:25,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:54:25 BoogieIcfgContainer [2021-11-21 01:54:25,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:54:25,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:54:25,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:54:25,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:54:25,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:54:23" (1/3) ... [2021-11-21 01:54:25,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5754a3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:54:25, skipping insertion in model container [2021-11-21 01:54:25,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:54:24" (2/3) ... [2021-11-21 01:54:25,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5754a3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:54:25, skipping insertion in model container [2021-11-21 01:54:25,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:54:25" (3/3) ... [2021-11-21 01:54:25,220 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.i [2021-11-21 01:54:25,224 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-21 01:54:25,225 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:54:25,225 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2021-11-21 01:54:25,225 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-21 01:54:25,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:54:25,396 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-21 01:54:25,439 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:54:25,446 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 [2021-11-21 01:54:25,447 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-21 01:54:25,473 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-21 01:54:25,491 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 279 transitions, 563 flow [2021-11-21 01:54:25,498 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 279 transitions, 563 flow [2021-11-21 01:54:25,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 279 transitions, 563 flow [2021-11-21 01:54:25,627 INFO L129 PetriNetUnfolder]: 2/278 cut-off events. [2021-11-21 01:54:25,627 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-21 01:54:25,634 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. [2021-11-21 01:54:25,654 INFO L116 LiptonReduction]: Number of co-enabled transitions 19488 [2021-11-21 01:55:20,815 WARN L227 SmtUtils]: Spent 7.11s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-21 01:55:28,540 WARN L227 SmtUtils]: Spent 7.72s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-21 01:55:40,150 WARN L227 SmtUtils]: Spent 7.06s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-21 01:55:58,992 WARN L227 SmtUtils]: Spent 18.82s on a formula simplification. DAG size of input: 232 DAG size of output: 230 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-21 01:56:09,529 WARN L227 SmtUtils]: Spent 10.54s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-21 01:56:43,722 WARN L227 SmtUtils]: Spent 34.19s on a formula simplification. DAG size of input: 232 DAG size of output: 230 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-21 01:56:59,577 WARN L227 SmtUtils]: Spent 15.85s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-21 01:56:59,586 INFO L131 LiptonReduction]: Checked pairs total: 143976 [2021-11-21 01:56:59,586 INFO L133 LiptonReduction]: Total number of compositions: 173 [2021-11-21 01:56:59,594 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133 places, 131 transitions, 267 flow [2021-11-21 01:56:59,725 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) [2021-11-21 01:56:59,736 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) [2021-11-21 01:56:59,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-21 01:56:59,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:56:59,743 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-21 01:56:59,744 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)] === [2021-11-21 01:56:59,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:56:59,750 INFO L85 PathProgramCache]: Analyzing trace with hash 864, now seen corresponding path program 1 times [2021-11-21 01:56:59,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:56:59,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463242400] [2021-11-21 01:56:59,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:56:59,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:56:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:56:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:56:59,907 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:56:59,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463242400] [2021-11-21 01:56:59,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463242400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:56:59,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:56:59,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-21 01:56:59,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712961414] [2021-11-21 01:56:59,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:56:59,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:56:59,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:56:59,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:56:59,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:56:59,951 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) [2021-11-21 01:57:00,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:00,205 INFO L93 Difference]: Finished difference Result 3791 states and 7511 transitions. [2021-11-21 01:57:00,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:57:00,208 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 [2021-11-21 01:57:00,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:00,249 INFO L225 Difference]: With dead ends: 3791 [2021-11-21 01:57:00,250 INFO L226 Difference]: Without dead ends: 3791 [2021-11-21 01:57:00,251 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 [2021-11-21 01:57:00,254 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, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:00,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:57:00,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2021-11-21 01:57:00,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3791. [2021-11-21 01:57:00,461 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) [2021-11-21 01:57:00,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 7511 transitions. [2021-11-21 01:57:00,483 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 7511 transitions. Word has length 1 [2021-11-21 01:57:00,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:00,483 INFO L470 AbstractCegarLoop]: Abstraction has 3791 states and 7511 transitions. [2021-11-21 01:57:00,484 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) [2021-11-21 01:57:00,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 7511 transitions. [2021-11-21 01:57:00,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:57:00,485 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:00,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:00,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:57:00,486 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)] === [2021-11-21 01:57:00,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:00,490 INFO L85 PathProgramCache]: Analyzing trace with hash 618582649, now seen corresponding path program 1 times [2021-11-21 01:57:00,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:00,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134394736] [2021-11-21 01:57:00,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:00,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:00,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:00,781 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:00,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134394736] [2021-11-21 01:57:00,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134394736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:00,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:00,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:57:00,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580862245] [2021-11-21 01:57:00,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:00,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:57:00,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:00,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:57:00,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:57:00,785 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) [2021-11-21 01:57:01,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:01,668 INFO L93 Difference]: Finished difference Result 3996 states and 7917 transitions. [2021-11-21 01:57:01,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:57:01,669 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 [2021-11-21 01:57:01,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:01,699 INFO L225 Difference]: With dead ends: 3996 [2021-11-21 01:57:01,699 INFO L226 Difference]: Without dead ends: 3996 [2021-11-21 01:57:01,699 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 [2021-11-21 01:57:01,701 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, 0.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:01,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 104 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-21 01:57:01,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2021-11-21 01:57:01,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3996. [2021-11-21 01:57:01,831 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) [2021-11-21 01:57:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3996 states and 7917 transitions. [2021-11-21 01:57:01,851 INFO L78 Accepts]: Start accepts. Automaton has 3996 states and 7917 transitions. Word has length 8 [2021-11-21 01:57:01,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:01,851 INFO L470 AbstractCegarLoop]: Abstraction has 3996 states and 7917 transitions. [2021-11-21 01:57:01,851 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) [2021-11-21 01:57:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3996 states and 7917 transitions. [2021-11-21 01:57:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 01:57:01,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:01,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:01,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:57:01,853 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)] === [2021-11-21 01:57:01,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash -631771105, now seen corresponding path program 1 times [2021-11-21 01:57:01,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:01,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649905604] [2021-11-21 01:57:01,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:01,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:02,044 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:02,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649905604] [2021-11-21 01:57:02,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649905604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:02,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:02,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:57:02,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536939685] [2021-11-21 01:57:02,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:02,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:57:02,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:02,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:57:02,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:57:02,046 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) [2021-11-21 01:57:03,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:03,457 INFO L93 Difference]: Finished difference Result 4331 states and 8587 transitions. [2021-11-21 01:57:03,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:57:03,458 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 [2021-11-21 01:57:03,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:03,489 INFO L225 Difference]: With dead ends: 4331 [2021-11-21 01:57:03,489 INFO L226 Difference]: Without dead ends: 4331 [2021-11-21 01:57:03,489 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 [2021-11-21 01:57:03,492 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 134 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:03,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 117 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 01:57:03,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2021-11-21 01:57:03,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 4261. [2021-11-21 01:57:03,635 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) [2021-11-21 01:57:03,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 8447 transitions. [2021-11-21 01:57:03,656 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 8447 transitions. Word has length 9 [2021-11-21 01:57:03,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:03,656 INFO L470 AbstractCegarLoop]: Abstraction has 4261 states and 8447 transitions. [2021-11-21 01:57:03,657 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) [2021-11-21 01:57:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 8447 transitions. [2021-11-21 01:57:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:03,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:03,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:03,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:57:03,659 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)] === [2021-11-21 01:57:03,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:03,659 INFO L85 PathProgramCache]: Analyzing trace with hash -782677637, now seen corresponding path program 1 times [2021-11-21 01:57:03,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:03,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488165455] [2021-11-21 01:57:03,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:03,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:03,890 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:03,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488165455] [2021-11-21 01:57:03,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488165455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:03,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:03,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:03,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826558534] [2021-11-21 01:57:03,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:03,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:03,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:03,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:03,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:03,891 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) [2021-11-21 01:57:06,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:06,234 INFO L93 Difference]: Finished difference Result 8580 states and 16961 transitions. [2021-11-21 01:57:06,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-21 01:57:06,235 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 [2021-11-21 01:57:06,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:06,315 INFO L225 Difference]: With dead ends: 8580 [2021-11-21 01:57:06,315 INFO L226 Difference]: Without dead ends: 8580 [2021-11-21 01:57:06,315 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 [2021-11-21 01:57:06,316 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 [2021-11-21 01:57:06,317 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] [2021-11-21 01:57:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8580 states. [2021-11-21 01:57:06,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8580 to 4327. [2021-11-21 01:57:06,522 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) [2021-11-21 01:57:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 4327 states and 8583 transitions. [2021-11-21 01:57:06,540 INFO L78 Accepts]: Start accepts. Automaton has 4327 states and 8583 transitions. Word has length 11 [2021-11-21 01:57:06,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:06,541 INFO L470 AbstractCegarLoop]: Abstraction has 4327 states and 8583 transitions. [2021-11-21 01:57:06,542 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) [2021-11-21 01:57:06,542 INFO L276 IsEmpty]: Start isEmpty. Operand 4327 states and 8583 transitions. [2021-11-21 01:57:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:06,545 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:06,545 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:06,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:57:06,546 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)] === [2021-11-21 01:57:06,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:06,548 INFO L85 PathProgramCache]: Analyzing trace with hash 340723425, now seen corresponding path program 1 times [2021-11-21 01:57:06,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:06,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175535037] [2021-11-21 01:57:06,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:06,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:06,734 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:06,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175535037] [2021-11-21 01:57:06,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175535037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:06,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:06,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:06,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437938816] [2021-11-21 01:57:06,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:06,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:06,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:06,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:06,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:06,736 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) [2021-11-21 01:57:09,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:09,025 INFO L93 Difference]: Finished difference Result 8381 states and 16563 transitions. [2021-11-21 01:57:09,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:57:09,025 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 [2021-11-21 01:57:09,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:09,053 INFO L225 Difference]: With dead ends: 8381 [2021-11-21 01:57:09,053 INFO L226 Difference]: Without dead ends: 8381 [2021-11-21 01:57:09,054 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 [2021-11-21 01:57:09,054 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 568 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:09,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [568 Valid, 610 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:57:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8381 states. [2021-11-21 01:57:09,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8381 to 4356. [2021-11-21 01:57:09,272 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) [2021-11-21 01:57:09,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 4356 states and 8641 transitions. [2021-11-21 01:57:09,287 INFO L78 Accepts]: Start accepts. Automaton has 4356 states and 8641 transitions. Word has length 11 [2021-11-21 01:57:09,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:09,287 INFO L470 AbstractCegarLoop]: Abstraction has 4356 states and 8641 transitions. [2021-11-21 01:57:09,287 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) [2021-11-21 01:57:09,287 INFO L276 IsEmpty]: Start isEmpty. Operand 4356 states and 8641 transitions. [2021-11-21 01:57:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:09,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:09,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:09,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:57:09,294 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)] === [2021-11-21 01:57:09,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:09,296 INFO L85 PathProgramCache]: Analyzing trace with hash 947558989, now seen corresponding path program 2 times [2021-11-21 01:57:09,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:09,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093629441] [2021-11-21 01:57:09,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:09,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:09,623 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:09,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093629441] [2021-11-21 01:57:09,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093629441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:09,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:09,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:09,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417551878] [2021-11-21 01:57:09,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:09,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:09,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:09,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:09,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:09,625 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) [2021-11-21 01:57:11,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:11,797 INFO L93 Difference]: Finished difference Result 4651 states and 9175 transitions. [2021-11-21 01:57:11,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:57:11,803 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 [2021-11-21 01:57:11,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:11,817 INFO L225 Difference]: With dead ends: 4651 [2021-11-21 01:57:11,817 INFO L226 Difference]: Without dead ends: 4651 [2021-11-21 01:57:11,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:57:11,819 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 338 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 1920 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:11,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 450 Invalid, 1995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1920 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 01:57:11,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4651 states. [2021-11-21 01:57:11,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4651 to 4351. [2021-11-21 01:57:11,931 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) [2021-11-21 01:57:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4351 states to 4351 states and 8631 transitions. [2021-11-21 01:57:11,945 INFO L78 Accepts]: Start accepts. Automaton has 4351 states and 8631 transitions. Word has length 11 [2021-11-21 01:57:11,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:11,945 INFO L470 AbstractCegarLoop]: Abstraction has 4351 states and 8631 transitions. [2021-11-21 01:57:11,945 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) [2021-11-21 01:57:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 4351 states and 8631 transitions. [2021-11-21 01:57:11,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:11,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:11,946 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:11,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 01:57:11,947 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)] === [2021-11-21 01:57:11,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:11,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1323708025, now seen corresponding path program 3 times [2021-11-21 01:57:11,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:11,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002721205] [2021-11-21 01:57:11,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:11,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:12,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:12,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002721205] [2021-11-21 01:57:12,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002721205] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:12,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:12,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:12,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433966332] [2021-11-21 01:57:12,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:12,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:12,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:12,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:12,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:12,202 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) [2021-11-21 01:57:14,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:14,640 INFO L93 Difference]: Finished difference Result 4621 states and 9115 transitions. [2021-11-21 01:57:14,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:57:14,642 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 [2021-11-21 01:57:14,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:14,654 INFO L225 Difference]: With dead ends: 4621 [2021-11-21 01:57:14,654 INFO L226 Difference]: Without dead ends: 4621 [2021-11-21 01:57:14,654 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 [2021-11-21 01:57:14,655 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:14,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 479 Invalid, 2593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:57:14,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4621 states. [2021-11-21 01:57:14,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4621 to 4346. [2021-11-21 01:57:14,750 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) [2021-11-21 01:57:14,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 8621 transitions. [2021-11-21 01:57:14,759 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 8621 transitions. Word has length 11 [2021-11-21 01:57:14,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:14,760 INFO L470 AbstractCegarLoop]: Abstraction has 4346 states and 8621 transitions. [2021-11-21 01:57:14,760 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) [2021-11-21 01:57:14,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 8621 transitions. [2021-11-21 01:57:14,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:14,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:14,761 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:14,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 01:57:14,761 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)] === [2021-11-21 01:57:14,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1534628305, now seen corresponding path program 4 times [2021-11-21 01:57:14,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:14,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901924977] [2021-11-21 01:57:14,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:14,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:14,998 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:14,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901924977] [2021-11-21 01:57:14,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901924977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:14,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:14,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:14,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211952807] [2021-11-21 01:57:14,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:14,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:14,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:15,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:15,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:15,000 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) [2021-11-21 01:57:17,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:17,457 INFO L93 Difference]: Finished difference Result 4563 states and 8998 transitions. [2021-11-21 01:57:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:57:17,458 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 [2021-11-21 01:57:17,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:17,467 INFO L225 Difference]: With dead ends: 4563 [2021-11-21 01:57:17,467 INFO L226 Difference]: Without dead ends: 4563 [2021-11-21 01:57:17,467 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 [2021-11-21 01:57:17,468 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 380 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 2532 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:17,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 483 Invalid, 2587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 2532 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:57:17,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4563 states. [2021-11-21 01:57:17,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4563 to 4336. [2021-11-21 01:57:17,554 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) [2021-11-21 01:57:17,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 8597 transitions. [2021-11-21 01:57:17,563 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 8597 transitions. Word has length 11 [2021-11-21 01:57:17,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:17,564 INFO L470 AbstractCegarLoop]: Abstraction has 4336 states and 8597 transitions. [2021-11-21 01:57:17,564 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) [2021-11-21 01:57:17,564 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 8597 transitions. [2021-11-21 01:57:17,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:17,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:17,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:17,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 01:57:17,565 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)] === [2021-11-21 01:57:17,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:17,566 INFO L85 PathProgramCache]: Analyzing trace with hash 798897489, now seen corresponding path program 5 times [2021-11-21 01:57:17,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:17,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325097325] [2021-11-21 01:57:17,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:17,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:17,736 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:17,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325097325] [2021-11-21 01:57:17,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325097325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:17,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:17,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:17,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642120992] [2021-11-21 01:57:17,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:17,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:17,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:17,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:17,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:17,738 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) [2021-11-21 01:57:20,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:20,119 INFO L93 Difference]: Finished difference Result 12542 states and 24813 transitions. [2021-11-21 01:57:20,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-21 01:57:20,120 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 [2021-11-21 01:57:20,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:20,142 INFO L225 Difference]: With dead ends: 12542 [2021-11-21 01:57:20,142 INFO L226 Difference]: Without dead ends: 12542 [2021-11-21 01:57:20,143 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 [2021-11-21 01:57:20,144 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 [2021-11-21 01:57:20,144 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] [2021-11-21 01:57:20,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12542 states. [2021-11-21 01:57:20,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12542 to 4387. [2021-11-21 01:57:20,280 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) [2021-11-21 01:57:20,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 4387 states and 8703 transitions. [2021-11-21 01:57:20,320 INFO L78 Accepts]: Start accepts. Automaton has 4387 states and 8703 transitions. Word has length 11 [2021-11-21 01:57:20,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:20,320 INFO L470 AbstractCegarLoop]: Abstraction has 4387 states and 8703 transitions. [2021-11-21 01:57:20,320 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) [2021-11-21 01:57:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 4387 states and 8703 transitions. [2021-11-21 01:57:20,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:20,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:20,321 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:20,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 01:57:20,321 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)] === [2021-11-21 01:57:20,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:20,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1922298551, now seen corresponding path program 2 times [2021-11-21 01:57:20,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:20,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941757659] [2021-11-21 01:57:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:20,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:20,540 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:20,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941757659] [2021-11-21 01:57:20,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941757659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:20,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:20,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:20,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851237560] [2021-11-21 01:57:20,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:20,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:20,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:20,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:20,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:20,542 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) [2021-11-21 01:57:22,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:22,410 INFO L93 Difference]: Finished difference Result 12355 states and 24439 transitions. [2021-11-21 01:57:22,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:57:22,411 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 [2021-11-21 01:57:22,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:22,434 INFO L225 Difference]: With dead ends: 12355 [2021-11-21 01:57:22,435 INFO L226 Difference]: Without dead ends: 12355 [2021-11-21 01:57:22,435 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 [2021-11-21 01:57:22,436 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 620 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:22,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 649 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 01:57:22,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12355 states. [2021-11-21 01:57:22,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12355 to 4366. [2021-11-21 01:57:22,573 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) [2021-11-21 01:57:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 4366 states and 8661 transitions. [2021-11-21 01:57:22,626 INFO L78 Accepts]: Start accepts. Automaton has 4366 states and 8661 transitions. Word has length 11 [2021-11-21 01:57:22,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:22,627 INFO L470 AbstractCegarLoop]: Abstraction has 4366 states and 8661 transitions. [2021-11-21 01:57:22,627 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) [2021-11-21 01:57:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4366 states and 8661 transitions. [2021-11-21 01:57:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:22,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:22,627 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:22,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 01:57:22,628 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)] === [2021-11-21 01:57:22,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:22,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1101481365, now seen corresponding path program 3 times [2021-11-21 01:57:22,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:22,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622658575] [2021-11-21 01:57:22,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:22,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:22,833 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:22,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622658575] [2021-11-21 01:57:22,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622658575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:22,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:22,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:22,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132672864] [2021-11-21 01:57:22,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:22,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:22,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:22,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:22,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:22,835 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) [2021-11-21 01:57:24,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:24,061 INFO L93 Difference]: Finished difference Result 8477 states and 16755 transitions. [2021-11-21 01:57:24,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:57:24,061 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 [2021-11-21 01:57:24,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:24,077 INFO L225 Difference]: With dead ends: 8477 [2021-11-21 01:57:24,078 INFO L226 Difference]: Without dead ends: 8477 [2021-11-21 01:57:24,078 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 [2021-11-21 01:57:24,078 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 [2021-11-21 01:57:24,079 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] [2021-11-21 01:57:24,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8477 states. [2021-11-21 01:57:24,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8477 to 4361. [2021-11-21 01:57:24,221 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) [2021-11-21 01:57:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4361 states to 4361 states and 8651 transitions. [2021-11-21 01:57:24,230 INFO L78 Accepts]: Start accepts. Automaton has 4361 states and 8651 transitions. Word has length 11 [2021-11-21 01:57:24,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:24,231 INFO L470 AbstractCegarLoop]: Abstraction has 4361 states and 8651 transitions. [2021-11-21 01:57:24,231 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) [2021-11-21 01:57:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4361 states and 8651 transitions. [2021-11-21 01:57:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:24,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:24,232 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:24,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 01:57:24,232 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)] === [2021-11-21 01:57:24,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:24,233 INFO L85 PathProgramCache]: Analyzing trace with hash -642784033, now seen corresponding path program 4 times [2021-11-21 01:57:24,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:24,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125866867] [2021-11-21 01:57:24,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:24,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:24,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:24,393 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:24,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125866867] [2021-11-21 01:57:24,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125866867] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:24,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:24,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:24,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286094393] [2021-11-21 01:57:24,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:24,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:24,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:24,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:24,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:24,394 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) [2021-11-21 01:57:26,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:26,113 INFO L93 Difference]: Finished difference Result 8447 states and 16695 transitions. [2021-11-21 01:57:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:57:26,113 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 [2021-11-21 01:57:26,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:26,124 INFO L225 Difference]: With dead ends: 8447 [2021-11-21 01:57:26,124 INFO L226 Difference]: Without dead ends: 8447 [2021-11-21 01:57:26,125 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 [2021-11-21 01:57:26,125 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 [2021-11-21 01:57:26,126 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] [2021-11-21 01:57:26,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8447 states. [2021-11-21 01:57:26,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8447 to 4356. [2021-11-21 01:57:26,272 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) [2021-11-21 01:57:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 4356 states and 8641 transitions. [2021-11-21 01:57:26,283 INFO L78 Accepts]: Start accepts. Automaton has 4356 states and 8641 transitions. Word has length 11 [2021-11-21 01:57:26,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:26,284 INFO L470 AbstractCegarLoop]: Abstraction has 4356 states and 8641 transitions. [2021-11-21 01:57:26,284 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) [2021-11-21 01:57:26,284 INFO L276 IsEmpty]: Start isEmpty. Operand 4356 states and 8641 transitions. [2021-11-21 01:57:26,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:26,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:26,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:26,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 01:57:26,285 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)] === [2021-11-21 01:57:26,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:26,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1008319603, now seen corresponding path program 5 times [2021-11-21 01:57:26,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:26,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954983888] [2021-11-21 01:57:26,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:26,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:26,497 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:26,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954983888] [2021-11-21 01:57:26,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954983888] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:26,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:26,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:26,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257602763] [2021-11-21 01:57:26,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:26,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:26,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:26,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:26,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:26,499 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) [2021-11-21 01:57:28,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:28,587 INFO L93 Difference]: Finished difference Result 8388 states and 16577 transitions. [2021-11-21 01:57:28,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:57:28,587 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 [2021-11-21 01:57:28,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:28,597 INFO L225 Difference]: With dead ends: 8388 [2021-11-21 01:57:28,598 INFO L226 Difference]: Without dead ends: 8388 [2021-11-21 01:57:28,598 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 [2021-11-21 01:57:28,598 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 461 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:28,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [461 Valid, 430 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:57:28,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8388 states. [2021-11-21 01:57:28,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8388 to 4346. [2021-11-21 01:57:28,693 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) [2021-11-21 01:57:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 8617 transitions. [2021-11-21 01:57:28,702 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 8617 transitions. Word has length 11 [2021-11-21 01:57:28,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:28,702 INFO L470 AbstractCegarLoop]: Abstraction has 4346 states and 8617 transitions. [2021-11-21 01:57:28,702 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) [2021-11-21 01:57:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 8617 transitions. [2021-11-21 01:57:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:28,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:28,703 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:28,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 01:57:28,704 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)] === [2021-11-21 01:57:28,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:28,704 INFO L85 PathProgramCache]: Analyzing trace with hash -395723853, now seen corresponding path program 6 times [2021-11-21 01:57:28,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:28,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087740010] [2021-11-21 01:57:28,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:28,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:28,883 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:28,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087740010] [2021-11-21 01:57:28,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087740010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:28,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:28,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:28,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281061455] [2021-11-21 01:57:28,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:28,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:28,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:28,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:28,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:28,884 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) [2021-11-21 01:57:31,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:31,786 INFO L93 Difference]: Finished difference Result 8351 states and 16555 transitions. [2021-11-21 01:57:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-21 01:57:31,787 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 [2021-11-21 01:57:31,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:31,797 INFO L225 Difference]: With dead ends: 8351 [2021-11-21 01:57:31,797 INFO L226 Difference]: Without dead ends: 8351 [2021-11-21 01:57:31,797 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 [2021-11-21 01:57:31,798 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 667 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 2847 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:31,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [667 Valid, 504 Invalid, 2912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2847 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 01:57:31,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8351 states. [2021-11-21 01:57:31,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8351 to 4238. [2021-11-21 01:57:31,872 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) [2021-11-21 01:57:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 4238 states and 8401 transitions. [2021-11-21 01:57:31,881 INFO L78 Accepts]: Start accepts. Automaton has 4238 states and 8401 transitions. Word has length 11 [2021-11-21 01:57:31,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:31,882 INFO L470 AbstractCegarLoop]: Abstraction has 4238 states and 8401 transitions. [2021-11-21 01:57:31,882 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) [2021-11-21 01:57:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 8401 transitions. [2021-11-21 01:57:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:31,883 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:31,883 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:31,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-21 01:57:31,883 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)] === [2021-11-21 01:57:31,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:31,884 INFO L85 PathProgramCache]: Analyzing trace with hash 727677209, now seen corresponding path program 6 times [2021-11-21 01:57:31,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:31,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915545697] [2021-11-21 01:57:31,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:31,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:32,056 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:32,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915545697] [2021-11-21 01:57:32,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915545697] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:32,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:32,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:32,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619637454] [2021-11-21 01:57:32,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:32,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:32,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:32,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:32,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:32,057 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) [2021-11-21 01:57:33,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:33,322 INFO L93 Difference]: Finished difference Result 8233 states and 16319 transitions. [2021-11-21 01:57:33,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:57:33,323 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 [2021-11-21 01:57:33,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:33,334 INFO L225 Difference]: With dead ends: 8233 [2021-11-21 01:57:33,334 INFO L226 Difference]: Without dead ends: 8233 [2021-11-21 01:57:33,335 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 [2021-11-21 01:57:33,336 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 [2021-11-21 01:57:33,336 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] [2021-11-21 01:57:33,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8233 states. [2021-11-21 01:57:33,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8233 to 4192. [2021-11-21 01:57:33,432 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) [2021-11-21 01:57:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 4192 states and 8309 transitions. [2021-11-21 01:57:33,443 INFO L78 Accepts]: Start accepts. Automaton has 4192 states and 8309 transitions. Word has length 11 [2021-11-21 01:57:33,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:33,443 INFO L470 AbstractCegarLoop]: Abstraction has 4192 states and 8309 transitions. [2021-11-21 01:57:33,443 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) [2021-11-21 01:57:33,443 INFO L276 IsEmpty]: Start isEmpty. Operand 4192 states and 8309 transitions. [2021-11-21 01:57:33,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:33,444 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:33,444 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:33,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-21 01:57:33,445 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)] === [2021-11-21 01:57:33,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:33,445 INFO L85 PathProgramCache]: Analyzing trace with hash -93139977, now seen corresponding path program 7 times [2021-11-21 01:57:33,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:33,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391055059] [2021-11-21 01:57:33,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:33,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:33,620 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:33,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391055059] [2021-11-21 01:57:33,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391055059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:33,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:33,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:33,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46038530] [2021-11-21 01:57:33,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:33,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:33,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:33,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:33,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:33,622 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) [2021-11-21 01:57:34,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:34,880 INFO L93 Difference]: Finished difference Result 8356 states and 16565 transitions. [2021-11-21 01:57:34,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:57:34,880 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 [2021-11-21 01:57:34,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:34,914 INFO L225 Difference]: With dead ends: 8356 [2021-11-21 01:57:34,914 INFO L226 Difference]: Without dead ends: 8356 [2021-11-21 01:57:34,914 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 [2021-11-21 01:57:34,915 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, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:34,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 312 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:57:34,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8356 states. [2021-11-21 01:57:34,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8356 to 4193. [2021-11-21 01:57:34,985 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) [2021-11-21 01:57:34,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8311 transitions. [2021-11-21 01:57:34,990 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8311 transitions. Word has length 11 [2021-11-21 01:57:34,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:34,991 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8311 transitions. [2021-11-21 01:57:34,991 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) [2021-11-21 01:57:34,991 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8311 transitions. [2021-11-21 01:57:34,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:34,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:34,991 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:34,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 01:57:34,992 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)] === [2021-11-21 01:57:34,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:34,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1837405375, now seen corresponding path program 8 times [2021-11-21 01:57:34,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:34,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350344629] [2021-11-21 01:57:34,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:34,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:35,164 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:35,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350344629] [2021-11-21 01:57:35,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350344629] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:35,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:35,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:35,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715597771] [2021-11-21 01:57:35,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:35,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:35,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:35,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:35,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:35,166 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) [2021-11-21 01:57:36,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:36,376 INFO L93 Difference]: Finished difference Result 8326 states and 16505 transitions. [2021-11-21 01:57:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:57:36,377 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 [2021-11-21 01:57:36,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:36,387 INFO L225 Difference]: With dead ends: 8326 [2021-11-21 01:57:36,387 INFO L226 Difference]: Without dead ends: 8326 [2021-11-21 01:57:36,388 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 [2021-11-21 01:57:36,388 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 422 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:36,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 307 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:57:36,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8326 states. [2021-11-21 01:57:36,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8326 to 4194. [2021-11-21 01:57:36,457 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) [2021-11-21 01:57:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4194 states to 4194 states and 8313 transitions. [2021-11-21 01:57:36,466 INFO L78 Accepts]: Start accepts. Automaton has 4194 states and 8313 transitions. Word has length 11 [2021-11-21 01:57:36,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:36,466 INFO L470 AbstractCegarLoop]: Abstraction has 4194 states and 8313 transitions. [2021-11-21 01:57:36,466 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) [2021-11-21 01:57:36,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4194 states and 8313 transitions. [2021-11-21 01:57:36,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:36,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:36,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:36,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-21 01:57:36,468 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)] === [2021-11-21 01:57:36,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:36,468 INFO L85 PathProgramCache]: Analyzing trace with hash 2092026351, now seen corresponding path program 9 times [2021-11-21 01:57:36,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:36,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765036319] [2021-11-21 01:57:36,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:36,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:36,651 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:36,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765036319] [2021-11-21 01:57:36,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765036319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:36,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:36,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:36,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447727547] [2021-11-21 01:57:36,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:36,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:36,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:36,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:36,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:36,653 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) [2021-11-21 01:57:38,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:38,866 INFO L93 Difference]: Finished difference Result 8267 states and 16387 transitions. [2021-11-21 01:57:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:57:38,867 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 [2021-11-21 01:57:38,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:38,877 INFO L225 Difference]: With dead ends: 8267 [2021-11-21 01:57:38,877 INFO L226 Difference]: Without dead ends: 8267 [2021-11-21 01:57:38,877 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 [2021-11-21 01:57:38,878 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 452 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 2201 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:38,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [452 Valid, 346 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2201 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 01:57:38,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8267 states. [2021-11-21 01:57:38,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8267 to 4191. [2021-11-21 01:57:38,947 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) [2021-11-21 01:57:38,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8307 transitions. [2021-11-21 01:57:38,954 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8307 transitions. Word has length 11 [2021-11-21 01:57:38,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:38,954 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8307 transitions. [2021-11-21 01:57:38,954 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) [2021-11-21 01:57:38,954 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8307 transitions. [2021-11-21 01:57:38,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:38,955 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:38,955 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:38,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-21 01:57:38,955 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)] === [2021-11-21 01:57:38,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:38,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1105071713, now seen corresponding path program 10 times [2021-11-21 01:57:38,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:38,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653149265] [2021-11-21 01:57:38,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:38,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:39,130 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:39,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653149265] [2021-11-21 01:57:39,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653149265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:39,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:39,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:39,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181300148] [2021-11-21 01:57:39,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:39,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:39,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:39,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:39,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:39,132 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) [2021-11-21 01:57:40,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:40,054 INFO L93 Difference]: Finished difference Result 4292 states and 8509 transitions. [2021-11-21 01:57:40,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 01:57:40,054 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 [2021-11-21 01:57:40,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:40,059 INFO L225 Difference]: With dead ends: 4292 [2021-11-21 01:57:40,059 INFO L226 Difference]: Without dead ends: 4292 [2021-11-21 01:57:40,060 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 [2021-11-21 01:57:40,060 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 [2021-11-21 01:57:40,060 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] [2021-11-21 01:57:40,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4292 states. [2021-11-21 01:57:40,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4292 to 4176. [2021-11-21 01:57:40,105 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) [2021-11-21 01:57:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 4176 states and 8277 transitions. [2021-11-21 01:57:40,111 INFO L78 Accepts]: Start accepts. Automaton has 4176 states and 8277 transitions. Word has length 11 [2021-11-21 01:57:40,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:40,112 INFO L470 AbstractCegarLoop]: Abstraction has 4176 states and 8277 transitions. [2021-11-21 01:57:40,112 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) [2021-11-21 01:57:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 8277 transitions. [2021-11-21 01:57:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:40,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:40,113 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:40,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 01:57:40,113 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)] === [2021-11-21 01:57:40,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:40,114 INFO L85 PathProgramCache]: Analyzing trace with hash -639193685, now seen corresponding path program 11 times [2021-11-21 01:57:40,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:40,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813369906] [2021-11-21 01:57:40,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:40,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:40,300 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:40,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813369906] [2021-11-21 01:57:40,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813369906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:40,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:40,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:40,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960796773] [2021-11-21 01:57:40,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:40,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:40,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:40,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:40,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:40,301 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) [2021-11-21 01:57:41,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:41,392 INFO L93 Difference]: Finished difference Result 4328 states and 8581 transitions. [2021-11-21 01:57:41,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 01:57:41,393 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 [2021-11-21 01:57:41,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:41,397 INFO L225 Difference]: With dead ends: 4328 [2021-11-21 01:57:41,397 INFO L226 Difference]: Without dead ends: 4328 [2021-11-21 01:57:41,398 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 [2021-11-21 01:57:41,398 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, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:41,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 151 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:57:41,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4328 states. [2021-11-21 01:57:41,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4328 to 4177. [2021-11-21 01:57:41,448 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) [2021-11-21 01:57:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 8279 transitions. [2021-11-21 01:57:41,454 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 8279 transitions. Word has length 11 [2021-11-21 01:57:41,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:41,454 INFO L470 AbstractCegarLoop]: Abstraction has 4177 states and 8279 transitions. [2021-11-21 01:57:41,454 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) [2021-11-21 01:57:41,454 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 8279 transitions. [2021-11-21 01:57:41,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:41,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:41,455 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:41,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-21 01:57:41,455 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)] === [2021-11-21 01:57:41,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:41,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1004729255, now seen corresponding path program 12 times [2021-11-21 01:57:41,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:41,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417474123] [2021-11-21 01:57:41,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:41,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:41,652 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:41,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417474123] [2021-11-21 01:57:41,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417474123] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:41,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:41,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:41,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332422565] [2021-11-21 01:57:41,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:41,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:41,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:41,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:41,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:41,653 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) [2021-11-21 01:57:42,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:42,750 INFO L93 Difference]: Finished difference Result 4269 states and 8463 transitions. [2021-11-21 01:57:42,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:57:42,750 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 [2021-11-21 01:57:42,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:42,755 INFO L225 Difference]: With dead ends: 4269 [2021-11-21 01:57:42,755 INFO L226 Difference]: Without dead ends: 4269 [2021-11-21 01:57:42,756 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 [2021-11-21 01:57:42,756 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 185 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:42,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 144 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-21 01:57:42,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4269 states. [2021-11-21 01:57:42,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 4175. [2021-11-21 01:57:42,822 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) [2021-11-21 01:57:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4175 states to 4175 states and 8275 transitions. [2021-11-21 01:57:42,831 INFO L78 Accepts]: Start accepts. Automaton has 4175 states and 8275 transitions. Word has length 11 [2021-11-21 01:57:42,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:42,831 INFO L470 AbstractCegarLoop]: Abstraction has 4175 states and 8275 transitions. [2021-11-21 01:57:42,831 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) [2021-11-21 01:57:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 4175 states and 8275 transitions. [2021-11-21 01:57:42,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:42,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:42,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:42,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-21 01:57:42,833 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)] === [2021-11-21 01:57:42,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:42,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1982623001, now seen corresponding path program 13 times [2021-11-21 01:57:42,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:42,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913091627] [2021-11-21 01:57:42,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:42,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:43,021 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:43,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913091627] [2021-11-21 01:57:43,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913091627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:43,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:43,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:43,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75459209] [2021-11-21 01:57:43,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:43,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:43,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:43,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:43,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:43,023 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) [2021-11-21 01:57:44,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:44,345 INFO L93 Difference]: Finished difference Result 4261 states and 8447 transitions. [2021-11-21 01:57:44,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 01:57:44,345 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 [2021-11-21 01:57:44,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:44,351 INFO L225 Difference]: With dead ends: 4261 [2021-11-21 01:57:44,351 INFO L226 Difference]: Without dead ends: 4261 [2021-11-21 01:57:44,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:57:44,351 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 198 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:44,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 163 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:57:44,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2021-11-21 01:57:44,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 4160. [2021-11-21 01:57:44,418 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) [2021-11-21 01:57:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 4160 states and 8245 transitions. [2021-11-21 01:57:44,424 INFO L78 Accepts]: Start accepts. Automaton has 4160 states and 8245 transitions. Word has length 11 [2021-11-21 01:57:44,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:44,424 INFO L470 AbstractCegarLoop]: Abstraction has 4160 states and 8245 transitions. [2021-11-21 01:57:44,424 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) [2021-11-21 01:57:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 4160 states and 8245 transitions. [2021-11-21 01:57:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:44,425 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:44,425 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:44,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-21 01:57:44,425 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)] === [2021-11-21 01:57:44,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:44,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1617087431, now seen corresponding path program 14 times [2021-11-21 01:57:44,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:44,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940208981] [2021-11-21 01:57:44,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:44,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:44,618 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:44,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940208981] [2021-11-21 01:57:44,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940208981] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:44,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:44,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:44,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381951386] [2021-11-21 01:57:44,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:44,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:44,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:44,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:44,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:44,620 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) [2021-11-21 01:57:46,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:46,177 INFO L93 Difference]: Finished difference Result 4251 states and 8427 transitions. [2021-11-21 01:57:46,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:57:46,177 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 [2021-11-21 01:57:46,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:46,183 INFO L225 Difference]: With dead ends: 4251 [2021-11-21 01:57:46,183 INFO L226 Difference]: Without dead ends: 4251 [2021-11-21 01:57:46,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-21 01:57:46,184 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 189 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:46,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 168 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 01:57:46,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4251 states. [2021-11-21 01:57:46,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4251 to 4159. [2021-11-21 01:57:46,234 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) [2021-11-21 01:57:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4159 states to 4159 states and 8243 transitions. [2021-11-21 01:57:46,240 INFO L78 Accepts]: Start accepts. Automaton has 4159 states and 8243 transitions. Word has length 11 [2021-11-21 01:57:46,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:46,240 INFO L470 AbstractCegarLoop]: Abstraction has 4159 states and 8243 transitions. [2021-11-21 01:57:46,240 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) [2021-11-21 01:57:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 4159 states and 8243 transitions. [2021-11-21 01:57:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:57:46,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:46,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:46,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-21 01:57:46,242 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)] === [2021-11-21 01:57:46,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:46,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1235403167, now seen corresponding path program 15 times [2021-11-21 01:57:46,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:46,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387120786] [2021-11-21 01:57:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:46,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:46,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:46,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:46,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387120786] [2021-11-21 01:57:46,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387120786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:46,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:46,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:46,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046579193] [2021-11-21 01:57:46,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:46,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:46,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:46,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:46,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:46,459 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) [2021-11-21 01:57:48,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:48,649 INFO L93 Difference]: Finished difference Result 4201 states and 8327 transitions. [2021-11-21 01:57:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:57:48,649 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 [2021-11-21 01:57:48,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:48,655 INFO L225 Difference]: With dead ends: 4201 [2021-11-21 01:57:48,655 INFO L226 Difference]: Without dead ends: 4201 [2021-11-21 01:57:48,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-21 01:57:48,657 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 236 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:48,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 177 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1818 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 01:57:48,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4201 states. [2021-11-21 01:57:48,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4201 to 4113. [2021-11-21 01:57:48,710 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) [2021-11-21 01:57:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 8151 transitions. [2021-11-21 01:57:48,716 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 8151 transitions. Word has length 11 [2021-11-21 01:57:48,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:48,716 INFO L470 AbstractCegarLoop]: Abstraction has 4113 states and 8151 transitions. [2021-11-21 01:57:48,716 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) [2021-11-21 01:57:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 8151 transitions. [2021-11-21 01:57:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 01:57:48,717 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:48,717 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:48,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-21 01:57:48,717 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)] === [2021-11-21 01:57:48,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:48,718 INFO L85 PathProgramCache]: Analyzing trace with hash -813973425, now seen corresponding path program 1 times [2021-11-21 01:57:48,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:48,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520958853] [2021-11-21 01:57:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:48,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:48,807 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:48,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520958853] [2021-11-21 01:57:48,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520958853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:48,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:48,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:57:48,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920135527] [2021-11-21 01:57:48,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:48,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:57:48,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:48,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:57:48,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:57:48,811 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) [2021-11-21 01:57:49,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:49,464 INFO L93 Difference]: Finished difference Result 4314 states and 8549 transitions. [2021-11-21 01:57:49,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:57:49,464 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 [2021-11-21 01:57:49,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:49,469 INFO L225 Difference]: With dead ends: 4314 [2021-11-21 01:57:49,469 INFO L226 Difference]: Without dead ends: 4314 [2021-11-21 01:57:49,469 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 [2021-11-21 01:57:49,470 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 100 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:49,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 108 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 01:57:49,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2021-11-21 01:57:49,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 4314. [2021-11-21 01:57:49,530 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) [2021-11-21 01:57:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4314 states to 4314 states and 8549 transitions. [2021-11-21 01:57:49,536 INFO L78 Accepts]: Start accepts. Automaton has 4314 states and 8549 transitions. Word has length 14 [2021-11-21 01:57:49,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:49,536 INFO L470 AbstractCegarLoop]: Abstraction has 4314 states and 8549 transitions. [2021-11-21 01:57:49,537 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) [2021-11-21 01:57:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4314 states and 8549 transitions. [2021-11-21 01:57:49,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 01:57:49,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:49,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:49,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-21 01:57:49,538 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)] === [2021-11-21 01:57:49,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:49,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1295083854, now seen corresponding path program 1 times [2021-11-21 01:57:49,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:49,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071918302] [2021-11-21 01:57:49,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:49,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:49,630 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:49,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071918302] [2021-11-21 01:57:49,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071918302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:49,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:49,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:57:49,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359841987] [2021-11-21 01:57:49,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:49,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:57:49,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:49,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:57:49,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:57:49,631 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) [2021-11-21 01:57:50,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:50,535 INFO L93 Difference]: Finished difference Result 4575 states and 9071 transitions. [2021-11-21 01:57:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:57:50,536 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 [2021-11-21 01:57:50,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:50,544 INFO L225 Difference]: With dead ends: 4575 [2021-11-21 01:57:50,544 INFO L226 Difference]: Without dead ends: 4575 [2021-11-21 01:57:50,544 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 [2021-11-21 01:57:50,545 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 128 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:50,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 111 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-21 01:57:50,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2021-11-21 01:57:50,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4575. [2021-11-21 01:57:50,618 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) [2021-11-21 01:57:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 9071 transitions. [2021-11-21 01:57:50,628 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 9071 transitions. Word has length 15 [2021-11-21 01:57:50,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:50,629 INFO L470 AbstractCegarLoop]: Abstraction has 4575 states and 9071 transitions. [2021-11-21 01:57:50,629 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) [2021-11-21 01:57:50,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 9071 transitions. [2021-11-21 01:57:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:57:50,630 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:50,630 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:50,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-21 01:57:50,630 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)] === [2021-11-21 01:57:50,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:50,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1809149446, now seen corresponding path program 1 times [2021-11-21 01:57:50,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:50,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001673404] [2021-11-21 01:57:50,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:50,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:50,865 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:50,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001673404] [2021-11-21 01:57:50,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001673404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:50,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:50,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:50,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509171453] [2021-11-21 01:57:50,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:50,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:50,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:50,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:50,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:50,866 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) [2021-11-21 01:57:53,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:53,081 INFO L93 Difference]: Finished difference Result 9084 states and 17962 transitions. [2021-11-21 01:57:53,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-21 01:57:53,082 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 [2021-11-21 01:57:53,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:53,099 INFO L225 Difference]: With dead ends: 9084 [2021-11-21 01:57:53,099 INFO L226 Difference]: Without dead ends: 9084 [2021-11-21 01:57:53,099 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 [2021-11-21 01:57:53,100 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 619 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:53,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [619 Valid, 605 Invalid, 2073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2015 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:57:53,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9084 states. [2021-11-21 01:57:53,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9084 to 4719. [2021-11-21 01:57:53,201 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) [2021-11-21 01:57:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4719 states to 4719 states and 9359 transitions. [2021-11-21 01:57:53,207 INFO L78 Accepts]: Start accepts. Automaton has 4719 states and 9359 transitions. Word has length 17 [2021-11-21 01:57:53,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:53,208 INFO L470 AbstractCegarLoop]: Abstraction has 4719 states and 9359 transitions. [2021-11-21 01:57:53,208 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) [2021-11-21 01:57:53,208 INFO L276 IsEmpty]: Start isEmpty. Operand 4719 states and 9359 transitions. [2021-11-21 01:57:53,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:57:53,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:53,208 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:53,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-21 01:57:53,209 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)] === [2021-11-21 01:57:53,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:53,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1395305543, now seen corresponding path program 1 times [2021-11-21 01:57:53,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:53,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646135676] [2021-11-21 01:57:53,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:53,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:53,389 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:53,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646135676] [2021-11-21 01:57:53,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646135676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:53,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:53,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:53,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912735064] [2021-11-21 01:57:53,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:53,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:53,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:53,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:53,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:53,390 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) [2021-11-21 01:57:54,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:54,918 INFO L93 Difference]: Finished difference Result 9012 states and 17818 transitions. [2021-11-21 01:57:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:57:54,919 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 [2021-11-21 01:57:54,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:54,929 INFO L225 Difference]: With dead ends: 9012 [2021-11-21 01:57:54,930 INFO L226 Difference]: Without dead ends: 9012 [2021-11-21 01:57:54,930 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 [2021-11-21 01:57:54,930 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 584 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:54,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [584 Valid, 584 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 01:57:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9012 states. [2021-11-21 01:57:55,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9012 to 4729. [2021-11-21 01:57:55,007 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) [2021-11-21 01:57:55,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-21 01:57:55,016 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-21 01:57:55,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:55,017 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-21 01:57:55,017 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) [2021-11-21 01:57:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-21 01:57:55,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:57:55,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:55,018 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:55,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-21 01:57:55,019 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)] === [2021-11-21 01:57:55,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:55,019 INFO L85 PathProgramCache]: Analyzing trace with hash 965163320, now seen corresponding path program 2 times [2021-11-21 01:57:55,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:55,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120169733] [2021-11-21 01:57:55,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:55,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:55,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:55,207 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:55,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120169733] [2021-11-21 01:57:55,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120169733] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:55,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:55,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:55,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883962509] [2021-11-21 01:57:55,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:55,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:55,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:55,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:55,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:55,209 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) [2021-11-21 01:57:57,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:57,390 INFO L93 Difference]: Finished difference Result 4846 states and 9561 transitions. [2021-11-21 01:57:57,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:57:57,390 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 [2021-11-21 01:57:57,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:57,396 INFO L225 Difference]: With dead ends: 4846 [2021-11-21 01:57:57,396 INFO L226 Difference]: Without dead ends: 4846 [2021-11-21 01:57:57,396 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 [2021-11-21 01:57:57,397 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 358 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 2238 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:57,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 464 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2238 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 01:57:57,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2021-11-21 01:57:57,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4729. [2021-11-21 01:57:57,451 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) [2021-11-21 01:57:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-21 01:57:57,458 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-21 01:57:57,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:57,458 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-21 01:57:57,458 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) [2021-11-21 01:57:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-21 01:57:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:57:57,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:57,459 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:57,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-21 01:57:57,460 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)] === [2021-11-21 01:57:57,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash 971678900, now seen corresponding path program 3 times [2021-11-21 01:57:57,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:57,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074851292] [2021-11-21 01:57:57,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:57,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:57,658 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:57,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074851292] [2021-11-21 01:57:57,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074851292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:57,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:57,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:57,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301031] [2021-11-21 01:57:57,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:57,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:57,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:57,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:57,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:57,660 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) [2021-11-21 01:57:59,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:57:59,695 INFO L93 Difference]: Finished difference Result 4874 states and 9617 transitions. [2021-11-21 01:57:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:57:59,695 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 [2021-11-21 01:57:59,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:57:59,701 INFO L225 Difference]: With dead ends: 4874 [2021-11-21 01:57:59,701 INFO L226 Difference]: Without dead ends: 4874 [2021-11-21 01:57:59,701 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 [2021-11-21 01:57:59,702 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 363 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:57:59,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 453 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1950 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:57:59,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4874 states. [2021-11-21 01:57:59,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4874 to 4729. [2021-11-21 01:57:59,773 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) [2021-11-21 01:57:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-21 01:57:59,783 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-21 01:57:59,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:57:59,783 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-21 01:57:59,783 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) [2021-11-21 01:57:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-21 01:57:59,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:57:59,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:57:59,785 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:57:59,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-21 01:57:59,785 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)] === [2021-11-21 01:57:59,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:57:59,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1174555610, now seen corresponding path program 4 times [2021-11-21 01:57:59,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:57:59,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787479326] [2021-11-21 01:57:59,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:57:59,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:57:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:57:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:57:59,976 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:57:59,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787479326] [2021-11-21 01:57:59,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787479326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:57:59,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:57:59,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:57:59,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493794113] [2021-11-21 01:57:59,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:57:59,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:57:59,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:57:59,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:57:59,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:57:59,977 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) [2021-11-21 01:58:01,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:01,987 INFO L93 Difference]: Finished difference Result 4901 states and 9672 transitions. [2021-11-21 01:58:01,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 01:58:01,988 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 [2021-11-21 01:58:01,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:01,993 INFO L225 Difference]: With dead ends: 4901 [2021-11-21 01:58:01,993 INFO L226 Difference]: Without dead ends: 4901 [2021-11-21 01:58:01,994 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 [2021-11-21 01:58:01,994 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 308 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:01,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 457 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2136 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:58:02,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4901 states. [2021-11-21 01:58:02,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4901 to 4729. [2021-11-21 01:58:02,062 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) [2021-11-21 01:58:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 9379 transitions. [2021-11-21 01:58:02,069 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 9379 transitions. Word has length 17 [2021-11-21 01:58:02,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:02,069 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 9379 transitions. [2021-11-21 01:58:02,069 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) [2021-11-21 01:58:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 9379 transitions. [2021-11-21 01:58:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:02,070 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:02,070 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:02,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-21 01:58:02,070 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)] === [2021-11-21 01:58:02,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:02,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1098495342, now seen corresponding path program 5 times [2021-11-21 01:58:02,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:02,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018174073] [2021-11-21 01:58:02,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:02,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:02,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:02,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:02,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018174073] [2021-11-21 01:58:02,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018174073] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:02,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:02,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:02,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472216177] [2021-11-21 01:58:02,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:02,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:02,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:02,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:02,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:02,233 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) [2021-11-21 01:58:03,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:03,969 INFO L93 Difference]: Finished difference Result 4896 states and 9662 transitions. [2021-11-21 01:58:03,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 01:58:03,969 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 [2021-11-21 01:58:03,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:03,976 INFO L225 Difference]: With dead ends: 4896 [2021-11-21 01:58:03,976 INFO L226 Difference]: Without dead ends: 4896 [2021-11-21 01:58:03,976 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 [2021-11-21 01:58:03,977 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 283 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:03,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 445 Invalid, 1927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 01:58:03,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4896 states. [2021-11-21 01:58:04,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4896 to 4696. [2021-11-21 01:58:04,047 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) [2021-11-21 01:58:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 9313 transitions. [2021-11-21 01:58:04,056 INFO L78 Accepts]: Start accepts. Automaton has 4696 states and 9313 transitions. Word has length 17 [2021-11-21 01:58:04,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:04,056 INFO L470 AbstractCegarLoop]: Abstraction has 4696 states and 9313 transitions. [2021-11-21 01:58:04,057 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) [2021-11-21 01:58:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 9313 transitions. [2021-11-21 01:58:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:04,058 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:04,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:04,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-21 01:58:04,058 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)] === [2021-11-21 01:58:04,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:04,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1068972720, now seen corresponding path program 6 times [2021-11-21 01:58:04,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:04,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182031669] [2021-11-21 01:58:04,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:04,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:04,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:04,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:04,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182031669] [2021-11-21 01:58:04,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182031669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:04,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:04,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:04,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35205132] [2021-11-21 01:58:04,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:04,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:04,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:04,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:04,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:04,224 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) [2021-11-21 01:58:06,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:06,093 INFO L93 Difference]: Finished difference Result 13311 states and 26340 transitions. [2021-11-21 01:58:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-21 01:58:06,093 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 [2021-11-21 01:58:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:06,111 INFO L225 Difference]: With dead ends: 13311 [2021-11-21 01:58:06,111 INFO L226 Difference]: Without dead ends: 13311 [2021-11-21 01:58:06,111 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 [2021-11-21 01:58:06,112 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, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:06,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [637 Valid, 664 Invalid, 1862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 01:58:06,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13311 states. [2021-11-21 01:58:06,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13311 to 4839. [2021-11-21 01:58:06,200 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) [2021-11-21 01:58:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4839 states to 4839 states and 9599 transitions. [2021-11-21 01:58:06,207 INFO L78 Accepts]: Start accepts. Automaton has 4839 states and 9599 transitions. Word has length 17 [2021-11-21 01:58:06,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:06,208 INFO L470 AbstractCegarLoop]: Abstraction has 4839 states and 9599 transitions. [2021-11-21 01:58:06,208 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) [2021-11-21 01:58:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand 4839 states and 9599 transitions. [2021-11-21 01:58:06,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:06,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:06,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:06,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-21 01:58:06,209 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)] === [2021-11-21 01:58:06,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:06,210 INFO L85 PathProgramCache]: Analyzing trace with hash -655128817, now seen corresponding path program 2 times [2021-11-21 01:58:06,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:06,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442894013] [2021-11-21 01:58:06,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:06,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:06,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:06,379 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:06,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442894013] [2021-11-21 01:58:06,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442894013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:06,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:06,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:06,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439329600] [2021-11-21 01:58:06,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:06,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:06,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:06,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:06,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:06,380 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) [2021-11-21 01:58:08,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:08,010 INFO L93 Difference]: Finished difference Result 13312 states and 26342 transitions. [2021-11-21 01:58:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:58:08,011 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 [2021-11-21 01:58:08,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:08,031 INFO L225 Difference]: With dead ends: 13312 [2021-11-21 01:58:08,031 INFO L226 Difference]: Without dead ends: 13312 [2021-11-21 01:58:08,031 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 [2021-11-21 01:58:08,031 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 611 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:08,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [611 Valid, 657 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 01:58:08,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13312 states. [2021-11-21 01:58:08,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13312 to 4739. [2021-11-21 01:58:08,160 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) [2021-11-21 01:58:08,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4739 states to 4739 states and 9399 transitions. [2021-11-21 01:58:08,167 INFO L78 Accepts]: Start accepts. Automaton has 4739 states and 9399 transitions. Word has length 17 [2021-11-21 01:58:08,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:08,167 INFO L470 AbstractCegarLoop]: Abstraction has 4739 states and 9399 transitions. [2021-11-21 01:58:08,167 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) [2021-11-21 01:58:08,168 INFO L276 IsEmpty]: Start isEmpty. Operand 4739 states and 9399 transitions. [2021-11-21 01:58:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:08,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:08,168 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:08,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-21 01:58:08,168 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)] === [2021-11-21 01:58:08,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:08,169 INFO L85 PathProgramCache]: Analyzing trace with hash 458703765, now seen corresponding path program 3 times [2021-11-21 01:58:08,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:08,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611767468] [2021-11-21 01:58:08,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:08,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:08,333 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:08,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611767468] [2021-11-21 01:58:08,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611767468] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:08,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:08,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:08,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014547624] [2021-11-21 01:58:08,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:08,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:08,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:08,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:08,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:08,335 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) [2021-11-21 01:58:09,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:09,815 INFO L93 Difference]: Finished difference Result 9104 states and 18002 transitions. [2021-11-21 01:58:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:58:09,816 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 [2021-11-21 01:58:09,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:09,828 INFO L225 Difference]: With dead ends: 9104 [2021-11-21 01:58:09,828 INFO L226 Difference]: Without dead ends: 9104 [2021-11-21 01:58:09,828 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 [2021-11-21 01:58:09,829 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 399 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:09,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 413 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 01:58:09,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9104 states. [2021-11-21 01:58:09,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9104 to 4728. [2021-11-21 01:58:09,900 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) [2021-11-21 01:58:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4728 states to 4728 states and 9377 transitions. [2021-11-21 01:58:09,907 INFO L78 Accepts]: Start accepts. Automaton has 4728 states and 9377 transitions. Word has length 17 [2021-11-21 01:58:09,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:09,907 INFO L470 AbstractCegarLoop]: Abstraction has 4728 states and 9377 transitions. [2021-11-21 01:58:09,907 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) [2021-11-21 01:58:09,907 INFO L276 IsEmpty]: Start isEmpty. Operand 4728 states and 9377 transitions. [2021-11-21 01:58:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:09,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:09,908 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:09,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-21 01:58:09,908 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)] === [2021-11-21 01:58:09,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:09,909 INFO L85 PathProgramCache]: Analyzing trace with hash -205042063, now seen corresponding path program 4 times [2021-11-21 01:58:09,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:09,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903500724] [2021-11-21 01:58:09,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:09,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:10,093 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:10,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903500724] [2021-11-21 01:58:10,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903500724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:10,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:10,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:10,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947234200] [2021-11-21 01:58:10,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:10,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:10,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:10,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:10,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:10,094 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) [2021-11-21 01:58:11,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:11,862 INFO L93 Difference]: Finished difference Result 9076 states and 17946 transitions. [2021-11-21 01:58:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:58:11,862 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 [2021-11-21 01:58:11,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:11,873 INFO L225 Difference]: With dead ends: 9076 [2021-11-21 01:58:11,873 INFO L226 Difference]: Without dead ends: 9076 [2021-11-21 01:58:11,873 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 [2021-11-21 01:58:11,874 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 418 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:11,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 423 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 01:58:11,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9076 states. [2021-11-21 01:58:11,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9076 to 4717. [2021-11-21 01:58:11,941 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) [2021-11-21 01:58:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4717 states to 4717 states and 9355 transitions. [2021-11-21 01:58:11,948 INFO L78 Accepts]: Start accepts. Automaton has 4717 states and 9355 transitions. Word has length 17 [2021-11-21 01:58:11,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:11,948 INFO L470 AbstractCegarLoop]: Abstraction has 4717 states and 9355 transitions. [2021-11-21 01:58:11,948 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) [2021-11-21 01:58:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 4717 states and 9355 transitions. [2021-11-21 01:58:11,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:11,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:11,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:11,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-21 01:58:11,949 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)] === [2021-11-21 01:58:11,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:11,950 INFO L85 PathProgramCache]: Analyzing trace with hash -603645643, now seen corresponding path program 5 times [2021-11-21 01:58:11,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:11,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235172569] [2021-11-21 01:58:11,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:11,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:12,137 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:12,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235172569] [2021-11-21 01:58:12,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235172569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:12,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:12,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:12,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309691911] [2021-11-21 01:58:12,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:12,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:12,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:12,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:12,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:12,139 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) [2021-11-21 01:58:14,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:14,673 INFO L93 Difference]: Finished difference Result 9021 states and 17836 transitions. [2021-11-21 01:58:14,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:58:14,673 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 [2021-11-21 01:58:14,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:14,685 INFO L225 Difference]: With dead ends: 9021 [2021-11-21 01:58:14,685 INFO L226 Difference]: Without dead ends: 9021 [2021-11-21 01:58:14,686 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 [2021-11-21 01:58:14,686 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 449 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 2369 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:14,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 447 Invalid, 2409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2369 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:58:14,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2021-11-21 01:58:14,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 4707. [2021-11-21 01:58:14,779 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) [2021-11-21 01:58:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 9335 transitions. [2021-11-21 01:58:14,785 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 9335 transitions. Word has length 17 [2021-11-21 01:58:14,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:14,786 INFO L470 AbstractCegarLoop]: Abstraction has 4707 states and 9335 transitions. [2021-11-21 01:58:14,786 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) [2021-11-21 01:58:14,786 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 9335 transitions. [2021-11-21 01:58:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:14,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:14,786 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:14,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-21 01:58:14,787 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)] === [2021-11-21 01:58:14,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:14,787 INFO L85 PathProgramCache]: Analyzing trace with hash 939162162, now seen corresponding path program 7 times [2021-11-21 01:58:14,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:14,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253229768] [2021-11-21 01:58:14,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:14,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:14,959 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:14,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253229768] [2021-11-21 01:58:14,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253229768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:14,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:14,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:14,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638830213] [2021-11-21 01:58:14,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:14,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:14,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:14,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:14,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:14,961 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) [2021-11-21 01:58:16,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:16,707 INFO L93 Difference]: Finished difference Result 8874 states and 17593 transitions. [2021-11-21 01:58:16,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-21 01:58:16,708 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 [2021-11-21 01:58:16,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:16,719 INFO L225 Difference]: With dead ends: 8874 [2021-11-21 01:58:16,719 INFO L226 Difference]: Without dead ends: 8874 [2021-11-21 01:58:16,719 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 [2021-11-21 01:58:16,720 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 647 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:16,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [647 Valid, 454 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 01:58:16,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8874 states. [2021-11-21 01:58:16,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8874 to 4623. [2021-11-21 01:58:16,787 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) [2021-11-21 01:58:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4623 states to 4623 states and 9167 transitions. [2021-11-21 01:58:16,794 INFO L78 Accepts]: Start accepts. Automaton has 4623 states and 9167 transitions. Word has length 17 [2021-11-21 01:58:16,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:16,794 INFO L470 AbstractCegarLoop]: Abstraction has 4623 states and 9167 transitions. [2021-11-21 01:58:16,794 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) [2021-11-21 01:58:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 4623 states and 9167 transitions. [2021-11-21 01:58:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:16,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:16,795 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:16,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-21 01:58:16,795 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)] === [2021-11-21 01:58:16,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:16,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1353006065, now seen corresponding path program 6 times [2021-11-21 01:58:16,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:16,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917909467] [2021-11-21 01:58:16,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:16,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:16,958 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:16,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917909467] [2021-11-21 01:58:16,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917909467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:16,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:16,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:16,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179411770] [2021-11-21 01:58:16,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:16,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:16,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:16,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:16,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:16,960 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) [2021-11-21 01:58:18,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:18,328 INFO L93 Difference]: Finished difference Result 8874 states and 17593 transitions. [2021-11-21 01:58:18,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:58:18,328 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 [2021-11-21 01:58:18,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:18,340 INFO L225 Difference]: With dead ends: 8874 [2021-11-21 01:58:18,340 INFO L226 Difference]: Without dead ends: 8874 [2021-11-21 01:58:18,340 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 [2021-11-21 01:58:18,341 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 [2021-11-21 01:58:18,341 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] [2021-11-21 01:58:18,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8874 states. [2021-11-21 01:58:18,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8874 to 4517. [2021-11-21 01:58:18,410 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) [2021-11-21 01:58:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 8955 transitions. [2021-11-21 01:58:18,416 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 8955 transitions. Word has length 17 [2021-11-21 01:58:18,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:18,417 INFO L470 AbstractCegarLoop]: Abstraction has 4517 states and 8955 transitions. [2021-11-21 01:58:18,417 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) [2021-11-21 01:58:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 8955 transitions. [2021-11-21 01:58:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:18,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:18,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:18,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-21 01:58:18,417 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)] === [2021-11-21 01:58:18,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:18,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1828128649, now seen corresponding path program 7 times [2021-11-21 01:58:18,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:18,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819142720] [2021-11-21 01:58:18,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:18,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:18,569 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:18,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819142720] [2021-11-21 01:58:18,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819142720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:18,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:18,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:18,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072559775] [2021-11-21 01:58:18,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:18,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:18,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:18,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:18,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:18,570 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) [2021-11-21 01:58:19,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:19,877 INFO L93 Difference]: Finished difference Result 8989 states and 17823 transitions. [2021-11-21 01:58:19,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:58:19,877 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 [2021-11-21 01:58:19,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:19,889 INFO L225 Difference]: With dead ends: 8989 [2021-11-21 01:58:19,889 INFO L226 Difference]: Without dead ends: 8989 [2021-11-21 01:58:19,889 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 [2021-11-21 01:58:19,889 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, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:19,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 313 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:58:19,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8989 states. [2021-11-21 01:58:19,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8989 to 4518. [2021-11-21 01:58:19,955 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) [2021-11-21 01:58:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 8957 transitions. [2021-11-21 01:58:19,961 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 8957 transitions. Word has length 17 [2021-11-21 01:58:19,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:19,961 INFO L470 AbstractCegarLoop]: Abstraction has 4518 states and 8957 transitions. [2021-11-21 01:58:19,962 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) [2021-11-21 01:58:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 8957 transitions. [2021-11-21 01:58:19,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:19,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:19,962 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:19,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-21 01:58:19,962 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)] === [2021-11-21 01:58:19,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:19,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1803092819, now seen corresponding path program 8 times [2021-11-21 01:58:19,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:19,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375359722] [2021-11-21 01:58:19,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:19,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:20,122 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:20,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375359722] [2021-11-21 01:58:20,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375359722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:20,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:20,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:20,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863183299] [2021-11-21 01:58:20,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:20,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:20,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:20,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:20,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:20,124 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) [2021-11-21 01:58:21,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:21,848 INFO L93 Difference]: Finished difference Result 8961 states and 17767 transitions. [2021-11-21 01:58:21,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:58:21,849 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 [2021-11-21 01:58:21,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:21,862 INFO L225 Difference]: With dead ends: 8961 [2021-11-21 01:58:21,862 INFO L226 Difference]: Without dead ends: 8961 [2021-11-21 01:58:21,862 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 [2021-11-21 01:58:21,862 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 407 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:21,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 331 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 01:58:21,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8961 states. [2021-11-21 01:58:21,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 4519. [2021-11-21 01:58:21,936 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) [2021-11-21 01:58:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 8959 transitions. [2021-11-21 01:58:21,943 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 8959 transitions. Word has length 17 [2021-11-21 01:58:21,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:21,943 INFO L470 AbstractCegarLoop]: Abstraction has 4519 states and 8959 transitions. [2021-11-21 01:58:21,943 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) [2021-11-21 01:58:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 8959 transitions. [2021-11-21 01:58:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:21,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:21,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:21,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-21 01:58:21,944 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)] === [2021-11-21 01:58:21,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:21,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1404489239, now seen corresponding path program 9 times [2021-11-21 01:58:21,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:21,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064743996] [2021-11-21 01:58:21,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:21,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:22,138 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:22,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064743996] [2021-11-21 01:58:22,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064743996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:22,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:22,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:22,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423795357] [2021-11-21 01:58:22,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:22,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:22,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:22,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:22,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:22,140 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) [2021-11-21 01:58:24,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:24,211 INFO L93 Difference]: Finished difference Result 8906 states and 17657 transitions. [2021-11-21 01:58:24,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:58:24,211 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 [2021-11-21 01:58:24,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:24,223 INFO L225 Difference]: With dead ends: 8906 [2021-11-21 01:58:24,223 INFO L226 Difference]: Without dead ends: 8906 [2021-11-21 01:58:24,224 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 [2021-11-21 01:58:24,224 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 440 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:24,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [440 Valid, 333 Invalid, 1850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:58:24,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8906 states. [2021-11-21 01:58:24,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8906 to 4510. [2021-11-21 01:58:24,319 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) [2021-11-21 01:58:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2021-11-21 01:58:24,327 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2021-11-21 01:58:24,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:24,327 INFO L470 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2021-11-21 01:58:24,327 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) [2021-11-21 01:58:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2021-11-21 01:58:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:24,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:24,328 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:24,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-21 01:58:24,328 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)] === [2021-11-21 01:58:24,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:24,328 INFO L85 PathProgramCache]: Analyzing trace with hash 731428921, now seen corresponding path program 10 times [2021-11-21 01:58:24,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:24,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990858584] [2021-11-21 01:58:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:24,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:24,556 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:24,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990858584] [2021-11-21 01:58:24,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990858584] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:24,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:24,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:24,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864632750] [2021-11-21 01:58:24,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:24,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:24,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:24,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:24,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:24,558 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) [2021-11-21 01:58:26,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:26,971 INFO L93 Difference]: Finished difference Result 4592 states and 9105 transitions. [2021-11-21 01:58:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:58:26,971 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 [2021-11-21 01:58:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:26,977 INFO L225 Difference]: With dead ends: 4592 [2021-11-21 01:58:26,977 INFO L226 Difference]: Without dead ends: 4592 [2021-11-21 01:58:26,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-21 01:58:26,978 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 223 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2113 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:26,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 188 Invalid, 2169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2113 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:58:26,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4592 states. [2021-11-21 01:58:27,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4592 to 4510. [2021-11-21 01:58:27,031 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) [2021-11-21 01:58:27,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2021-11-21 01:58:27,038 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2021-11-21 01:58:27,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:27,038 INFO L470 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2021-11-21 01:58:27,038 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) [2021-11-21 01:58:27,038 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2021-11-21 01:58:27,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:27,039 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:27,039 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:27,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-21 01:58:27,040 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)] === [2021-11-21 01:58:27,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:27,040 INFO L85 PathProgramCache]: Analyzing trace with hash 712664113, now seen corresponding path program 11 times [2021-11-21 01:58:27,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:27,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847425507] [2021-11-21 01:58:27,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:27,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:27,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:27,263 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:27,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847425507] [2021-11-21 01:58:27,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847425507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:27,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:27,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:27,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353972314] [2021-11-21 01:58:27,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:27,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:27,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:27,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:27,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:27,265 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) [2021-11-21 01:58:28,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:28,939 INFO L93 Difference]: Finished difference Result 4678 states and 9277 transitions. [2021-11-21 01:58:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 01:58:28,939 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 [2021-11-21 01:58:28,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:28,945 INFO L225 Difference]: With dead ends: 4678 [2021-11-21 01:58:28,945 INFO L226 Difference]: Without dead ends: 4678 [2021-11-21 01:58:28,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:58:28,946 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 187 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:28,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 163 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 01:58:28,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2021-11-21 01:58:28,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 4511. [2021-11-21 01:58:28,999 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) [2021-11-21 01:58:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4511 states and 8943 transitions. [2021-11-21 01:58:29,006 INFO L78 Accepts]: Start accepts. Automaton has 4511 states and 8943 transitions. Word has length 17 [2021-11-21 01:58:29,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:29,006 INFO L470 AbstractCegarLoop]: Abstraction has 4511 states and 8943 transitions. [2021-11-21 01:58:29,006 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) [2021-11-21 01:58:29,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4511 states and 8943 transitions. [2021-11-21 01:58:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:29,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:29,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:29,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-21 01:58:29,007 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)] === [2021-11-21 01:58:29,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:29,008 INFO L85 PathProgramCache]: Analyzing trace with hash 314060533, now seen corresponding path program 12 times [2021-11-21 01:58:29,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:29,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692294904] [2021-11-21 01:58:29,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:29,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:29,210 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:29,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692294904] [2021-11-21 01:58:29,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692294904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:29,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:29,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:29,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152904585] [2021-11-21 01:58:29,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:29,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:29,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:29,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:29,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:29,212 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) [2021-11-21 01:58:30,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:30,950 INFO L93 Difference]: Finished difference Result 4600 states and 9121 transitions. [2021-11-21 01:58:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:58:30,951 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 [2021-11-21 01:58:30,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:30,956 INFO L225 Difference]: With dead ends: 4600 [2021-11-21 01:58:30,957 INFO L226 Difference]: Without dead ends: 4600 [2021-11-21 01:58:30,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-21 01:58:30,959 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 183 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:30,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 168 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 01:58:30,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4600 states. [2021-11-21 01:58:31,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4600 to 4510. [2021-11-21 01:58:31,016 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) [2021-11-21 01:58:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 8941 transitions. [2021-11-21 01:58:31,023 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 8941 transitions. Word has length 17 [2021-11-21 01:58:31,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:31,023 INFO L470 AbstractCegarLoop]: Abstraction has 4510 states and 8941 transitions. [2021-11-21 01:58:31,023 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) [2021-11-21 01:58:31,024 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 8941 transitions. [2021-11-21 01:58:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:31,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:31,024 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:31,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-21 01:58:31,024 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)] === [2021-11-21 01:58:31,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:31,025 INFO L85 PathProgramCache]: Analyzing trace with hash -381775047, now seen corresponding path program 13 times [2021-11-21 01:58:31,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:31,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116800413] [2021-11-21 01:58:31,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:31,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:31,220 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:31,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116800413] [2021-11-21 01:58:31,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116800413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:31,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:31,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:31,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519337418] [2021-11-21 01:58:31,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:31,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:31,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:31,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:31,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:31,221 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) [2021-11-21 01:58:32,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:32,492 INFO L93 Difference]: Finished difference Result 4649 states and 9219 transitions. [2021-11-21 01:58:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 01:58:32,493 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 [2021-11-21 01:58:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:32,499 INFO L225 Difference]: With dead ends: 4649 [2021-11-21 01:58:32,499 INFO L226 Difference]: Without dead ends: 4649 [2021-11-21 01:58:32,499 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 [2021-11-21 01:58:32,500 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 172 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:32,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 151 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:58:32,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2021-11-21 01:58:32,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4496. [2021-11-21 01:58:32,556 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) [2021-11-21 01:58:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4496 states and 8913 transitions. [2021-11-21 01:58:32,563 INFO L78 Accepts]: Start accepts. Automaton has 4496 states and 8913 transitions. Word has length 17 [2021-11-21 01:58:32,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:32,564 INFO L470 AbstractCegarLoop]: Abstraction has 4496 states and 8913 transitions. [2021-11-21 01:58:32,564 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) [2021-11-21 01:58:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 4496 states and 8913 transitions. [2021-11-21 01:58:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:32,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:32,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:32,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-21 01:58:32,564 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)] === [2021-11-21 01:58:32,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:32,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1045520875, now seen corresponding path program 14 times [2021-11-21 01:58:32,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:32,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922394219] [2021-11-21 01:58:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:32,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:32,770 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:32,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922394219] [2021-11-21 01:58:32,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922394219] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:32,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:32,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:32,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469214084] [2021-11-21 01:58:32,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:32,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:32,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:32,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:32,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:32,772 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) [2021-11-21 01:58:33,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:33,883 INFO L93 Difference]: Finished difference Result 4586 states and 9093 transitions. [2021-11-21 01:58:33,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 01:58:33,884 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 [2021-11-21 01:58:33,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:33,889 INFO L225 Difference]: With dead ends: 4586 [2021-11-21 01:58:33,889 INFO L226 Difference]: Without dead ends: 4586 [2021-11-21 01:58:33,889 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 [2021-11-21 01:58:33,890 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 175 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:33,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 144 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:58:33,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4586 states. [2021-11-21 01:58:33,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4586 to 4482. [2021-11-21 01:58:33,938 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) [2021-11-21 01:58:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4482 states to 4482 states and 8885 transitions. [2021-11-21 01:58:33,945 INFO L78 Accepts]: Start accepts. Automaton has 4482 states and 8885 transitions. Word has length 17 [2021-11-21 01:58:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:33,945 INFO L470 AbstractCegarLoop]: Abstraction has 4482 states and 8885 transitions. [2021-11-21 01:58:33,945 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) [2021-11-21 01:58:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 4482 states and 8885 transitions. [2021-11-21 01:58:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 01:58:33,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:33,946 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:58:33,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-21 01:58:33,946 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)] === [2021-11-21 01:58:33,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:33,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1444124455, now seen corresponding path program 15 times [2021-11-21 01:58:33,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:33,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475874646] [2021-11-21 01:58:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:33,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:34,136 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:34,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475874646] [2021-11-21 01:58:34,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475874646] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:34,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:34,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:34,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752461603] [2021-11-21 01:58:34,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:34,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:34,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:34,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:34,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:34,137 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) [2021-11-21 01:58:35,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:35,606 INFO L93 Difference]: Finished difference Result 4531 states and 8983 transitions. [2021-11-21 01:58:35,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:58:35,607 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 [2021-11-21 01:58:35,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:35,611 INFO L225 Difference]: With dead ends: 4531 [2021-11-21 01:58:35,611 INFO L226 Difference]: Without dead ends: 4531 [2021-11-21 01:58:35,612 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 [2021-11-21 01:58:35,612 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 156 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:35,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 165 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 01:58:35,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4531 states. [2021-11-21 01:58:35,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4531 to 4437. [2021-11-21 01:58:35,658 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) [2021-11-21 01:58:35,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 8795 transitions. [2021-11-21 01:58:35,664 INFO L78 Accepts]: Start accepts. Automaton has 4437 states and 8795 transitions. Word has length 17 [2021-11-21 01:58:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:35,665 INFO L470 AbstractCegarLoop]: Abstraction has 4437 states and 8795 transitions. [2021-11-21 01:58:35,665 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) [2021-11-21 01:58:35,665 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 8795 transitions. [2021-11-21 01:58:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 01:58:35,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:35,668 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] [2021-11-21 01:58:35,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-21 01:58:35,668 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)] === [2021-11-21 01:58:35,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:35,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1427672357, now seen corresponding path program 1 times [2021-11-21 01:58:35,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:35,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038377874] [2021-11-21 01:58:35,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:35,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:35,776 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:35,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038377874] [2021-11-21 01:58:35,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038377874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:35,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:35,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:58:35,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915191212] [2021-11-21 01:58:35,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:35,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:58:35,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:35,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:58:35,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:58:35,778 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) [2021-11-21 01:58:36,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:36,390 INFO L93 Difference]: Finished difference Result 4756 states and 9427 transitions. [2021-11-21 01:58:36,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:58:36,390 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 [2021-11-21 01:58:36,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:36,395 INFO L225 Difference]: With dead ends: 4756 [2021-11-21 01:58:36,395 INFO L226 Difference]: Without dead ends: 4756 [2021-11-21 01:58:36,396 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 [2021-11-21 01:58:36,397 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 112 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:36,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 101 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 01:58:36,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2021-11-21 01:58:36,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4640. [2021-11-21 01:58:36,448 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) [2021-11-21 01:58:36,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 9197 transitions. [2021-11-21 01:58:36,455 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 9197 transitions. Word has length 21 [2021-11-21 01:58:36,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:36,455 INFO L470 AbstractCegarLoop]: Abstraction has 4640 states and 9197 transitions. [2021-11-21 01:58:36,455 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) [2021-11-21 01:58:36,456 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 9197 transitions. [2021-11-21 01:58:36,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 01:58:36,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:36,457 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] [2021-11-21 01:58:36,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-21 01:58:36,457 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)] === [2021-11-21 01:58:36,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:36,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1101135392, now seen corresponding path program 1 times [2021-11-21 01:58:36,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:36,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976594622] [2021-11-21 01:58:36,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:36,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:36,539 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:36,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976594622] [2021-11-21 01:58:36,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976594622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:36,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:36,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:58:36,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705395942] [2021-11-21 01:58:36,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:36,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:58:36,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:36,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:58:36,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:58:36,541 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) [2021-11-21 01:58:37,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:37,558 INFO L93 Difference]: Finished difference Result 5039 states and 9995 transitions. [2021-11-21 01:58:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:58:37,558 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 [2021-11-21 01:58:37,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:37,564 INFO L225 Difference]: With dead ends: 5039 [2021-11-21 01:58:37,564 INFO L226 Difference]: Without dead ends: 5039 [2021-11-21 01:58:37,564 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 [2021-11-21 01:58:37,565 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 134 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:37,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 123 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:58:37,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5039 states. [2021-11-21 01:58:37,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5039 to 4895. [2021-11-21 01:58:37,620 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) [2021-11-21 01:58:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 9707 transitions. [2021-11-21 01:58:37,627 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 9707 transitions. Word has length 22 [2021-11-21 01:58:37,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:37,628 INFO L470 AbstractCegarLoop]: Abstraction has 4895 states and 9707 transitions. [2021-11-21 01:58:37,628 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) [2021-11-21 01:58:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 9707 transitions. [2021-11-21 01:58:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:58:37,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:37,629 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] [2021-11-21 01:58:37,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-21 01:58:37,630 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)] === [2021-11-21 01:58:37,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:37,630 INFO L85 PathProgramCache]: Analyzing trace with hash 828851878, now seen corresponding path program 1 times [2021-11-21 01:58:37,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:37,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294076976] [2021-11-21 01:58:37,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:37,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:37,905 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:37,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294076976] [2021-11-21 01:58:37,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294076976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:37,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:37,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:58:37,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640886046] [2021-11-21 01:58:37,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:37,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-21 01:58:37,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:37,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-21 01:58:37,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:58:37,906 INFO L87 Difference]: Start difference. First operand 4895 states and 9707 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) [2021-11-21 01:58:40,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:40,142 INFO L93 Difference]: Finished difference Result 8346 states and 16529 transitions. [2021-11-21 01:58:40,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-21 01:58:40,143 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 [2021-11-21 01:58:40,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:40,153 INFO L225 Difference]: With dead ends: 8346 [2021-11-21 01:58:40,153 INFO L226 Difference]: Without dead ends: 8346 [2021-11-21 01:58:40,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2021-11-21 01:58:40,154 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 830 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 2091 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 2271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 2091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:40,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [830 Valid, 302 Invalid, 2271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 2091 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:58:40,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8346 states. [2021-11-21 01:58:40,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8346 to 4977. [2021-11-21 01:58:40,226 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) [2021-11-21 01:58:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 9875 transitions. [2021-11-21 01:58:40,233 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 9875 transitions. Word has length 24 [2021-11-21 01:58:40,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:40,233 INFO L470 AbstractCegarLoop]: Abstraction has 4977 states and 9875 transitions. [2021-11-21 01:58:40,233 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) [2021-11-21 01:58:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 9875 transitions. [2021-11-21 01:58:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:58:40,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:40,235 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] [2021-11-21 01:58:40,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-21 01:58:40,235 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)] === [2021-11-21 01:58:40,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:40,235 INFO L85 PathProgramCache]: Analyzing trace with hash 965514634, now seen corresponding path program 1 times [2021-11-21 01:58:40,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:40,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697772665] [2021-11-21 01:58:40,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:40,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:40,414 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:40,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697772665] [2021-11-21 01:58:40,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697772665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:40,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:40,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 01:58:40,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228222983] [2021-11-21 01:58:40,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:40,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:58:40,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:40,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:58:40,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:58:40,415 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) [2021-11-21 01:58:41,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:41,839 INFO L93 Difference]: Finished difference Result 8141 states and 16119 transitions. [2021-11-21 01:58:41,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-21 01:58:41,839 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 [2021-11-21 01:58:41,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:41,849 INFO L225 Difference]: With dead ends: 8141 [2021-11-21 01:58:41,850 INFO L226 Difference]: Without dead ends: 8141 [2021-11-21 01:58:41,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-11-21 01:58:41,851 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 692 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:41,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [692 Valid, 207 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:58:41,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8141 states. [2021-11-21 01:58:41,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8141 to 5028. [2021-11-21 01:58:41,925 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) [2021-11-21 01:58:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 5028 states and 9982 transitions. [2021-11-21 01:58:41,933 INFO L78 Accepts]: Start accepts. Automaton has 5028 states and 9982 transitions. Word has length 24 [2021-11-21 01:58:41,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:41,933 INFO L470 AbstractCegarLoop]: Abstraction has 5028 states and 9982 transitions. [2021-11-21 01:58:41,933 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) [2021-11-21 01:58:41,933 INFO L276 IsEmpty]: Start isEmpty. Operand 5028 states and 9982 transitions. [2021-11-21 01:58:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:58:41,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:41,935 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] [2021-11-21 01:58:41,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-21 01:58:41,935 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)] === [2021-11-21 01:58:41,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:41,936 INFO L85 PathProgramCache]: Analyzing trace with hash -281347182, now seen corresponding path program 2 times [2021-11-21 01:58:41,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:41,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206158756] [2021-11-21 01:58:41,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:41,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:42,276 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:42,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206158756] [2021-11-21 01:58:42,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206158756] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:42,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:42,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 01:58:42,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646382645] [2021-11-21 01:58:42,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:42,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:58:42,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:42,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:58:42,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-21 01:58:42,277 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) [2021-11-21 01:58:44,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:44,972 INFO L93 Difference]: Finished difference Result 9774 states and 19390 transitions. [2021-11-21 01:58:44,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 01:58:44,973 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 [2021-11-21 01:58:44,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:44,985 INFO L225 Difference]: With dead ends: 9774 [2021-11-21 01:58:44,985 INFO L226 Difference]: Without dead ends: 9774 [2021-11-21 01:58:44,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2021-11-21 01:58:44,986 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 636 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 2098 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 2098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:44,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 472 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 2098 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 01:58:44,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9774 states. [2021-11-21 01:58:45,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9774 to 5176. [2021-11-21 01:58:45,088 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) [2021-11-21 01:58:45,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 10289 transitions. [2021-11-21 01:58:45,095 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 10289 transitions. Word has length 24 [2021-11-21 01:58:45,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:45,096 INFO L470 AbstractCegarLoop]: Abstraction has 5176 states and 10289 transitions. [2021-11-21 01:58:45,096 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) [2021-11-21 01:58:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 10289 transitions. [2021-11-21 01:58:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:58:45,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:45,097 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] [2021-11-21 01:58:45,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-21 01:58:45,098 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)] === [2021-11-21 01:58:45,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:45,098 INFO L85 PathProgramCache]: Analyzing trace with hash -36854832, now seen corresponding path program 3 times [2021-11-21 01:58:45,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:45,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240431532] [2021-11-21 01:58:45,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:45,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:45,374 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:45,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240431532] [2021-11-21 01:58:45,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240431532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:45,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:45,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 01:58:45,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932057067] [2021-11-21 01:58:45,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:45,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:58:45,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:45,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:58:45,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-21 01:58:45,375 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) [2021-11-21 01:58:47,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:47,502 INFO L93 Difference]: Finished difference Result 9729 states and 19304 transitions. [2021-11-21 01:58:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:58:47,503 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 [2021-11-21 01:58:47,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:47,515 INFO L225 Difference]: With dead ends: 9729 [2021-11-21 01:58:47,515 INFO L226 Difference]: Without dead ends: 9729 [2021-11-21 01:58:47,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2021-11-21 01:58:47,515 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 656 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1581 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 1731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:47,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [656 Valid, 459 Invalid, 1731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1581 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 01:58:47,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9729 states. [2021-11-21 01:58:47,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9729 to 5173. [2021-11-21 01:58:47,591 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) [2021-11-21 01:58:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 5173 states and 10283 transitions. [2021-11-21 01:58:47,598 INFO L78 Accepts]: Start accepts. Automaton has 5173 states and 10283 transitions. Word has length 24 [2021-11-21 01:58:47,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:47,599 INFO L470 AbstractCegarLoop]: Abstraction has 5173 states and 10283 transitions. [2021-11-21 01:58:47,599 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) [2021-11-21 01:58:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 10283 transitions. [2021-11-21 01:58:47,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:58:47,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:47,600 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] [2021-11-21 01:58:47,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-21 01:58:47,600 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)] === [2021-11-21 01:58:47,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:47,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1763970120, now seen corresponding path program 4 times [2021-11-21 01:58:47,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:47,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274416862] [2021-11-21 01:58:47,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:47,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:47,902 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:47,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274416862] [2021-11-21 01:58:47,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274416862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:47,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:47,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 01:58:47,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11005597] [2021-11-21 01:58:47,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:47,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:58:47,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:47,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:58:47,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-21 01:58:47,903 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) [2021-11-21 01:58:50,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:50,446 INFO L93 Difference]: Finished difference Result 9740 states and 19326 transitions. [2021-11-21 01:58:50,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-21 01:58:50,446 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 [2021-11-21 01:58:50,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:50,459 INFO L225 Difference]: With dead ends: 9740 [2021-11-21 01:58:50,459 INFO L226 Difference]: Without dead ends: 9740 [2021-11-21 01:58:50,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2021-11-21 01:58:50,459 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 637 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 2197 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:50,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [637 Valid, 472 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 2197 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:58:50,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9740 states. [2021-11-21 01:58:50,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9740 to 5170. [2021-11-21 01:58:50,540 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) [2021-11-21 01:58:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 10277 transitions. [2021-11-21 01:58:50,547 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 10277 transitions. Word has length 24 [2021-11-21 01:58:50,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:50,548 INFO L470 AbstractCegarLoop]: Abstraction has 5170 states and 10277 transitions. [2021-11-21 01:58:50,548 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) [2021-11-21 01:58:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 10277 transitions. [2021-11-21 01:58:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:58:50,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:50,549 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] [2021-11-21 01:58:50,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-21 01:58:50,550 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)] === [2021-11-21 01:58:50,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:50,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1354258168, now seen corresponding path program 5 times [2021-11-21 01:58:50,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:50,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173486400] [2021-11-21 01:58:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:50,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:50,890 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:50,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173486400] [2021-11-21 01:58:50,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173486400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:50,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:50,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 01:58:50,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430257269] [2021-11-21 01:58:50,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:50,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:58:50,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:50,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:58:50,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-21 01:58:50,892 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) [2021-11-21 01:58:54,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:54,408 INFO L93 Difference]: Finished difference Result 9827 states and 19496 transitions. [2021-11-21 01:58:54,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-21 01:58:54,409 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 [2021-11-21 01:58:54,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:54,422 INFO L225 Difference]: With dead ends: 9827 [2021-11-21 01:58:54,422 INFO L226 Difference]: Without dead ends: 9827 [2021-11-21 01:58:54,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=364, Invalid=826, Unknown=0, NotChecked=0, Total=1190 [2021-11-21 01:58:54,422 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 786 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 2816 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:54,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [786 Valid, 450 Invalid, 2963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2816 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 01:58:54,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9827 states. [2021-11-21 01:58:54,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9827 to 5167. [2021-11-21 01:58:54,497 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) [2021-11-21 01:58:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 5167 states and 10271 transitions. [2021-11-21 01:58:54,505 INFO L78 Accepts]: Start accepts. Automaton has 5167 states and 10271 transitions. Word has length 24 [2021-11-21 01:58:54,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:54,505 INFO L470 AbstractCegarLoop]: Abstraction has 5167 states and 10271 transitions. [2021-11-21 01:58:54,505 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) [2021-11-21 01:58:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 5167 states and 10271 transitions. [2021-11-21 01:58:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:58:54,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:54,506 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] [2021-11-21 01:58:54,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-21 01:58:54,506 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)] === [2021-11-21 01:58:54,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:54,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1989281307, now seen corresponding path program 1 times [2021-11-21 01:58:54,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:54,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565727344] [2021-11-21 01:58:54,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:54,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:55,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:55,124 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:55,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565727344] [2021-11-21 01:58:55,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565727344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:55,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:55,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:58:55,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838421974] [2021-11-21 01:58:55,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:55,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:58:55,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:55,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:58:55,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:58:55,125 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) [2021-11-21 01:58:58,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:58:58,231 INFO L93 Difference]: Finished difference Result 9864 states and 19573 transitions. [2021-11-21 01:58:58,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-21 01:58:58,231 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 [2021-11-21 01:58:58,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:58:58,244 INFO L225 Difference]: With dead ends: 9864 [2021-11-21 01:58:58,245 INFO L226 Difference]: Without dead ends: 9864 [2021-11-21 01:58:58,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2021-11-21 01:58:58,245 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 804 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 2707 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 2707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:58:58,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [804 Valid, 576 Invalid, 2836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 2707 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 01:58:58,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9864 states. [2021-11-21 01:58:58,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9864 to 5285. [2021-11-21 01:58:58,330 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) [2021-11-21 01:58:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 10513 transitions. [2021-11-21 01:58:58,338 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 10513 transitions. Word has length 24 [2021-11-21 01:58:58,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:58:58,339 INFO L470 AbstractCegarLoop]: Abstraction has 5285 states and 10513 transitions. [2021-11-21 01:58:58,339 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) [2021-11-21 01:58:58,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 10513 transitions. [2021-11-21 01:58:58,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:58:58,340 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:58:58,340 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] [2021-11-21 01:58:58,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-21 01:58:58,341 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)] === [2021-11-21 01:58:58,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:58:58,341 INFO L85 PathProgramCache]: Analyzing trace with hash -2062562797, now seen corresponding path program 2 times [2021-11-21 01:58:58,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:58:58,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637594190] [2021-11-21 01:58:58,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:58:58,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:58:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:58:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:58:58,935 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:58:58,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637594190] [2021-11-21 01:58:58,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637594190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:58:58,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:58:58,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:58:58,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759879180] [2021-11-21 01:58:58,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:58:58,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:58:58,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:58:58,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:58:58,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:58:58,936 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) [2021-11-21 01:59:03,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:03,203 INFO L93 Difference]: Finished difference Result 9848 states and 19541 transitions. [2021-11-21 01:59:03,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-21 01:59:03,204 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 [2021-11-21 01:59:03,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:03,217 INFO L225 Difference]: With dead ends: 9848 [2021-11-21 01:59:03,217 INFO L226 Difference]: Without dead ends: 9848 [2021-11-21 01:59:03,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=231, Invalid=581, Unknown=0, NotChecked=0, Total=812 [2021-11-21 01:59:03,218 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 798 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 3913 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 4031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:03,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [798 Valid, 610 Invalid, 4031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 3913 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-21 01:59:03,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9848 states. [2021-11-21 01:59:03,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9848 to 5286. [2021-11-21 01:59:03,325 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) [2021-11-21 01:59:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5286 states to 5286 states and 10515 transitions. [2021-11-21 01:59:03,334 INFO L78 Accepts]: Start accepts. Automaton has 5286 states and 10515 transitions. Word has length 24 [2021-11-21 01:59:03,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:03,334 INFO L470 AbstractCegarLoop]: Abstraction has 5286 states and 10515 transitions. [2021-11-21 01:59:03,334 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) [2021-11-21 01:59:03,334 INFO L276 IsEmpty]: Start isEmpty. Operand 5286 states and 10515 transitions. [2021-11-21 01:59:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:03,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:03,335 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] [2021-11-21 01:59:03,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-21 01:59:03,336 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)] === [2021-11-21 01:59:03,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:03,336 INFO L85 PathProgramCache]: Analyzing trace with hash -2057900707, now seen corresponding path program 3 times [2021-11-21 01:59:03,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:03,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160806981] [2021-11-21 01:59:03,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:03,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:03,894 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:03,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160806981] [2021-11-21 01:59:03,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160806981] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:03,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:03,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:59:03,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475625270] [2021-11-21 01:59:03,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:03,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:59:03,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:03,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:59:03,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:59:03,895 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) [2021-11-21 01:59:07,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:07,871 INFO L93 Difference]: Finished difference Result 9861 states and 19567 transitions. [2021-11-21 01:59:07,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-21 01:59:07,871 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 [2021-11-21 01:59:07,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:07,884 INFO L225 Difference]: With dead ends: 9861 [2021-11-21 01:59:07,884 INFO L226 Difference]: Without dead ends: 9861 [2021-11-21 01:59:07,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=260, Invalid=610, Unknown=0, NotChecked=0, Total=870 [2021-11-21 01:59:07,885 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 813 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 3371 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 3511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 3371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:07,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [813 Valid, 596 Invalid, 3511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 3371 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 01:59:07,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9861 states. [2021-11-21 01:59:07,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9861 to 5294. [2021-11-21 01:59:07,972 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) [2021-11-21 01:59:07,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5294 states to 5294 states and 10531 transitions. [2021-11-21 01:59:07,981 INFO L78 Accepts]: Start accepts. Automaton has 5294 states and 10531 transitions. Word has length 24 [2021-11-21 01:59:07,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:07,981 INFO L470 AbstractCegarLoop]: Abstraction has 5294 states and 10531 transitions. [2021-11-21 01:59:07,981 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) [2021-11-21 01:59:07,981 INFO L276 IsEmpty]: Start isEmpty. Operand 5294 states and 10531 transitions. [2021-11-21 01:59:07,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:07,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:07,982 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] [2021-11-21 01:59:07,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-21 01:59:07,983 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)] === [2021-11-21 01:59:07,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:07,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1763292261, now seen corresponding path program 4 times [2021-11-21 01:59:07,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:07,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783590494] [2021-11-21 01:59:07,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:07,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:08,458 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:08,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783590494] [2021-11-21 01:59:08,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783590494] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:08,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:08,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:59:08,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003376661] [2021-11-21 01:59:08,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:08,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:59:08,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:08,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:59:08,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:59:08,460 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) [2021-11-21 01:59:12,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:12,389 INFO L93 Difference]: Finished difference Result 9863 states and 19571 transitions. [2021-11-21 01:59:12,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-21 01:59:12,390 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 [2021-11-21 01:59:12,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:12,402 INFO L225 Difference]: With dead ends: 9863 [2021-11-21 01:59:12,402 INFO L226 Difference]: Without dead ends: 9863 [2021-11-21 01:59:12,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=230, Invalid=582, Unknown=0, NotChecked=0, Total=812 [2021-11-21 01:59:12,403 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 800 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 3523 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 3654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 3523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:12,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [800 Valid, 602 Invalid, 3654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 3523 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 01:59:12,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9863 states. [2021-11-21 01:59:12,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9863 to 5296. [2021-11-21 01:59:12,487 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) [2021-11-21 01:59:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5296 states to 5296 states and 10535 transitions. [2021-11-21 01:59:12,495 INFO L78 Accepts]: Start accepts. Automaton has 5296 states and 10535 transitions. Word has length 24 [2021-11-21 01:59:12,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:12,495 INFO L470 AbstractCegarLoop]: Abstraction has 5296 states and 10535 transitions. [2021-11-21 01:59:12,495 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) [2021-11-21 01:59:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 5296 states and 10535 transitions. [2021-11-21 01:59:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:12,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:12,497 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] [2021-11-21 01:59:12,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-21 01:59:12,497 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)] === [2021-11-21 01:59:12,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:12,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1758630171, now seen corresponding path program 5 times [2021-11-21 01:59:12,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:12,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420641859] [2021-11-21 01:59:12,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:12,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:13,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:13,007 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:13,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420641859] [2021-11-21 01:59:13,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420641859] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:13,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:13,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:59:13,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188007540] [2021-11-21 01:59:13,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:13,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:59:13,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:13,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:59:13,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:59:13,008 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) [2021-11-21 01:59:17,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:17,093 INFO L93 Difference]: Finished difference Result 9879 states and 19603 transitions. [2021-11-21 01:59:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-21 01:59:17,094 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 [2021-11-21 01:59:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:17,107 INFO L225 Difference]: With dead ends: 9879 [2021-11-21 01:59:17,107 INFO L226 Difference]: Without dead ends: 9879 [2021-11-21 01:59:17,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2021-11-21 01:59:17,108 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 847 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 3691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 3544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:17,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 598 Invalid, 3691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 01:59:17,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9879 states. [2021-11-21 01:59:17,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9879 to 5295. [2021-11-21 01:59:17,192 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) [2021-11-21 01:59:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 10533 transitions. [2021-11-21 01:59:17,200 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 10533 transitions. Word has length 24 [2021-11-21 01:59:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:17,201 INFO L470 AbstractCegarLoop]: Abstraction has 5295 states and 10533 transitions. [2021-11-21 01:59:17,201 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) [2021-11-21 01:59:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 10533 transitions. [2021-11-21 01:59:17,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:17,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:17,202 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] [2021-11-21 01:59:17,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-21 01:59:17,202 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)] === [2021-11-21 01:59:17,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:17,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1613182821, now seen corresponding path program 6 times [2021-11-21 01:59:17,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:17,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127144789] [2021-11-21 01:59:17,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:17,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:17,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:17,614 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:17,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127144789] [2021-11-21 01:59:17,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127144789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:17,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:17,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:59:17,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847509828] [2021-11-21 01:59:17,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:17,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:59:17,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:17,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:59:17,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:59:17,615 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) [2021-11-21 01:59:21,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:21,101 INFO L93 Difference]: Finished difference Result 9886 states and 19617 transitions. [2021-11-21 01:59:21,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-21 01:59:21,101 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 [2021-11-21 01:59:21,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:21,114 INFO L225 Difference]: With dead ends: 9886 [2021-11-21 01:59:21,114 INFO L226 Difference]: Without dead ends: 9886 [2021-11-21 01:59:21,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=320, Invalid=736, Unknown=0, NotChecked=0, Total=1056 [2021-11-21 01:59:21,114 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 846 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 3122 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 3266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 3122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:21,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [846 Valid, 586 Invalid, 3266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 3122 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-21 01:59:21,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9886 states. [2021-11-21 01:59:21,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9886 to 5303. [2021-11-21 01:59:21,194 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) [2021-11-21 01:59:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 10549 transitions. [2021-11-21 01:59:21,202 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 10549 transitions. Word has length 24 [2021-11-21 01:59:21,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:21,202 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 10549 transitions. [2021-11-21 01:59:21,202 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) [2021-11-21 01:59:21,202 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 10549 transitions. [2021-11-21 01:59:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:21,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:21,203 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] [2021-11-21 01:59:21,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-21 01:59:21,203 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)] === [2021-11-21 01:59:21,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:21,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2101541741, now seen corresponding path program 7 times [2021-11-21 01:59:21,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:21,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202363165] [2021-11-21 01:59:21,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:21,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:21,675 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:21,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202363165] [2021-11-21 01:59:21,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202363165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:21,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:21,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:59:21,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477391056] [2021-11-21 01:59:21,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:21,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:59:21,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:21,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:59:21,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:59:21,677 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) [2021-11-21 01:59:24,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:24,439 INFO L93 Difference]: Finished difference Result 9989 states and 19819 transitions. [2021-11-21 01:59:24,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-21 01:59:24,439 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 [2021-11-21 01:59:24,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:24,452 INFO L225 Difference]: With dead ends: 9989 [2021-11-21 01:59:24,452 INFO L226 Difference]: Without dead ends: 9989 [2021-11-21 01:59:24,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=303, Invalid=753, Unknown=0, NotChecked=0, Total=1056 [2021-11-21 01:59:24,452 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 799 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 1973 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 2137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:24,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [799 Valid, 552 Invalid, 2137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1973 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 01:59:24,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9989 states. [2021-11-21 01:59:24,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9989 to 5313. [2021-11-21 01:59:24,537 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) [2021-11-21 01:59:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5313 states to 5313 states and 10569 transitions. [2021-11-21 01:59:24,549 INFO L78 Accepts]: Start accepts. Automaton has 5313 states and 10569 transitions. Word has length 24 [2021-11-21 01:59:24,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:24,549 INFO L470 AbstractCegarLoop]: Abstraction has 5313 states and 10569 transitions. [2021-11-21 01:59:24,550 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) [2021-11-21 01:59:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 5313 states and 10569 transitions. [2021-11-21 01:59:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:24,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:24,551 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] [2021-11-21 01:59:24,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-21 01:59:24,552 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)] === [2021-11-21 01:59:24,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash -2096879651, now seen corresponding path program 8 times [2021-11-21 01:59:24,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:24,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951956572] [2021-11-21 01:59:24,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:24,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:24,958 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:24,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951956572] [2021-11-21 01:59:24,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951956572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:24,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:24,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:59:24,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960599340] [2021-11-21 01:59:24,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:24,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:59:24,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:24,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:59:24,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:59:24,960 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) [2021-11-21 01:59:28,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:28,725 INFO L93 Difference]: Finished difference Result 10037 states and 19915 transitions. [2021-11-21 01:59:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-21 01:59:28,726 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 [2021-11-21 01:59:28,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:28,744 INFO L225 Difference]: With dead ends: 10037 [2021-11-21 01:59:28,744 INFO L226 Difference]: Without dead ends: 10037 [2021-11-21 01:59:28,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=352, Invalid=838, Unknown=0, NotChecked=0, Total=1190 [2021-11-21 01:59:28,745 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 828 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 3260 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 3260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:28,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [828 Valid, 596 Invalid, 3426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 3260 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-21 01:59:28,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10037 states. [2021-11-21 01:59:28,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10037 to 5312. [2021-11-21 01:59:28,826 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) [2021-11-21 01:59:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5312 states to 5312 states and 10567 transitions. [2021-11-21 01:59:28,879 INFO L78 Accepts]: Start accepts. Automaton has 5312 states and 10567 transitions. Word has length 24 [2021-11-21 01:59:28,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:28,879 INFO L470 AbstractCegarLoop]: Abstraction has 5312 states and 10567 transitions. [2021-11-21 01:59:28,879 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) [2021-11-21 01:59:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5312 states and 10567 transitions. [2021-11-21 01:59:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:28,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:28,881 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] [2021-11-21 01:59:28,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-21 01:59:28,881 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)] === [2021-11-21 01:59:28,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:28,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1951432301, now seen corresponding path program 9 times [2021-11-21 01:59:28,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:28,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909495875] [2021-11-21 01:59:28,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:28,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:29,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:29,386 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:29,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909495875] [2021-11-21 01:59:29,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909495875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:29,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:29,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:59:29,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888988641] [2021-11-21 01:59:29,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:29,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:59:29,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:29,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:59:29,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:59:29,387 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) [2021-11-21 01:59:34,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:34,559 INFO L93 Difference]: Finished difference Result 10051 states and 19943 transitions. [2021-11-21 01:59:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-21 01:59:34,559 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 [2021-11-21 01:59:34,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:34,572 INFO L225 Difference]: With dead ends: 10051 [2021-11-21 01:59:34,572 INFO L226 Difference]: Without dead ends: 10051 [2021-11-21 01:59:34,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=570, Invalid=1410, Unknown=0, NotChecked=0, Total=1980 [2021-11-21 01:59:34,573 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 900 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 3866 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 4058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 3866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:34,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [900 Valid, 618 Invalid, 4058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 3866 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-21 01:59:34,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10051 states. [2021-11-21 01:59:34,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10051 to 5225. [2021-11-21 01:59:34,652 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) [2021-11-21 01:59:34,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 10387 transitions. [2021-11-21 01:59:34,660 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 10387 transitions. Word has length 24 [2021-11-21 01:59:34,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:34,661 INFO L470 AbstractCegarLoop]: Abstraction has 5225 states and 10387 transitions. [2021-11-21 01:59:34,661 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) [2021-11-21 01:59:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 10387 transitions. [2021-11-21 01:59:34,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:34,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:34,662 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] [2021-11-21 01:59:34,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-21 01:59:34,662 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)] === [2021-11-21 01:59:34,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:34,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1708932387, now seen corresponding path program 10 times [2021-11-21 01:59:34,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:34,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593531132] [2021-11-21 01:59:34,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:34,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:35,029 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:35,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593531132] [2021-11-21 01:59:35,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593531132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:35,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:35,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 01:59:35,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368042271] [2021-11-21 01:59:35,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:35,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:59:35,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:35,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:59:35,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:59:35,030 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) [2021-11-21 01:59:39,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:39,045 INFO L93 Difference]: Finished difference Result 9994 states and 19829 transitions. [2021-11-21 01:59:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-21 01:59:39,046 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 [2021-11-21 01:59:39,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:39,060 INFO L225 Difference]: With dead ends: 9994 [2021-11-21 01:59:39,060 INFO L226 Difference]: Without dead ends: 9994 [2021-11-21 01:59:39,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=631, Invalid=1531, Unknown=0, NotChecked=0, Total=2162 [2021-11-21 01:59:39,061 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 911 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 3431 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 3638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 3431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:39,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [911 Valid, 606 Invalid, 3638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 3431 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-21 01:59:39,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2021-11-21 01:59:39,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 5233. [2021-11-21 01:59:39,150 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) [2021-11-21 01:59:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 5233 states and 10403 transitions. [2021-11-21 01:59:39,157 INFO L78 Accepts]: Start accepts. Automaton has 5233 states and 10403 transitions. Word has length 24 [2021-11-21 01:59:39,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:39,157 INFO L470 AbstractCegarLoop]: Abstraction has 5233 states and 10403 transitions. [2021-11-21 01:59:39,157 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) [2021-11-21 01:59:39,157 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 10403 transitions. [2021-11-21 01:59:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:39,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:39,158 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, 1, 1] [2021-11-21 01:59:39,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-21 01:59:39,159 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)] === [2021-11-21 01:59:39,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:39,159 INFO L85 PathProgramCache]: Analyzing trace with hash 454116251, now seen corresponding path program 11 times [2021-11-21 01:59:39,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:39,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233223895] [2021-11-21 01:59:39,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:39,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:39,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:39,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233223895] [2021-11-21 01:59:39,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233223895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:39,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:39,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 01:59:39,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750880665] [2021-11-21 01:59:39,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:39,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 01:59:39,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:39,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 01:59:39,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:59:39,418 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) [2021-11-21 01:59:42,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:42,500 INFO L93 Difference]: Finished difference Result 9085 states and 17999 transitions. [2021-11-21 01:59:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-21 01:59:42,500 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 [2021-11-21 01:59:42,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:42,511 INFO L225 Difference]: With dead ends: 9085 [2021-11-21 01:59:42,512 INFO L226 Difference]: Without dead ends: 9085 [2021-11-21 01:59:42,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2021-11-21 01:59:42,512 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 896 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 2757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:42,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [896 Valid, 626 Invalid, 2757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 2693 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 01:59:42,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9085 states. [2021-11-21 01:59:42,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9085 to 5237. [2021-11-21 01:59:42,586 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) [2021-11-21 01:59:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 10411 transitions. [2021-11-21 01:59:42,593 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 10411 transitions. Word has length 24 [2021-11-21 01:59:42,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:42,593 INFO L470 AbstractCegarLoop]: Abstraction has 5237 states and 10411 transitions. [2021-11-21 01:59:42,593 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) [2021-11-21 01:59:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 10411 transitions. [2021-11-21 01:59:42,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:42,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:42,594 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] [2021-11-21 01:59:42,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-21 01:59:42,594 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)] === [2021-11-21 01:59:42,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:42,595 INFO L85 PathProgramCache]: Analyzing trace with hash 458778341, now seen corresponding path program 12 times [2021-11-21 01:59:42,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:42,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349346621] [2021-11-21 01:59:42,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:42,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:42,788 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:42,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349346621] [2021-11-21 01:59:42,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349346621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:42,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:42,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 01:59:42,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478332314] [2021-11-21 01:59:42,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:42,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 01:59:42,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:42,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 01:59:42,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:59:42,790 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) [2021-11-21 01:59:44,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:44,998 INFO L93 Difference]: Finished difference Result 9109 states and 18047 transitions. [2021-11-21 01:59:44,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-21 01:59:44,998 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 [2021-11-21 01:59:44,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:45,010 INFO L225 Difference]: With dead ends: 9109 [2021-11-21 01:59:45,010 INFO L226 Difference]: Without dead ends: 9109 [2021-11-21 01:59:45,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=250, Invalid=562, Unknown=0, NotChecked=0, Total=812 [2021-11-21 01:59:45,011 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 930 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:45,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [930 Valid, 598 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 01:59:45,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9109 states. [2021-11-21 01:59:45,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9109 to 5236. [2021-11-21 01:59:45,086 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) [2021-11-21 01:59:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 10409 transitions. [2021-11-21 01:59:45,093 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 10409 transitions. Word has length 24 [2021-11-21 01:59:45,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:45,093 INFO L470 AbstractCegarLoop]: Abstraction has 5236 states and 10409 transitions. [2021-11-21 01:59:45,093 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) [2021-11-21 01:59:45,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 10409 transitions. [2021-11-21 01:59:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:45,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:45,094 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] [2021-11-21 01:59:45,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-21 01:59:45,094 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)] === [2021-11-21 01:59:45,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:45,095 INFO L85 PathProgramCache]: Analyzing trace with hash 604225691, now seen corresponding path program 13 times [2021-11-21 01:59:45,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:45,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415614033] [2021-11-21 01:59:45,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:45,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:45,293 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:45,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415614033] [2021-11-21 01:59:45,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415614033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:45,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:45,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 01:59:45,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180371077] [2021-11-21 01:59:45,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:45,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 01:59:45,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:45,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 01:59:45,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:59:45,294 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) [2021-11-21 01:59:48,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:48,010 INFO L93 Difference]: Finished difference Result 9133 states and 18095 transitions. [2021-11-21 01:59:48,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-21 01:59:48,010 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 [2021-11-21 01:59:48,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:48,026 INFO L225 Difference]: With dead ends: 9133 [2021-11-21 01:59:48,026 INFO L226 Difference]: Without dead ends: 9133 [2021-11-21 01:59:48,026 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 [2021-11-21 01:59:48,027 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 904 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 2682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:48,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [904 Valid, 620 Invalid, 2682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2611 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:59:48,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9133 states. [2021-11-21 01:59:48,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9133 to 5235. [2021-11-21 01:59:48,115 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) [2021-11-21 01:59:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 5235 states and 10407 transitions. [2021-11-21 01:59:48,122 INFO L78 Accepts]: Start accepts. Automaton has 5235 states and 10407 transitions. Word has length 24 [2021-11-21 01:59:48,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:48,122 INFO L470 AbstractCegarLoop]: Abstraction has 5235 states and 10407 transitions. [2021-11-21 01:59:48,122 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) [2021-11-21 01:59:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 5235 states and 10407 transitions. [2021-11-21 01:59:48,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:48,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:48,123 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] [2021-11-21 01:59:48,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-21 01:59:48,123 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)] === [2021-11-21 01:59:48,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:48,123 INFO L85 PathProgramCache]: Analyzing trace with hash 846725605, now seen corresponding path program 14 times [2021-11-21 01:59:48,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:48,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892033884] [2021-11-21 01:59:48,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:48,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:48,307 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:48,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892033884] [2021-11-21 01:59:48,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892033884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:48,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:48,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 01:59:48,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35211252] [2021-11-21 01:59:48,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:48,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 01:59:48,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:48,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 01:59:48,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:59:48,308 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) [2021-11-21 01:59:51,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:51,449 INFO L93 Difference]: Finished difference Result 9250 states and 18329 transitions. [2021-11-21 01:59:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-21 01:59:51,449 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 [2021-11-21 01:59:51,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:51,462 INFO L225 Difference]: With dead ends: 9250 [2021-11-21 01:59:51,462 INFO L226 Difference]: Without dead ends: 9250 [2021-11-21 01:59:51,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=415, Invalid=917, Unknown=0, NotChecked=0, Total=1332 [2021-11-21 01:59:51,463 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 1028 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 2599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:51,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1028 Valid, 606 Invalid, 2599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 01:59:51,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9250 states. [2021-11-21 01:59:51,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9250 to 5234. [2021-11-21 01:59:51,548 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) [2021-11-21 01:59:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 10405 transitions. [2021-11-21 01:59:51,556 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 10405 transitions. Word has length 24 [2021-11-21 01:59:51,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:51,557 INFO L470 AbstractCegarLoop]: Abstraction has 5234 states and 10405 transitions. [2021-11-21 01:59:51,557 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) [2021-11-21 01:59:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 10405 transitions. [2021-11-21 01:59:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:51,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:51,558 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] [2021-11-21 01:59:51,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-11-21 01:59:51,558 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)] === [2021-11-21 01:59:51,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:51,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1224068195, now seen corresponding path program 1 times [2021-11-21 01:59:51,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:51,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254256660] [2021-11-21 01:59:51,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:51,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:51,768 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:51,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254256660] [2021-11-21 01:59:51,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254256660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:51,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:51,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 01:59:51,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928307910] [2021-11-21 01:59:51,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:51,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 01:59:51,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:51,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 01:59:51,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:59:51,769 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) [2021-11-21 01:59:54,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:54,679 INFO L93 Difference]: Finished difference Result 9067 states and 17959 transitions. [2021-11-21 01:59:54,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-21 01:59:54,680 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 [2021-11-21 01:59:54,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:54,691 INFO L225 Difference]: With dead ends: 9067 [2021-11-21 01:59:54,691 INFO L226 Difference]: Without dead ends: 9067 [2021-11-21 01:59:54,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=316, Invalid=806, Unknown=0, NotChecked=0, Total=1122 [2021-11-21 01:59:54,691 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 1123 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 2776 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 2917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 2776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:54,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1123 Valid, 765 Invalid, 2917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 2776 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 01:59:54,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9067 states. [2021-11-21 01:59:54,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9067 to 5312. [2021-11-21 01:59:54,777 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) [2021-11-21 01:59:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5312 states to 5312 states and 10565 transitions. [2021-11-21 01:59:54,785 INFO L78 Accepts]: Start accepts. Automaton has 5312 states and 10565 transitions. Word has length 24 [2021-11-21 01:59:54,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:54,786 INFO L470 AbstractCegarLoop]: Abstraction has 5312 states and 10565 transitions. [2021-11-21 01:59:54,786 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) [2021-11-21 01:59:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 5312 states and 10565 transitions. [2021-11-21 01:59:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:54,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:54,787 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] [2021-11-21 01:59:54,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-21 01:59:54,787 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)] === [2021-11-21 01:59:54,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:54,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1734060507, now seen corresponding path program 15 times [2021-11-21 01:59:54,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:54,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530540299] [2021-11-21 01:59:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:54,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:54,991 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:54,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530540299] [2021-11-21 01:59:54,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530540299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:54,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:54,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 01:59:54,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105105062] [2021-11-21 01:59:54,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:54,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 01:59:54,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:54,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 01:59:54,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:59:54,993 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) [2021-11-21 01:59:58,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:59:58,851 INFO L93 Difference]: Finished difference Result 9125 states and 18079 transitions. [2021-11-21 01:59:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-21 01:59:58,851 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 [2021-11-21 01:59:58,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:59:58,863 INFO L225 Difference]: With dead ends: 9125 [2021-11-21 01:59:58,863 INFO L226 Difference]: Without dead ends: 9125 [2021-11-21 01:59:58,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=416, Invalid=990, Unknown=0, NotChecked=0, Total=1406 [2021-11-21 01:59:58,864 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 1158 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 2921 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 3060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 2921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:59:58,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1158 Valid, 784 Invalid, 3060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 2921 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 01:59:58,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9125 states. [2021-11-21 01:59:58,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9125 to 5335. [2021-11-21 01:59:58,950 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) [2021-11-21 01:59:58,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 10616 transitions. [2021-11-21 01:59:58,959 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 10616 transitions. Word has length 24 [2021-11-21 01:59:58,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:59:58,959 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 10616 transitions. [2021-11-21 01:59:58,959 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) [2021-11-21 01:59:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 10616 transitions. [2021-11-21 01:59:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:59:58,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:59:58,960 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] [2021-11-21 01:59:58,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-11-21 01:59:58,961 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)] === [2021-11-21 01:59:58,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:59:58,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1629372710, now seen corresponding path program 2 times [2021-11-21 01:59:58,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:59:58,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297119179] [2021-11-21 01:59:58,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:59:58,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:59:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:59:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:59:59,397 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:59:59,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297119179] [2021-11-21 01:59:59,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297119179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:59:59,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:59:59,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 01:59:59,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044425818] [2021-11-21 01:59:59,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:59:59,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-21 01:59:59,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:59:59,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-21 01:59:59,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:59:59,399 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) [2021-11-21 02:00:02,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:02,685 INFO L93 Difference]: Finished difference Result 5635 states and 11215 transitions. [2021-11-21 02:00:02,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 02:00:02,686 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 [2021-11-21 02:00:02,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:02,692 INFO L225 Difference]: With dead ends: 5635 [2021-11-21 02:00:02,692 INFO L226 Difference]: Without dead ends: 5635 [2021-11-21 02:00:02,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-11-21 02:00:02,693 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 470 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 2339 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 2465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:02,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [470 Valid, 381 Invalid, 2465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2339 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-21 02:00:02,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5635 states. [2021-11-21 02:00:02,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5635 to 5336. [2021-11-21 02:00:02,753 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) [2021-11-21 02:00:02,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5336 states to 5336 states and 10618 transitions. [2021-11-21 02:00:02,762 INFO L78 Accepts]: Start accepts. Automaton has 5336 states and 10618 transitions. Word has length 24 [2021-11-21 02:00:02,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:02,762 INFO L470 AbstractCegarLoop]: Abstraction has 5336 states and 10618 transitions. [2021-11-21 02:00:02,762 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) [2021-11-21 02:00:02,762 INFO L276 IsEmpty]: Start isEmpty. Operand 5336 states and 10618 transitions. [2021-11-21 02:00:02,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:02,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:02,763 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] [2021-11-21 02:00:02,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-11-21 02:00:02,763 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)] === [2021-11-21 02:00:02,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1635427010, now seen corresponding path program 3 times [2021-11-21 02:00:02,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:02,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069238186] [2021-11-21 02:00:02,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:02,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:03,160 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:03,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069238186] [2021-11-21 02:00:03,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069238186] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:03,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:03,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 02:00:03,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320138612] [2021-11-21 02:00:03,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:03,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-21 02:00:03,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:03,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-21 02:00:03,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-21 02:00:03,161 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) [2021-11-21 02:00:06,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:06,227 INFO L93 Difference]: Finished difference Result 5705 states and 11355 transitions. [2021-11-21 02:00:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 02:00:06,227 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 [2021-11-21 02:00:06,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:06,233 INFO L225 Difference]: With dead ends: 5705 [2021-11-21 02:00:06,233 INFO L226 Difference]: Without dead ends: 5705 [2021-11-21 02:00:06,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2021-11-21 02:00:06,233 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 488 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 2325 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 2482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:06,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 381 Invalid, 2482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2325 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 02:00:06,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5705 states. [2021-11-21 02:00:06,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5705 to 5341. [2021-11-21 02:00:06,301 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) [2021-11-21 02:00:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5341 states to 5341 states and 10628 transitions. [2021-11-21 02:00:06,310 INFO L78 Accepts]: Start accepts. Automaton has 5341 states and 10628 transitions. Word has length 24 [2021-11-21 02:00:06,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:06,310 INFO L470 AbstractCegarLoop]: Abstraction has 5341 states and 10628 transitions. [2021-11-21 02:00:06,311 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) [2021-11-21 02:00:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 5341 states and 10628 transitions. [2021-11-21 02:00:06,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:06,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:06,312 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] [2021-11-21 02:00:06,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-11-21 02:00:06,312 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)] === [2021-11-21 02:00:06,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:06,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1824004040, now seen corresponding path program 4 times [2021-11-21 02:00:06,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:06,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343149212] [2021-11-21 02:00:06,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:06,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:06,631 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:06,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343149212] [2021-11-21 02:00:06,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343149212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:06,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:06,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 02:00:06,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321515679] [2021-11-21 02:00:06,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:06,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-21 02:00:06,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:06,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-21 02:00:06,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-21 02:00:06,633 INFO L87 Difference]: Start difference. First operand 5341 states and 10628 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) [2021-11-21 02:00:08,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:08,948 INFO L93 Difference]: Finished difference Result 5764 states and 11474 transitions. [2021-11-21 02:00:08,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 02:00:08,949 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 [2021-11-21 02:00:08,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:08,956 INFO L225 Difference]: With dead ends: 5764 [2021-11-21 02:00:08,956 INFO L226 Difference]: Without dead ends: 5764 [2021-11-21 02:00:08,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2021-11-21 02:00:08,957 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 423 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:08,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 394 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 02:00:08,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5764 states. [2021-11-21 02:00:09,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5764 to 5346. [2021-11-21 02:00:09,018 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) [2021-11-21 02:00:09,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5346 states to 5346 states and 10638 transitions. [2021-11-21 02:00:09,025 INFO L78 Accepts]: Start accepts. Automaton has 5346 states and 10638 transitions. Word has length 24 [2021-11-21 02:00:09,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:09,025 INFO L470 AbstractCegarLoop]: Abstraction has 5346 states and 10638 transitions. [2021-11-21 02:00:09,026 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) [2021-11-21 02:00:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5346 states and 10638 transitions. [2021-11-21 02:00:09,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:09,026 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:09,027 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] [2021-11-21 02:00:09,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-11-21 02:00:09,027 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)] === [2021-11-21 02:00:09,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:09,027 INFO L85 PathProgramCache]: Analyzing trace with hash -892336992, now seen corresponding path program 5 times [2021-11-21 02:00:09,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:09,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547814729] [2021-11-21 02:00:09,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:09,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:09,315 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:09,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547814729] [2021-11-21 02:00:09,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547814729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:09,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:09,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 02:00:09,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40472739] [2021-11-21 02:00:09,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:09,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-21 02:00:09,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:09,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-21 02:00:09,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-21 02:00:09,316 INFO L87 Difference]: Start difference. First operand 5346 states and 10638 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) [2021-11-21 02:00:11,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:11,122 INFO L93 Difference]: Finished difference Result 5824 states and 11594 transitions. [2021-11-21 02:00:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 02:00:11,123 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 [2021-11-21 02:00:11,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:11,129 INFO L225 Difference]: With dead ends: 5824 [2021-11-21 02:00:11,129 INFO L226 Difference]: Without dead ends: 5824 [2021-11-21 02:00:11,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2021-11-21 02:00:11,130 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 406 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1505 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:11,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 389 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1505 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 02:00:11,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5824 states. [2021-11-21 02:00:11,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5824 to 5351. [2021-11-21 02:00:11,187 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) [2021-11-21 02:00:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5351 states to 5351 states and 10648 transitions. [2021-11-21 02:00:11,195 INFO L78 Accepts]: Start accepts. Automaton has 5351 states and 10648 transitions. Word has length 24 [2021-11-21 02:00:11,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:11,195 INFO L470 AbstractCegarLoop]: Abstraction has 5351 states and 10648 transitions. [2021-11-21 02:00:11,195 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) [2021-11-21 02:00:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 5351 states and 10648 transitions. [2021-11-21 02:00:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:11,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:11,196 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] [2021-11-21 02:00:11,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-11-21 02:00:11,197 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)] === [2021-11-21 02:00:11,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:11,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1659311466, now seen corresponding path program 6 times [2021-11-21 02:00:11,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:11,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48227621] [2021-11-21 02:00:11,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:11,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:11,460 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:11,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48227621] [2021-11-21 02:00:11,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48227621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:11,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:11,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 02:00:11,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239238995] [2021-11-21 02:00:11,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:11,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-21 02:00:11,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:11,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-21 02:00:11,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-11-21 02:00:11,461 INFO L87 Difference]: Start difference. First operand 5351 states and 10648 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) [2021-11-21 02:00:14,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:14,460 INFO L93 Difference]: Finished difference Result 8667 states and 17191 transitions. [2021-11-21 02:00:14,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-21 02:00:14,460 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 [2021-11-21 02:00:14,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:14,471 INFO L225 Difference]: With dead ends: 8667 [2021-11-21 02:00:14,471 INFO L226 Difference]: Without dead ends: 8667 [2021-11-21 02:00:14,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2021-11-21 02:00:14,472 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 631 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 2763 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:14,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [631 Valid, 574 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2763 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 02:00:14,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8667 states. [2021-11-21 02:00:14,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8667 to 5159. [2021-11-21 02:00:14,541 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) [2021-11-21 02:00:14,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5159 states to 5159 states and 10260 transitions. [2021-11-21 02:00:14,548 INFO L78 Accepts]: Start accepts. Automaton has 5159 states and 10260 transitions. Word has length 24 [2021-11-21 02:00:14,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:14,548 INFO L470 AbstractCegarLoop]: Abstraction has 5159 states and 10260 transitions. [2021-11-21 02:00:14,549 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) [2021-11-21 02:00:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 5159 states and 10260 transitions. [2021-11-21 02:00:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:14,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:14,549 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] [2021-11-21 02:00:14,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-11-21 02:00:14,550 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)] === [2021-11-21 02:00:14,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:14,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1795974222, now seen corresponding path program 6 times [2021-11-21 02:00:14,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:14,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589088920] [2021-11-21 02:00:14,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:14,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:14,719 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:14,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589088920] [2021-11-21 02:00:14,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589088920] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:14,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:14,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:00:14,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985005499] [2021-11-21 02:00:14,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:14,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:00:14,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:14,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:00:14,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:00:14,720 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) [2021-11-21 02:00:16,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:16,836 INFO L93 Difference]: Finished difference Result 8531 states and 16911 transitions. [2021-11-21 02:00:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-21 02:00:16,836 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 [2021-11-21 02:00:16,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:16,846 INFO L225 Difference]: With dead ends: 8531 [2021-11-21 02:00:16,846 INFO L226 Difference]: Without dead ends: 8531 [2021-11-21 02:00:16,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-11-21 02:00:16,847 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 454 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:16,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [454 Valid, 449 Invalid, 2215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2156 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 02:00:16,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8531 states. [2021-11-21 02:00:16,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8531 to 5107. [2021-11-21 02:00:16,915 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) [2021-11-21 02:00:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5107 states to 5107 states and 10151 transitions. [2021-11-21 02:00:16,921 INFO L78 Accepts]: Start accepts. Automaton has 5107 states and 10151 transitions. Word has length 24 [2021-11-21 02:00:16,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:16,921 INFO L470 AbstractCegarLoop]: Abstraction has 5107 states and 10151 transitions. [2021-11-21 02:00:16,922 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) [2021-11-21 02:00:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand 5107 states and 10151 transitions. [2021-11-21 02:00:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:16,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:16,922 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] [2021-11-21 02:00:16,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-11-21 02:00:16,923 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)] === [2021-11-21 02:00:16,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:16,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1190296444, now seen corresponding path program 7 times [2021-11-21 02:00:16,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:16,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754411820] [2021-11-21 02:00:16,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:16,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:17,213 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:17,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754411820] [2021-11-21 02:00:17,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754411820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:17,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:17,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:00:17,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072576119] [2021-11-21 02:00:17,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:17,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:00:17,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:17,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:00:17,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:00:17,214 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) [2021-11-21 02:00:20,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:20,897 INFO L93 Difference]: Finished difference Result 14445 states and 28661 transitions. [2021-11-21 02:00:20,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-21 02:00:20,898 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 [2021-11-21 02:00:20,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:20,917 INFO L225 Difference]: With dead ends: 14445 [2021-11-21 02:00:20,917 INFO L226 Difference]: Without dead ends: 14445 [2021-11-21 02:00:20,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2021-11-21 02:00:20,918 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 705 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 3109 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 3244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:20,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 581 Invalid, 3244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3109 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-21 02:00:20,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14445 states. [2021-11-21 02:00:21,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14445 to 5166. [2021-11-21 02:00:21,013 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) [2021-11-21 02:00:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 10269 transitions. [2021-11-21 02:00:21,021 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 10269 transitions. Word has length 24 [2021-11-21 02:00:21,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:21,021 INFO L470 AbstractCegarLoop]: Abstraction has 5166 states and 10269 transitions. [2021-11-21 02:00:21,021 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) [2021-11-21 02:00:21,021 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 10269 transitions. [2021-11-21 02:00:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:21,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:21,022 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] [2021-11-21 02:00:21,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-11-21 02:00:21,022 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)] === [2021-11-21 02:00:21,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:21,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1434788794, now seen corresponding path program 8 times [2021-11-21 02:00:21,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:21,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098297114] [2021-11-21 02:00:21,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:21,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:21,312 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:21,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098297114] [2021-11-21 02:00:21,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098297114] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:21,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:21,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:00:21,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893529835] [2021-11-21 02:00:21,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:21,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:00:21,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:21,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:00:21,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:00:21,313 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) [2021-11-21 02:00:24,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:24,524 INFO L93 Difference]: Finished difference Result 14407 states and 28589 transitions. [2021-11-21 02:00:24,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-21 02:00:24,524 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 [2021-11-21 02:00:24,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:24,544 INFO L225 Difference]: With dead ends: 14407 [2021-11-21 02:00:24,544 INFO L226 Difference]: Without dead ends: 14407 [2021-11-21 02:00:24,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=239, Invalid=517, Unknown=0, NotChecked=0, Total=756 [2021-11-21 02:00:24,545 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 685 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 2742 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 2873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 2742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:24,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [685 Valid, 574 Invalid, 2873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 2742 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 02:00:24,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14407 states. [2021-11-21 02:00:24,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14407 to 5158. [2021-11-21 02:00:24,642 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) [2021-11-21 02:00:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 5158 states and 10253 transitions. [2021-11-21 02:00:24,649 INFO L78 Accepts]: Start accepts. Automaton has 5158 states and 10253 transitions. Word has length 24 [2021-11-21 02:00:24,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:24,650 INFO L470 AbstractCegarLoop]: Abstraction has 5158 states and 10253 transitions. [2021-11-21 02:00:24,650 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) [2021-11-21 02:00:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 5158 states and 10253 transitions. [2021-11-21 02:00:24,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:24,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:24,651 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] [2021-11-21 02:00:24,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-11-21 02:00:24,651 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)] === [2021-11-21 02:00:24,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:24,651 INFO L85 PathProgramCache]: Analyzing trace with hash -292326494, now seen corresponding path program 9 times [2021-11-21 02:00:24,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:24,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872752257] [2021-11-21 02:00:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:24,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:24,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:24,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872752257] [2021-11-21 02:00:24,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872752257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:24,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:24,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:00:24,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821893216] [2021-11-21 02:00:24,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:24,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:00:24,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:24,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:00:24,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:00:24,942 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) [2021-11-21 02:00:29,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:29,106 INFO L93 Difference]: Finished difference Result 14425 states and 28625 transitions. [2021-11-21 02:00:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-21 02:00:29,107 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 [2021-11-21 02:00:29,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:29,126 INFO L225 Difference]: With dead ends: 14425 [2021-11-21 02:00:29,126 INFO L226 Difference]: Without dead ends: 14425 [2021-11-21 02:00:29,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=278, Invalid=592, Unknown=0, NotChecked=0, Total=870 [2021-11-21 02:00:29,127 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 706 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 3348 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 3498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 3348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:29,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [706 Valid, 585 Invalid, 3498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 3348 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 02:00:29,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14425 states. [2021-11-21 02:00:29,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14425 to 5150. [2021-11-21 02:00:29,223 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) [2021-11-21 02:00:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 10237 transitions. [2021-11-21 02:00:29,231 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 10237 transitions. Word has length 24 [2021-11-21 02:00:29,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:29,231 INFO L470 AbstractCegarLoop]: Abstraction has 5150 states and 10237 transitions. [2021-11-21 02:00:29,231 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) [2021-11-21 02:00:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 10237 transitions. [2021-11-21 02:00:29,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:29,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:29,232 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] [2021-11-21 02:00:29,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-11-21 02:00:29,233 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)] === [2021-11-21 02:00:29,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:29,233 INFO L85 PathProgramCache]: Analyzing trace with hash 117385458, now seen corresponding path program 10 times [2021-11-21 02:00:29,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:29,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804552416] [2021-11-21 02:00:29,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:29,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:29,516 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:29,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804552416] [2021-11-21 02:00:29,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804552416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:29,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:29,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:00:29,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008429458] [2021-11-21 02:00:29,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:29,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:00:29,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:29,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:00:29,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:00:29,518 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) [2021-11-21 02:00:35,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:35,204 INFO L93 Difference]: Finished difference Result 14505 states and 28785 transitions. [2021-11-21 02:00:35,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-21 02:00:35,204 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 [2021-11-21 02:00:35,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:35,226 INFO L225 Difference]: With dead ends: 14505 [2021-11-21 02:00:35,226 INFO L226 Difference]: Without dead ends: 14505 [2021-11-21 02:00:35,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=468, Invalid=1092, Unknown=0, NotChecked=0, Total=1560 [2021-11-21 02:00:35,227 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 839 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 5241 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 5241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:35,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [839 Valid, 548 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 5241 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-21 02:00:35,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14505 states. [2021-11-21 02:00:35,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14505 to 5137. [2021-11-21 02:00:35,338 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) [2021-11-21 02:00:35,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 10211 transitions. [2021-11-21 02:00:35,346 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 10211 transitions. Word has length 24 [2021-11-21 02:00:35,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:35,347 INFO L470 AbstractCegarLoop]: Abstraction has 5137 states and 10211 transitions. [2021-11-21 02:00:35,347 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) [2021-11-21 02:00:35,347 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 10211 transitions. [2021-11-21 02:00:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:35,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:35,349 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] [2021-11-21 02:00:35,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-11-21 02:00:35,349 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)] === [2021-11-21 02:00:35,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:35,350 INFO L85 PathProgramCache]: Analyzing trace with hash -834042363, now seen corresponding path program 16 times [2021-11-21 02:00:35,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:35,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903614287] [2021-11-21 02:00:35,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:35,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:36,250 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:36,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903614287] [2021-11-21 02:00:36,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903614287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:36,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:36,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:00:36,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369865976] [2021-11-21 02:00:36,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:36,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:00:36,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:36,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:00:36,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:00:36,252 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) [2021-11-21 02:00:40,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:40,489 INFO L93 Difference]: Finished difference Result 14497 states and 28777 transitions. [2021-11-21 02:00:40,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-21 02:00:40,489 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 [2021-11-21 02:00:40,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:40,511 INFO L225 Difference]: With dead ends: 14497 [2021-11-21 02:00:40,511 INFO L226 Difference]: Without dead ends: 14497 [2021-11-21 02:00:40,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=251, Invalid=679, Unknown=0, NotChecked=0, Total=930 [2021-11-21 02:00:40,515 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 900 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 3218 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 3341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 3218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:40,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [900 Valid, 701 Invalid, 3341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 3218 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-21 02:00:40,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14497 states. [2021-11-21 02:00:40,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14497 to 5163. [2021-11-21 02:00:40,623 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) [2021-11-21 02:00:40,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 5163 states and 10263 transitions. [2021-11-21 02:00:40,631 INFO L78 Accepts]: Start accepts. Automaton has 5163 states and 10263 transitions. Word has length 24 [2021-11-21 02:00:40,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:40,631 INFO L470 AbstractCegarLoop]: Abstraction has 5163 states and 10263 transitions. [2021-11-21 02:00:40,631 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) [2021-11-21 02:00:40,631 INFO L276 IsEmpty]: Start isEmpty. Operand 5163 states and 10263 transitions. [2021-11-21 02:00:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:40,632 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:40,632 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] [2021-11-21 02:00:40,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-11-21 02:00:40,632 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)] === [2021-11-21 02:00:40,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:40,633 INFO L85 PathProgramCache]: Analyzing trace with hash -590919171, now seen corresponding path program 17 times [2021-11-21 02:00:40,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:40,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950541742] [2021-11-21 02:00:40,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:40,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:41,086 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:41,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950541742] [2021-11-21 02:00:41,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950541742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:41,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:41,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:00:41,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118487691] [2021-11-21 02:00:41,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:41,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:00:41,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:41,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:00:41,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:00:41,088 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) [2021-11-21 02:00:44,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:44,485 INFO L93 Difference]: Finished difference Result 14502 states and 28787 transitions. [2021-11-21 02:00:44,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-21 02:00:44,486 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 [2021-11-21 02:00:44,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:44,505 INFO L225 Difference]: With dead ends: 14502 [2021-11-21 02:00:44,505 INFO L226 Difference]: Without dead ends: 14502 [2021-11-21 02:00:44,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=269, Invalid=723, Unknown=0, NotChecked=0, Total=992 [2021-11-21 02:00:44,506 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 871 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 3190 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 3318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 3190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:44,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [871 Valid, 699 Invalid, 3318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 3190 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-21 02:00:44,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14502 states. [2021-11-21 02:00:44,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14502 to 5164. [2021-11-21 02:00:44,653 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) [2021-11-21 02:00:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 5164 states and 10265 transitions. [2021-11-21 02:00:44,660 INFO L78 Accepts]: Start accepts. Automaton has 5164 states and 10265 transitions. Word has length 24 [2021-11-21 02:00:44,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:44,660 INFO L470 AbstractCegarLoop]: Abstraction has 5164 states and 10265 transitions. [2021-11-21 02:00:44,660 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) [2021-11-21 02:00:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 5164 states and 10265 transitions. [2021-11-21 02:00:44,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:44,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:44,661 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] [2021-11-21 02:00:44,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-11-21 02:00:44,661 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)] === [2021-11-21 02:00:44,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:44,662 INFO L85 PathProgramCache]: Analyzing trace with hash -586257081, now seen corresponding path program 18 times [2021-11-21 02:00:44,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:44,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433798137] [2021-11-21 02:00:44,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:44,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:45,268 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:45,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433798137] [2021-11-21 02:00:45,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433798137] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:45,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:45,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:00:45,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493787658] [2021-11-21 02:00:45,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:45,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:00:45,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:45,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:00:45,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:00:45,269 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) [2021-11-21 02:00:49,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:49,645 INFO L93 Difference]: Finished difference Result 14510 states and 28803 transitions. [2021-11-21 02:00:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-21 02:00:49,646 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 [2021-11-21 02:00:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:49,666 INFO L225 Difference]: With dead ends: 14510 [2021-11-21 02:00:49,666 INFO L226 Difference]: Without dead ends: 14510 [2021-11-21 02:00:49,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=304, Invalid=752, Unknown=0, NotChecked=0, Total=1056 [2021-11-21 02:00:49,667 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 903 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 3715 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 3848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 3715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:49,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 715 Invalid, 3848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 3715 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-21 02:00:49,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14510 states. [2021-11-21 02:00:49,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14510 to 5151. [2021-11-21 02:00:49,774 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) [2021-11-21 02:00:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 10239 transitions. [2021-11-21 02:00:49,782 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 10239 transitions. Word has length 24 [2021-11-21 02:00:49,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:49,782 INFO L470 AbstractCegarLoop]: Abstraction has 5151 states and 10239 transitions. [2021-11-21 02:00:49,782 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) [2021-11-21 02:00:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 10239 transitions. [2021-11-21 02:00:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:49,784 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:49,784 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] [2021-11-21 02:00:49,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-11-21 02:00:49,784 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)] === [2021-11-21 02:00:49,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:49,784 INFO L85 PathProgramCache]: Analyzing trace with hash -291648635, now seen corresponding path program 19 times [2021-11-21 02:00:49,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:49,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270868868] [2021-11-21 02:00:49,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:49,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:50,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:50,240 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:50,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270868868] [2021-11-21 02:00:50,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270868868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:50,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:50,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:00:50,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863888331] [2021-11-21 02:00:50,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:50,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:00:50,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:50,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:00:50,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:00:50,242 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) [2021-11-21 02:00:53,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:53,816 INFO L93 Difference]: Finished difference Result 14508 states and 28799 transitions. [2021-11-21 02:00:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-21 02:00:53,816 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 [2021-11-21 02:00:53,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:53,836 INFO L225 Difference]: With dead ends: 14508 [2021-11-21 02:00:53,836 INFO L226 Difference]: Without dead ends: 14508 [2021-11-21 02:00:53,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2021-11-21 02:00:53,837 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 788 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 3442 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 3442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:53,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [788 Valid, 706 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 3442 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-21 02:00:53,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14508 states. [2021-11-21 02:00:53,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14508 to 5153. [2021-11-21 02:00:53,935 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) [2021-11-21 02:00:53,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 5153 states and 10243 transitions. [2021-11-21 02:00:53,942 INFO L78 Accepts]: Start accepts. Automaton has 5153 states and 10243 transitions. Word has length 24 [2021-11-21 02:00:53,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:53,943 INFO L470 AbstractCegarLoop]: Abstraction has 5153 states and 10243 transitions. [2021-11-21 02:00:53,943 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) [2021-11-21 02:00:53,943 INFO L276 IsEmpty]: Start isEmpty. Operand 5153 states and 10243 transitions. [2021-11-21 02:00:53,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:53,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:53,944 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] [2021-11-21 02:00:53,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-11-21 02:00:53,944 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)] === [2021-11-21 02:00:53,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:53,945 INFO L85 PathProgramCache]: Analyzing trace with hash -286986545, now seen corresponding path program 20 times [2021-11-21 02:00:53,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:53,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027719407] [2021-11-21 02:00:53,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:53,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:54,305 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:54,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027719407] [2021-11-21 02:00:54,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027719407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:54,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:54,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:00:54,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772145960] [2021-11-21 02:00:54,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:54,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:00:54,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:54,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:00:54,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:00:54,306 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) [2021-11-21 02:00:58,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:58,583 INFO L93 Difference]: Finished difference Result 14517 states and 28817 transitions. [2021-11-21 02:00:58,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-21 02:00:58,583 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 [2021-11-21 02:00:58,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:58,603 INFO L225 Difference]: With dead ends: 14517 [2021-11-21 02:00:58,603 INFO L226 Difference]: Without dead ends: 14517 [2021-11-21 02:00:58,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=320, Invalid=802, Unknown=0, NotChecked=0, Total=1122 [2021-11-21 02:00:58,603 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 898 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 4288 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 4395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 4288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:58,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [898 Valid, 733 Invalid, 4395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 4288 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-21 02:00:58,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14517 states. [2021-11-21 02:00:58,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14517 to 5152. [2021-11-21 02:00:58,736 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) [2021-11-21 02:00:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 10241 transitions. [2021-11-21 02:00:58,743 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 10241 transitions. Word has length 24 [2021-11-21 02:00:58,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:58,744 INFO L470 AbstractCegarLoop]: Abstraction has 5152 states and 10241 transitions. [2021-11-21 02:00:58,744 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) [2021-11-21 02:00:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 10241 transitions. [2021-11-21 02:00:58,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:00:58,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:58,745 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] [2021-11-21 02:00:58,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-11-21 02:00:58,745 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)] === [2021-11-21 02:00:58,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:58,745 INFO L85 PathProgramCache]: Analyzing trace with hash -141539195, now seen corresponding path program 21 times [2021-11-21 02:00:58,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:58,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295523048] [2021-11-21 02:00:58,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:58,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:59,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:00:59,100 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:59,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295523048] [2021-11-21 02:00:59,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295523048] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:59,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:59,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:00:59,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515230404] [2021-11-21 02:00:59,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:59,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:00:59,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:59,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:00:59,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:00:59,101 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) [2021-11-21 02:01:03,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:03,619 INFO L93 Difference]: Finished difference Result 14523 states and 28829 transitions. [2021-11-21 02:01:03,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-21 02:01:03,619 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 [2021-11-21 02:01:03,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:03,639 INFO L225 Difference]: With dead ends: 14523 [2021-11-21 02:01:03,639 INFO L226 Difference]: Without dead ends: 14523 [2021-11-21 02:01:03,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=356, Invalid=834, Unknown=0, NotChecked=0, Total=1190 [2021-11-21 02:01:03,640 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 881 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 4432 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 4563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 4432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:03,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [881 Valid, 733 Invalid, 4563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 4432 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-21 02:01:03,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14523 states. [2021-11-21 02:01:03,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14523 to 5139. [2021-11-21 02:01:03,739 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) [2021-11-21 02:01:03,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 10215 transitions. [2021-11-21 02:01:03,746 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 10215 transitions. Word has length 24 [2021-11-21 02:01:03,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:03,747 INFO L470 AbstractCegarLoop]: Abstraction has 5139 states and 10215 transitions. [2021-11-21 02:01:03,747 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) [2021-11-21 02:01:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 10215 transitions. [2021-11-21 02:01:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:03,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:03,748 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] [2021-11-21 02:01:03,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-11-21 02:01:03,748 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)] === [2021-11-21 02:01:03,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:03,748 INFO L85 PathProgramCache]: Analyzing trace with hash -629898115, now seen corresponding path program 22 times [2021-11-21 02:01:03,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:03,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741900819] [2021-11-21 02:01:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:03,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:04,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:04,077 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:04,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741900819] [2021-11-21 02:01:04,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741900819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:04,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:04,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:01:04,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862755357] [2021-11-21 02:01:04,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:04,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:01:04,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:04,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:01:04,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:01:04,079 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) [2021-11-21 02:01:07,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:07,870 INFO L93 Difference]: Finished difference Result 14504 states and 28791 transitions. [2021-11-21 02:01:07,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-21 02:01:07,870 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 [2021-11-21 02:01:07,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:07,889 INFO L225 Difference]: With dead ends: 14504 [2021-11-21 02:01:07,890 INFO L226 Difference]: Without dead ends: 14504 [2021-11-21 02:01:07,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=234, Invalid=636, Unknown=0, NotChecked=0, Total=870 [2021-11-21 02:01:07,890 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 787 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 3922 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 4018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 3922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:07,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [787 Valid, 722 Invalid, 4018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 3922 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 02:01:07,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14504 states. [2021-11-21 02:01:07,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14504 to 5142. [2021-11-21 02:01:07,990 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) [2021-11-21 02:01:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 10221 transitions. [2021-11-21 02:01:07,997 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 10221 transitions. Word has length 24 [2021-11-21 02:01:07,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:07,997 INFO L470 AbstractCegarLoop]: Abstraction has 5142 states and 10221 transitions. [2021-11-21 02:01:07,997 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) [2021-11-21 02:01:07,997 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 10221 transitions. [2021-11-21 02:01:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:07,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:07,998 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] [2021-11-21 02:01:07,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-11-21 02:01:07,998 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)] === [2021-11-21 02:01:07,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:07,999 INFO L85 PathProgramCache]: Analyzing trace with hash -625236025, now seen corresponding path program 23 times [2021-11-21 02:01:07,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:07,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136618989] [2021-11-21 02:01:07,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:07,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:08,291 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:08,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136618989] [2021-11-21 02:01:08,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136618989] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:08,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:08,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:01:08,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859157098] [2021-11-21 02:01:08,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:08,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:01:08,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:08,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:01:08,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:01:08,292 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) [2021-11-21 02:01:11,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:11,533 INFO L93 Difference]: Finished difference Result 14517 states and 28817 transitions. [2021-11-21 02:01:11,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-21 02:01:11,534 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 [2021-11-21 02:01:11,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:11,554 INFO L225 Difference]: With dead ends: 14517 [2021-11-21 02:01:11,554 INFO L226 Difference]: Without dead ends: 14517 [2021-11-21 02:01:11,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2021-11-21 02:01:11,554 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 764 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 3311 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 3401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 3311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:11,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [764 Valid, 702 Invalid, 3401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 3311 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 02:01:11,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14517 states. [2021-11-21 02:01:11,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14517 to 5141. [2021-11-21 02:01:11,650 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) [2021-11-21 02:01:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 10219 transitions. [2021-11-21 02:01:11,657 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 10219 transitions. Word has length 24 [2021-11-21 02:01:11,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:11,657 INFO L470 AbstractCegarLoop]: Abstraction has 5141 states and 10219 transitions. [2021-11-21 02:01:11,657 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) [2021-11-21 02:01:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 10219 transitions. [2021-11-21 02:01:11,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:11,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:11,658 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] [2021-11-21 02:01:11,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-11-21 02:01:11,659 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)] === [2021-11-21 02:01:11,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:11,659 INFO L85 PathProgramCache]: Analyzing trace with hash -479788675, now seen corresponding path program 24 times [2021-11-21 02:01:11,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:11,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942287728] [2021-11-21 02:01:11,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:11,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:12,047 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:12,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942287728] [2021-11-21 02:01:12,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942287728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:12,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:12,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:01:12,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600757812] [2021-11-21 02:01:12,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:12,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:01:12,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:12,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:01:12,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:01:12,048 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) [2021-11-21 02:01:16,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:16,529 INFO L93 Difference]: Finished difference Result 14524 states and 28831 transitions. [2021-11-21 02:01:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-21 02:01:16,530 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 [2021-11-21 02:01:16,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:16,550 INFO L225 Difference]: With dead ends: 14524 [2021-11-21 02:01:16,550 INFO L226 Difference]: Without dead ends: 14524 [2021-11-21 02:01:16,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=370, Invalid=890, Unknown=0, NotChecked=0, Total=1260 [2021-11-21 02:01:16,551 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 904 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 4468 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 4586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:16,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [904 Valid, 735 Invalid, 4586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 4468 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-21 02:01:16,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14524 states. [2021-11-21 02:01:16,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14524 to 5140. [2021-11-21 02:01:16,654 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) [2021-11-21 02:01:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5140 states to 5140 states and 10217 transitions. [2021-11-21 02:01:16,663 INFO L78 Accepts]: Start accepts. Automaton has 5140 states and 10217 transitions. Word has length 24 [2021-11-21 02:01:16,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:16,663 INFO L470 AbstractCegarLoop]: Abstraction has 5140 states and 10217 transitions. [2021-11-21 02:01:16,663 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) [2021-11-21 02:01:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 5140 states and 10217 transitions. [2021-11-21 02:01:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:16,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:16,664 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] [2021-11-21 02:01:16,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-11-21 02:01:16,664 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)] === [2021-11-21 02:01:16,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:16,664 INFO L85 PathProgramCache]: Analyzing trace with hash -237288761, now seen corresponding path program 25 times [2021-11-21 02:01:16,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:16,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033556804] [2021-11-21 02:01:16,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:16,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:16,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:16,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:16,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033556804] [2021-11-21 02:01:16,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033556804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:16,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:16,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:01:16,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824001499] [2021-11-21 02:01:16,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:16,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:01:16,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:16,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:01:16,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:01:16,991 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) [2021-11-21 02:01:22,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:22,451 INFO L93 Difference]: Finished difference Result 14776 states and 29331 transitions. [2021-11-21 02:01:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-21 02:01:22,451 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 [2021-11-21 02:01:22,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:22,472 INFO L225 Difference]: With dead ends: 14776 [2021-11-21 02:01:22,472 INFO L226 Difference]: Without dead ends: 14776 [2021-11-21 02:01:22,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=596, Invalid=1474, Unknown=0, NotChecked=0, Total=2070 [2021-11-21 02:01:22,472 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 973 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 5429 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 5588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 5429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:22,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [973 Valid, 749 Invalid, 5588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 5429 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-21 02:01:22,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14776 states. [2021-11-21 02:01:22,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14776 to 5117. [2021-11-21 02:01:22,572 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) [2021-11-21 02:01:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5117 states to 5117 states and 10171 transitions. [2021-11-21 02:01:22,579 INFO L78 Accepts]: Start accepts. Automaton has 5117 states and 10171 transitions. Word has length 24 [2021-11-21 02:01:22,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:22,580 INFO L470 AbstractCegarLoop]: Abstraction has 5117 states and 10171 transitions. [2021-11-21 02:01:22,580 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) [2021-11-21 02:01:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 5117 states and 10171 transitions. [2021-11-21 02:01:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:22,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:22,581 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] [2021-11-21 02:01:22,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-11-21 02:01:22,581 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)] === [2021-11-21 02:01:22,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:22,581 INFO L85 PathProgramCache]: Analyzing trace with hash -179260803, now seen corresponding path program 26 times [2021-11-21 02:01:22,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:22,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404363702] [2021-11-21 02:01:22,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:22,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:22,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:22,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404363702] [2021-11-21 02:01:22,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404363702] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:22,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:22,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:01:22,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513239233] [2021-11-21 02:01:22,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:22,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:01:22,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:22,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:01:22,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:01:22,807 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) [2021-11-21 02:01:25,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:25,589 INFO L93 Difference]: Finished difference Result 12481 states and 24724 transitions. [2021-11-21 02:01:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-21 02:01:25,589 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 [2021-11-21 02:01:25,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:25,606 INFO L225 Difference]: With dead ends: 12481 [2021-11-21 02:01:25,607 INFO L226 Difference]: Without dead ends: 12481 [2021-11-21 02:01:25,607 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 [2021-11-21 02:01:25,607 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 866 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 2398 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:25,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [866 Valid, 698 Invalid, 2454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2398 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 02:01:25,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12481 states. [2021-11-21 02:01:25,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12481 to 5128. [2021-11-21 02:01:25,696 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) [2021-11-21 02:01:25,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 10193 transitions. [2021-11-21 02:01:25,703 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 10193 transitions. Word has length 24 [2021-11-21 02:01:25,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:25,704 INFO L470 AbstractCegarLoop]: Abstraction has 5128 states and 10193 transitions. [2021-11-21 02:01:25,704 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) [2021-11-21 02:01:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 10193 transitions. [2021-11-21 02:01:25,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:25,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:25,705 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] [2021-11-21 02:01:25,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-11-21 02:01:25,705 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)] === [2021-11-21 02:01:25,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:25,705 INFO L85 PathProgramCache]: Analyzing trace with hash -174598713, now seen corresponding path program 27 times [2021-11-21 02:01:25,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:25,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166740582] [2021-11-21 02:01:25,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:25,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:25,875 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:25,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166740582] [2021-11-21 02:01:25,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166740582] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:25,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:25,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:01:25,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243380377] [2021-11-21 02:01:25,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:25,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:01:25,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:25,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:01:25,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:01:25,876 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) [2021-11-21 02:01:28,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:28,815 INFO L93 Difference]: Finished difference Result 12505 states and 24772 transitions. [2021-11-21 02:01:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-21 02:01:28,816 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 [2021-11-21 02:01:28,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:28,833 INFO L225 Difference]: With dead ends: 12505 [2021-11-21 02:01:28,833 INFO L226 Difference]: Without dead ends: 12505 [2021-11-21 02:01:28,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=271, Invalid=659, Unknown=0, NotChecked=0, Total=930 [2021-11-21 02:01:28,833 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 922 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 2567 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:28,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [922 Valid, 698 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2567 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 02:01:28,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12505 states. [2021-11-21 02:01:28,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12505 to 5136. [2021-11-21 02:01:28,922 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) [2021-11-21 02:01:28,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5136 states to 5136 states and 10209 transitions. [2021-11-21 02:01:28,930 INFO L78 Accepts]: Start accepts. Automaton has 5136 states and 10209 transitions. Word has length 24 [2021-11-21 02:01:28,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:28,930 INFO L470 AbstractCegarLoop]: Abstraction has 5136 states and 10209 transitions. [2021-11-21 02:01:28,930 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) [2021-11-21 02:01:28,930 INFO L276 IsEmpty]: Start isEmpty. Operand 5136 states and 10209 transitions. [2021-11-21 02:01:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:28,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:28,931 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] [2021-11-21 02:01:28,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-11-21 02:01:28,931 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)] === [2021-11-21 02:01:28,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:28,932 INFO L85 PathProgramCache]: Analyzing trace with hash -29151363, now seen corresponding path program 28 times [2021-11-21 02:01:28,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:28,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850085398] [2021-11-21 02:01:28,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:28,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:29,079 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:29,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850085398] [2021-11-21 02:01:29,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850085398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:29,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:29,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:01:29,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3776675] [2021-11-21 02:01:29,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:29,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:01:29,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:29,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:01:29,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:01:29,080 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) [2021-11-21 02:01:32,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:32,258 INFO L93 Difference]: Finished difference Result 12529 states and 24820 transitions. [2021-11-21 02:01:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-21 02:01:32,258 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 [2021-11-21 02:01:32,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:32,278 INFO L225 Difference]: With dead ends: 12529 [2021-11-21 02:01:32,278 INFO L226 Difference]: Without dead ends: 12529 [2021-11-21 02:01:32,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2021-11-21 02:01:32,278 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 925 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 2805 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 2872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:32,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [925 Valid, 706 Invalid, 2872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2805 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 02:01:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12529 states. [2021-11-21 02:01:32,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12529 to 5144. [2021-11-21 02:01:32,378 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) [2021-11-21 02:01:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 10225 transitions. [2021-11-21 02:01:32,386 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 10225 transitions. Word has length 24 [2021-11-21 02:01:32,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:32,387 INFO L470 AbstractCegarLoop]: Abstraction has 5144 states and 10225 transitions. [2021-11-21 02:01:32,387 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) [2021-11-21 02:01:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 10225 transitions. [2021-11-21 02:01:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:32,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:32,388 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] [2021-11-21 02:01:32,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-11-21 02:01:32,388 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)] === [2021-11-21 02:01:32,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:32,389 INFO L85 PathProgramCache]: Analyzing trace with hash 213348551, now seen corresponding path program 29 times [2021-11-21 02:01:32,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:32,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455990675] [2021-11-21 02:01:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:32,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:32,558 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:32,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455990675] [2021-11-21 02:01:32,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455990675] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:32,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:32,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:01:32,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500799781] [2021-11-21 02:01:32,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:32,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:01:32,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:32,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:01:32,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:01:32,559 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) [2021-11-21 02:01:37,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:37,296 INFO L93 Difference]: Finished difference Result 12757 states and 25276 transitions. [2021-11-21 02:01:37,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-21 02:01:37,296 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 [2021-11-21 02:01:37,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:37,316 INFO L225 Difference]: With dead ends: 12757 [2021-11-21 02:01:37,317 INFO L226 Difference]: Without dead ends: 12757 [2021-11-21 02:01:37,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=569, Invalid=1411, Unknown=0, NotChecked=0, Total=1980 [2021-11-21 02:01:37,320 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 961 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 4303 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 4388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:37,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [961 Valid, 734 Invalid, 4388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4303 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-21 02:01:37,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12757 states. [2021-11-21 02:01:37,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12757 to 5152. [2021-11-21 02:01:37,425 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) [2021-11-21 02:01:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 10241 transitions. [2021-11-21 02:01:37,434 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 10241 transitions. Word has length 24 [2021-11-21 02:01:37,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:37,434 INFO L470 AbstractCegarLoop]: Abstraction has 5152 states and 10241 transitions. [2021-11-21 02:01:37,434 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) [2021-11-21 02:01:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 10241 transitions. [2021-11-21 02:01:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:37,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:37,435 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] [2021-11-21 02:01:37,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-11-21 02:01:37,435 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)] === [2021-11-21 02:01:37,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:37,436 INFO L85 PathProgramCache]: Analyzing trace with hash 590691141, now seen corresponding path program 2 times [2021-11-21 02:01:37,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:37,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985511397] [2021-11-21 02:01:37,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:37,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:37,659 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:37,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985511397] [2021-11-21 02:01:37,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985511397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:37,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:37,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:01:37,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320101987] [2021-11-21 02:01:37,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:37,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:01:37,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:37,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:01:37,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:01:37,661 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) [2021-11-21 02:01:41,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:41,842 INFO L93 Difference]: Finished difference Result 16348 states and 32393 transitions. [2021-11-21 02:01:41,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-21 02:01:41,842 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 [2021-11-21 02:01:41,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:41,867 INFO L225 Difference]: With dead ends: 16348 [2021-11-21 02:01:41,867 INFO L226 Difference]: Without dead ends: 16348 [2021-11-21 02:01:41,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=429, Invalid=1053, Unknown=0, NotChecked=0, Total=1482 [2021-11-21 02:01:41,868 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 1220 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 3847 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 4003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 3847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:41,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1220 Valid, 906 Invalid, 4003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 3847 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 02:01:41,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2021-11-21 02:01:42,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 5136. [2021-11-21 02:01:42,015 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) [2021-11-21 02:01:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5136 states to 5136 states and 10209 transitions. [2021-11-21 02:01:42,023 INFO L78 Accepts]: Start accepts. Automaton has 5136 states and 10209 transitions. Word has length 24 [2021-11-21 02:01:42,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:42,023 INFO L470 AbstractCegarLoop]: Abstraction has 5136 states and 10209 transitions. [2021-11-21 02:01:42,023 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) [2021-11-21 02:01:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 5136 states and 10209 transitions. [2021-11-21 02:01:42,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:42,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:42,024 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] [2021-11-21 02:01:42,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-11-21 02:01:42,024 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)] === [2021-11-21 02:01:42,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:42,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1927529735, now seen corresponding path program 30 times [2021-11-21 02:01:42,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:42,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793425434] [2021-11-21 02:01:42,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:42,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:42,165 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:42,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793425434] [2021-11-21 02:01:42,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793425434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:42,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:42,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:01:42,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584292316] [2021-11-21 02:01:42,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:42,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:01:42,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:42,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:01:42,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:01:42,166 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) [2021-11-21 02:01:46,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:46,567 INFO L93 Difference]: Finished difference Result 16269 states and 32243 transitions. [2021-11-21 02:01:46,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-21 02:01:46,567 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 [2021-11-21 02:01:46,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:46,589 INFO L225 Difference]: With dead ends: 16269 [2021-11-21 02:01:46,589 INFO L226 Difference]: Without dead ends: 16269 [2021-11-21 02:01:46,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=685, Invalid=1865, Unknown=0, NotChecked=0, Total=2550 [2021-11-21 02:01:46,590 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 1211 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 3726 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 3837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:46,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1211 Valid, 910 Invalid, 3837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3726 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 02:01:46,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16269 states. [2021-11-21 02:01:46,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16269 to 5179. [2021-11-21 02:01:46,699 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) [2021-11-21 02:01:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5179 states to 5179 states and 10304 transitions. [2021-11-21 02:01:46,707 INFO L78 Accepts]: Start accepts. Automaton has 5179 states and 10304 transitions. Word has length 24 [2021-11-21 02:01:46,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:46,707 INFO L470 AbstractCegarLoop]: Abstraction has 5179 states and 10304 transitions. [2021-11-21 02:01:46,707 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) [2021-11-21 02:01:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand 5179 states and 10304 transitions. [2021-11-21 02:01:46,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:46,708 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:46,708 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] [2021-11-21 02:01:46,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-11-21 02:01:46,708 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)] === [2021-11-21 02:01:46,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:46,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1575035977, now seen corresponding path program 3 times [2021-11-21 02:01:46,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:46,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339828224] [2021-11-21 02:01:46,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:46,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:46,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:46,848 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:46,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339828224] [2021-11-21 02:01:46,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339828224] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:46,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:46,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:01:46,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586321197] [2021-11-21 02:01:46,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:46,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:01:46,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:46,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:01:46,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:01:46,849 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) [2021-11-21 02:01:50,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:50,105 INFO L93 Difference]: Finished difference Result 12626 states and 25018 transitions. [2021-11-21 02:01:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-21 02:01:50,106 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 [2021-11-21 02:01:50,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:50,125 INFO L225 Difference]: With dead ends: 12626 [2021-11-21 02:01:50,125 INFO L226 Difference]: Without dead ends: 12626 [2021-11-21 02:01:50,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=324, Invalid=798, Unknown=0, NotChecked=0, Total=1122 [2021-11-21 02:01:50,125 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 1115 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 2920 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 3080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 2920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:50,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1115 Valid, 851 Invalid, 3080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 2920 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 02:01:50,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12626 states. [2021-11-21 02:01:50,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12626 to 5201. [2021-11-21 02:01:50,222 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) [2021-11-21 02:01:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 5201 states and 10348 transitions. [2021-11-21 02:01:50,231 INFO L78 Accepts]: Start accepts. Automaton has 5201 states and 10348 transitions. Word has length 24 [2021-11-21 02:01:50,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:50,231 INFO L470 AbstractCegarLoop]: Abstraction has 5201 states and 10348 transitions. [2021-11-21 02:01:50,231 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) [2021-11-21 02:01:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 5201 states and 10348 transitions. [2021-11-21 02:01:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:50,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:50,232 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] [2021-11-21 02:01:50,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-11-21 02:01:50,233 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)] === [2021-11-21 02:01:50,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:50,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1383092725, now seen corresponding path program 31 times [2021-11-21 02:01:50,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:50,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457623621] [2021-11-21 02:01:50,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:50,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:50,385 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:50,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457623621] [2021-11-21 02:01:50,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457623621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:50,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:50,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:01:50,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184748786] [2021-11-21 02:01:50,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:50,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:01:50,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:50,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:01:50,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:01:50,386 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) [2021-11-21 02:01:54,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:54,299 INFO L93 Difference]: Finished difference Result 12603 states and 24978 transitions. [2021-11-21 02:01:54,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-21 02:01:54,300 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 [2021-11-21 02:01:54,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:54,319 INFO L225 Difference]: With dead ends: 12603 [2021-11-21 02:01:54,319 INFO L226 Difference]: Without dead ends: 12603 [2021-11-21 02:01:54,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=560, Invalid=1510, Unknown=0, NotChecked=0, Total=2070 [2021-11-21 02:01:54,320 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1099 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 3303 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 3408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:54,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1099 Valid, 855 Invalid, 3408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3303 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-21 02:01:54,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12603 states. [2021-11-21 02:01:54,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12603 to 5195. [2021-11-21 02:01:54,421 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) [2021-11-21 02:01:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 5195 states and 10337 transitions. [2021-11-21 02:01:54,429 INFO L78 Accepts]: Start accepts. Automaton has 5195 states and 10337 transitions. Word has length 24 [2021-11-21 02:01:54,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:54,429 INFO L470 AbstractCegarLoop]: Abstraction has 5195 states and 10337 transitions. [2021-11-21 02:01:54,429 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) [2021-11-21 02:01:54,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5195 states and 10337 transitions. [2021-11-21 02:01:54,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:54,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:54,431 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] [2021-11-21 02:01:54,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-11-21 02:01:54,431 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)] === [2021-11-21 02:01:54,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:54,432 INFO L85 PathProgramCache]: Analyzing trace with hash -25697190, now seen corresponding path program 11 times [2021-11-21 02:01:54,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:54,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573425552] [2021-11-21 02:01:54,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:54,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:54,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:54,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573425552] [2021-11-21 02:01:54,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573425552] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:54,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:54,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:01:54,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907185546] [2021-11-21 02:01:54,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:54,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:01:54,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:54,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:01:54,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:01:54,665 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) [2021-11-21 02:01:58,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:01:58,416 INFO L93 Difference]: Finished difference Result 9825 states and 19511 transitions. [2021-11-21 02:01:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-21 02:01:58,416 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 [2021-11-21 02:01:58,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:01:58,429 INFO L225 Difference]: With dead ends: 9825 [2021-11-21 02:01:58,429 INFO L226 Difference]: Without dead ends: 9825 [2021-11-21 02:01:58,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2021-11-21 02:01:58,430 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 778 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 3201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 02:01:58,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [778 Valid, 534 Invalid, 3201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 02:01:58,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9825 states. [2021-11-21 02:01:58,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9825 to 5187. [2021-11-21 02:01:58,519 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) [2021-11-21 02:01:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 5187 states and 10321 transitions. [2021-11-21 02:01:58,527 INFO L78 Accepts]: Start accepts. Automaton has 5187 states and 10321 transitions. Word has length 24 [2021-11-21 02:01:58,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:01:58,528 INFO L470 AbstractCegarLoop]: Abstraction has 5187 states and 10321 transitions. [2021-11-21 02:01:58,528 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) [2021-11-21 02:01:58,528 INFO L276 IsEmpty]: Start isEmpty. Operand 5187 states and 10321 transitions. [2021-11-21 02:01:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:01:58,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:01:58,529 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] [2021-11-21 02:01:58,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-11-21 02:01:58,529 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)] === [2021-11-21 02:01:58,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:01:58,529 INFO L85 PathProgramCache]: Analyzing trace with hash 218795160, now seen corresponding path program 12 times [2021-11-21 02:01:58,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:01:58,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625639182] [2021-11-21 02:01:58,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:01:58,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:01:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:01:58,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:01:58,755 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:01:58,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625639182] [2021-11-21 02:01:58,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625639182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:01:58,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:01:58,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:01:58,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214244681] [2021-11-21 02:01:58,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:01:58,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:01:58,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:01:58,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:01:58,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:01:58,757 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) [2021-11-21 02:02:03,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:03,101 INFO L93 Difference]: Finished difference Result 9843 states and 19547 transitions. [2021-11-21 02:02:03,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-21 02:02:03,102 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 [2021-11-21 02:02:03,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:03,116 INFO L225 Difference]: With dead ends: 9843 [2021-11-21 02:02:03,116 INFO L226 Difference]: Without dead ends: 9843 [2021-11-21 02:02:03,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=317, Invalid=739, Unknown=0, NotChecked=0, Total=1056 [2021-11-21 02:02:03,116 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 779 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 3694 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 3780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:03,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [779 Valid, 538 Invalid, 3780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3694 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-21 02:02:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9843 states. [2021-11-21 02:02:03,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9843 to 5179. [2021-11-21 02:02:03,204 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) [2021-11-21 02:02:03,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5179 states to 5179 states and 10305 transitions. [2021-11-21 02:02:03,212 INFO L78 Accepts]: Start accepts. Automaton has 5179 states and 10305 transitions. Word has length 24 [2021-11-21 02:02:03,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:03,213 INFO L470 AbstractCegarLoop]: Abstraction has 5179 states and 10305 transitions. [2021-11-21 02:02:03,213 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) [2021-11-21 02:02:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 5179 states and 10305 transitions. [2021-11-21 02:02:03,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:03,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:03,213 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] [2021-11-21 02:02:03,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-11-21 02:02:03,214 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)] === [2021-11-21 02:02:03,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:03,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1508320128, now seen corresponding path program 13 times [2021-11-21 02:02:03,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:03,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760977961] [2021-11-21 02:02:03,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:03,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:03,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:03,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:03,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760977961] [2021-11-21 02:02:03,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760977961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:03,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:03,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:02:03,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916726500] [2021-11-21 02:02:03,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:03,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:02:03,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:03,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:02:03,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:02:03,621 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) [2021-11-21 02:02:08,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:08,326 INFO L93 Difference]: Finished difference Result 9861 states and 19583 transitions. [2021-11-21 02:02:08,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-21 02:02:08,327 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 [2021-11-21 02:02:08,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:08,341 INFO L225 Difference]: With dead ends: 9861 [2021-11-21 02:02:08,341 INFO L226 Difference]: Without dead ends: 9861 [2021-11-21 02:02:08,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=359, Invalid=831, Unknown=0, NotChecked=0, Total=1190 [2021-11-21 02:02:08,341 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 778 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 3651 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 3742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:08,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [778 Valid, 530 Invalid, 3742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3651 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-21 02:02:08,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9861 states. [2021-11-21 02:02:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9861 to 5171. [2021-11-21 02:02:08,448 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) [2021-11-21 02:02:08,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5171 states to 5171 states and 10289 transitions. [2021-11-21 02:02:08,455 INFO L78 Accepts]: Start accepts. Automaton has 5171 states and 10289 transitions. Word has length 24 [2021-11-21 02:02:08,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:08,456 INFO L470 AbstractCegarLoop]: Abstraction has 5171 states and 10289 transitions. [2021-11-21 02:02:08,456 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) [2021-11-21 02:02:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand 5171 states and 10289 transitions. [2021-11-21 02:02:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:08,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:08,456 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] [2021-11-21 02:02:08,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-11-21 02:02:08,457 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)] === [2021-11-21 02:02:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1098608176, now seen corresponding path program 14 times [2021-11-21 02:02:08,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:08,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790725943] [2021-11-21 02:02:08,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:08,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:08,635 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:08,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790725943] [2021-11-21 02:02:08,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790725943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:08,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:08,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:02:08,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275042552] [2021-11-21 02:02:08,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:08,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:02:08,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:08,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:02:08,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:02:08,637 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) [2021-11-21 02:02:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:12,643 INFO L93 Difference]: Finished difference Result 9845 states and 19551 transitions. [2021-11-21 02:02:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-21 02:02:12,644 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 [2021-11-21 02:02:12,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:12,691 INFO L225 Difference]: With dead ends: 9845 [2021-11-21 02:02:12,691 INFO L226 Difference]: Without dead ends: 9845 [2021-11-21 02:02:12,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=401, Invalid=931, Unknown=0, NotChecked=0, Total=1332 [2021-11-21 02:02:12,691 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 777 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 3571 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 3672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:12,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [777 Valid, 530 Invalid, 3672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3571 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 02:02:12,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9845 states. [2021-11-21 02:02:12,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9845 to 5129. [2021-11-21 02:02:12,766 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) [2021-11-21 02:02:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5129 states to 5129 states and 10205 transitions. [2021-11-21 02:02:12,774 INFO L78 Accepts]: Start accepts. Automaton has 5129 states and 10205 transitions. Word has length 24 [2021-11-21 02:02:12,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:12,774 INFO L470 AbstractCegarLoop]: Abstraction has 5129 states and 10205 transitions. [2021-11-21 02:02:12,774 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) [2021-11-21 02:02:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 5129 states and 10205 transitions. [2021-11-21 02:02:12,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:12,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:12,775 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] [2021-11-21 02:02:12,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-11-21 02:02:12,775 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)] === [2021-11-21 02:02:12,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:12,776 INFO L85 PathProgramCache]: Analyzing trace with hash -2050035997, now seen corresponding path program 32 times [2021-11-21 02:02:12,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:12,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501069085] [2021-11-21 02:02:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:12,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:13,494 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:13,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501069085] [2021-11-21 02:02:13,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501069085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:13,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:13,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:02:13,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072819962] [2021-11-21 02:02:13,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:13,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:02:13,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:13,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:02:13,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:02:13,496 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) [2021-11-21 02:02:18,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:18,278 INFO L93 Difference]: Finished difference Result 9797 states and 19463 transitions. [2021-11-21 02:02:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-21 02:02:18,278 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 [2021-11-21 02:02:18,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:18,290 INFO L225 Difference]: With dead ends: 9797 [2021-11-21 02:02:18,290 INFO L226 Difference]: Without dead ends: 9797 [2021-11-21 02:02:18,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=331, Invalid=859, Unknown=0, NotChecked=0, Total=1190 [2021-11-21 02:02:18,290 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 768 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 3952 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 3952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:18,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [768 Valid, 677 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 3952 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-21 02:02:18,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9797 states. [2021-11-21 02:02:18,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9797 to 5118. [2021-11-21 02:02:18,369 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) [2021-11-21 02:02:18,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 10183 transitions. [2021-11-21 02:02:18,377 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 10183 transitions. Word has length 24 [2021-11-21 02:02:18,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:18,377 INFO L470 AbstractCegarLoop]: Abstraction has 5118 states and 10183 transitions. [2021-11-21 02:02:18,377 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) [2021-11-21 02:02:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 10183 transitions. [2021-11-21 02:02:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:18,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:18,378 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] [2021-11-21 02:02:18,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-11-21 02:02:18,378 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)] === [2021-11-21 02:02:18,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:18,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1806912805, now seen corresponding path program 33 times [2021-11-21 02:02:18,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:18,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023860806] [2021-11-21 02:02:18,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:18,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:19,001 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:19,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023860806] [2021-11-21 02:02:19,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023860806] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:19,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:19,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:02:19,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293341227] [2021-11-21 02:02:19,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:19,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:02:19,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:19,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:02:19,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:02:19,002 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) [2021-11-21 02:02:24,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:24,395 INFO L93 Difference]: Finished difference Result 9802 states and 19473 transitions. [2021-11-21 02:02:24,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-21 02:02:24,395 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 [2021-11-21 02:02:24,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:24,407 INFO L225 Difference]: With dead ends: 9802 [2021-11-21 02:02:24,407 INFO L226 Difference]: Without dead ends: 9802 [2021-11-21 02:02:24,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=353, Invalid=907, Unknown=0, NotChecked=0, Total=1260 [2021-11-21 02:02:24,407 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 767 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 4725 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 4836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 4725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:24,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 695 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 4725 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-21 02:02:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9802 states. [2021-11-21 02:02:24,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9802 to 5119. [2021-11-21 02:02:24,484 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) [2021-11-21 02:02:24,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 10185 transitions. [2021-11-21 02:02:24,492 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 10185 transitions. Word has length 24 [2021-11-21 02:02:24,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:24,492 INFO L470 AbstractCegarLoop]: Abstraction has 5119 states and 10185 transitions. [2021-11-21 02:02:24,493 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) [2021-11-21 02:02:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 10185 transitions. [2021-11-21 02:02:24,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:24,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:24,495 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] [2021-11-21 02:02:24,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-11-21 02:02:24,495 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)] === [2021-11-21 02:02:24,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:24,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1802250715, now seen corresponding path program 34 times [2021-11-21 02:02:24,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:24,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931264906] [2021-11-21 02:02:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:24,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:25,138 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:25,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931264906] [2021-11-21 02:02:25,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931264906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:25,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:25,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:02:25,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109832632] [2021-11-21 02:02:25,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:25,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:02:25,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:25,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:02:25,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:02:25,139 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) [2021-11-21 02:02:29,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:29,260 INFO L93 Difference]: Finished difference Result 9810 states and 19489 transitions. [2021-11-21 02:02:29,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-21 02:02:29,260 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 [2021-11-21 02:02:29,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:29,272 INFO L225 Difference]: With dead ends: 9810 [2021-11-21 02:02:29,272 INFO L226 Difference]: Without dead ends: 9810 [2021-11-21 02:02:29,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=393, Invalid=939, Unknown=0, NotChecked=0, Total=1332 [2021-11-21 02:02:29,274 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 847 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 3485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:29,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 657 Invalid, 3485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 02:02:29,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9810 states. [2021-11-21 02:02:29,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9810 to 5107. [2021-11-21 02:02:29,359 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) [2021-11-21 02:02:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5107 states to 5107 states and 10161 transitions. [2021-11-21 02:02:29,368 INFO L78 Accepts]: Start accepts. Automaton has 5107 states and 10161 transitions. Word has length 24 [2021-11-21 02:02:29,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:29,368 INFO L470 AbstractCegarLoop]: Abstraction has 5107 states and 10161 transitions. [2021-11-21 02:02:29,368 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) [2021-11-21 02:02:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 5107 states and 10161 transitions. [2021-11-21 02:02:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:29,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:29,369 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] [2021-11-21 02:02:29,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-11-21 02:02:29,369 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)] === [2021-11-21 02:02:29,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:29,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1507642269, now seen corresponding path program 35 times [2021-11-21 02:02:29,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:29,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763123289] [2021-11-21 02:02:29,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:29,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:30,176 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:30,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763123289] [2021-11-21 02:02:30,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763123289] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:30,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:30,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:02:30,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626450819] [2021-11-21 02:02:30,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:30,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:02:30,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:30,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:02:30,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:02:30,178 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) [2021-11-21 02:02:35,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:35,868 INFO L93 Difference]: Finished difference Result 9808 states and 19485 transitions. [2021-11-21 02:02:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-21 02:02:35,869 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 [2021-11-21 02:02:35,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:35,881 INFO L225 Difference]: With dead ends: 9808 [2021-11-21 02:02:35,881 INFO L226 Difference]: Without dead ends: 9808 [2021-11-21 02:02:35,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=310, Invalid=812, Unknown=0, NotChecked=0, Total=1122 [2021-11-21 02:02:35,881 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 737 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 4969 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 5094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 4969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:35,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 706 Invalid, 5094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 4969 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-21 02:02:35,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9808 states. [2021-11-21 02:02:35,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9808 to 5109. [2021-11-21 02:02:35,995 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) [2021-11-21 02:02:36,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 10165 transitions. [2021-11-21 02:02:36,003 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 10165 transitions. Word has length 24 [2021-11-21 02:02:36,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:36,004 INFO L470 AbstractCegarLoop]: Abstraction has 5109 states and 10165 transitions. [2021-11-21 02:02:36,004 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) [2021-11-21 02:02:36,004 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 10165 transitions. [2021-11-21 02:02:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:36,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:36,005 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] [2021-11-21 02:02:36,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-11-21 02:02:36,005 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)] === [2021-11-21 02:02:36,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:36,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1502980179, now seen corresponding path program 36 times [2021-11-21 02:02:36,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:36,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423906664] [2021-11-21 02:02:36,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:36,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:36,524 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:36,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423906664] [2021-11-21 02:02:36,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423906664] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:36,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:36,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:02:36,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923541119] [2021-11-21 02:02:36,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:36,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:02:36,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:36,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:02:36,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:02:36,525 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) [2021-11-21 02:02:41,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:41,309 INFO L93 Difference]: Finished difference Result 9817 states and 19503 transitions. [2021-11-21 02:02:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-21 02:02:41,309 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 [2021-11-21 02:02:41,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:41,327 INFO L225 Difference]: With dead ends: 9817 [2021-11-21 02:02:41,328 INFO L226 Difference]: Without dead ends: 9817 [2021-11-21 02:02:41,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=411, Invalid=995, Unknown=0, NotChecked=0, Total=1406 [2021-11-21 02:02:41,328 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 873 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 3804 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 3963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 3804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:41,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [873 Valid, 669 Invalid, 3963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 3804 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-21 02:02:41,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9817 states. [2021-11-21 02:02:41,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9817 to 5108. [2021-11-21 02:02:41,413 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) [2021-11-21 02:02:41,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 10163 transitions. [2021-11-21 02:02:41,421 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 10163 transitions. Word has length 24 [2021-11-21 02:02:41,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:41,421 INFO L470 AbstractCegarLoop]: Abstraction has 5108 states and 10163 transitions. [2021-11-21 02:02:41,421 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) [2021-11-21 02:02:41,421 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 10163 transitions. [2021-11-21 02:02:41,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:41,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:41,422 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] [2021-11-21 02:02:41,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-11-21 02:02:41,422 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)] === [2021-11-21 02:02:41,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:41,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1357532829, now seen corresponding path program 37 times [2021-11-21 02:02:41,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:41,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804563195] [2021-11-21 02:02:41,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:41,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:41,959 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:41,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804563195] [2021-11-21 02:02:41,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804563195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:41,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:41,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:02:41,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574957023] [2021-11-21 02:02:41,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:41,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:02:41,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:41,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:02:41,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:02:41,960 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) [2021-11-21 02:02:46,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:46,526 INFO L93 Difference]: Finished difference Result 9823 states and 19515 transitions. [2021-11-21 02:02:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-21 02:02:46,526 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 [2021-11-21 02:02:46,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:46,539 INFO L225 Difference]: With dead ends: 9823 [2021-11-21 02:02:46,539 INFO L226 Difference]: Without dead ends: 9823 [2021-11-21 02:02:46,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=452, Invalid=1030, Unknown=0, NotChecked=0, Total=1482 [2021-11-21 02:02:46,540 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 882 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 3548 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 3706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 3548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:46,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 659 Invalid, 3706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 3548 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-21 02:02:46,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9823 states. [2021-11-21 02:02:46,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9823 to 5096. [2021-11-21 02:02:46,620 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) [2021-11-21 02:02:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5096 states to 5096 states and 10139 transitions. [2021-11-21 02:02:46,628 INFO L78 Accepts]: Start accepts. Automaton has 5096 states and 10139 transitions. Word has length 24 [2021-11-21 02:02:46,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:46,628 INFO L470 AbstractCegarLoop]: Abstraction has 5096 states and 10139 transitions. [2021-11-21 02:02:46,628 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) [2021-11-21 02:02:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand 5096 states and 10139 transitions. [2021-11-21 02:02:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:46,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:46,629 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] [2021-11-21 02:02:46,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-11-21 02:02:46,629 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)] === [2021-11-21 02:02:46,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:46,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1845891749, now seen corresponding path program 38 times [2021-11-21 02:02:46,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:46,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264711745] [2021-11-21 02:02:46,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:46,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:47,185 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:47,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264711745] [2021-11-21 02:02:47,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264711745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:47,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:47,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:02:47,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138240745] [2021-11-21 02:02:47,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:47,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:02:47,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:47,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:02:47,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:02:47,187 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) [2021-11-21 02:02:51,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:51,082 INFO L93 Difference]: Finished difference Result 9804 states and 19477 transitions. [2021-11-21 02:02:51,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-21 02:02:51,082 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 [2021-11-21 02:02:51,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:51,095 INFO L225 Difference]: With dead ends: 9804 [2021-11-21 02:02:51,095 INFO L226 Difference]: Without dead ends: 9804 [2021-11-21 02:02:51,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2021-11-21 02:02:51,096 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 738 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 3463 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 3560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:51,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [738 Valid, 660 Invalid, 3560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3463 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-21 02:02:51,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9804 states. [2021-11-21 02:02:51,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9804 to 5095. [2021-11-21 02:02:51,180 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) [2021-11-21 02:02:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 10137 transitions. [2021-11-21 02:02:51,188 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 10137 transitions. Word has length 24 [2021-11-21 02:02:51,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:51,188 INFO L470 AbstractCegarLoop]: Abstraction has 5095 states and 10137 transitions. [2021-11-21 02:02:51,188 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) [2021-11-21 02:02:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 10137 transitions. [2021-11-21 02:02:51,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:51,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:51,189 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] [2021-11-21 02:02:51,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-11-21 02:02:51,189 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)] === [2021-11-21 02:02:51,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:51,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1841229659, now seen corresponding path program 39 times [2021-11-21 02:02:51,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:51,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212812912] [2021-11-21 02:02:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:51,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:51,789 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:51,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212812912] [2021-11-21 02:02:51,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212812912] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:51,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:51,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:02:51,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399829556] [2021-11-21 02:02:51,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:51,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:02:51,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:51,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:02:51,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:02:51,791 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) [2021-11-21 02:02:54,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:54,341 INFO L93 Difference]: Finished difference Result 8217 states and 16327 transitions. [2021-11-21 02:02:54,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-21 02:02:54,342 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 [2021-11-21 02:02:54,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:54,354 INFO L225 Difference]: With dead ends: 8217 [2021-11-21 02:02:54,354 INFO L226 Difference]: Without dead ends: 8217 [2021-11-21 02:02:54,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2021-11-21 02:02:54,354 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 475 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 2204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:54,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [475 Valid, 478 Invalid, 2204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 02:02:54,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8217 states. [2021-11-21 02:02:54,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8217 to 5094. [2021-11-21 02:02:54,434 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) [2021-11-21 02:02:54,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5094 states to 5094 states and 10135 transitions. [2021-11-21 02:02:54,442 INFO L78 Accepts]: Start accepts. Automaton has 5094 states and 10135 transitions. Word has length 24 [2021-11-21 02:02:54,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:54,442 INFO L470 AbstractCegarLoop]: Abstraction has 5094 states and 10135 transitions. [2021-11-21 02:02:54,442 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) [2021-11-21 02:02:54,442 INFO L276 IsEmpty]: Start isEmpty. Operand 5094 states and 10135 transitions. [2021-11-21 02:02:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:54,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:54,443 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] [2021-11-21 02:02:54,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-11-21 02:02:54,443 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)] === [2021-11-21 02:02:54,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:54,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1695782309, now seen corresponding path program 40 times [2021-11-21 02:02:54,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:54,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550573995] [2021-11-21 02:02:54,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:54,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:54,892 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:54,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550573995] [2021-11-21 02:02:54,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550573995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:54,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:54,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:02:54,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8491570] [2021-11-21 02:02:54,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:54,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:02:54,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:54,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:02:54,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:02:54,893 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) [2021-11-21 02:02:59,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:59,356 INFO L93 Difference]: Finished difference Result 9824 states and 19517 transitions. [2021-11-21 02:02:59,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-21 02:02:59,356 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 [2021-11-21 02:02:59,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:59,371 INFO L225 Difference]: With dead ends: 9824 [2021-11-21 02:02:59,371 INFO L226 Difference]: Without dead ends: 9824 [2021-11-21 02:02:59,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=466, Invalid=1094, Unknown=0, NotChecked=0, Total=1560 [2021-11-21 02:02:59,371 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 825 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 3821 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 3959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:59,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [825 Valid, 669 Invalid, 3959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 3821 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 02:02:59,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9824 states. [2021-11-21 02:02:59,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9824 to 5093. [2021-11-21 02:02:59,495 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) [2021-11-21 02:02:59,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5093 states to 5093 states and 10133 transitions. [2021-11-21 02:02:59,503 INFO L78 Accepts]: Start accepts. Automaton has 5093 states and 10133 transitions. Word has length 24 [2021-11-21 02:02:59,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:59,503 INFO L470 AbstractCegarLoop]: Abstraction has 5093 states and 10133 transitions. [2021-11-21 02:02:59,503 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) [2021-11-21 02:02:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 5093 states and 10133 transitions. [2021-11-21 02:02:59,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:02:59,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:59,504 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] [2021-11-21 02:02:59,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-11-21 02:02:59,504 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)] === [2021-11-21 02:02:59,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:59,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1453282395, now seen corresponding path program 41 times [2021-11-21 02:02:59,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:59,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391306305] [2021-11-21 02:02:59,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:59,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:02:59,985 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:59,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391306305] [2021-11-21 02:02:59,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391306305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:59,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:59,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:02:59,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202935946] [2021-11-21 02:02:59,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:59,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:02:59,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:59,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:02:59,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:02:59,986 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) [2021-11-21 02:03:04,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:04,515 INFO L93 Difference]: Finished difference Result 8364 states and 16617 transitions. [2021-11-21 02:03:04,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-21 02:03:04,515 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 [2021-11-21 02:03:04,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:04,526 INFO L225 Difference]: With dead ends: 8364 [2021-11-21 02:03:04,526 INFO L226 Difference]: Without dead ends: 8364 [2021-11-21 02:03:04,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=462, Invalid=1098, Unknown=0, NotChecked=0, Total=1560 [2021-11-21 02:03:04,526 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 531 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 3947 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 4110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 3947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:04,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [531 Valid, 519 Invalid, 4110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 3947 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 02:03:04,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8364 states. [2021-11-21 02:03:04,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8364 to 5043. [2021-11-21 02:03:04,603 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) [2021-11-21 02:03:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 10029 transitions. [2021-11-21 02:03:04,612 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 10029 transitions. Word has length 24 [2021-11-21 02:03:04,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:04,612 INFO L470 AbstractCegarLoop]: Abstraction has 5043 states and 10029 transitions. [2021-11-21 02:03:04,612 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) [2021-11-21 02:03:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 10029 transitions. [2021-11-21 02:03:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:04,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:04,613 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] [2021-11-21 02:03:04,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-11-21 02:03:04,613 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)] === [2021-11-21 02:03:04,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:04,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1711672989, now seen corresponding path program 42 times [2021-11-21 02:03:04,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:04,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799016690] [2021-11-21 02:03:04,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:04,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:05,003 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:05,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799016690] [2021-11-21 02:03:05,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799016690] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:05,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:05,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:03:05,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522683541] [2021-11-21 02:03:05,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:05,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:03:05,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:05,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:03:05,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:03:05,005 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) [2021-11-21 02:03:08,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:08,343 INFO L93 Difference]: Finished difference Result 8600 states and 17079 transitions. [2021-11-21 02:03:08,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-21 02:03:08,344 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 [2021-11-21 02:03:08,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:08,354 INFO L225 Difference]: With dead ends: 8600 [2021-11-21 02:03:08,355 INFO L226 Difference]: Without dead ends: 8600 [2021-11-21 02:03:08,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=367, Invalid=1039, Unknown=0, NotChecked=0, Total=1406 [2021-11-21 02:03:08,355 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 995 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 2264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:08,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [995 Valid, 858 Invalid, 2264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 02:03:08,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8600 states. [2021-11-21 02:03:08,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8600 to 5048. [2021-11-21 02:03:08,433 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) [2021-11-21 02:03:08,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5048 states to 5048 states and 10039 transitions. [2021-11-21 02:03:08,441 INFO L78 Accepts]: Start accepts. Automaton has 5048 states and 10039 transitions. Word has length 24 [2021-11-21 02:03:08,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:08,442 INFO L470 AbstractCegarLoop]: Abstraction has 5048 states and 10039 transitions. [2021-11-21 02:03:08,442 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) [2021-11-21 02:03:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 5048 states and 10039 transitions. [2021-11-21 02:03:08,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:08,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:08,442 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] [2021-11-21 02:03:08,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-11-21 02:03:08,443 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)] === [2021-11-21 02:03:08,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:08,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1707010899, now seen corresponding path program 43 times [2021-11-21 02:03:08,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:08,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526701223] [2021-11-21 02:03:08,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:08,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:08,835 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:08,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526701223] [2021-11-21 02:03:08,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526701223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:08,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:08,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:03:08,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091847814] [2021-11-21 02:03:08,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:08,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:03:08,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:08,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:03:08,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:03:08,836 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) [2021-11-21 02:03:13,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:13,730 INFO L93 Difference]: Finished difference Result 8624 states and 17127 transitions. [2021-11-21 02:03:13,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-21 02:03:13,730 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 [2021-11-21 02:03:13,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:13,742 INFO L225 Difference]: With dead ends: 8624 [2021-11-21 02:03:13,742 INFO L226 Difference]: Without dead ends: 8624 [2021-11-21 02:03:13,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=401, Invalid=1081, Unknown=0, NotChecked=0, Total=1482 [2021-11-21 02:03:13,743 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 971 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 3341 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 3442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:13,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [971 Valid, 902 Invalid, 3442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3341 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-21 02:03:13,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2021-11-21 02:03:13,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 5056. [2021-11-21 02:03:13,822 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) [2021-11-21 02:03:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5056 states to 5056 states and 10055 transitions. [2021-11-21 02:03:13,830 INFO L78 Accepts]: Start accepts. Automaton has 5056 states and 10055 transitions. Word has length 24 [2021-11-21 02:03:13,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:13,830 INFO L470 AbstractCegarLoop]: Abstraction has 5056 states and 10055 transitions. [2021-11-21 02:03:13,831 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) [2021-11-21 02:03:13,831 INFO L276 IsEmpty]: Start isEmpty. Operand 5056 states and 10055 transitions. [2021-11-21 02:03:13,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:13,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:13,831 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] [2021-11-21 02:03:13,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-11-21 02:03:13,832 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)] === [2021-11-21 02:03:13,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:13,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1561563549, now seen corresponding path program 44 times [2021-11-21 02:03:13,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:13,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655834201] [2021-11-21 02:03:13,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:13,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:14,104 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:14,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655834201] [2021-11-21 02:03:14,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655834201] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:14,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:14,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:03:14,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588351024] [2021-11-21 02:03:14,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:14,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:03:14,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:14,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:03:14,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:03:14,105 INFO L87 Difference]: Start difference. First operand 5056 states and 10055 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) [2021-11-21 02:03:17,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:17,980 INFO L93 Difference]: Finished difference Result 8648 states and 17175 transitions. [2021-11-21 02:03:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-21 02:03:17,981 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 [2021-11-21 02:03:17,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:17,994 INFO L225 Difference]: With dead ends: 8648 [2021-11-21 02:03:17,994 INFO L226 Difference]: Without dead ends: 8648 [2021-11-21 02:03:17,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=419, Invalid=1063, Unknown=0, NotChecked=0, Total=1482 [2021-11-21 02:03:17,994 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 940 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 2454 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:17,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [940 Valid, 868 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2454 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 02:03:18,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8648 states. [2021-11-21 02:03:18,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8648 to 5064. [2021-11-21 02:03:18,076 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) [2021-11-21 02:03:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 10071 transitions. [2021-11-21 02:03:18,084 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 10071 transitions. Word has length 24 [2021-11-21 02:03:18,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:18,084 INFO L470 AbstractCegarLoop]: Abstraction has 5064 states and 10071 transitions. [2021-11-21 02:03:18,084 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) [2021-11-21 02:03:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 10071 transitions. [2021-11-21 02:03:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:18,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:18,085 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] [2021-11-21 02:03:18,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-11-21 02:03:18,085 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)] === [2021-11-21 02:03:18,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:18,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1319063635, now seen corresponding path program 45 times [2021-11-21 02:03:18,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:18,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041276133] [2021-11-21 02:03:18,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:18,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:18,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:18,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041276133] [2021-11-21 02:03:18,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041276133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:18,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:18,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:03:18,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332854623] [2021-11-21 02:03:18,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:18,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:03:18,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:18,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:03:18,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:03:18,309 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) [2021-11-21 02:03:22,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:22,789 INFO L93 Difference]: Finished difference Result 8852 states and 17583 transitions. [2021-11-21 02:03:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-21 02:03:22,790 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 [2021-11-21 02:03:22,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:22,803 INFO L225 Difference]: With dead ends: 8852 [2021-11-21 02:03:22,803 INFO L226 Difference]: Without dead ends: 8852 [2021-11-21 02:03:22,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=361, Invalid=899, Unknown=0, NotChecked=0, Total=1260 [2021-11-21 02:03:22,803 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 683 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 3737 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 3804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:22,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [683 Valid, 704 Invalid, 3804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 3737 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 02:03:22,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8852 states. [2021-11-21 02:03:22,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8852 to 5072. [2021-11-21 02:03:22,885 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) [2021-11-21 02:03:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 10087 transitions. [2021-11-21 02:03:22,893 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 10087 transitions. Word has length 24 [2021-11-21 02:03:22,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:22,894 INFO L470 AbstractCegarLoop]: Abstraction has 5072 states and 10087 transitions. [2021-11-21 02:03:22,894 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) [2021-11-21 02:03:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 10087 transitions. [2021-11-21 02:03:22,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:22,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:22,894 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] [2021-11-21 02:03:22,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-11-21 02:03:22,895 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)] === [2021-11-21 02:03:22,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:22,895 INFO L85 PathProgramCache]: Analyzing trace with hash -941721045, now seen corresponding path program 4 times [2021-11-21 02:03:22,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:22,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570885622] [2021-11-21 02:03:22,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:22,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:23,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:23,155 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:23,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570885622] [2021-11-21 02:03:23,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570885622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:23,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:23,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:03:23,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070616506] [2021-11-21 02:03:23,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:23,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:03:23,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:23,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:03:23,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:03:23,156 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) [2021-11-21 02:03:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:28,318 INFO L93 Difference]: Finished difference Result 12416 states and 24648 transitions. [2021-11-21 02:03:28,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-21 02:03:28,319 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 [2021-11-21 02:03:28,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:28,335 INFO L225 Difference]: With dead ends: 12416 [2021-11-21 02:03:28,336 INFO L226 Difference]: Without dead ends: 12416 [2021-11-21 02:03:28,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=466, Invalid=1094, Unknown=0, NotChecked=0, Total=1560 [2021-11-21 02:03:28,336 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 1445 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 4211 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 4341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 4211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:28,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1445 Valid, 1116 Invalid, 4341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 4211 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-21 02:03:28,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12416 states. [2021-11-21 02:03:28,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12416 to 5071. [2021-11-21 02:03:28,445 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) [2021-11-21 02:03:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 10089 transitions. [2021-11-21 02:03:28,452 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 10089 transitions. Word has length 24 [2021-11-21 02:03:28,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:28,452 INFO L470 AbstractCegarLoop]: Abstraction has 5071 states and 10089 transitions. [2021-11-21 02:03:28,452 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) [2021-11-21 02:03:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 10089 transitions. [2021-11-21 02:03:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:28,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:28,453 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] [2021-11-21 02:03:28,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-11-21 02:03:28,453 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)] === [2021-11-21 02:03:28,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:28,454 INFO L85 PathProgramCache]: Analyzing trace with hash 395117549, now seen corresponding path program 46 times [2021-11-21 02:03:28,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:28,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058058973] [2021-11-21 02:03:28,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:28,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:28,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:28,671 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:28,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058058973] [2021-11-21 02:03:28,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058058973] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:28,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:28,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:03:28,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946221152] [2021-11-21 02:03:28,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:28,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:03:28,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:28,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:03:28,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:03:28,672 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) [2021-11-21 02:03:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:34,783 INFO L93 Difference]: Finished difference Result 12364 states and 24550 transitions. [2021-11-21 02:03:34,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-21 02:03:34,784 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 [2021-11-21 02:03:34,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:34,802 INFO L225 Difference]: With dead ends: 12364 [2021-11-21 02:03:34,802 INFO L226 Difference]: Without dead ends: 12364 [2021-11-21 02:03:34,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=446, Invalid=1276, Unknown=0, NotChecked=0, Total=1722 [2021-11-21 02:03:34,803 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 983 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 5030 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 5111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 5030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:34,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [983 Valid, 916 Invalid, 5111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 5030 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-21 02:03:34,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12364 states. [2021-11-21 02:03:34,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12364 to 5033. [2021-11-21 02:03:34,900 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) [2021-11-21 02:03:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5033 states to 5033 states and 10009 transitions. [2021-11-21 02:03:34,908 INFO L78 Accepts]: Start accepts. Automaton has 5033 states and 10009 transitions. Word has length 24 [2021-11-21 02:03:34,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:34,908 INFO L470 AbstractCegarLoop]: Abstraction has 5033 states and 10009 transitions. [2021-11-21 02:03:34,908 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) [2021-11-21 02:03:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 5033 states and 10009 transitions. [2021-11-21 02:03:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:34,909 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:34,909 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] [2021-11-21 02:03:34,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-11-21 02:03:34,909 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)] === [2021-11-21 02:03:34,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:34,910 INFO L85 PathProgramCache]: Analyzing trace with hash 42623791, now seen corresponding path program 5 times [2021-11-21 02:03:34,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:34,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636804449] [2021-11-21 02:03:34,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:34,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:35,094 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:35,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636804449] [2021-11-21 02:03:35,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636804449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:35,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:35,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:03:35,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995923152] [2021-11-21 02:03:35,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:35,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:03:35,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:35,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:03:35,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:03:35,096 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) [2021-11-21 02:03:40,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:40,723 INFO L93 Difference]: Finished difference Result 16093 states and 31947 transitions. [2021-11-21 02:03:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-21 02:03:40,724 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 [2021-11-21 02:03:40,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:40,750 INFO L225 Difference]: With dead ends: 16093 [2021-11-21 02:03:40,750 INFO L226 Difference]: Without dead ends: 16093 [2021-11-21 02:03:40,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=338, Invalid=784, Unknown=0, NotChecked=0, Total=1122 [2021-11-21 02:03:40,750 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 939 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 4816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:40,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [939 Valid, 1076 Invalid, 4816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 4699 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-21 02:03:40,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16093 states. [2021-11-21 02:03:40,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16093 to 5075. [2021-11-21 02:03:40,916 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) [2021-11-21 02:03:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 10097 transitions. [2021-11-21 02:03:40,924 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 10097 transitions. Word has length 24 [2021-11-21 02:03:40,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:40,924 INFO L470 AbstractCegarLoop]: Abstraction has 5075 states and 10097 transitions. [2021-11-21 02:03:40,924 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) [2021-11-21 02:03:40,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 10097 transitions. [2021-11-21 02:03:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:40,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:40,926 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] [2021-11-21 02:03:40,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-11-21 02:03:40,926 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)] === [2021-11-21 02:03:40,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:40,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1379462385, now seen corresponding path program 47 times [2021-11-21 02:03:40,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:40,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666476810] [2021-11-21 02:03:40,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:40,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:41,154 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:41,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666476810] [2021-11-21 02:03:41,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666476810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:41,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:41,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:03:41,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416833237] [2021-11-21 02:03:41,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:41,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:03:41,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:41,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:03:41,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:03:41,155 INFO L87 Difference]: Start difference. First operand 5075 states and 10097 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) [2021-11-21 02:03:49,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:49,647 INFO L93 Difference]: Finished difference Result 15988 states and 31741 transitions. [2021-11-21 02:03:49,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-21 02:03:49,648 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 [2021-11-21 02:03:49,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:49,673 INFO L225 Difference]: With dead ends: 15988 [2021-11-21 02:03:49,673 INFO L226 Difference]: Without dead ends: 15988 [2021-11-21 02:03:49,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1731 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1144, Invalid=3826, Unknown=0, NotChecked=0, Total=4970 [2021-11-21 02:03:49,674 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 1258 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 6717 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 6822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 6717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:49,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1258 Valid, 1193 Invalid, 6822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 6717 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-11-21 02:03:49,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15988 states. [2021-11-21 02:03:49,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15988 to 5032. [2021-11-21 02:03:49,831 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) [2021-11-21 02:03:49,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5032 states to 5032 states and 10007 transitions. [2021-11-21 02:03:49,839 INFO L78 Accepts]: Start accepts. Automaton has 5032 states and 10007 transitions. Word has length 24 [2021-11-21 02:03:49,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:49,840 INFO L470 AbstractCegarLoop]: Abstraction has 5032 states and 10007 transitions. [2021-11-21 02:03:49,840 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) [2021-11-21 02:03:49,840 INFO L276 IsEmpty]: Start isEmpty. Operand 5032 states and 10007 transitions. [2021-11-21 02:03:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:49,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:49,840 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] [2021-11-21 02:03:49,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-11-21 02:03:49,841 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)] === [2021-11-21 02:03:49,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:49,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1129202795, now seen corresponding path program 6 times [2021-11-21 02:03:49,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:49,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81927454] [2021-11-21 02:03:49,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:49,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:50,142 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:50,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81927454] [2021-11-21 02:03:50,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81927454] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:50,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:50,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:03:50,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632046687] [2021-11-21 02:03:50,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:50,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:03:50,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:50,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:03:50,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:03:50,144 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) [2021-11-21 02:03:53,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:53,086 INFO L93 Difference]: Finished difference Result 5401 states and 10743 transitions. [2021-11-21 02:03:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-21 02:03:53,087 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 [2021-11-21 02:03:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:53,094 INFO L225 Difference]: With dead ends: 5401 [2021-11-21 02:03:53,094 INFO L226 Difference]: Without dead ends: 5401 [2021-11-21 02:03:53,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=227, Invalid=423, Unknown=0, NotChecked=0, Total=650 [2021-11-21 02:03:53,094 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 479 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:53,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [479 Valid, 383 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 02:03:53,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5401 states. [2021-11-21 02:03:53,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5401 to 5064. [2021-11-21 02:03:53,165 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) [2021-11-21 02:03:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 10074 transitions. [2021-11-21 02:03:53,173 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 10074 transitions. Word has length 24 [2021-11-21 02:03:53,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:53,173 INFO L470 AbstractCegarLoop]: Abstraction has 5064 states and 10074 transitions. [2021-11-21 02:03:53,173 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) [2021-11-21 02:03:53,173 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 10074 transitions. [2021-11-21 02:03:53,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:53,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:53,174 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] [2021-11-21 02:03:53,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-11-21 02:03:53,174 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)] === [2021-11-21 02:03:53,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:53,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1808699939, now seen corresponding path program 7 times [2021-11-21 02:03:53,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:53,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741320100] [2021-11-21 02:03:53,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:53,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:53,404 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:53,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741320100] [2021-11-21 02:03:53,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741320100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:53,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:53,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:03:53,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479019075] [2021-11-21 02:03:53,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:53,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:03:53,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:53,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:03:53,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:03:53,405 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) [2021-11-21 02:03:56,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:56,908 INFO L93 Difference]: Finished difference Result 8701 states and 17281 transitions. [2021-11-21 02:03:56,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-21 02:03:56,908 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 [2021-11-21 02:03:56,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:56,921 INFO L225 Difference]: With dead ends: 8701 [2021-11-21 02:03:56,921 INFO L226 Difference]: Without dead ends: 8701 [2021-11-21 02:03:56,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=256, Invalid=556, Unknown=0, NotChecked=0, Total=812 [2021-11-21 02:03:56,921 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 775 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 2706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:56,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [775 Valid, 832 Invalid, 2706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 02:03:56,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8701 states. [2021-11-21 02:03:56,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8701 to 4876. [2021-11-21 02:03:57,001 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) [2021-11-21 02:03:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4876 states to 4876 states and 9695 transitions. [2021-11-21 02:03:57,009 INFO L78 Accepts]: Start accepts. Automaton has 4876 states and 9695 transitions. Word has length 24 [2021-11-21 02:03:57,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:57,009 INFO L470 AbstractCegarLoop]: Abstraction has 4876 states and 9695 transitions. [2021-11-21 02:03:57,009 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) [2021-11-21 02:03:57,010 INFO L276 IsEmpty]: Start isEmpty. Operand 4876 states and 9695 transitions. [2021-11-21 02:03:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 02:03:57,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:57,010 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] [2021-11-21 02:03:57,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-11-21 02:03:57,010 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)] === [2021-11-21 02:03:57,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:57,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1149428763, now seen corresponding path program 48 times [2021-11-21 02:03:57,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:57,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915606272] [2021-11-21 02:03:57,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:57,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:03:57,226 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:57,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915606272] [2021-11-21 02:03:57,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915606272] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:03:57,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:03:57,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:03:57,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081940911] [2021-11-21 02:03:57,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:03:57,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:03:57,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:03:57,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:03:57,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:03:57,227 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) [2021-11-21 02:04:01,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:01,231 INFO L93 Difference]: Finished difference Result 8624 states and 17128 transitions. [2021-11-21 02:04:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-21 02:04:01,232 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 [2021-11-21 02:04:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:01,244 INFO L225 Difference]: With dead ends: 8624 [2021-11-21 02:04:01,244 INFO L226 Difference]: Without dead ends: 8624 [2021-11-21 02:04:01,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=569, Invalid=1783, Unknown=0, NotChecked=0, Total=2352 [2021-11-21 02:04:01,245 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 1124 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 2847 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 2994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:01,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 876 Invalid, 2994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2847 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 02:04:01,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2021-11-21 02:04:01,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 4790. [2021-11-21 02:04:01,369 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) [2021-11-21 02:04:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 9518 transitions. [2021-11-21 02:04:01,377 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 9518 transitions. Word has length 24 [2021-11-21 02:04:01,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:01,377 INFO L470 AbstractCegarLoop]: Abstraction has 4790 states and 9518 transitions. [2021-11-21 02:04:01,377 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) [2021-11-21 02:04:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 9518 transitions. [2021-11-21 02:04:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 02:04:01,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:01,378 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] [2021-11-21 02:04:01,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-11-21 02:04:01,378 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)] === [2021-11-21 02:04:01,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:01,379 INFO L85 PathProgramCache]: Analyzing trace with hash -2029735272, now seen corresponding path program 1 times [2021-11-21 02:04:01,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:01,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728393222] [2021-11-21 02:04:01,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:01,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:01,455 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:01,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728393222] [2021-11-21 02:04:01,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728393222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:01,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:01,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 02:04:01,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022115179] [2021-11-21 02:04:01,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:01,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 02:04:01,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:01,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 02:04:01,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 02:04:01,456 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) [2021-11-21 02:04:02,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:02,236 INFO L93 Difference]: Finished difference Result 4992 states and 9916 transitions. [2021-11-21 02:04:02,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 02:04:02,237 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 [2021-11-21 02:04:02,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:02,243 INFO L225 Difference]: With dead ends: 4992 [2021-11-21 02:04:02,243 INFO L226 Difference]: Without dead ends: 4992 [2021-11-21 02:04:02,244 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 [2021-11-21 02:04:02,244 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 104 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:02,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 103 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-21 02:04:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4992 states. [2021-11-21 02:04:02,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4992 to 4992. [2021-11-21 02:04:02,304 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) [2021-11-21 02:04:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4992 states and 9916 transitions. [2021-11-21 02:04:02,312 INFO L78 Accepts]: Start accepts. Automaton has 4992 states and 9916 transitions. Word has length 27 [2021-11-21 02:04:02,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:02,313 INFO L470 AbstractCegarLoop]: Abstraction has 4992 states and 9916 transitions. [2021-11-21 02:04:02,313 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) [2021-11-21 02:04:02,313 INFO L276 IsEmpty]: Start isEmpty. Operand 4992 states and 9916 transitions. [2021-11-21 02:04:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 02:04:02,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:02,314 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] [2021-11-21 02:04:02,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-11-21 02:04:02,314 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)] === [2021-11-21 02:04:02,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:02,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1043111271, now seen corresponding path program 1 times [2021-11-21 02:04:02,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:02,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745874967] [2021-11-21 02:04:02,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:02,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:02,392 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:02,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745874967] [2021-11-21 02:04:02,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745874967] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:02,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:02,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 02:04:02,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866140526] [2021-11-21 02:04:02,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:02,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 02:04:02,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:02,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 02:04:02,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 02:04:02,393 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) [2021-11-21 02:04:03,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:03,907 INFO L93 Difference]: Finished difference Result 5333 states and 10597 transitions. [2021-11-21 02:04:03,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 02:04:03,908 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 [2021-11-21 02:04:03,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:03,914 INFO L225 Difference]: With dead ends: 5333 [2021-11-21 02:04:03,914 INFO L226 Difference]: Without dead ends: 5333 [2021-11-21 02:04:03,914 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 [2021-11-21 02:04:03,914 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 133 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:03,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 129 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 02:04:03,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2021-11-21 02:04:03,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 5254. [2021-11-21 02:04:03,972 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) [2021-11-21 02:04:03,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 10439 transitions. [2021-11-21 02:04:03,980 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 10439 transitions. Word has length 28 [2021-11-21 02:04:03,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:03,980 INFO L470 AbstractCegarLoop]: Abstraction has 5254 states and 10439 transitions. [2021-11-21 02:04:03,980 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) [2021-11-21 02:04:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 10439 transitions. [2021-11-21 02:04:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:03,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:03,981 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] [2021-11-21 02:04:03,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-11-21 02:04:03,981 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)] === [2021-11-21 02:04:03,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:03,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1006785891, now seen corresponding path program 1 times [2021-11-21 02:04:03,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:03,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212381986] [2021-11-21 02:04:03,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:03,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:04,130 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:04,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212381986] [2021-11-21 02:04:04,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212381986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:04,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:04,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 02:04:04,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988231319] [2021-11-21 02:04:04,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:04,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:04,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:04,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:04,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:04,133 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) [2021-11-21 02:04:06,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:06,557 INFO L93 Difference]: Finished difference Result 13969 states and 27658 transitions. [2021-11-21 02:04:06,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-21 02:04:06,558 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 [2021-11-21 02:04:06,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:06,581 INFO L225 Difference]: With dead ends: 13969 [2021-11-21 02:04:06,581 INFO L226 Difference]: Without dead ends: 13969 [2021-11-21 02:04:06,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-11-21 02:04:06,582 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 726 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:06,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 521 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1918 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 02:04:06,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13969 states. [2021-11-21 02:04:06,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13969 to 5540. [2021-11-21 02:04:06,697 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) [2021-11-21 02:04:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5540 states to 5540 states and 11015 transitions. [2021-11-21 02:04:06,707 INFO L78 Accepts]: Start accepts. Automaton has 5540 states and 11015 transitions. Word has length 30 [2021-11-21 02:04:06,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:06,707 INFO L470 AbstractCegarLoop]: Abstraction has 5540 states and 11015 transitions. [2021-11-21 02:04:06,707 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) [2021-11-21 02:04:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 5540 states and 11015 transitions. [2021-11-21 02:04:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:06,709 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:06,709 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, 1, 1, 1, 1, 1, 1] [2021-11-21 02:04:06,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-11-21 02:04:06,710 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)] === [2021-11-21 02:04:06,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:06,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1099402367, now seen corresponding path program 1 times [2021-11-21 02:04:06,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:06,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421959547] [2021-11-21 02:04:06,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:06,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:06,829 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:06,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421959547] [2021-11-21 02:04:06,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421959547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:06,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:06,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-21 02:04:06,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479876076] [2021-11-21 02:04:06,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:06,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:06,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:06,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:06,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:06,831 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) [2021-11-21 02:04:08,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:08,831 INFO L93 Difference]: Finished difference Result 13963 states and 27638 transitions. [2021-11-21 02:04:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-21 02:04:08,831 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 [2021-11-21 02:04:08,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:08,852 INFO L225 Difference]: With dead ends: 13963 [2021-11-21 02:04:08,852 INFO L226 Difference]: Without dead ends: 13963 [2021-11-21 02:04:08,853 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 [2021-11-21 02:04:08,853 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 800 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 1831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:08,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [800 Valid, 481 Invalid, 1831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 02:04:08,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13963 states. [2021-11-21 02:04:08,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13963 to 5564. [2021-11-21 02:04:08,962 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) [2021-11-21 02:04:08,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5564 states to 5564 states and 11063 transitions. [2021-11-21 02:04:08,971 INFO L78 Accepts]: Start accepts. Automaton has 5564 states and 11063 transitions. Word has length 30 [2021-11-21 02:04:08,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:08,971 INFO L470 AbstractCegarLoop]: Abstraction has 5564 states and 11063 transitions. [2021-11-21 02:04:08,972 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) [2021-11-21 02:04:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5564 states and 11063 transitions. [2021-11-21 02:04:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:08,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:08,973 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, 1, 1, 1, 1, 1, 1] [2021-11-21 02:04:08,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-11-21 02:04:08,973 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)] === [2021-11-21 02:04:08,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:08,973 INFO L85 PathProgramCache]: Analyzing trace with hash -784191585, now seen corresponding path program 2 times [2021-11-21 02:04:08,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:08,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154992694] [2021-11-21 02:04:08,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:08,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:09,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:09,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154992694] [2021-11-21 02:04:09,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154992694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:09,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:09,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:04:09,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804787597] [2021-11-21 02:04:09,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:09,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:04:09,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:09,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:04:09,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:04:09,225 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) [2021-11-21 02:04:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:12,572 INFO L93 Difference]: Finished difference Result 14015 states and 27791 transitions. [2021-11-21 02:04:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-21 02:04:12,573 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 [2021-11-21 02:04:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:12,593 INFO L225 Difference]: With dead ends: 14015 [2021-11-21 02:04:12,593 INFO L226 Difference]: Without dead ends: 14015 [2021-11-21 02:04:12,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=269, Invalid=661, Unknown=0, NotChecked=0, Total=930 [2021-11-21 02:04:12,594 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 859 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 2601 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 2775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 2601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:12,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [859 Valid, 408 Invalid, 2775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 2601 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-21 02:04:12,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14015 states. [2021-11-21 02:04:12,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14015 to 5605. [2021-11-21 02:04:12,703 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) [2021-11-21 02:04:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5605 states to 5605 states and 11145 transitions. [2021-11-21 02:04:12,713 INFO L78 Accepts]: Start accepts. Automaton has 5605 states and 11145 transitions. Word has length 30 [2021-11-21 02:04:12,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:12,713 INFO L470 AbstractCegarLoop]: Abstraction has 5605 states and 11145 transitions. [2021-11-21 02:04:12,713 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) [2021-11-21 02:04:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 5605 states and 11145 transitions. [2021-11-21 02:04:12,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:12,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:12,714 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] [2021-11-21 02:04:12,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-11-21 02:04:12,714 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)] === [2021-11-21 02:04:12,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:12,715 INFO L85 PathProgramCache]: Analyzing trace with hash -957628040, now seen corresponding path program 1 times [2021-11-21 02:04:12,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:12,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331790965] [2021-11-21 02:04:12,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:12,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:12,910 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:12,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331790965] [2021-11-21 02:04:12,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331790965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:12,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:12,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:04:12,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268267892] [2021-11-21 02:04:12,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:12,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:12,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:12,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:12,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:12,912 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) [2021-11-21 02:04:15,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:15,299 INFO L93 Difference]: Finished difference Result 9234 states and 18323 transitions. [2021-11-21 02:04:15,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 02:04:15,300 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 [2021-11-21 02:04:15,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:15,313 INFO L225 Difference]: With dead ends: 9234 [2021-11-21 02:04:15,313 INFO L226 Difference]: Without dead ends: 9234 [2021-11-21 02:04:15,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2021-11-21 02:04:15,316 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 565 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:15,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [565 Valid, 193 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 02:04:15,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2021-11-21 02:04:15,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 5741. [2021-11-21 02:04:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5741 states, 5671 states have (on average 2.016928231352495) internal successors, (11438), 5740 states have internal predecessors, (11438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:04:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5741 states to 5741 states and 11438 transitions. [2021-11-21 02:04:15,498 INFO L78 Accepts]: Start accepts. Automaton has 5741 states and 11438 transitions. Word has length 30 [2021-11-21 02:04:15,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:15,498 INFO L470 AbstractCegarLoop]: Abstraction has 5741 states and 11438 transitions. [2021-11-21 02:04:15,498 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) [2021-11-21 02:04:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 5741 states and 11438 transitions. [2021-11-21 02:04:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:15,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:15,500 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] [2021-11-21 02:04:15,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-11-21 02:04:15,501 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)] === [2021-11-21 02:04:15,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:15,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1098837380, now seen corresponding path program 2 times [2021-11-21 02:04:15,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:15,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326541340] [2021-11-21 02:04:15,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:15,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:15,743 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:15,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326541340] [2021-11-21 02:04:15,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326541340] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:15,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:15,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:04:15,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960549516] [2021-11-21 02:04:15,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:15,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:15,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:15,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:15,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:15,744 INFO L87 Difference]: Start difference. First operand 5741 states and 11438 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) [2021-11-21 02:04:16,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:16,888 INFO L93 Difference]: Finished difference Result 9159 states and 18173 transitions. [2021-11-21 02:04:16,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 02:04:16,888 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 [2021-11-21 02:04:16,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:16,901 INFO L225 Difference]: With dead ends: 9159 [2021-11-21 02:04:16,901 INFO L226 Difference]: Without dead ends: 9159 [2021-11-21 02:04:16,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:04:16,902 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 494 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:16,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [494 Valid, 179 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 02:04:16,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9159 states. [2021-11-21 02:04:16,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9159 to 5748. [2021-11-21 02:04:16,992 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) [2021-11-21 02:04:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 11453 transitions. [2021-11-21 02:04:17,001 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 11453 transitions. Word has length 30 [2021-11-21 02:04:17,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:17,002 INFO L470 AbstractCegarLoop]: Abstraction has 5748 states and 11453 transitions. [2021-11-21 02:04:17,002 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) [2021-11-21 02:04:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 11453 transitions. [2021-11-21 02:04:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:17,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:17,003 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] [2021-11-21 02:04:17,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-11-21 02:04:17,003 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)] === [2021-11-21 02:04:17,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:17,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1106621480, now seen corresponding path program 3 times [2021-11-21 02:04:17,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:17,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613236794] [2021-11-21 02:04:17,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:17,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:17,323 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:17,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613236794] [2021-11-21 02:04:17,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613236794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:17,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:17,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:04:17,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581004869] [2021-11-21 02:04:17,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:17,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:17,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:17,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:17,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:17,325 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) [2021-11-21 02:04:19,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:19,111 INFO L93 Difference]: Finished difference Result 9153 states and 18161 transitions. [2021-11-21 02:04:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 02:04:19,111 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 [2021-11-21 02:04:19,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:19,124 INFO L225 Difference]: With dead ends: 9153 [2021-11-21 02:04:19,124 INFO L226 Difference]: Without dead ends: 9153 [2021-11-21 02:04:19,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:04:19,125 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 477 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:19,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [477 Valid, 201 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 02:04:19,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9153 states. [2021-11-21 02:04:19,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9153 to 5753. [2021-11-21 02:04:19,214 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) [2021-11-21 02:04:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5753 states to 5753 states and 11464 transitions. [2021-11-21 02:04:19,224 INFO L78 Accepts]: Start accepts. Automaton has 5753 states and 11464 transitions. Word has length 30 [2021-11-21 02:04:19,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:19,224 INFO L470 AbstractCegarLoop]: Abstraction has 5753 states and 11464 transitions. [2021-11-21 02:04:19,224 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) [2021-11-21 02:04:19,224 INFO L276 IsEmpty]: Start isEmpty. Operand 5753 states and 11464 transitions. [2021-11-21 02:04:19,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:19,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:19,226 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] [2021-11-21 02:04:19,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-11-21 02:04:19,226 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)] === [2021-11-21 02:04:19,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:19,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1106877230, now seen corresponding path program 4 times [2021-11-21 02:04:19,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:19,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365670144] [2021-11-21 02:04:19,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:19,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:19,632 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:19,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365670144] [2021-11-21 02:04:19,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365670144] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:19,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:19,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:04:19,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558131835] [2021-11-21 02:04:19,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:19,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:19,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:19,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:19,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:19,634 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) [2021-11-21 02:04:20,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:20,784 INFO L93 Difference]: Finished difference Result 9146 states and 18147 transitions. [2021-11-21 02:04:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 02:04:20,784 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 [2021-11-21 02:04:20,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:20,796 INFO L225 Difference]: With dead ends: 9146 [2021-11-21 02:04:20,796 INFO L226 Difference]: Without dead ends: 9146 [2021-11-21 02:04:20,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:04:20,796 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 342 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:20,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 185 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 02:04:20,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9146 states. [2021-11-21 02:04:20,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9146 to 5757. [2021-11-21 02:04:20,879 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) [2021-11-21 02:04:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5757 states to 5757 states and 11473 transitions. [2021-11-21 02:04:20,888 INFO L78 Accepts]: Start accepts. Automaton has 5757 states and 11473 transitions. Word has length 30 [2021-11-21 02:04:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:20,889 INFO L470 AbstractCegarLoop]: Abstraction has 5757 states and 11473 transitions. [2021-11-21 02:04:20,889 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) [2021-11-21 02:04:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 5757 states and 11473 transitions. [2021-11-21 02:04:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:20,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:20,890 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] [2021-11-21 02:04:20,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-11-21 02:04:20,890 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)] === [2021-11-21 02:04:20,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:20,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1585756876, now seen corresponding path program 5 times [2021-11-21 02:04:20,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:20,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996841113] [2021-11-21 02:04:20,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:20,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:21,076 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:21,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996841113] [2021-11-21 02:04:21,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996841113] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:21,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:21,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:04:21,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289460126] [2021-11-21 02:04:21,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:21,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:21,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:21,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:21,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:21,077 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) [2021-11-21 02:04:23,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:23,387 INFO L93 Difference]: Finished difference Result 5873 states and 11705 transitions. [2021-11-21 02:04:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 02:04:23,387 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 [2021-11-21 02:04:23,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:23,395 INFO L225 Difference]: With dead ends: 5873 [2021-11-21 02:04:23,395 INFO L226 Difference]: Without dead ends: 5873 [2021-11-21 02:04:23,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2021-11-21 02:04:23,395 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 352 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:23,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 158 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 02:04:23,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5873 states. [2021-11-21 02:04:23,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5873 to 5784. [2021-11-21 02:04:23,467 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) [2021-11-21 02:04:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 11527 transitions. [2021-11-21 02:04:23,476 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 11527 transitions. Word has length 30 [2021-11-21 02:04:23,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:23,477 INFO L470 AbstractCegarLoop]: Abstraction has 5784 states and 11527 transitions. [2021-11-21 02:04:23,477 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) [2021-11-21 02:04:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 11527 transitions. [2021-11-21 02:04:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:23,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:23,478 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] [2021-11-21 02:04:23,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-11-21 02:04:23,478 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)] === [2021-11-21 02:04:23,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:23,479 INFO L85 PathProgramCache]: Analyzing trace with hash 2000188126, now seen corresponding path program 6 times [2021-11-21 02:04:23,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:23,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215645481] [2021-11-21 02:04:23,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:23,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:23,784 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:23,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215645481] [2021-11-21 02:04:23,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215645481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:23,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:23,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:04:23,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818552885] [2021-11-21 02:04:23,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:23,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:23,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:23,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:23,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:23,786 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) [2021-11-21 02:04:24,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:24,790 INFO L93 Difference]: Finished difference Result 5887 states and 11733 transitions. [2021-11-21 02:04:24,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 02:04:24,790 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 [2021-11-21 02:04:24,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:24,796 INFO L225 Difference]: With dead ends: 5887 [2021-11-21 02:04:24,797 INFO L226 Difference]: Without dead ends: 5887 [2021-11-21 02:04:24,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:04:24,797 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 345 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:24,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 100 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-21 02:04:24,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5887 states. [2021-11-21 02:04:24,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5887 to 5786. [2021-11-21 02:04:24,860 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) [2021-11-21 02:04:24,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 11531 transitions. [2021-11-21 02:04:24,869 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 11531 transitions. Word has length 30 [2021-11-21 02:04:24,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:24,869 INFO L470 AbstractCegarLoop]: Abstraction has 5786 states and 11531 transitions. [2021-11-21 02:04:24,869 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) [2021-11-21 02:04:24,870 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 11531 transitions. [2021-11-21 02:04:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:24,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:24,871 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, 1, 1, 1, 1, 1, 1] [2021-11-21 02:04:24,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-11-21 02:04:24,871 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)] === [2021-11-21 02:04:24,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:24,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1992404026, now seen corresponding path program 7 times [2021-11-21 02:04:24,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:24,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235182240] [2021-11-21 02:04:24,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:24,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:25,049 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:25,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235182240] [2021-11-21 02:04:25,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235182240] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:25,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:25,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:04:25,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775973282] [2021-11-21 02:04:25,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:25,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:25,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:25,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:25,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:25,050 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) [2021-11-21 02:04:26,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:26,994 INFO L93 Difference]: Finished difference Result 5911 states and 11781 transitions. [2021-11-21 02:04:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 02:04:26,994 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 [2021-11-21 02:04:26,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:27,002 INFO L225 Difference]: With dead ends: 5911 [2021-11-21 02:04:27,002 INFO L226 Difference]: Without dead ends: 5911 [2021-11-21 02:04:27,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2021-11-21 02:04:27,002 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 354 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:27,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 150 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 02:04:27,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5911 states. [2021-11-21 02:04:27,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5911 to 5792. [2021-11-21 02:04:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5792 states, 5722 states have (on average 2.017301642782244) internal successors, (11543), 5791 states have internal predecessors, (11543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:04:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5792 states to 5792 states and 11543 transitions. [2021-11-21 02:04:27,122 INFO L78 Accepts]: Start accepts. Automaton has 5792 states and 11543 transitions. Word has length 30 [2021-11-21 02:04:27,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:27,122 INFO L470 AbstractCegarLoop]: Abstraction has 5792 states and 11543 transitions. [2021-11-21 02:04:27,122 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) [2021-11-21 02:04:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 5792 states and 11543 transitions. [2021-11-21 02:04:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:27,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:27,124 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] [2021-11-21 02:04:27,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-11-21 02:04:27,124 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)] === [2021-11-21 02:04:27,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:27,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1381682672, now seen corresponding path program 8 times [2021-11-21 02:04:27,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:27,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906662420] [2021-11-21 02:04:27,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:27,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:27,340 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:27,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906662420] [2021-11-21 02:04:27,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906662420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:27,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:27,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:04:27,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015115958] [2021-11-21 02:04:27,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:27,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:27,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:27,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:27,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:27,341 INFO L87 Difference]: Start difference. First operand 5792 states and 11543 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) [2021-11-21 02:04:29,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:29,395 INFO L93 Difference]: Finished difference Result 5909 states and 11777 transitions. [2021-11-21 02:04:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 02:04:29,395 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 [2021-11-21 02:04:29,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:29,403 INFO L225 Difference]: With dead ends: 5909 [2021-11-21 02:04:29,403 INFO L226 Difference]: Without dead ends: 5909 [2021-11-21 02:04:29,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-11-21 02:04:29,404 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 218 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:29,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 124 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 02:04:29,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5909 states. [2021-11-21 02:04:29,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5909 to 5794. [2021-11-21 02:04:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5724 states have (on average 2.0172955974842766) internal successors, (11547), 5793 states have internal predecessors, (11547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:04:29,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 11547 transitions. [2021-11-21 02:04:29,484 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 11547 transitions. Word has length 30 [2021-11-21 02:04:29,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:29,485 INFO L470 AbstractCegarLoop]: Abstraction has 5794 states and 11547 transitions. [2021-11-21 02:04:29,485 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) [2021-11-21 02:04:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 11547 transitions. [2021-11-21 02:04:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:29,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:29,486 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] [2021-11-21 02:04:29,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-11-21 02:04:29,486 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)] === [2021-11-21 02:04:29,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:29,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1389466772, now seen corresponding path program 9 times [2021-11-21 02:04:29,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:29,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863116384] [2021-11-21 02:04:29,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:29,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:29,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:29,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863116384] [2021-11-21 02:04:29,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863116384] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:29,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:29,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:04:29,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347295636] [2021-11-21 02:04:29,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:29,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 02:04:29,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:29,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 02:04:29,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-21 02:04:29,669 INFO L87 Difference]: Start difference. First operand 5794 states and 11547 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) [2021-11-21 02:04:30,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:30,997 INFO L93 Difference]: Finished difference Result 5935 states and 11829 transitions. [2021-11-21 02:04:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 02:04:30,997 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 [2021-11-21 02:04:30,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:31,005 INFO L225 Difference]: With dead ends: 5935 [2021-11-21 02:04:31,005 INFO L226 Difference]: Without dead ends: 5935 [2021-11-21 02:04:31,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-21 02:04:31,005 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 292 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:31,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 140 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 02:04:31,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5935 states. [2021-11-21 02:04:31,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5935 to 5798. [2021-11-21 02:04:31,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5798 states, 5728 states have (on average 2.0172835195530725) internal successors, (11555), 5797 states have internal predecessors, (11555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:04:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5798 states to 5798 states and 11555 transitions. [2021-11-21 02:04:31,084 INFO L78 Accepts]: Start accepts. Automaton has 5798 states and 11555 transitions. Word has length 30 [2021-11-21 02:04:31,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:31,085 INFO L470 AbstractCegarLoop]: Abstraction has 5798 states and 11555 transitions. [2021-11-21 02:04:31,085 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) [2021-11-21 02:04:31,085 INFO L276 IsEmpty]: Start isEmpty. Operand 5798 states and 11555 transitions. [2021-11-21 02:04:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:31,086 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:31,086 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] [2021-11-21 02:04:31,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-11-21 02:04:31,086 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:04:31,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:31,087 INFO L85 PathProgramCache]: Analyzing trace with hash 206613870, now seen corresponding path program 1 times [2021-11-21 02:04:31,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:31,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76548829] [2021-11-21 02:04:31,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:31,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:31,618 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:31,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76548829] [2021-11-21 02:04:31,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76548829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:31,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:31,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:04:31,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955977206] [2021-11-21 02:04:31,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:31,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:04:31,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:31,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:04:31,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:04:31,620 INFO L87 Difference]: Start difference. First operand 5798 states and 11555 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) [2021-11-21 02:04:34,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:34,820 INFO L93 Difference]: Finished difference Result 10938 states and 21737 transitions. [2021-11-21 02:04:34,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-21 02:04:34,820 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 [2021-11-21 02:04:34,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:34,834 INFO L225 Difference]: With dead ends: 10938 [2021-11-21 02:04:34,834 INFO L226 Difference]: Without dead ends: 10938 [2021-11-21 02:04:34,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2021-11-21 02:04:34,835 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 754 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 2398 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 2499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:34,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [754 Valid, 556 Invalid, 2499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2398 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-21 02:04:34,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10938 states. [2021-11-21 02:04:34,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10938 to 6241. [2021-11-21 02:04:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 6171 states have (on average 2.0234970021066276) internal successors, (12487), 6240 states have internal predecessors, (12487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:04:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 12487 transitions. [2021-11-21 02:04:34,946 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 12487 transitions. Word has length 30 [2021-11-21 02:04:34,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:34,947 INFO L470 AbstractCegarLoop]: Abstraction has 6241 states and 12487 transitions. [2021-11-21 02:04:34,947 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) [2021-11-21 02:04:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 12487 transitions. [2021-11-21 02:04:34,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:34,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:34,949 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] [2021-11-21 02:04:34,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-11-21 02:04:34,949 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:04:34,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:34,950 INFO L85 PathProgramCache]: Analyzing trace with hash 997749049, now seen corresponding path program 3 times [2021-11-21 02:04:34,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:34,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451472685] [2021-11-21 02:04:34,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:34,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:35,426 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:35,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451472685] [2021-11-21 02:04:35,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451472685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:35,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:35,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:04:35,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116792762] [2021-11-21 02:04:35,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:35,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:04:35,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:35,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:04:35,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:04:35,427 INFO L87 Difference]: Start difference. First operand 6241 states and 12487 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) [2021-11-21 02:04:38,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:38,480 INFO L93 Difference]: Finished difference Result 11147 states and 22149 transitions. [2021-11-21 02:04:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 02:04:38,480 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 [2021-11-21 02:04:38,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:38,497 INFO L225 Difference]: With dead ends: 11147 [2021-11-21 02:04:38,497 INFO L226 Difference]: Without dead ends: 11147 [2021-11-21 02:04:38,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2021-11-21 02:04:38,497 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 627 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:38,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 474 Invalid, 2360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2203 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 02:04:38,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11147 states. [2021-11-21 02:04:38,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11147 to 6264. [2021-11-21 02:04:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6264 states, 6194 states have (on average 2.023409751372296) internal successors, (12533), 6263 states have internal predecessors, (12533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:04:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 12533 transitions. [2021-11-21 02:04:38,615 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 12533 transitions. Word has length 30 [2021-11-21 02:04:38,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:38,615 INFO L470 AbstractCegarLoop]: Abstraction has 6264 states and 12533 transitions. [2021-11-21 02:04:38,615 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) [2021-11-21 02:04:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 12533 transitions. [2021-11-21 02:04:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:38,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:38,617 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] [2021-11-21 02:04:38,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-11-21 02:04:38,617 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:04:38,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:38,617 INFO L85 PathProgramCache]: Analyzing trace with hash -426872613, now seen corresponding path program 4 times [2021-11-21 02:04:38,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:38,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426642224] [2021-11-21 02:04:38,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:38,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:39,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:39,088 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:39,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426642224] [2021-11-21 02:04:39,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426642224] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:39,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:39,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:04:39,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037233261] [2021-11-21 02:04:39,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:39,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:04:39,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:39,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:04:39,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:04:39,089 INFO L87 Difference]: Start difference. First operand 6264 states and 12533 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) [2021-11-21 02:04:42,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:42,838 INFO L93 Difference]: Finished difference Result 11215 states and 22283 transitions. [2021-11-21 02:04:42,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 02:04:42,839 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 [2021-11-21 02:04:42,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:42,855 INFO L225 Difference]: With dead ends: 11215 [2021-11-21 02:04:42,855 INFO L226 Difference]: Without dead ends: 11215 [2021-11-21 02:04:42,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-11-21 02:04:42,855 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 705 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 2865 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 3037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 2865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:42,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 491 Invalid, 3037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 2865 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 02:04:42,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11215 states. [2021-11-21 02:04:42,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11215 to 6260. [2021-11-21 02:04:42,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6260 states, 6190 states have (on average 2.0234248788368334) internal successors, (12525), 6259 states have internal predecessors, (12525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:04:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6260 states to 6260 states and 12525 transitions. [2021-11-21 02:04:42,973 INFO L78 Accepts]: Start accepts. Automaton has 6260 states and 12525 transitions. Word has length 30 [2021-11-21 02:04:42,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:42,974 INFO L470 AbstractCegarLoop]: Abstraction has 6260 states and 12525 transitions. [2021-11-21 02:04:42,974 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) [2021-11-21 02:04:42,974 INFO L276 IsEmpty]: Start isEmpty. Operand 6260 states and 12525 transitions. [2021-11-21 02:04:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:42,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:42,975 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] [2021-11-21 02:04:42,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-11-21 02:04:42,975 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)] === [2021-11-21 02:04:42,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:42,976 INFO L85 PathProgramCache]: Analyzing trace with hash 718289721, now seen corresponding path program 5 times [2021-11-21 02:04:42,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:42,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408113596] [2021-11-21 02:04:42,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:42,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:43,437 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:43,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408113596] [2021-11-21 02:04:43,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408113596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:43,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:43,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:04:43,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41560487] [2021-11-21 02:04:43,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:43,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:04:43,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:43,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:04:43,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:04:43,439 INFO L87 Difference]: Start difference. First operand 6260 states and 12525 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) [2021-11-21 02:04:46,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:46,901 INFO L93 Difference]: Finished difference Result 11355 states and 22559 transitions. [2021-11-21 02:04:46,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 02:04:46,902 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 [2021-11-21 02:04:46,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:46,920 INFO L225 Difference]: With dead ends: 11355 [2021-11-21 02:04:46,920 INFO L226 Difference]: Without dead ends: 11355 [2021-11-21 02:04:46,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2021-11-21 02:04:46,921 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 696 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 3183 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 3344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 3183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:46,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [696 Valid, 502 Invalid, 3344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 3183 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-21 02:04:46,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11355 states. [2021-11-21 02:04:47,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11355 to 6256. [2021-11-21 02:04:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6256 states, 6186 states have (on average 2.023440025864856) internal successors, (12517), 6255 states have internal predecessors, (12517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:04:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 12517 transitions. [2021-11-21 02:04:47,049 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 12517 transitions. Word has length 30 [2021-11-21 02:04:47,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:47,049 INFO L470 AbstractCegarLoop]: Abstraction has 6256 states and 12517 transitions. [2021-11-21 02:04:47,049 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) [2021-11-21 02:04:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 12517 transitions. [2021-11-21 02:04:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:47,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:47,051 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] [2021-11-21 02:04:47,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-11-21 02:04:47,051 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)] === [2021-11-21 02:04:47,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:47,051 INFO L85 PathProgramCache]: Analyzing trace with hash 754129793, now seen corresponding path program 6 times [2021-11-21 02:04:47,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:47,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533718198] [2021-11-21 02:04:47,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:47,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:47,536 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:47,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533718198] [2021-11-21 02:04:47,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533718198] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:47,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:47,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:04:47,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604720256] [2021-11-21 02:04:47,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:47,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:04:47,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:47,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:04:47,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:04:47,538 INFO L87 Difference]: Start difference. First operand 6256 states and 12517 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) [2021-11-21 02:04:52,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:52,012 INFO L93 Difference]: Finished difference Result 11583 states and 23009 transitions. [2021-11-21 02:04:52,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-21 02:04:52,013 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 [2021-11-21 02:04:52,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:52,029 INFO L225 Difference]: With dead ends: 11583 [2021-11-21 02:04:52,029 INFO L226 Difference]: Without dead ends: 11583 [2021-11-21 02:04:52,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=372, Invalid=888, Unknown=0, NotChecked=0, Total=1260 [2021-11-21 02:04:52,029 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 803 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 3219 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 3219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:52,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [803 Valid, 444 Invalid, 3426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 3219 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 02:04:52,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2021-11-21 02:04:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 6252. [2021-11-21 02:04:52,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6252 states, 6182 states have (on average 2.0234551924943385) internal successors, (12509), 6251 states have internal predecessors, (12509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:04:52,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6252 states to 6252 states and 12509 transitions. [2021-11-21 02:04:52,147 INFO L78 Accepts]: Start accepts. Automaton has 6252 states and 12509 transitions. Word has length 30 [2021-11-21 02:04:52,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:52,147 INFO L470 AbstractCegarLoop]: Abstraction has 6252 states and 12509 transitions. [2021-11-21 02:04:52,147 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) [2021-11-21 02:04:52,147 INFO L276 IsEmpty]: Start isEmpty. Operand 6252 states and 12509 transitions. [2021-11-21 02:04:52,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:52,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:52,149 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] [2021-11-21 02:04:52,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-11-21 02:04:52,149 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:04:52,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:52,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1801086506, now seen corresponding path program 10 times [2021-11-21 02:04:52,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:52,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969922472] [2021-11-21 02:04:52,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:52,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:52,617 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:52,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969922472] [2021-11-21 02:04:52,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969922472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:52,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:52,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:04:52,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506770055] [2021-11-21 02:04:52,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:52,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:04:52,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:52,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:04:52,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:04:52,618 INFO L87 Difference]: Start difference. First operand 6252 states and 12509 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) [2021-11-21 02:04:56,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:04:56,417 INFO L93 Difference]: Finished difference Result 10935 states and 21721 transitions. [2021-11-21 02:04:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 02:04:56,418 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 [2021-11-21 02:04:56,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:04:56,433 INFO L225 Difference]: With dead ends: 10935 [2021-11-21 02:04:56,434 INFO L226 Difference]: Without dead ends: 10935 [2021-11-21 02:04:56,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=283, Unknown=0, NotChecked=0, Total=420 [2021-11-21 02:04:56,434 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 626 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 2997 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 3116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 02:04:56,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [626 Valid, 475 Invalid, 3116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2997 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 02:04:56,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10935 states. [2021-11-21 02:04:56,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10935 to 6661. [2021-11-21 02:04:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6661 states, 6591 states have (on average 2.029737520861781) internal successors, (13378), 6660 states have internal predecessors, (13378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:04:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6661 states to 6661 states and 13378 transitions. [2021-11-21 02:04:56,593 INFO L78 Accepts]: Start accepts. Automaton has 6661 states and 13378 transitions. Word has length 30 [2021-11-21 02:04:56,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:04:56,593 INFO L470 AbstractCegarLoop]: Abstraction has 6661 states and 13378 transitions. [2021-11-21 02:04:56,593 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) [2021-11-21 02:04:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 6661 states and 13378 transitions. [2021-11-21 02:04:56,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:04:56,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:04:56,595 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] [2021-11-21 02:04:56,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-11-21 02:04:56,595 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:04:56,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:04:56,596 INFO L85 PathProgramCache]: Analyzing trace with hash 749845478, now seen corresponding path program 2 times [2021-11-21 02:04:56,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:04:56,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233070130] [2021-11-21 02:04:56,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:04:56,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:04:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:04:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:04:57,061 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:04:57,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233070130] [2021-11-21 02:04:57,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233070130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:57,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:04:57,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:04:57,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792152062] [2021-11-21 02:04:57,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:57,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:04:57,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:57,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:04:57,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:04:57,062 INFO L87 Difference]: Start difference. First operand 6661 states and 13378 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) [2021-11-21 02:05:00,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:00,613 INFO L93 Difference]: Finished difference Result 10845 states and 21545 transitions. [2021-11-21 02:05:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-21 02:05:00,613 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 [2021-11-21 02:05:00,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:00,630 INFO L225 Difference]: With dead ends: 10845 [2021-11-21 02:05:00,630 INFO L226 Difference]: Without dead ends: 10845 [2021-11-21 02:05:00,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-11-21 02:05:00,630 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 725 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 2811 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 2904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:00,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [725 Valid, 574 Invalid, 2904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2811 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-21 02:05:00,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10845 states. [2021-11-21 02:05:00,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10845 to 6662. [2021-11-21 02:05:00,775 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) [2021-11-21 02:05:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6662 states to 6662 states and 13380 transitions. [2021-11-21 02:05:00,785 INFO L78 Accepts]: Start accepts. Automaton has 6662 states and 13380 transitions. Word has length 30 [2021-11-21 02:05:00,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:00,786 INFO L470 AbstractCegarLoop]: Abstraction has 6662 states and 13380 transitions. [2021-11-21 02:05:00,786 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) [2021-11-21 02:05:00,786 INFO L276 IsEmpty]: Start isEmpty. Operand 6662 states and 13380 transitions. [2021-11-21 02:05:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:00,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:00,787 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] [2021-11-21 02:05:00,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-11-21 02:05:00,787 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:05:00,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:00,788 INFO L85 PathProgramCache]: Analyzing trace with hash 754314128, now seen corresponding path program 3 times [2021-11-21 02:05:00,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:00,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182286966] [2021-11-21 02:05:00,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:00,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:01,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:01,328 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:01,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182286966] [2021-11-21 02:05:01,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182286966] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:01,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:01,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:05:01,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84451611] [2021-11-21 02:05:01,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:01,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:05:01,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:01,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:05:01,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:05:01,329 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) [2021-11-21 02:05:05,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:05,681 INFO L93 Difference]: Finished difference Result 10849 states and 21553 transitions. [2021-11-21 02:05:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-21 02:05:05,682 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 [2021-11-21 02:05:05,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:05,697 INFO L225 Difference]: With dead ends: 10849 [2021-11-21 02:05:05,697 INFO L226 Difference]: Without dead ends: 10849 [2021-11-21 02:05:05,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2021-11-21 02:05:05,698 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 753 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 3748 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 3854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 3748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:05,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [753 Valid, 602 Invalid, 3854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 3748 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-21 02:05:05,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10849 states. [2021-11-21 02:05:05,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10849 to 6666. [2021-11-21 02:05:05,845 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) [2021-11-21 02:05:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 13388 transitions. [2021-11-21 02:05:05,856 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 13388 transitions. Word has length 30 [2021-11-21 02:05:05,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:05,856 INFO L470 AbstractCegarLoop]: Abstraction has 6666 states and 13388 transitions. [2021-11-21 02:05:05,856 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) [2021-11-21 02:05:05,856 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 13388 transitions. [2021-11-21 02:05:05,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:05,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:05,859 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] [2021-11-21 02:05:05,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-11-21 02:05:05,859 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)] === [2021-11-21 02:05:05,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:05,860 INFO L85 PathProgramCache]: Analyzing trace with hash -32465924, now seen corresponding path program 11 times [2021-11-21 02:05:05,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:05,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642805568] [2021-11-21 02:05:05,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:05,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:06,185 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:06,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642805568] [2021-11-21 02:05:06,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642805568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:06,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:06,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:05:06,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362902251] [2021-11-21 02:05:06,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:06,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:05:06,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:06,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:05:06,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:05:06,186 INFO L87 Difference]: Start difference. First operand 6666 states and 13388 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) [2021-11-21 02:05:09,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:09,593 INFO L93 Difference]: Finished difference Result 10890 states and 21635 transitions. [2021-11-21 02:05:09,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-21 02:05:09,593 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 [2021-11-21 02:05:09,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:09,609 INFO L225 Difference]: With dead ends: 10890 [2021-11-21 02:05:09,609 INFO L226 Difference]: Without dead ends: 10890 [2021-11-21 02:05:09,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2021-11-21 02:05:09,610 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 624 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 2719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:09,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [624 Valid, 475 Invalid, 2719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2595 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-21 02:05:09,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10890 states. [2021-11-21 02:05:09,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10890 to 6662. [2021-11-21 02:05:09,718 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) [2021-11-21 02:05:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6662 states to 6662 states and 13380 transitions. [2021-11-21 02:05:09,729 INFO L78 Accepts]: Start accepts. Automaton has 6662 states and 13380 transitions. Word has length 30 [2021-11-21 02:05:09,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:09,729 INFO L470 AbstractCegarLoop]: Abstraction has 6662 states and 13380 transitions. [2021-11-21 02:05:09,729 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) [2021-11-21 02:05:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 6662 states and 13380 transitions. [2021-11-21 02:05:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:09,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:09,731 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] [2021-11-21 02:05:09,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-11-21 02:05:09,731 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:05:09,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:09,732 INFO L85 PathProgramCache]: Analyzing trace with hash -465029194, now seen corresponding path program 12 times [2021-11-21 02:05:09,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:09,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687908291] [2021-11-21 02:05:09,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:09,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:10,144 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:10,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687908291] [2021-11-21 02:05:10,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687908291] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:10,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:10,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-21 02:05:10,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98950450] [2021-11-21 02:05:10,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:10,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 02:05:10,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:10,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 02:05:10,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:05:10,146 INFO L87 Difference]: Start difference. First operand 6662 states and 13380 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) [2021-11-21 02:05:14,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:14,270 INFO L93 Difference]: Finished difference Result 10961 states and 21777 transitions. [2021-11-21 02:05:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-21 02:05:14,271 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 [2021-11-21 02:05:14,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:14,286 INFO L225 Difference]: With dead ends: 10961 [2021-11-21 02:05:14,287 INFO L226 Difference]: Without dead ends: 10961 [2021-11-21 02:05:14,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=364, Invalid=826, Unknown=0, NotChecked=0, Total=1190 [2021-11-21 02:05:14,287 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 779 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 2824 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 2824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:14,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [779 Valid, 444 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 2824 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 02:05:14,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10961 states. [2021-11-21 02:05:14,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10961 to 6658. [2021-11-21 02:05:14,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6658 states, 6588 states have (on average 2.029751062537948) internal successors, (13372), 6657 states have internal predecessors, (13372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:05:14,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6658 states to 6658 states and 13372 transitions. [2021-11-21 02:05:14,409 INFO L78 Accepts]: Start accepts. Automaton has 6658 states and 13372 transitions. Word has length 30 [2021-11-21 02:05:14,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:14,409 INFO L470 AbstractCegarLoop]: Abstraction has 6658 states and 13372 transitions. [2021-11-21 02:05:14,409 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) [2021-11-21 02:05:14,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6658 states and 13372 transitions. [2021-11-21 02:05:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:14,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:14,411 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] [2021-11-21 02:05:14,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-11-21 02:05:14,411 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)] === [2021-11-21 02:05:14,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:14,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1762542318, now seen corresponding path program 4 times [2021-11-21 02:05:14,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:14,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922613277] [2021-11-21 02:05:14,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:14,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:14,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:14,802 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:14,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922613277] [2021-11-21 02:05:14,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922613277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:14,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:14,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:05:14,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037519456] [2021-11-21 02:05:14,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:14,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:05:14,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:14,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:05:14,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:05:14,803 INFO L87 Difference]: Start difference. First operand 6658 states and 13372 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) [2021-11-21 02:05:18,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:18,466 INFO L93 Difference]: Finished difference Result 10841 states and 21537 transitions. [2021-11-21 02:05:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-21 02:05:18,466 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 [2021-11-21 02:05:18,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:18,483 INFO L225 Difference]: With dead ends: 10841 [2021-11-21 02:05:18,483 INFO L226 Difference]: Without dead ends: 10841 [2021-11-21 02:05:18,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2021-11-21 02:05:18,483 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 667 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 3063 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 3063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:18,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [667 Valid, 583 Invalid, 3127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 3063 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 02:05:18,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10841 states. [2021-11-21 02:05:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10841 to 6660. [2021-11-21 02:05:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6660 states, 6590 states have (on average 2.029742033383915) internal successors, (13376), 6659 states have internal predecessors, (13376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:05:18,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6660 states to 6660 states and 13376 transitions. [2021-11-21 02:05:18,604 INFO L78 Accepts]: Start accepts. Automaton has 6660 states and 13376 transitions. Word has length 30 [2021-11-21 02:05:18,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:18,604 INFO L470 AbstractCegarLoop]: Abstraction has 6660 states and 13376 transitions. [2021-11-21 02:05:18,604 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) [2021-11-21 02:05:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 6660 states and 13376 transitions. [2021-11-21 02:05:18,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:18,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:18,606 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] [2021-11-21 02:05:18,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-11-21 02:05:18,606 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:05:18,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:18,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1767010968, now seen corresponding path program 5 times [2021-11-21 02:05:18,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:18,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327770429] [2021-11-21 02:05:18,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:18,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:19,038 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:19,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327770429] [2021-11-21 02:05:19,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327770429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:19,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:19,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:05:19,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896183805] [2021-11-21 02:05:19,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:19,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:05:19,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:19,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:05:19,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:05:19,039 INFO L87 Difference]: Start difference. First operand 6660 states and 13376 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) [2021-11-21 02:05:22,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:22,535 INFO L93 Difference]: Finished difference Result 10855 states and 21565 transitions. [2021-11-21 02:05:22,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-21 02:05:22,535 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 [2021-11-21 02:05:22,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:22,551 INFO L225 Difference]: With dead ends: 10855 [2021-11-21 02:05:22,551 INFO L226 Difference]: Without dead ends: 10855 [2021-11-21 02:05:22,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2021-11-21 02:05:22,551 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 671 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 2897 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 2973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:22,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 579 Invalid, 2973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2897 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-21 02:05:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10855 states. [2021-11-21 02:05:22,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10855 to 6659. [2021-11-21 02:05:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6659 states, 6589 states have (on average 2.0297465472757628) internal successors, (13374), 6658 states have internal predecessors, (13374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:05:22,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6659 states to 6659 states and 13374 transitions. [2021-11-21 02:05:22,724 INFO L78 Accepts]: Start accepts. Automaton has 6659 states and 13374 transitions. Word has length 30 [2021-11-21 02:05:22,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:22,724 INFO L470 AbstractCegarLoop]: Abstraction has 6659 states and 13374 transitions. [2021-11-21 02:05:22,724 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) [2021-11-21 02:05:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 6659 states and 13374 transitions. [2021-11-21 02:05:22,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:22,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:22,726 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] [2021-11-21 02:05:22,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-11-21 02:05:22,726 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:05:22,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:22,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1906432848, now seen corresponding path program 6 times [2021-11-21 02:05:22,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:22,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288486411] [2021-11-21 02:05:22,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:22,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:23,166 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:23,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288486411] [2021-11-21 02:05:23,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288486411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:23,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:23,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:05:23,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066375961] [2021-11-21 02:05:23,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:23,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:05:23,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:23,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:05:23,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:05:23,168 INFO L87 Difference]: Start difference. First operand 6659 states and 13374 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) [2021-11-21 02:05:26,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:26,982 INFO L93 Difference]: Finished difference Result 10850 states and 21555 transitions. [2021-11-21 02:05:26,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-21 02:05:26,982 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 [2021-11-21 02:05:26,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:26,998 INFO L225 Difference]: With dead ends: 10850 [2021-11-21 02:05:26,998 INFO L226 Difference]: Without dead ends: 10850 [2021-11-21 02:05:26,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-11-21 02:05:26,998 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 671 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 3320 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 3397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 3320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:26,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 594 Invalid, 3397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 3320 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 02:05:27,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10850 states. [2021-11-21 02:05:27,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10850 to 6663. [2021-11-21 02:05:27,107 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) [2021-11-21 02:05:27,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6663 states to 6663 states and 13382 transitions. [2021-11-21 02:05:27,118 INFO L78 Accepts]: Start accepts. Automaton has 6663 states and 13382 transitions. Word has length 30 [2021-11-21 02:05:27,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:27,118 INFO L470 AbstractCegarLoop]: Abstraction has 6663 states and 13382 transitions. [2021-11-21 02:05:27,118 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) [2021-11-21 02:05:27,118 INFO L276 IsEmpty]: Start isEmpty. Operand 6663 states and 13382 transitions. [2021-11-21 02:05:27,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:27,119 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:27,120 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] [2021-11-21 02:05:27,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-11-21 02:05:27,120 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:05:27,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:27,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2065671782, now seen corresponding path program 7 times [2021-11-21 02:05:27,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:27,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337220124] [2021-11-21 02:05:27,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:27,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:27,505 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:27,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337220124] [2021-11-21 02:05:27,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337220124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:27,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:27,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:05:27,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631676306] [2021-11-21 02:05:27,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:27,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:05:27,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:27,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:05:27,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:05:27,506 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) [2021-11-21 02:05:30,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:30,065 INFO L93 Difference]: Finished difference Result 10997 states and 21845 transitions. [2021-11-21 02:05:30,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-21 02:05:30,065 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 [2021-11-21 02:05:30,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:30,080 INFO L225 Difference]: With dead ends: 10997 [2021-11-21 02:05:30,080 INFO L226 Difference]: Without dead ends: 10997 [2021-11-21 02:05:30,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=252, Invalid=560, Unknown=0, NotChecked=0, Total=812 [2021-11-21 02:05:30,081 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 713 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:30,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [713 Valid, 538 Invalid, 1796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 02:05:30,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10997 states. [2021-11-21 02:05:30,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10997 to 6668. [2021-11-21 02:05:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6668 states, 6598 states have (on average 2.0297059715065173) internal successors, (13392), 6667 states have internal predecessors, (13392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:05:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6668 states to 6668 states and 13392 transitions. [2021-11-21 02:05:30,201 INFO L78 Accepts]: Start accepts. Automaton has 6668 states and 13392 transitions. Word has length 30 [2021-11-21 02:05:30,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:30,201 INFO L470 AbstractCegarLoop]: Abstraction has 6668 states and 13392 transitions. [2021-11-21 02:05:30,202 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) [2021-11-21 02:05:30,202 INFO L276 IsEmpty]: Start isEmpty. Operand 6668 states and 13392 transitions. [2021-11-21 02:05:30,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:30,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:30,203 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] [2021-11-21 02:05:30,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-11-21 02:05:30,203 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)] === [2021-11-21 02:05:30,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:30,204 INFO L85 PathProgramCache]: Analyzing trace with hash 2070140432, now seen corresponding path program 8 times [2021-11-21 02:05:30,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:30,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134066345] [2021-11-21 02:05:30,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:30,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:30,558 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:30,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134066345] [2021-11-21 02:05:30,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134066345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:30,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:30,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:05:30,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69587659] [2021-11-21 02:05:30,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:30,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:05:30,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:30,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:05:30,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:05:30,560 INFO L87 Difference]: Start difference. First operand 6668 states and 13392 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) [2021-11-21 02:05:34,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:34,342 INFO L93 Difference]: Finished difference Result 11025 states and 21901 transitions. [2021-11-21 02:05:34,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-21 02:05:34,342 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 [2021-11-21 02:05:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:34,356 INFO L225 Difference]: With dead ends: 11025 [2021-11-21 02:05:34,356 INFO L226 Difference]: Without dead ends: 11025 [2021-11-21 02:05:34,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=290, Invalid=640, Unknown=0, NotChecked=0, Total=930 [2021-11-21 02:05:34,356 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 689 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 2927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:34,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 579 Invalid, 2927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-21 02:05:34,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11025 states. [2021-11-21 02:05:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11025 to 6667. [2021-11-21 02:05:34,458 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) [2021-11-21 02:05:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6667 states to 6667 states and 13390 transitions. [2021-11-21 02:05:34,469 INFO L78 Accepts]: Start accepts. Automaton has 6667 states and 13390 transitions. Word has length 30 [2021-11-21 02:05:34,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:34,470 INFO L470 AbstractCegarLoop]: Abstraction has 6667 states and 13390 transitions. [2021-11-21 02:05:34,470 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) [2021-11-21 02:05:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 6667 states and 13390 transitions. [2021-11-21 02:05:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:34,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:34,471 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] [2021-11-21 02:05:34,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-11-21 02:05:34,472 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)] === [2021-11-21 02:05:34,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:34,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2085404984, now seen corresponding path program 9 times [2021-11-21 02:05:34,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:34,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329212642] [2021-11-21 02:05:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:34,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:34,818 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:34,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329212642] [2021-11-21 02:05:34,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329212642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:34,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:34,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:05:34,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758672205] [2021-11-21 02:05:34,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:34,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:05:34,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:34,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:05:34,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:05:34,819 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) [2021-11-21 02:05:37,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:37,932 INFO L93 Difference]: Finished difference Result 11053 states and 21957 transitions. [2021-11-21 02:05:37,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-21 02:05:37,933 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 [2021-11-21 02:05:37,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:37,950 INFO L225 Difference]: With dead ends: 11053 [2021-11-21 02:05:37,950 INFO L226 Difference]: Without dead ends: 11053 [2021-11-21 02:05:37,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=247, Invalid=565, Unknown=0, NotChecked=0, Total=812 [2021-11-21 02:05:37,951 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 711 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 2654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:37,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [711 Valid, 575 Invalid, 2654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 02:05:37,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11053 states. [2021-11-21 02:05:38,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11053 to 6666. [2021-11-21 02:05:38,061 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) [2021-11-21 02:05:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 13388 transitions. [2021-11-21 02:05:38,073 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 13388 transitions. Word has length 30 [2021-11-21 02:05:38,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:38,073 INFO L470 AbstractCegarLoop]: Abstraction has 6666 states and 13388 transitions. [2021-11-21 02:05:38,073 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) [2021-11-21 02:05:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 13388 transitions. [2021-11-21 02:05:38,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:38,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:38,075 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] [2021-11-21 02:05:38,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-11-21 02:05:38,076 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)] === [2021-11-21 02:05:38,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:38,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2030588370, now seen corresponding path program 10 times [2021-11-21 02:05:38,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:38,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355236089] [2021-11-21 02:05:38,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:38,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:38,480 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:38,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355236089] [2021-11-21 02:05:38,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355236089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:38,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:38,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-21 02:05:38,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501544654] [2021-11-21 02:05:38,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:38,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 02:05:38,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:38,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 02:05:38,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:05:38,481 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) [2021-11-21 02:05:42,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:42,684 INFO L93 Difference]: Finished difference Result 11097 states and 22045 transitions. [2021-11-21 02:05:42,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-21 02:05:42,684 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 [2021-11-21 02:05:42,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:42,700 INFO L225 Difference]: With dead ends: 11097 [2021-11-21 02:05:42,701 INFO L226 Difference]: Without dead ends: 11097 [2021-11-21 02:05:42,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=249, Invalid=563, Unknown=0, NotChecked=0, Total=812 [2021-11-21 02:05:42,701 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 693 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 3577 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 3694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:42,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [693 Valid, 610 Invalid, 3694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3577 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 02:05:42,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11097 states. [2021-11-21 02:05:42,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11097 to 6670. [2021-11-21 02:05:42,814 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) [2021-11-21 02:05:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6670 states to 6670 states and 13396 transitions. [2021-11-21 02:05:42,825 INFO L78 Accepts]: Start accepts. Automaton has 6670 states and 13396 transitions. Word has length 30 [2021-11-21 02:05:42,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:42,825 INFO L470 AbstractCegarLoop]: Abstraction has 6670 states and 13396 transitions. [2021-11-21 02:05:42,825 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) [2021-11-21 02:05:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 6670 states and 13396 transitions. [2021-11-21 02:05:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:42,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:42,827 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] [2021-11-21 02:05:42,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-11-21 02:05:42,827 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)] === [2021-11-21 02:05:42,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:42,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1125840402, now seen corresponding path program 11 times [2021-11-21 02:05:42,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:42,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623320703] [2021-11-21 02:05:42,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:42,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:43,240 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:43,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623320703] [2021-11-21 02:05:43,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623320703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:43,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:43,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:05:43,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30109384] [2021-11-21 02:05:43,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:43,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:05:43,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:43,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:05:43,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:05:43,242 INFO L87 Difference]: Start difference. First operand 6670 states and 13396 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) [2021-11-21 02:05:45,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:45,503 INFO L93 Difference]: Finished difference Result 10626 states and 21246 transitions. [2021-11-21 02:05:45,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 02:05:45,504 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 [2021-11-21 02:05:45,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:45,519 INFO L225 Difference]: With dead ends: 10626 [2021-11-21 02:05:45,519 INFO L226 Difference]: Without dead ends: 10626 [2021-11-21 02:05:45,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-11-21 02:05:45,519 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 559 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 1952 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 1975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:45,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [559 Valid, 502 Invalid, 1975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1952 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 02:05:45,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10626 states. [2021-11-21 02:05:45,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10626 to 6674. [2021-11-21 02:05:45,622 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) [2021-11-21 02:05:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6674 states to 6674 states and 13404 transitions. [2021-11-21 02:05:45,633 INFO L78 Accepts]: Start accepts. Automaton has 6674 states and 13404 transitions. Word has length 30 [2021-11-21 02:05:45,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:45,634 INFO L470 AbstractCegarLoop]: Abstraction has 6674 states and 13404 transitions. [2021-11-21 02:05:45,634 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) [2021-11-21 02:05:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 6674 states and 13404 transitions. [2021-11-21 02:05:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:45,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:45,636 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] [2021-11-21 02:05:45,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-11-21 02:05:45,636 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)] === [2021-11-21 02:05:45,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:45,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1121371752, now seen corresponding path program 12 times [2021-11-21 02:05:45,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:45,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913880830] [2021-11-21 02:05:45,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:45,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:46,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:46,035 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:46,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913880830] [2021-11-21 02:05:46,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913880830] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:46,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:46,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:05:46,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857745500] [2021-11-21 02:05:46,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:46,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:05:46,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:46,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:05:46,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:05:46,036 INFO L87 Difference]: Start difference. First operand 6674 states and 13404 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) [2021-11-21 02:05:49,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:49,241 INFO L93 Difference]: Finished difference Result 10304 states and 20556 transitions. [2021-11-21 02:05:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 02:05:49,242 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 [2021-11-21 02:05:49,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:49,255 INFO L225 Difference]: With dead ends: 10304 [2021-11-21 02:05:49,255 INFO L226 Difference]: Without dead ends: 10304 [2021-11-21 02:05:49,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2021-11-21 02:05:49,256 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 565 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2864 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 2890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:49,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [565 Valid, 534 Invalid, 2890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2864 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-21 02:05:49,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10304 states. [2021-11-21 02:05:49,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10304 to 6675. [2021-11-21 02:05:49,359 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) [2021-11-21 02:05:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6675 states to 6675 states and 13406 transitions. [2021-11-21 02:05:49,371 INFO L78 Accepts]: Start accepts. Automaton has 6675 states and 13406 transitions. Word has length 30 [2021-11-21 02:05:49,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:49,371 INFO L470 AbstractCegarLoop]: Abstraction has 6675 states and 13406 transitions. [2021-11-21 02:05:49,371 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) [2021-11-21 02:05:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 6675 states and 13406 transitions. [2021-11-21 02:05:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:49,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:49,373 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] [2021-11-21 02:05:49,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-11-21 02:05:49,373 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)] === [2021-11-21 02:05:49,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:49,373 INFO L85 PathProgramCache]: Analyzing trace with hash -981949872, now seen corresponding path program 13 times [2021-11-21 02:05:49,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:49,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699502945] [2021-11-21 02:05:49,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:49,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:49,734 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:49,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699502945] [2021-11-21 02:05:49,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699502945] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:49,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:49,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:05:49,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969703829] [2021-11-21 02:05:49,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:49,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:05:49,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:49,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:05:49,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:05:49,735 INFO L87 Difference]: Start difference. First operand 6675 states and 13406 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) [2021-11-21 02:05:51,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:51,677 INFO L93 Difference]: Finished difference Result 10308 states and 20564 transitions. [2021-11-21 02:05:51,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 02:05:51,678 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 [2021-11-21 02:05:51,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:51,693 INFO L225 Difference]: With dead ends: 10308 [2021-11-21 02:05:51,693 INFO L226 Difference]: Without dead ends: 10308 [2021-11-21 02:05:51,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-11-21 02:05:51,693 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 571 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:51,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [571 Valid, 492 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1612 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 02:05:51,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10308 states. [2021-11-21 02:05:51,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10308 to 6676. [2021-11-21 02:05:51,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6676 states, 6606 states have (on average 2.029669996972449) internal successors, (13408), 6675 states have internal predecessors, (13408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:05:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 13408 transitions. [2021-11-21 02:05:51,809 INFO L78 Accepts]: Start accepts. Automaton has 6676 states and 13408 transitions. Word has length 30 [2021-11-21 02:05:51,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:51,809 INFO L470 AbstractCegarLoop]: Abstraction has 6676 states and 13408 transitions. [2021-11-21 02:05:51,809 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) [2021-11-21 02:05:51,810 INFO L276 IsEmpty]: Start isEmpty. Operand 6676 states and 13408 transitions. [2021-11-21 02:05:51,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:51,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:51,811 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] [2021-11-21 02:05:51,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-11-21 02:05:51,811 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)] === [2021-11-21 02:05:51,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:51,812 INFO L85 PathProgramCache]: Analyzing trace with hash -927133258, now seen corresponding path program 14 times [2021-11-21 02:05:51,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:51,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163943335] [2021-11-21 02:05:51,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:51,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:52,173 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:52,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163943335] [2021-11-21 02:05:52,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163943335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:52,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:52,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:05:52,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474082969] [2021-11-21 02:05:52,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:52,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:05:52,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:52,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:05:52,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:05:52,174 INFO L87 Difference]: Start difference. First operand 6676 states and 13408 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) [2021-11-21 02:05:53,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:53,744 INFO L93 Difference]: Finished difference Result 10312 states and 20572 transitions. [2021-11-21 02:05:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 02:05:53,744 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 [2021-11-21 02:05:53,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:53,759 INFO L225 Difference]: With dead ends: 10312 [2021-11-21 02:05:53,759 INFO L226 Difference]: Without dead ends: 10312 [2021-11-21 02:05:53,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2021-11-21 02:05:53,760 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 491 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:53,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [491 Valid, 478 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 02:05:53,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10312 states. [2021-11-21 02:05:53,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10312 to 6677. [2021-11-21 02:05:53,865 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) [2021-11-21 02:05:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 13410 transitions. [2021-11-21 02:05:53,876 INFO L78 Accepts]: Start accepts. Automaton has 6677 states and 13410 transitions. Word has length 30 [2021-11-21 02:05:53,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:53,876 INFO L470 AbstractCegarLoop]: Abstraction has 6677 states and 13410 transitions. [2021-11-21 02:05:53,876 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) [2021-11-21 02:05:53,877 INFO L276 IsEmpty]: Start isEmpty. Operand 6677 states and 13410 transitions. [2021-11-21 02:05:53,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:53,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:53,878 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] [2021-11-21 02:05:53,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-11-21 02:05:53,878 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)] === [2021-11-21 02:05:53,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:53,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1648301040, now seen corresponding path program 15 times [2021-11-21 02:05:53,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:53,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310374487] [2021-11-21 02:05:53,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:53,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:54,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:54,335 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:54,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310374487] [2021-11-21 02:05:54,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310374487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:54,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:54,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-21 02:05:54,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310493496] [2021-11-21 02:05:54,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:54,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 02:05:54,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:54,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 02:05:54,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:05:54,336 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) [2021-11-21 02:05:56,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:05:56,531 INFO L93 Difference]: Finished difference Result 10314 states and 20576 transitions. [2021-11-21 02:05:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 02:05:56,531 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 [2021-11-21 02:05:56,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:05:56,547 INFO L225 Difference]: With dead ends: 10314 [2021-11-21 02:05:56,547 INFO L226 Difference]: Without dead ends: 10314 [2021-11-21 02:05:56,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2021-11-21 02:05:56,547 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 667 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 1772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:05:56,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [667 Valid, 659 Invalid, 1772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1741 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 02:05:56,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10314 states. [2021-11-21 02:05:56,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10314 to 6689. [2021-11-21 02:05:56,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6689 states, 6619 states have (on average 2.0302160447197464) internal successors, (13438), 6688 states have internal predecessors, (13438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:05:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6689 states to 6689 states and 13438 transitions. [2021-11-21 02:05:56,667 INFO L78 Accepts]: Start accepts. Automaton has 6689 states and 13438 transitions. Word has length 30 [2021-11-21 02:05:56,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:05:56,667 INFO L470 AbstractCegarLoop]: Abstraction has 6689 states and 13438 transitions. [2021-11-21 02:05:56,668 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) [2021-11-21 02:05:56,668 INFO L276 IsEmpty]: Start isEmpty. Operand 6689 states and 13438 transitions. [2021-11-21 02:05:56,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:05:56,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:05:56,670 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] [2021-11-21 02:05:56,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-11-21 02:05:56,670 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:05:56,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:05:56,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1373241062, now seen corresponding path program 1 times [2021-11-21 02:05:56,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:05:56,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27503740] [2021-11-21 02:05:56,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:05:56,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:05:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:05:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:05:57,507 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:05:57,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27503740] [2021-11-21 02:05:57,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27503740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:05:57,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:05:57,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-21 02:05:57,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996437126] [2021-11-21 02:05:57,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:05:57,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-21 02:05:57,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:05:57,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-21 02:05:57,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:05:57,508 INFO L87 Difference]: Start difference. First operand 6689 states and 13438 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) [2021-11-21 02:06:01,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:06:01,884 INFO L93 Difference]: Finished difference Result 9848 states and 19627 transitions. [2021-11-21 02:06:01,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-21 02:06:01,885 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 [2021-11-21 02:06:01,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:06:01,898 INFO L225 Difference]: With dead ends: 9848 [2021-11-21 02:06:01,898 INFO L226 Difference]: Without dead ends: 9848 [2021-11-21 02:06:01,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 10 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2021-11-21 02:06:01,899 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 653 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 3351 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 3487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 3351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:06:01,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [653 Valid, 531 Invalid, 3487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 3351 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-21 02:06:01,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9848 states. [2021-11-21 02:06:01,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9848 to 6749. [2021-11-21 02:06:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6749 states, 6679 states have (on average 2.029944602485402) internal successors, (13558), 6748 states have internal predecessors, (13558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:06:02,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6749 states to 6749 states and 13558 transitions. [2021-11-21 02:06:02,016 INFO L78 Accepts]: Start accepts. Automaton has 6749 states and 13558 transitions. Word has length 30 [2021-11-21 02:06:02,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:06:02,016 INFO L470 AbstractCegarLoop]: Abstraction has 6749 states and 13558 transitions. [2021-11-21 02:06:02,016 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) [2021-11-21 02:06:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 6749 states and 13558 transitions. [2021-11-21 02:06:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:06:02,019 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:06:02,019 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] [2021-11-21 02:06:02,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-11-21 02:06:02,020 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:06:02,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:06:02,020 INFO L85 PathProgramCache]: Analyzing trace with hash -921769198, now seen corresponding path program 2 times [2021-11-21 02:06:02,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:06:02,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104941030] [2021-11-21 02:06:02,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:06:02,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:06:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:06:02,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:06:02,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:06:02,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104941030] [2021-11-21 02:06:02,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104941030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:06:02,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:06:02,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-21 02:06:02,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722319169] [2021-11-21 02:06:02,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:06:02,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-21 02:06:02,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:06:02,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-21 02:06:02,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:06:02,798 INFO L87 Difference]: Start difference. First operand 6749 states and 13558 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) [2021-11-21 02:06:07,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:06:07,464 INFO L93 Difference]: Finished difference Result 9882 states and 19695 transitions. [2021-11-21 02:06:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-21 02:06:07,464 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 [2021-11-21 02:06:07,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:06:07,477 INFO L225 Difference]: With dead ends: 9882 [2021-11-21 02:06:07,477 INFO L226 Difference]: Without dead ends: 9882 [2021-11-21 02:06:07,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 10 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2021-11-21 02:06:07,477 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 641 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 4308 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 4432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 4308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 02:06:07,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 555 Invalid, 4432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 4308 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 02:06:07,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9882 states. [2021-11-21 02:06:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9882 to 6750. [2021-11-21 02:06:07,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6750 states, 6680 states have (on average 2.029940119760479) internal successors, (13560), 6749 states have internal predecessors, (13560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:06:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6750 states to 6750 states and 13560 transitions. [2021-11-21 02:06:07,590 INFO L78 Accepts]: Start accepts. Automaton has 6750 states and 13560 transitions. Word has length 30 [2021-11-21 02:06:07,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:06:07,590 INFO L470 AbstractCegarLoop]: Abstraction has 6750 states and 13560 transitions. [2021-11-21 02:06:07,590 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) [2021-11-21 02:06:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 6750 states and 13560 transitions. [2021-11-21 02:06:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:06:07,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:06:07,592 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] [2021-11-21 02:06:07,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-11-21 02:06:07,592 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:06:07,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:06:07,593 INFO L85 PathProgramCache]: Analyzing trace with hash -54726948, now seen corresponding path program 3 times [2021-11-21 02:06:07,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:06:07,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318491277] [2021-11-21 02:06:07,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:06:07,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:06:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:06:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:06:08,258 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:06:08,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318491277] [2021-11-21 02:06:08,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318491277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:06:08,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:06:08,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-21 02:06:08,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163863249] [2021-11-21 02:06:08,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:06:08,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-21 02:06:08,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:06:08,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-21 02:06:08,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:06:08,259 INFO L87 Difference]: Start difference. First operand 6750 states and 13560 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) [2021-11-21 02:06:12,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:06:12,285 INFO L93 Difference]: Finished difference Result 9917 states and 19765 transitions. [2021-11-21 02:06:12,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-21 02:06:12,285 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 [2021-11-21 02:06:12,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:06:12,299 INFO L225 Difference]: With dead ends: 9917 [2021-11-21 02:06:12,299 INFO L226 Difference]: Without dead ends: 9917 [2021-11-21 02:06:12,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 10 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812 [2021-11-21 02:06:12,299 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 689 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 3500 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 3693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 3500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:06:12,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 534 Invalid, 3693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 3500 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 02:06:12,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9917 states. [2021-11-21 02:06:12,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9917 to 6764. [2021-11-21 02:06:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6764 states, 6694 states have (on average 2.029877502240813) internal successors, (13588), 6763 states have internal predecessors, (13588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:06:12,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6764 states to 6764 states and 13588 transitions. [2021-11-21 02:06:12,463 INFO L78 Accepts]: Start accepts. Automaton has 6764 states and 13588 transitions. Word has length 30 [2021-11-21 02:06:12,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:06:12,463 INFO L470 AbstractCegarLoop]: Abstraction has 6764 states and 13588 transitions. [2021-11-21 02:06:12,463 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) [2021-11-21 02:06:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 6764 states and 13588 transitions. [2021-11-21 02:06:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:06:12,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:06:12,465 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] [2021-11-21 02:06:12,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-11-21 02:06:12,465 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2021-11-21 02:06:12,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:06:12,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1064294758, now seen corresponding path program 4 times [2021-11-21 02:06:12,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:06:12,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013238670] [2021-11-21 02:06:12,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:06:12,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:06:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:06:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:06:13,104 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:06:13,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013238670] [2021-11-21 02:06:13,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013238670] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:06:13,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:06:13,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-21 02:06:13,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030492713] [2021-11-21 02:06:13,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:06:13,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-21 02:06:13,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:06:13,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-21 02:06:13,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:06:13,105 INFO L87 Difference]: Start difference. First operand 6764 states and 13588 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) [2021-11-21 02:06:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:06:17,113 INFO L93 Difference]: Finished difference Result 9885 states and 19701 transitions. [2021-11-21 02:06:17,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-21 02:06:17,114 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 [2021-11-21 02:06:17,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:06:17,128 INFO L225 Difference]: With dead ends: 9885 [2021-11-21 02:06:17,128 INFO L226 Difference]: Without dead ends: 9885 [2021-11-21 02:06:17,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 10 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2021-11-21 02:06:17,128 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 639 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 3574 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 3709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 02:06:17,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [639 Valid, 540 Invalid, 3709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3574 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 02:06:17,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9885 states. [2021-11-21 02:06:17,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9885 to 6766. [2021-11-21 02:06:17,233 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) [2021-11-21 02:06:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6766 states to 6766 states and 13592 transitions. [2021-11-21 02:06:17,245 INFO L78 Accepts]: Start accepts. Automaton has 6766 states and 13592 transitions. Word has length 30 [2021-11-21 02:06:17,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:06:17,245 INFO L470 AbstractCegarLoop]: Abstraction has 6766 states and 13592 transitions. [2021-11-21 02:06:17,245 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) [2021-11-21 02:06:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 6766 states and 13592 transitions. [2021-11-21 02:06:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:06:17,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:06:17,247 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] [2021-11-21 02:06:17,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-11-21 02:06:17,247 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)] === [2021-11-21 02:06:17,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:06:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash -197252508, now seen corresponding path program 5 times [2021-11-21 02:06:17,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:06:17,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341711100] [2021-11-21 02:06:17,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:06:17,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:06:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:06:17,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:06:17,910 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:06:17,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341711100] [2021-11-21 02:06:17,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341711100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:06:17,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:06:17,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-21 02:06:17,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572413039] [2021-11-21 02:06:17,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:06:17,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-21 02:06:17,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:06:17,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-21 02:06:17,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:06:17,911 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) [2021-11-21 02:06:22,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:06:22,390 INFO L93 Difference]: Finished difference Result 9953 states and 19837 transitions. [2021-11-21 02:06:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-21 02:06:22,390 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 [2021-11-21 02:06:22,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:06:22,405 INFO L225 Difference]: With dead ends: 9953 [2021-11-21 02:06:22,405 INFO L226 Difference]: Without dead ends: 9953 [2021-11-21 02:06:22,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 10 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2021-11-21 02:06:22,405 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 670 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 3769 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 3954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 3769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:06:22,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 544 Invalid, 3954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 3769 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-21 02:06:22,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9953 states. [2021-11-21 02:06:22,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9953 to 6765. [2021-11-21 02:06:22,511 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) [2021-11-21 02:06:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6765 states to 6765 states and 13590 transitions. [2021-11-21 02:06:22,523 INFO L78 Accepts]: Start accepts. Automaton has 6765 states and 13590 transitions. Word has length 30 [2021-11-21 02:06:22,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:06:22,523 INFO L470 AbstractCegarLoop]: Abstraction has 6765 states and 13590 transitions. [2021-11-21 02:06:22,523 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) [2021-11-21 02:06:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 6765 states and 13590 transitions. [2021-11-21 02:06:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:06:22,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:06:22,525 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] [2021-11-21 02:06:22,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-11-21 02:06:22,525 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)] === [2021-11-21 02:06:22,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:06:22,525 INFO L85 PathProgramCache]: Analyzing trace with hash 921756570, now seen corresponding path program 6 times [2021-11-21 02:06:22,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:06:22,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97758389] [2021-11-21 02:06:22,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:06:22,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:06:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:06:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:06:23,142 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:06:23,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97758389] [2021-11-21 02:06:23,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97758389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:06:23,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:06:23,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-21 02:06:23,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037434047] [2021-11-21 02:06:23,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:06:23,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-21 02:06:23,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:06:23,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-21 02:06:23,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:06:23,143 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) [2021-11-21 02:06:27,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:06:27,187 INFO L93 Difference]: Finished difference Result 9984 states and 19899 transitions. [2021-11-21 02:06:27,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-21 02:06:27,188 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 [2021-11-21 02:06:27,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:06:27,203 INFO L225 Difference]: With dead ends: 9984 [2021-11-21 02:06:27,203 INFO L226 Difference]: Without dead ends: 9984 [2021-11-21 02:06:27,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 10 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2021-11-21 02:06:27,203 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 673 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 3391 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 3586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 3391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:06:27,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [673 Valid, 532 Invalid, 3586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 3391 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 02:06:27,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9984 states. [2021-11-21 02:06:27,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9984 to 6779. [2021-11-21 02:06:27,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6779 states, 6709 states have (on average 2.0298107020420333) internal successors, (13618), 6778 states have internal predecessors, (13618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 02:06:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6779 states to 6779 states and 13618 transitions. [2021-11-21 02:06:27,323 INFO L78 Accepts]: Start accepts. Automaton has 6779 states and 13618 transitions. Word has length 30 [2021-11-21 02:06:27,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:06:27,323 INFO L470 AbstractCegarLoop]: Abstraction has 6779 states and 13618 transitions. [2021-11-21 02:06:27,323 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) [2021-11-21 02:06:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 6779 states and 13618 transitions. [2021-11-21 02:06:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 02:06:27,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:06:27,325 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] [2021-11-21 02:06:27,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-11-21 02:06:27,325 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)] === [2021-11-21 02:06:27,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:06:27,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1383709294, now seen corresponding path program 7 times [2021-11-21 02:06:27,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:06:27,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895955589] [2021-11-21 02:06:27,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:06:27,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:06:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:06:27,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 02:06:27,953 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:06:27,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895955589] [2021-11-21 02:06:27,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895955589] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:06:27,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:06:27,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-21 02:06:27,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169113655] [2021-11-21 02:06:27,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:06:27,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-21 02:06:27,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:06:27,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-21 02:06:27,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-21 02:06:27,954 INFO L87 Difference]: Start difference. First operand 6779 states and 13618 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)