./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh --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 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:27:49,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:27:49,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:27:49,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:27:49,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:27:49,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:27:49,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:27:49,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:27:49,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:27:49,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:27:49,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:27:49,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:27:49,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:27:49,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:27:49,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:27:49,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:27:49,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:27:49,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:27:49,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:27:49,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:27:49,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:27:49,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:27:49,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:27:49,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:27:49,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:27:49,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:27:49,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:27:49,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:27:49,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:27:49,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:27:49,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:27:49,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:27:49,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:27:49,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:27:49,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:27:49,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:27:49,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:27:49,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:27:49,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:27:49,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:27:49,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:27:49,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 09:27:49,834 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:27:49,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:27:49,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:27:49,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:27:49,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:27:49,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:27:49,835 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:27:49,835 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:27:49,836 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:27:49,836 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:27:49,836 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:27:49,836 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:27:49,836 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:27:49,836 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:27:49,837 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:27:49,837 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:27:49,837 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:27:49,837 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:27:49,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:27:49,838 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:27:49,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:27:49,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:27:49,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:27:49,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:27:49,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:27:49,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:27:49,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:27:49,839 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 09:27:49,839 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:27:49,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:27:49,840 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:27:49,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:27:49,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:27:49,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:27:49,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:27:49,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:27:49,841 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:27:49,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:27:49,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:27:49,841 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:27:49,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:27:49,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:27:49,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:27:49,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c [2022-12-14 09:27:50,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:27:50,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:27:50,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:27:50,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:27:50,065 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:27:50,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2022-12-14 09:27:52,667 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:27:52,913 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:27:52,913 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2022-12-14 09:27:52,927 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/data/c0943b15b/8380970457614775b811d06bab92d844/FLAG4220c58aa [2022-12-14 09:27:53,224 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/data/c0943b15b/8380970457614775b811d06bab92d844 [2022-12-14 09:27:53,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:27:53,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:27:53,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:27:53,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:27:53,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:27:53,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180c1ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53, skipping insertion in model container [2022-12-14 09:27:53,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:27:53,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:27:53,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:27:53,651 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:27:53,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:27:53,748 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:27:53,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53 WrapperNode [2022-12-14 09:27:53,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:27:53,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:27:53,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:27:53,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:27:53,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,800 INFO L138 Inliner]: procedures = 368, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 172 [2022-12-14 09:27:53,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:27:53,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:27:53,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:27:53,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:27:53,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:27:53,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:27:53,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:27:53,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:27:53,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (1/1) ... [2022-12-14 09:27:53,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:27:53,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:27:53,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:27:53,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:27:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 09:27:53,895 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:27:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:27:53,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:27:53,896 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 09:27:54,007 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:27:54,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:27:54,288 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:27:54,296 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:27:54,297 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:27:54,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:27:54 BoogieIcfgContainer [2022-12-14 09:27:54,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:27:54,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:27:54,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:27:54,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:27:54,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:27:53" (1/3) ... [2022-12-14 09:27:54,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdc3e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:27:54, skipping insertion in model container [2022-12-14 09:27:54,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:27:53" (2/3) ... [2022-12-14 09:27:54,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdc3e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:27:54, skipping insertion in model container [2022-12-14 09:27:54,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:27:54" (3/3) ... [2022-12-14 09:27:54,304 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2022-12-14 09:27:54,310 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 09:27:54,318 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:27:54,318 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-12-14 09:27:54,318 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 09:27:54,369 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 09:27:54,394 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 09:27:54,405 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 204 transitions, 413 flow [2022-12-14 09:27:54,407 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 204 transitions, 413 flow [2022-12-14 09:27:54,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 204 transitions, 413 flow [2022-12-14 09:27:54,464 INFO L130 PetriNetUnfolder]: 0/203 cut-off events. [2022-12-14 09:27:54,464 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 09:27:54,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 203 events. 0/203 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 85 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-14 09:27:54,469 INFO L119 LiptonReduction]: Number of co-enabled transitions 4288 [2022-12-14 09:28:40,171 WARN L233 SmtUtils]: Spent 7.05s on a formula simplification that was a NOOP. DAG size: 277 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 09:29:05,610 WARN L233 SmtUtils]: Spent 25.43s on a formula simplification that was a NOOP. DAG size: 251 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 09:29:22,201 WARN L233 SmtUtils]: Spent 16.59s on a formula simplification that was a NOOP. DAG size: 277 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 09:29:45,653 WARN L233 SmtUtils]: Spent 23.45s on a formula simplification that was a NOOP. DAG size: 251 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 09:29:45,833 INFO L134 LiptonReduction]: Checked pairs total: 59692 [2022-12-14 09:29:45,833 INFO L136 LiptonReduction]: Total number of compositions: 209 [2022-12-14 09:29:45,839 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 68 transitions, 141 flow [2022-12-14 09:29:45,875 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 764 states, 725 states have (on average 2.0124137931034483) internal successors, (1459), 763 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:45,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:29:45,891 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51b85b3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:29:45,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-12-14 09:29:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 764 states, 725 states have (on average 2.0124137931034483) internal successors, (1459), 763 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 09:29:45,898 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:45,899 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 09:29:45,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:45,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:45,902 INFO L85 PathProgramCache]: Analyzing trace with hash 687, now seen corresponding path program 1 times [2022-12-14 09:29:45,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:45,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115748460] [2022-12-14 09:29:45,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:45,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:45,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:45,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115748460] [2022-12-14 09:29:45,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115748460] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:45,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:45,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 09:29:45,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776956129] [2022-12-14 09:29:45,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:45,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 09:29:45,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:46,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 09:29:46,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:29:46,014 INFO L87 Difference]: Start difference. First operand has 764 states, 725 states have (on average 2.0124137931034483) internal successors, (1459), 763 states have internal predecessors, (1459), 0 states have call successors, (0), 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) [2022-12-14 09:29:46,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:46,112 INFO L93 Difference]: Finished difference Result 680 states and 1302 transitions. [2022-12-14 09:29:46,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 09:29:46,114 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 [2022-12-14 09:29:46,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:46,124 INFO L225 Difference]: With dead ends: 680 [2022-12-14 09:29:46,124 INFO L226 Difference]: Without dead ends: 680 [2022-12-14 09:29:46,125 INFO L412 NwaCegarLoop]: 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 [2022-12-14 09:29:46,127 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:46,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:29:46,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2022-12-14 09:29:46,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2022-12-14 09:29:46,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 663 states have (on average 1.9638009049773755) internal successors, (1302), 679 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1302 transitions. [2022-12-14 09:29:46,176 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1302 transitions. Word has length 1 [2022-12-14 09:29:46,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:46,176 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 1302 transitions. [2022-12-14 09:29:46,176 INFO L496 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) [2022-12-14 09:29:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1302 transitions. [2022-12-14 09:29:46,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 09:29:46,177 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:46,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:46,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:29:46,177 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:46,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:46,178 INFO L85 PathProgramCache]: Analyzing trace with hash -236925269, now seen corresponding path program 1 times [2022-12-14 09:29:46,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:46,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763085053] [2022-12-14 09:29:46,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:46,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:46,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:46,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763085053] [2022-12-14 09:29:46,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763085053] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:46,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:46,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:29:46,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386608522] [2022-12-14 09:29:46,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:46,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:29:46,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:46,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:29:46,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:29:46,729 INFO L87 Difference]: Start difference. First operand 680 states and 1302 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) [2022-12-14 09:29:47,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:47,047 INFO L93 Difference]: Finished difference Result 737 states and 1412 transitions. [2022-12-14 09:29:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:29:47,047 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 [2022-12-14 09:29:47,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:47,051 INFO L225 Difference]: With dead ends: 737 [2022-12-14 09:29:47,051 INFO L226 Difference]: Without dead ends: 737 [2022-12-14 09:29:47,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:29:47,052 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 36 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:47,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 32 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 09:29:47,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-12-14 09:29:47,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 737. [2022-12-14 09:29:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 720 states have (on average 1.961111111111111) internal successors, (1412), 736 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1412 transitions. [2022-12-14 09:29:47,080 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1412 transitions. Word has length 9 [2022-12-14 09:29:47,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:47,080 INFO L495 AbstractCegarLoop]: Abstraction has 737 states and 1412 transitions. [2022-12-14 09:29:47,080 INFO L496 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) [2022-12-14 09:29:47,080 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1412 transitions. [2022-12-14 09:29:47,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 09:29:47,081 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:47,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:47,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:29:47,082 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:47,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:47,082 INFO L85 PathProgramCache]: Analyzing trace with hash 425429315, now seen corresponding path program 1 times [2022-12-14 09:29:47,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:47,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812438174] [2022-12-14 09:29:47,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:47,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:47,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:47,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812438174] [2022-12-14 09:29:47,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812438174] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:47,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:47,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:29:47,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276416003] [2022-12-14 09:29:47,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:47,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:29:47,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:47,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:29:47,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:29:47,450 INFO L87 Difference]: Start difference. First operand 737 states and 1412 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) [2022-12-14 09:29:48,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:48,136 INFO L93 Difference]: Finished difference Result 1270 states and 2420 transitions. [2022-12-14 09:29:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:29:48,137 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 [2022-12-14 09:29:48,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:48,145 INFO L225 Difference]: With dead ends: 1270 [2022-12-14 09:29:48,145 INFO L226 Difference]: Without dead ends: 1270 [2022-12-14 09:29:48,145 INFO L412 NwaCegarLoop]: 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 [2022-12-14 09:29:48,146 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 95 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:48,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 29 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:29:48,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2022-12-14 09:29:48,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 842. [2022-12-14 09:29:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 828 states have (on average 1.958937198067633) internal successors, (1622), 841 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1622 transitions. [2022-12-14 09:29:48,165 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1622 transitions. Word has length 9 [2022-12-14 09:29:48,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:48,165 INFO L495 AbstractCegarLoop]: Abstraction has 842 states and 1622 transitions. [2022-12-14 09:29:48,165 INFO L496 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) [2022-12-14 09:29:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1622 transitions. [2022-12-14 09:29:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:29:48,166 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:48,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:48,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:29:48,166 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:48,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:48,166 INFO L85 PathProgramCache]: Analyzing trace with hash 464335629, now seen corresponding path program 1 times [2022-12-14 09:29:48,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:48,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478572259] [2022-12-14 09:29:48,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:48,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:48,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:48,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478572259] [2022-12-14 09:29:48,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478572259] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:48,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:48,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:29:48,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130768417] [2022-12-14 09:29:48,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:48,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:29:48,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:48,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:29:48,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:29:48,621 INFO L87 Difference]: Start difference. First operand 842 states and 1622 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:49,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:49,400 INFO L93 Difference]: Finished difference Result 864 states and 1632 transitions. [2022-12-14 09:29:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 09:29:49,400 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:29:49,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:49,405 INFO L225 Difference]: With dead ends: 864 [2022-12-14 09:29:49,405 INFO L226 Difference]: Without dead ends: 864 [2022-12-14 09:29:49,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2022-12-14 09:29:49,406 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 262 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:49,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 49 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 09:29:49,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2022-12-14 09:29:49,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 804. [2022-12-14 09:29:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 791 states have (on average 1.95448798988622) internal successors, (1546), 803 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1546 transitions. [2022-12-14 09:29:49,419 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1546 transitions. Word has length 12 [2022-12-14 09:29:49,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:49,419 INFO L495 AbstractCegarLoop]: Abstraction has 804 states and 1546 transitions. [2022-12-14 09:29:49,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:49,420 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1546 transitions. [2022-12-14 09:29:49,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:29:49,420 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:49,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:49,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:29:49,420 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:49,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:49,421 INFO L85 PathProgramCache]: Analyzing trace with hash 608108179, now seen corresponding path program 1 times [2022-12-14 09:29:49,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:49,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123945407] [2022-12-14 09:29:49,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:49,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:49,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:49,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123945407] [2022-12-14 09:29:49,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123945407] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:49,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:49,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:29:49,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545182289] [2022-12-14 09:29:49,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:49,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:29:49,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:49,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:29:49,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:29:49,759 INFO L87 Difference]: Start difference. First operand 804 states and 1546 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:50,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:50,990 INFO L93 Difference]: Finished difference Result 1207 states and 2262 transitions. [2022-12-14 09:29:50,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 09:29:50,990 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:29:50,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:50,993 INFO L225 Difference]: With dead ends: 1207 [2022-12-14 09:29:50,993 INFO L226 Difference]: Without dead ends: 1207 [2022-12-14 09:29:50,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2022-12-14 09:29:50,994 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 326 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:50,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 13 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 09:29:50,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2022-12-14 09:29:51,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 808. [2022-12-14 09:29:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 795 states have (on average 1.9547169811320755) internal successors, (1554), 807 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1554 transitions. [2022-12-14 09:29:51,008 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1554 transitions. Word has length 12 [2022-12-14 09:29:51,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:51,008 INFO L495 AbstractCegarLoop]: Abstraction has 808 states and 1554 transitions. [2022-12-14 09:29:51,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1554 transitions. [2022-12-14 09:29:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:29:51,009 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:51,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:51,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 09:29:51,009 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:51,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:51,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1901668935, now seen corresponding path program 2 times [2022-12-14 09:29:51,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:51,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493078890] [2022-12-14 09:29:51,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:51,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:51,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:51,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493078890] [2022-12-14 09:29:51,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493078890] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:51,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:51,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:29:51,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889582303] [2022-12-14 09:29:51,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:51,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:29:51,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:51,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:29:51,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:29:51,382 INFO L87 Difference]: Start difference. First operand 808 states and 1554 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:52,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:52,340 INFO L93 Difference]: Finished difference Result 1694 states and 3198 transitions. [2022-12-14 09:29:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 09:29:52,340 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:29:52,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:52,344 INFO L225 Difference]: With dead ends: 1694 [2022-12-14 09:29:52,344 INFO L226 Difference]: Without dead ends: 1694 [2022-12-14 09:29:52,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-12-14 09:29:52,345 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 295 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:52,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 16 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:29:52,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2022-12-14 09:29:52,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 809. [2022-12-14 09:29:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 796 states have (on average 1.9547738693467336) internal successors, (1556), 808 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1556 transitions. [2022-12-14 09:29:52,359 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1556 transitions. Word has length 12 [2022-12-14 09:29:52,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:52,359 INFO L495 AbstractCegarLoop]: Abstraction has 809 states and 1556 transitions. [2022-12-14 09:29:52,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1556 transitions. [2022-12-14 09:29:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:29:52,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:52,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:52,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:29:52,360 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:52,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:52,361 INFO L85 PathProgramCache]: Analyzing trace with hash 295337041, now seen corresponding path program 3 times [2022-12-14 09:29:52,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:52,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647617761] [2022-12-14 09:29:52,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:52,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:52,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:52,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647617761] [2022-12-14 09:29:52,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647617761] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:52,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:52,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:29:52,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583023210] [2022-12-14 09:29:52,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:52,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:29:52,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:52,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:29:52,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:29:52,681 INFO L87 Difference]: Start difference. First operand 809 states and 1556 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:53,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:53,471 INFO L93 Difference]: Finished difference Result 1698 states and 3203 transitions. [2022-12-14 09:29:53,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 09:29:53,471 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:29:53,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:53,475 INFO L225 Difference]: With dead ends: 1698 [2022-12-14 09:29:53,475 INFO L226 Difference]: Without dead ends: 1698 [2022-12-14 09:29:53,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2022-12-14 09:29:53,476 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 334 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:53,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 16 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:29:53,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2022-12-14 09:29:53,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 810. [2022-12-14 09:29:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 797 states have (on average 1.9548306148055208) internal successors, (1558), 809 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1558 transitions. [2022-12-14 09:29:53,495 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1558 transitions. Word has length 12 [2022-12-14 09:29:53,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:53,496 INFO L495 AbstractCegarLoop]: Abstraction has 810 states and 1558 transitions. [2022-12-14 09:29:53,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1558 transitions. [2022-12-14 09:29:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:29:53,496 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:53,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:53,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 09:29:53,497 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:53,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:53,497 INFO L85 PathProgramCache]: Analyzing trace with hash -4956239, now seen corresponding path program 4 times [2022-12-14 09:29:53,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:53,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745525194] [2022-12-14 09:29:53,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:53,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:53,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:53,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745525194] [2022-12-14 09:29:53,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745525194] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:53,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:53,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:29:53,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807175518] [2022-12-14 09:29:53,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:53,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:29:53,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:53,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:29:53,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:29:53,834 INFO L87 Difference]: Start difference. First operand 810 states and 1558 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:55,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:55,108 INFO L93 Difference]: Finished difference Result 1632 states and 3074 transitions. [2022-12-14 09:29:55,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 09:29:55,109 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:29:55,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:55,114 INFO L225 Difference]: With dead ends: 1632 [2022-12-14 09:29:55,114 INFO L226 Difference]: Without dead ends: 1632 [2022-12-14 09:29:55,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2022-12-14 09:29:55,115 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 303 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:55,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 16 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:29:55,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2022-12-14 09:29:55,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 812. [2022-12-14 09:29:55,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 799 states have (on average 1.9549436795994994) internal successors, (1562), 811 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1562 transitions. [2022-12-14 09:29:55,135 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1562 transitions. Word has length 12 [2022-12-14 09:29:55,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:55,135 INFO L495 AbstractCegarLoop]: Abstraction has 812 states and 1562 transitions. [2022-12-14 09:29:55,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1562 transitions. [2022-12-14 09:29:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:29:55,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:55,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:55,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 09:29:55,136 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:55,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:55,137 INFO L85 PathProgramCache]: Analyzing trace with hash 159171187, now seen corresponding path program 5 times [2022-12-14 09:29:55,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:55,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944728618] [2022-12-14 09:29:55,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:55,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:55,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:55,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944728618] [2022-12-14 09:29:55,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944728618] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:55,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:55,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:29:55,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948225259] [2022-12-14 09:29:55,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:55,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:29:55,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:55,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:29:55,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:29:55,525 INFO L87 Difference]: Start difference. First operand 812 states and 1562 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:56,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:56,455 INFO L93 Difference]: Finished difference Result 1579 states and 3016 transitions. [2022-12-14 09:29:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 09:29:56,456 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:29:56,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:56,461 INFO L225 Difference]: With dead ends: 1579 [2022-12-14 09:29:56,462 INFO L226 Difference]: Without dead ends: 1579 [2022-12-14 09:29:56,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2022-12-14 09:29:56,462 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 208 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:56,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 28 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:29:56,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2022-12-14 09:29:56,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 798. [2022-12-14 09:29:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 785 states have (on average 1.954140127388535) internal successors, (1534), 797 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:56,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1534 transitions. [2022-12-14 09:29:56,478 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1534 transitions. Word has length 12 [2022-12-14 09:29:56,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:56,479 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 1534 transitions. [2022-12-14 09:29:56,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1534 transitions. [2022-12-14 09:29:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:29:56,479 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:56,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:56,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:29:56,479 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:56,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:56,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1447160707, now seen corresponding path program 6 times [2022-12-14 09:29:56,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:56,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623461508] [2022-12-14 09:29:56,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:56,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:56,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:56,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623461508] [2022-12-14 09:29:56,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623461508] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:56,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:56,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:29:56,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770482360] [2022-12-14 09:29:56,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:56,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:29:56,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:56,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:29:56,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:29:56,773 INFO L87 Difference]: Start difference. First operand 798 states and 1534 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:57,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:57,789 INFO L93 Difference]: Finished difference Result 1625 states and 3104 transitions. [2022-12-14 09:29:57,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 09:29:57,789 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:29:57,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:57,792 INFO L225 Difference]: With dead ends: 1625 [2022-12-14 09:29:57,793 INFO L226 Difference]: Without dead ends: 1625 [2022-12-14 09:29:57,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-12-14 09:29:57,793 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 227 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:57,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 31 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:29:57,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2022-12-14 09:29:57,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 799. [2022-12-14 09:29:57,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 786 states have (on average 1.9541984732824427) internal successors, (1536), 798 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1536 transitions. [2022-12-14 09:29:57,809 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1536 transitions. Word has length 12 [2022-12-14 09:29:57,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:57,809 INFO L495 AbstractCegarLoop]: Abstraction has 799 states and 1536 transitions. [2022-12-14 09:29:57,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1536 transitions. [2022-12-14 09:29:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:29:57,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:57,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:57,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 09:29:57,810 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:57,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:57,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1747453987, now seen corresponding path program 7 times [2022-12-14 09:29:57,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:57,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763333196] [2022-12-14 09:29:57,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:57,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:58,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:58,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763333196] [2022-12-14 09:29:58,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763333196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:58,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:58,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:29:58,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837478002] [2022-12-14 09:29:58,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:58,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:29:58,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:58,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:29:58,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:29:58,117 INFO L87 Difference]: Start difference. First operand 799 states and 1536 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:59,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:29:59,004 INFO L93 Difference]: Finished difference Result 1551 states and 2959 transitions. [2022-12-14 09:29:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 09:29:59,004 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:29:59,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:29:59,007 INFO L225 Difference]: With dead ends: 1551 [2022-12-14 09:29:59,007 INFO L226 Difference]: Without dead ends: 1551 [2022-12-14 09:29:59,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-12-14 09:29:59,008 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 193 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:29:59,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 28 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:29:59,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2022-12-14 09:29:59,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 797. [2022-12-14 09:29:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 784 states have (on average 1.9540816326530612) internal successors, (1532), 796 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:59,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1532 transitions. [2022-12-14 09:29:59,019 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1532 transitions. Word has length 12 [2022-12-14 09:29:59,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:29:59,019 INFO L495 AbstractCegarLoop]: Abstraction has 797 states and 1532 transitions. [2022-12-14 09:29:59,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:29:59,019 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1532 transitions. [2022-12-14 09:29:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:29:59,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:29:59,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:29:59,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 09:29:59,020 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:29:59,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:29:59,020 INFO L85 PathProgramCache]: Analyzing trace with hash -568662859, now seen corresponding path program 8 times [2022-12-14 09:29:59,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:29:59,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877322232] [2022-12-14 09:29:59,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:29:59,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:29:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:29:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:29:59,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:29:59,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877322232] [2022-12-14 09:29:59,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877322232] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:29:59,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:29:59,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:29:59,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226783883] [2022-12-14 09:29:59,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:29:59,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:29:59,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:29:59,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:29:59,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:29:59,324 INFO L87 Difference]: Start difference. First operand 797 states and 1532 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:00,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:00,330 INFO L93 Difference]: Finished difference Result 1579 states and 3016 transitions. [2022-12-14 09:30:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 09:30:00,330 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:30:00,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:00,334 INFO L225 Difference]: With dead ends: 1579 [2022-12-14 09:30:00,334 INFO L226 Difference]: Without dead ends: 1579 [2022-12-14 09:30:00,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2022-12-14 09:30:00,334 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 191 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:00,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 34 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:30:00,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2022-12-14 09:30:00,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 782. [2022-12-14 09:30:00,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 769 states have (on average 1.953185955786736) internal successors, (1502), 781 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1502 transitions. [2022-12-14 09:30:00,345 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1502 transitions. Word has length 12 [2022-12-14 09:30:00,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:00,345 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 1502 transitions. [2022-12-14 09:30:00,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:00,345 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1502 transitions. [2022-12-14 09:30:00,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:30:00,345 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:00,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:00,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 09:30:00,345 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:00,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:00,346 INFO L85 PathProgramCache]: Analyzing trace with hash -868956139, now seen corresponding path program 9 times [2022-12-14 09:30:00,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:00,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685460648] [2022-12-14 09:30:00,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:00,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:00,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:00,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685460648] [2022-12-14 09:30:00,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685460648] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:00,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:00,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:30:00,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204003342] [2022-12-14 09:30:00,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:00,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:30:00,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:00,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:30:00,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:30:00,622 INFO L87 Difference]: Start difference. First operand 782 states and 1502 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:01,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:01,556 INFO L93 Difference]: Finished difference Result 1572 states and 3001 transitions. [2022-12-14 09:30:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 09:30:01,557 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:30:01,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:01,560 INFO L225 Difference]: With dead ends: 1572 [2022-12-14 09:30:01,560 INFO L226 Difference]: Without dead ends: 1572 [2022-12-14 09:30:01,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2022-12-14 09:30:01,561 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 229 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:01,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 31 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:30:01,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2022-12-14 09:30:01,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 781. [2022-12-14 09:30:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 768 states have (on average 1.953125) internal successors, (1500), 780 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1500 transitions. [2022-12-14 09:30:01,577 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1500 transitions. Word has length 12 [2022-12-14 09:30:01,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:01,577 INFO L495 AbstractCegarLoop]: Abstraction has 781 states and 1500 transitions. [2022-12-14 09:30:01,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1500 transitions. [2022-12-14 09:30:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:30:01,578 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:01,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:01,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 09:30:01,578 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:01,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:01,579 INFO L85 PathProgramCache]: Analyzing trace with hash -230537357, now seen corresponding path program 10 times [2022-12-14 09:30:01,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:01,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218819851] [2022-12-14 09:30:01,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:01,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:01,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:01,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218819851] [2022-12-14 09:30:01,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218819851] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:01,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:01,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:30:01,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583820168] [2022-12-14 09:30:01,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:01,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:30:01,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:01,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:30:01,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:30:01,865 INFO L87 Difference]: Start difference. First operand 781 states and 1500 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:02,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:02,821 INFO L93 Difference]: Finished difference Result 1518 states and 2897 transitions. [2022-12-14 09:30:02,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 09:30:02,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 09:30:02,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:02,825 INFO L225 Difference]: With dead ends: 1518 [2022-12-14 09:30:02,825 INFO L226 Difference]: Without dead ends: 1518 [2022-12-14 09:30:02,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-12-14 09:30:02,825 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 227 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:02,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 33 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1115 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:30:02,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2022-12-14 09:30:02,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 727. [2022-12-14 09:30:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 715 states have (on average 1.951048951048951) internal successors, (1395), 726 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1395 transitions. [2022-12-14 09:30:02,841 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1395 transitions. Word has length 12 [2022-12-14 09:30:02,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:02,841 INFO L495 AbstractCegarLoop]: Abstraction has 727 states and 1395 transitions. [2022-12-14 09:30:02,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1395 transitions. [2022-12-14 09:30:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 09:30:02,842 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:02,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:02,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 09:30:02,842 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:02,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:02,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1556714895, now seen corresponding path program 1 times [2022-12-14 09:30:02,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:02,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072435847] [2022-12-14 09:30:02,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:02,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:03,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:03,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072435847] [2022-12-14 09:30:03,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072435847] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:03,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:03,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:30:03,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943129054] [2022-12-14 09:30:03,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:03,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:30:03,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:03,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:30:03,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:30:03,047 INFO L87 Difference]: Start difference. First operand 727 states and 1395 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) [2022-12-14 09:30:03,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:03,472 INFO L93 Difference]: Finished difference Result 780 states and 1497 transitions. [2022-12-14 09:30:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:30:03,472 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 [2022-12-14 09:30:03,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:03,474 INFO L225 Difference]: With dead ends: 780 [2022-12-14 09:30:03,474 INFO L226 Difference]: Without dead ends: 780 [2022-12-14 09:30:03,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:30:03,474 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 32 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:03,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 34 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:30:03,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2022-12-14 09:30:03,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2022-12-14 09:30:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 768 states have (on average 1.94921875) internal successors, (1497), 779 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1497 transitions. [2022-12-14 09:30:03,482 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1497 transitions. Word has length 15 [2022-12-14 09:30:03,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:03,482 INFO L495 AbstractCegarLoop]: Abstraction has 780 states and 1497 transitions. [2022-12-14 09:30:03,482 INFO L496 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) [2022-12-14 09:30:03,482 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1497 transitions. [2022-12-14 09:30:03,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 09:30:03,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:03,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:03,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 09:30:03,482 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:03,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:03,483 INFO L85 PathProgramCache]: Analyzing trace with hash 88330129, now seen corresponding path program 1 times [2022-12-14 09:30:03,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:03,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958826218] [2022-12-14 09:30:03,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:03,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:03,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:03,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:03,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958826218] [2022-12-14 09:30:03,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958826218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:03,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:03,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:30:03,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14355598] [2022-12-14 09:30:03,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:03,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:30:03,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:03,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:30:03,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:30:03,660 INFO L87 Difference]: Start difference. First operand 780 states and 1497 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) [2022-12-14 09:30:04,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:04,067 INFO L93 Difference]: Finished difference Result 1025 states and 1940 transitions. [2022-12-14 09:30:04,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:30:04,067 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 [2022-12-14 09:30:04,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:04,069 INFO L225 Difference]: With dead ends: 1025 [2022-12-14 09:30:04,069 INFO L226 Difference]: Without dead ends: 999 [2022-12-14 09:30:04,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:30:04,070 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 73 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:04,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 38 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:30:04,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2022-12-14 09:30:04,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 885. [2022-12-14 09:30:04,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 873 states have (on average 1.9484536082474226) internal successors, (1701), 884 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1701 transitions. [2022-12-14 09:30:04,080 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1701 transitions. Word has length 15 [2022-12-14 09:30:04,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:04,080 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1701 transitions. [2022-12-14 09:30:04,080 INFO L496 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) [2022-12-14 09:30:04,080 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1701 transitions. [2022-12-14 09:30:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:04,080 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:04,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:04,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 09:30:04,081 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:04,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:04,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1944054215, now seen corresponding path program 1 times [2022-12-14 09:30:04,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:04,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862566304] [2022-12-14 09:30:04,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:04,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:04,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:04,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862566304] [2022-12-14 09:30:04,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862566304] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:04,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:04,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:30:04,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966005072] [2022-12-14 09:30:04,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:04,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:30:04,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:04,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:30:04,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:30:04,357 INFO L87 Difference]: Start difference. First operand 885 states and 1701 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:05,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:05,029 INFO L93 Difference]: Finished difference Result 911 states and 1720 transitions. [2022-12-14 09:30:05,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 09:30:05,029 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:05,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:05,032 INFO L225 Difference]: With dead ends: 911 [2022-12-14 09:30:05,032 INFO L226 Difference]: Without dead ends: 911 [2022-12-14 09:30:05,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2022-12-14 09:30:05,033 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 244 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:05,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 43 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 09:30:05,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2022-12-14 09:30:05,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 855. [2022-12-14 09:30:05,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 843 states have (on average 1.9466192170818506) internal successors, (1641), 854 states have internal predecessors, (1641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:05,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1641 transitions. [2022-12-14 09:30:05,043 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1641 transitions. Word has length 18 [2022-12-14 09:30:05,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:05,043 INFO L495 AbstractCegarLoop]: Abstraction has 855 states and 1641 transitions. [2022-12-14 09:30:05,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:05,043 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1641 transitions. [2022-12-14 09:30:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:05,043 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:05,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:05,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 09:30:05,044 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:05,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:05,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1544327256, now seen corresponding path program 1 times [2022-12-14 09:30:05,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:05,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717968841] [2022-12-14 09:30:05,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:05,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:05,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:05,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:05,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717968841] [2022-12-14 09:30:05,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717968841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:05,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:05,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:05,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139835033] [2022-12-14 09:30:05,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:05,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:05,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:05,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:05,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:05,656 INFO L87 Difference]: Start difference. First operand 855 states and 1641 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:06,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:06,780 INFO L93 Difference]: Finished difference Result 1173 states and 2250 transitions. [2022-12-14 09:30:06,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 09:30:06,781 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:06,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:06,783 INFO L225 Difference]: With dead ends: 1173 [2022-12-14 09:30:06,783 INFO L226 Difference]: Without dead ends: 1173 [2022-12-14 09:30:06,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2022-12-14 09:30:06,784 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 195 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:06,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 109 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:30:06,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-12-14 09:30:06,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 886. [2022-12-14 09:30:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 874 states have (on average 1.948512585812357) internal successors, (1703), 885 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1703 transitions. [2022-12-14 09:30:06,802 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1703 transitions. Word has length 18 [2022-12-14 09:30:06,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:06,802 INFO L495 AbstractCegarLoop]: Abstraction has 886 states and 1703 transitions. [2022-12-14 09:30:06,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:06,802 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1703 transitions. [2022-12-14 09:30:06,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:06,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:06,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:06,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 09:30:06,803 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:06,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:06,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1881483572, now seen corresponding path program 2 times [2022-12-14 09:30:06,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:06,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944609706] [2022-12-14 09:30:06,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:06,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:07,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:07,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944609706] [2022-12-14 09:30:07,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944609706] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:07,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:07,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:07,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306771081] [2022-12-14 09:30:07,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:07,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:07,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:07,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:07,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:07,459 INFO L87 Difference]: Start difference. First operand 886 states and 1703 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:08,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:08,774 INFO L93 Difference]: Finished difference Result 1197 states and 2296 transitions. [2022-12-14 09:30:08,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:30:08,774 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:08,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:08,777 INFO L225 Difference]: With dead ends: 1197 [2022-12-14 09:30:08,777 INFO L226 Difference]: Without dead ends: 1197 [2022-12-14 09:30:08,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:30:08,778 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 204 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:08,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 112 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:30:08,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-12-14 09:30:08,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 895. [2022-12-14 09:30:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 883 states have (on average 1.9490373725934316) internal successors, (1721), 894 states have internal predecessors, (1721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:08,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1721 transitions. [2022-12-14 09:30:08,794 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1721 transitions. Word has length 18 [2022-12-14 09:30:08,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:08,794 INFO L495 AbstractCegarLoop]: Abstraction has 895 states and 1721 transitions. [2022-12-14 09:30:08,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:08,794 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1721 transitions. [2022-12-14 09:30:08,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:08,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:08,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:08,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 09:30:08,795 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:08,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:08,796 INFO L85 PathProgramCache]: Analyzing trace with hash -903951306, now seen corresponding path program 3 times [2022-12-14 09:30:08,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:08,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738711945] [2022-12-14 09:30:08,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:08,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:09,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:09,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738711945] [2022-12-14 09:30:09,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738711945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:09,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:09,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:09,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620013636] [2022-12-14 09:30:09,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:09,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:09,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:09,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:09,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:09,311 INFO L87 Difference]: Start difference. First operand 895 states and 1721 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:10,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:10,379 INFO L93 Difference]: Finished difference Result 1226 states and 2352 transitions. [2022-12-14 09:30:10,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-14 09:30:10,379 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:10,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:10,381 INFO L225 Difference]: With dead ends: 1226 [2022-12-14 09:30:10,381 INFO L226 Difference]: Without dead ends: 1226 [2022-12-14 09:30:10,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=301, Invalid=691, Unknown=0, NotChecked=0, Total=992 [2022-12-14 09:30:10,382 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 212 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:10,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 109 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:30:10,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2022-12-14 09:30:10,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 904. [2022-12-14 09:30:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 892 states have (on average 1.9495515695067265) internal successors, (1739), 903 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1739 transitions. [2022-12-14 09:30:10,392 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1739 transitions. Word has length 18 [2022-12-14 09:30:10,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:10,393 INFO L495 AbstractCegarLoop]: Abstraction has 904 states and 1739 transitions. [2022-12-14 09:30:10,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:10,393 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1739 transitions. [2022-12-14 09:30:10,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:10,393 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:10,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:10,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 09:30:10,393 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:10,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:10,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1904262414, now seen corresponding path program 4 times [2022-12-14 09:30:10,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:10,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233508741] [2022-12-14 09:30:10,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:10,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:10,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:10,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:10,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233508741] [2022-12-14 09:30:10,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233508741] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:10,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:10,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:10,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060415769] [2022-12-14 09:30:10,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:10,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:10,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:10,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:10,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:10,889 INFO L87 Difference]: Start difference. First operand 904 states and 1739 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:12,191 INFO L93 Difference]: Finished difference Result 1254 states and 2406 transitions. [2022-12-14 09:30:12,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-14 09:30:12,191 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:12,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:12,193 INFO L225 Difference]: With dead ends: 1254 [2022-12-14 09:30:12,193 INFO L226 Difference]: Without dead ends: 1254 [2022-12-14 09:30:12,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=351, Invalid=839, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 09:30:12,194 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 220 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:12,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 111 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:30:12,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2022-12-14 09:30:12,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 913. [2022-12-14 09:30:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 901 states have (on average 1.9500554938956716) internal successors, (1757), 912 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1757 transitions. [2022-12-14 09:30:12,204 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1757 transitions. Word has length 18 [2022-12-14 09:30:12,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:12,204 INFO L495 AbstractCegarLoop]: Abstraction has 913 states and 1757 transitions. [2022-12-14 09:30:12,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1757 transitions. [2022-12-14 09:30:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:12,204 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:12,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:12,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 09:30:12,205 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:12,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:12,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1904840377, now seen corresponding path program 1 times [2022-12-14 09:30:12,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:12,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486676465] [2022-12-14 09:30:12,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:12,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:12,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:12,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:12,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486676465] [2022-12-14 09:30:12,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486676465] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:12,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:12,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:12,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423314838] [2022-12-14 09:30:12,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:12,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:12,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:12,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:12,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:12,689 INFO L87 Difference]: Start difference. First operand 913 states and 1757 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:14,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:14,000 INFO L93 Difference]: Finished difference Result 1808 states and 3409 transitions. [2022-12-14 09:30:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-14 09:30:14,000 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:14,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:14,002 INFO L225 Difference]: With dead ends: 1808 [2022-12-14 09:30:14,003 INFO L226 Difference]: Without dead ends: 1808 [2022-12-14 09:30:14,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:30:14,003 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 475 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:14,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 146 Invalid, 1617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 09:30:14,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2022-12-14 09:30:14,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1037. [2022-12-14 09:30:14,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1025 states have (on average 1.96) internal successors, (2009), 1036 states have internal predecessors, (2009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 2009 transitions. [2022-12-14 09:30:14,019 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 2009 transitions. Word has length 18 [2022-12-14 09:30:14,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:14,020 INFO L495 AbstractCegarLoop]: Abstraction has 1037 states and 2009 transitions. [2022-12-14 09:30:14,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 2009 transitions. [2022-12-14 09:30:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:14,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:14,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:14,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 09:30:14,020 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:14,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:14,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1384951306, now seen corresponding path program 5 times [2022-12-14 09:30:14,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:14,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914173877] [2022-12-14 09:30:14,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:14,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:14,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:14,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914173877] [2022-12-14 09:30:14,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914173877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:14,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:14,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:14,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652118792] [2022-12-14 09:30:14,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:14,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:14,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:14,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:14,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:14,404 INFO L87 Difference]: Start difference. First operand 1037 states and 2009 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:15,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:15,498 INFO L93 Difference]: Finished difference Result 1667 states and 3187 transitions. [2022-12-14 09:30:15,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-14 09:30:15,499 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:15,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:15,501 INFO L225 Difference]: With dead ends: 1667 [2022-12-14 09:30:15,501 INFO L226 Difference]: Without dead ends: 1667 [2022-12-14 09:30:15,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=305, Invalid=687, Unknown=0, NotChecked=0, Total=992 [2022-12-14 09:30:15,501 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 238 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:15,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 190 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:30:15,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2022-12-14 09:30:15,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1025. [2022-12-14 09:30:15,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 1013 states have (on average 1.9595261599210267) internal successors, (1985), 1024 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:15,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1985 transitions. [2022-12-14 09:30:15,513 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1985 transitions. Word has length 18 [2022-12-14 09:30:15,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:15,513 INFO L495 AbstractCegarLoop]: Abstraction has 1025 states and 1985 transitions. [2022-12-14 09:30:15,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:15,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1985 transitions. [2022-12-14 09:30:15,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:15,514 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:15,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:15,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 09:30:15,514 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:15,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:15,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1614437292, now seen corresponding path program 6 times [2022-12-14 09:30:15,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:15,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425015729] [2022-12-14 09:30:15,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:15,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:16,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:16,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425015729] [2022-12-14 09:30:16,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425015729] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:16,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:16,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:16,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506764833] [2022-12-14 09:30:16,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:16,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:16,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:16,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:16,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:16,105 INFO L87 Difference]: Start difference. First operand 1025 states and 1985 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:16,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:16,930 INFO L93 Difference]: Finished difference Result 1100 states and 2111 transitions. [2022-12-14 09:30:16,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 09:30:16,930 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:16,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:16,932 INFO L225 Difference]: With dead ends: 1100 [2022-12-14 09:30:16,932 INFO L226 Difference]: Without dead ends: 1100 [2022-12-14 09:30:16,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2022-12-14 09:30:16,933 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 161 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:16,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 70 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:30:16,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2022-12-14 09:30:16,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1035. [2022-12-14 09:30:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1023 states have (on average 1.959921798631476) internal successors, (2005), 1034 states have internal predecessors, (2005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 2005 transitions. [2022-12-14 09:30:16,943 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 2005 transitions. Word has length 18 [2022-12-14 09:30:16,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:16,943 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 2005 transitions. [2022-12-14 09:30:16,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2005 transitions. [2022-12-14 09:30:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:16,943 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:16,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:16,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 09:30:16,944 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:16,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:16,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1811373536, now seen corresponding path program 7 times [2022-12-14 09:30:16,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:16,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392702202] [2022-12-14 09:30:16,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:16,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:17,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:17,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392702202] [2022-12-14 09:30:17,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392702202] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:17,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:17,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:17,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302692667] [2022-12-14 09:30:17,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:17,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:17,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:17,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:17,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:17,388 INFO L87 Difference]: Start difference. First operand 1035 states and 2005 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:18,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:18,418 INFO L93 Difference]: Finished difference Result 1119 states and 2147 transitions. [2022-12-14 09:30:18,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:30:18,418 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:18,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:18,420 INFO L225 Difference]: With dead ends: 1119 [2022-12-14 09:30:18,420 INFO L226 Difference]: Without dead ends: 1119 [2022-12-14 09:30:18,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=558, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:30:18,420 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 170 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:18,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 72 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:30:18,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2022-12-14 09:30:18,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1030. [2022-12-14 09:30:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1018 states have (on average 1.9597249508840864) internal successors, (1995), 1029 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1995 transitions. [2022-12-14 09:30:18,431 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1995 transitions. Word has length 18 [2022-12-14 09:30:18,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:18,431 INFO L495 AbstractCegarLoop]: Abstraction has 1030 states and 1995 transitions. [2022-12-14 09:30:18,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1995 transitions. [2022-12-14 09:30:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:18,432 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:18,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:18,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 09:30:18,432 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:18,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:18,432 INFO L85 PathProgramCache]: Analyzing trace with hash -833841270, now seen corresponding path program 8 times [2022-12-14 09:30:18,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:18,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785096451] [2022-12-14 09:30:18,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:18,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:18,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:18,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785096451] [2022-12-14 09:30:18,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785096451] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:18,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:18,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:18,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284806917] [2022-12-14 09:30:18,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:18,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:18,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:18,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:18,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:18,924 INFO L87 Difference]: Start difference. First operand 1030 states and 1995 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:20,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:20,078 INFO L93 Difference]: Finished difference Result 1132 states and 2171 transitions. [2022-12-14 09:30:20,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-14 09:30:20,078 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:20,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:20,080 INFO L225 Difference]: With dead ends: 1132 [2022-12-14 09:30:20,080 INFO L226 Difference]: Without dead ends: 1132 [2022-12-14 09:30:20,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=398, Invalid=862, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 09:30:20,081 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 185 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:20,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 71 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:30:20,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-12-14 09:30:20,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1010. [2022-12-14 09:30:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 998 states have (on average 1.9589178356713426) internal successors, (1955), 1009 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1955 transitions. [2022-12-14 09:30:20,091 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1955 transitions. Word has length 18 [2022-12-14 09:30:20,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:20,091 INFO L495 AbstractCegarLoop]: Abstraction has 1010 states and 1955 transitions. [2022-12-14 09:30:20,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1955 transitions. [2022-12-14 09:30:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:20,092 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:20,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:20,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 09:30:20,092 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:20,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:20,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1974372450, now seen corresponding path program 9 times [2022-12-14 09:30:20,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:20,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744698180] [2022-12-14 09:30:20,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:20,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:20,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:20,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744698180] [2022-12-14 09:30:20,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744698180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:20,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:20,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:20,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665998384] [2022-12-14 09:30:20,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:20,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:20,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:20,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:20,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:20,507 INFO L87 Difference]: Start difference. First operand 1010 states and 1955 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:21,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:21,949 INFO L93 Difference]: Finished difference Result 1111 states and 2123 transitions. [2022-12-14 09:30:21,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-14 09:30:21,949 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:21,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:21,950 INFO L225 Difference]: With dead ends: 1111 [2022-12-14 09:30:21,950 INFO L226 Difference]: Without dead ends: 1111 [2022-12-14 09:30:21,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=455, Invalid=1027, Unknown=0, NotChecked=0, Total=1482 [2022-12-14 09:30:21,951 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 189 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:21,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 72 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:30:21,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2022-12-14 09:30:21,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 981. [2022-12-14 09:30:21,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 969 states have (on average 1.9535603715170278) internal successors, (1893), 980 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1893 transitions. [2022-12-14 09:30:21,965 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1893 transitions. Word has length 18 [2022-12-14 09:30:21,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:21,965 INFO L495 AbstractCegarLoop]: Abstraction has 981 states and 1893 transitions. [2022-12-14 09:30:21,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:21,965 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1893 transitions. [2022-12-14 09:30:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:21,966 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:21,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:21,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 09:30:21,966 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:21,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:21,967 INFO L85 PathProgramCache]: Analyzing trace with hash -888358540, now seen corresponding path program 10 times [2022-12-14 09:30:21,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:21,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262799304] [2022-12-14 09:30:21,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:21,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:22,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:22,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262799304] [2022-12-14 09:30:22,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262799304] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:22,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:22,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:22,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496370304] [2022-12-14 09:30:22,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:22,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:22,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:22,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:22,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:22,494 INFO L87 Difference]: Start difference. First operand 981 states and 1893 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:23,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:23,518 INFO L93 Difference]: Finished difference Result 1692 states and 3276 transitions. [2022-12-14 09:30:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 09:30:23,519 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:23,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:23,522 INFO L225 Difference]: With dead ends: 1692 [2022-12-14 09:30:23,522 INFO L226 Difference]: Without dead ends: 1692 [2022-12-14 09:30:23,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2022-12-14 09:30:23,522 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 206 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:23,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 130 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:30:23,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2022-12-14 09:30:23,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1017. [2022-12-14 09:30:23,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1017 states, 1005 states have (on average 1.955223880597015) internal successors, (1965), 1016 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1965 transitions. [2022-12-14 09:30:23,535 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1965 transitions. Word has length 18 [2022-12-14 09:30:23,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:23,535 INFO L495 AbstractCegarLoop]: Abstraction has 1017 states and 1965 transitions. [2022-12-14 09:30:23,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1965 transitions. [2022-12-14 09:30:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:23,536 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:23,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:23,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 09:30:23,536 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:23,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:23,536 INFO L85 PathProgramCache]: Analyzing trace with hash -19202072, now seen corresponding path program 11 times [2022-12-14 09:30:23,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:23,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417104720] [2022-12-14 09:30:23,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:23,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:24,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:24,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417104720] [2022-12-14 09:30:24,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417104720] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:24,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:24,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:24,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244657082] [2022-12-14 09:30:24,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:24,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:24,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:24,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:24,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:24,142 INFO L87 Difference]: Start difference. First operand 1017 states and 1965 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:25,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:25,313 INFO L93 Difference]: Finished difference Result 1716 states and 3322 transitions. [2022-12-14 09:30:25,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:30:25,313 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:25,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:25,315 INFO L225 Difference]: With dead ends: 1716 [2022-12-14 09:30:25,315 INFO L226 Difference]: Without dead ends: 1716 [2022-12-14 09:30:25,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:30:25,316 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 210 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:25,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 131 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:30:25,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-12-14 09:30:25,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1026. [2022-12-14 09:30:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 1014 states have (on average 1.955621301775148) internal successors, (1983), 1025 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1983 transitions. [2022-12-14 09:30:25,327 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1983 transitions. Word has length 18 [2022-12-14 09:30:25,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:25,327 INFO L495 AbstractCegarLoop]: Abstraction has 1026 states and 1983 transitions. [2022-12-14 09:30:25,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1983 transitions. [2022-12-14 09:30:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:25,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:25,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:25,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 09:30:25,328 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:25,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:25,328 INFO L85 PathProgramCache]: Analyzing trace with hash 958330194, now seen corresponding path program 12 times [2022-12-14 09:30:25,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:25,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010030927] [2022-12-14 09:30:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:25,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:25,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:25,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010030927] [2022-12-14 09:30:25,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010030927] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:25,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:25,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:25,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172852532] [2022-12-14 09:30:25,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:25,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:25,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:25,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:25,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:25,861 INFO L87 Difference]: Start difference. First operand 1026 states and 1983 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:26,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:26,947 INFO L93 Difference]: Finished difference Result 1745 states and 3378 transitions. [2022-12-14 09:30:26,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-14 09:30:26,947 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:26,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:26,949 INFO L225 Difference]: With dead ends: 1745 [2022-12-14 09:30:26,949 INFO L226 Difference]: Without dead ends: 1745 [2022-12-14 09:30:26,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=716, Unknown=0, NotChecked=0, Total=992 [2022-12-14 09:30:26,950 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 220 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:26,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 130 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:30:26,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2022-12-14 09:30:26,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1035. [2022-12-14 09:30:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1023 states have (on average 1.9560117302052786) internal successors, (2001), 1034 states have internal predecessors, (2001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 2001 transitions. [2022-12-14 09:30:26,963 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 2001 transitions. Word has length 18 [2022-12-14 09:30:26,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:26,963 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 2001 transitions. [2022-12-14 09:30:26,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2001 transitions. [2022-12-14 09:30:26,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:26,964 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:26,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:26,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 09:30:26,964 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:26,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:26,964 INFO L85 PathProgramCache]: Analyzing trace with hash -528423382, now seen corresponding path program 13 times [2022-12-14 09:30:26,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:26,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386884847] [2022-12-14 09:30:26,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:26,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:27,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:27,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:27,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386884847] [2022-12-14 09:30:27,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386884847] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:27,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:27,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:27,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371875173] [2022-12-14 09:30:27,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:27,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:27,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:27,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:27,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:27,654 INFO L87 Difference]: Start difference. First operand 1035 states and 2001 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:29,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:29,079 INFO L93 Difference]: Finished difference Result 1773 states and 3432 transitions. [2022-12-14 09:30:29,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-14 09:30:29,080 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:29,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:29,081 INFO L225 Difference]: With dead ends: 1773 [2022-12-14 09:30:29,082 INFO L226 Difference]: Without dead ends: 1773 [2022-12-14 09:30:29,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=321, Invalid=869, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 09:30:29,082 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 228 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:29,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 131 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:30:29,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2022-12-14 09:30:29,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1044. [2022-12-14 09:30:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1032 states have (on average 1.9563953488372092) internal successors, (2019), 1043 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 2019 transitions. [2022-12-14 09:30:29,093 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 2019 transitions. Word has length 18 [2022-12-14 09:30:29,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:29,093 INFO L495 AbstractCegarLoop]: Abstraction has 1044 states and 2019 transitions. [2022-12-14 09:30:29,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 2019 transitions. [2022-12-14 09:30:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:29,094 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:29,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:29,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 09:30:29,094 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:29,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:29,094 INFO L85 PathProgramCache]: Analyzing trace with hash -42558877, now seen corresponding path program 2 times [2022-12-14 09:30:29,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:29,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920253446] [2022-12-14 09:30:29,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:29,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:29,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:29,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920253446] [2022-12-14 09:30:29,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920253446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:29,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:29,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:29,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848612118] [2022-12-14 09:30:29,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:29,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:29,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:29,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:29,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:29,818 INFO L87 Difference]: Start difference. First operand 1044 states and 2019 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:31,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:31,422 INFO L93 Difference]: Finished difference Result 1933 states and 3676 transitions. [2022-12-14 09:30:31,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 09:30:31,422 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:31,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:31,424 INFO L225 Difference]: With dead ends: 1933 [2022-12-14 09:30:31,424 INFO L226 Difference]: Without dead ends: 1933 [2022-12-14 09:30:31,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-12-14 09:30:31,425 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 267 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:31,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 214 Invalid, 2021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 09:30:31,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2022-12-14 09:30:31,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1032. [2022-12-14 09:30:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1020 states have (on average 1.9598039215686274) internal successors, (1999), 1031 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1999 transitions. [2022-12-14 09:30:31,437 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1999 transitions. Word has length 18 [2022-12-14 09:30:31,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:31,437 INFO L495 AbstractCegarLoop]: Abstraction has 1032 states and 1999 transitions. [2022-12-14 09:30:31,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:31,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1999 transitions. [2022-12-14 09:30:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:31,438 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:31,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:31,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 09:30:31,438 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:31,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:31,438 INFO L85 PathProgramCache]: Analyzing trace with hash 477330194, now seen corresponding path program 14 times [2022-12-14 09:30:31,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:31,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011489264] [2022-12-14 09:30:31,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:31,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:31,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:31,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:31,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011489264] [2022-12-14 09:30:31,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011489264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:31,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:31,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:31,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547068020] [2022-12-14 09:30:31,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:31,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:31,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:31,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:31,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:31,889 INFO L87 Difference]: Start difference. First operand 1032 states and 1999 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:32,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:32,631 INFO L93 Difference]: Finished difference Result 1701 states and 3265 transitions. [2022-12-14 09:30:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 09:30:32,632 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:32,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:32,633 INFO L225 Difference]: With dead ends: 1701 [2022-12-14 09:30:32,633 INFO L226 Difference]: Without dead ends: 1701 [2022-12-14 09:30:32,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-12-14 09:30:32,634 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 201 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:32,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 199 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:30:32,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2022-12-14 09:30:32,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 986. [2022-12-14 09:30:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 974 states have (on average 1.9537987679671458) internal successors, (1903), 985 states have internal predecessors, (1903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1903 transitions. [2022-12-14 09:30:32,644 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1903 transitions. Word has length 18 [2022-12-14 09:30:32,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:32,644 INFO L495 AbstractCegarLoop]: Abstraction has 986 states and 1903 transitions. [2022-12-14 09:30:32,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1903 transitions. [2022-12-14 09:30:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:32,645 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:32,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:32,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 09:30:32,645 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:32,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:32,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1097384581, now seen corresponding path program 3 times [2022-12-14 09:30:32,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:32,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220520685] [2022-12-14 09:30:32,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:32,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:33,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:33,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220520685] [2022-12-14 09:30:33,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220520685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:33,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:33,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:33,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569898082] [2022-12-14 09:30:33,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:33,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:33,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:33,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:33,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:33,278 INFO L87 Difference]: Start difference. First operand 986 states and 1903 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:34,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:34,902 INFO L93 Difference]: Finished difference Result 2525 states and 4765 transitions. [2022-12-14 09:30:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 09:30:34,902 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:34,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:34,904 INFO L225 Difference]: With dead ends: 2525 [2022-12-14 09:30:34,905 INFO L226 Difference]: Without dead ends: 2517 [2022-12-14 09:30:34,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=661, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:30:34,905 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 322 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 2012 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 2012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:34,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 245 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 2012 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 09:30:34,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2022-12-14 09:30:34,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 1099. [2022-12-14 09:30:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1087 states have (on average 1.967801287948482) internal successors, (2139), 1098 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2139 transitions. [2022-12-14 09:30:34,919 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2139 transitions. Word has length 18 [2022-12-14 09:30:34,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:34,919 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2139 transitions. [2022-12-14 09:30:34,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2139 transitions. [2022-12-14 09:30:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:34,920 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:34,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:34,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 09:30:34,920 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:34,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:34,921 INFO L85 PathProgramCache]: Analyzing trace with hash -577495510, now seen corresponding path program 15 times [2022-12-14 09:30:34,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:34,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441668116] [2022-12-14 09:30:34,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:34,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:35,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:35,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441668116] [2022-12-14 09:30:35,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441668116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:35,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:35,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:35,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241675104] [2022-12-14 09:30:35,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:35,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:35,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:35,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:35,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:35,276 INFO L87 Difference]: Start difference. First operand 1099 states and 2139 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:36,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:36,391 INFO L93 Difference]: Finished difference Result 2156 states and 4127 transitions. [2022-12-14 09:30:36,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 09:30:36,391 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:36,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:36,393 INFO L225 Difference]: With dead ends: 2156 [2022-12-14 09:30:36,393 INFO L226 Difference]: Without dead ends: 2156 [2022-12-14 09:30:36,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:30:36,394 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 244 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 1556 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:36,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 249 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1556 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:30:36,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2022-12-14 09:30:36,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 1086. [2022-12-14 09:30:36,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1074 states have (on average 1.9636871508379887) internal successors, (2109), 1085 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 2109 transitions. [2022-12-14 09:30:36,406 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 2109 transitions. Word has length 18 [2022-12-14 09:30:36,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:36,406 INFO L495 AbstractCegarLoop]: Abstraction has 1086 states and 2109 transitions. [2022-12-14 09:30:36,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 2109 transitions. [2022-12-14 09:30:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:36,407 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:36,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:36,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 09:30:36,407 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:36,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1511349893, now seen corresponding path program 4 times [2022-12-14 09:30:36,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:36,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052333120] [2022-12-14 09:30:36,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:36,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:36,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:36,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052333120] [2022-12-14 09:30:36,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052333120] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:36,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:36,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:36,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325841488] [2022-12-14 09:30:36,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:36,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:36,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:36,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:36,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:36,852 INFO L87 Difference]: Start difference. First operand 1086 states and 2109 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:38,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:38,215 INFO L93 Difference]: Finished difference Result 2273 states and 4314 transitions. [2022-12-14 09:30:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 09:30:38,215 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:38,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:38,217 INFO L225 Difference]: With dead ends: 2273 [2022-12-14 09:30:38,217 INFO L226 Difference]: Without dead ends: 2273 [2022-12-14 09:30:38,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:30:38,218 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 239 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 2000 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 2104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:38,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 199 Invalid, 2104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2000 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:30:38,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2022-12-14 09:30:38,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 1081. [2022-12-14 09:30:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1069 states have (on average 1.9635173058933584) internal successors, (2099), 1080 states have internal predecessors, (2099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 2099 transitions. [2022-12-14 09:30:38,231 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 2099 transitions. Word has length 18 [2022-12-14 09:30:38,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:38,231 INFO L495 AbstractCegarLoop]: Abstraction has 1081 states and 2099 transitions. [2022-12-14 09:30:38,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:38,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 2099 transitions. [2022-12-14 09:30:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:38,231 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:38,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:38,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-14 09:30:38,232 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:38,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:38,232 INFO L85 PathProgramCache]: Analyzing trace with hash -621388971, now seen corresponding path program 5 times [2022-12-14 09:30:38,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:38,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761016396] [2022-12-14 09:30:38,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:38,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:38,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:38,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:38,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761016396] [2022-12-14 09:30:38,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761016396] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:38,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:38,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:38,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570611671] [2022-12-14 09:30:38,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:38,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:38,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:38,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:38,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:38,577 INFO L87 Difference]: Start difference. First operand 1081 states and 2099 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:40,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:40,063 INFO L93 Difference]: Finished difference Result 2218 states and 4205 transitions. [2022-12-14 09:30:40,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-14 09:30:40,063 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:40,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:40,065 INFO L225 Difference]: With dead ends: 2218 [2022-12-14 09:30:40,065 INFO L226 Difference]: Without dead ends: 2210 [2022-12-14 09:30:40,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:30:40,066 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 278 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:40,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 195 Invalid, 1967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 09:30:40,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2022-12-14 09:30:40,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 1267. [2022-12-14 09:30:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 1255 states have (on average 1.9880478087649402) internal successors, (2495), 1266 states have internal predecessors, (2495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:40,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 2495 transitions. [2022-12-14 09:30:40,079 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 2495 transitions. Word has length 18 [2022-12-14 09:30:40,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:40,080 INFO L495 AbstractCegarLoop]: Abstraction has 1267 states and 2495 transitions. [2022-12-14 09:30:40,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:40,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 2495 transitions. [2022-12-14 09:30:40,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:40,080 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:40,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:40,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-14 09:30:40,080 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:40,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:40,081 INFO L85 PathProgramCache]: Analyzing trace with hash -261215781, now seen corresponding path program 6 times [2022-12-14 09:30:40,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:40,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950746789] [2022-12-14 09:30:40,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:40,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:40,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:40,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950746789] [2022-12-14 09:30:40,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950746789] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:40,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:40,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:40,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071401689] [2022-12-14 09:30:40,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:40,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:40,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:40,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:40,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:40,560 INFO L87 Difference]: Start difference. First operand 1267 states and 2495 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:41,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:41,912 INFO L93 Difference]: Finished difference Result 2087 states and 3943 transitions. [2022-12-14 09:30:41,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-14 09:30:41,912 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:41,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:41,914 INFO L225 Difference]: With dead ends: 2087 [2022-12-14 09:30:41,914 INFO L226 Difference]: Without dead ends: 2087 [2022-12-14 09:30:41,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:30:41,915 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 249 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:41,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 201 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:30:41,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2022-12-14 09:30:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1257. [2022-12-14 09:30:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 1245 states have (on average 1.9879518072289157) internal successors, (2475), 1256 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 2475 transitions. [2022-12-14 09:30:41,928 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 2475 transitions. Word has length 18 [2022-12-14 09:30:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:41,928 INFO L495 AbstractCegarLoop]: Abstraction has 1257 states and 2475 transitions. [2022-12-14 09:30:41,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 2475 transitions. [2022-12-14 09:30:41,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:41,928 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:41,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:41,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-14 09:30:41,929 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:41,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:41,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1512890246, now seen corresponding path program 16 times [2022-12-14 09:30:41,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:41,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569884447] [2022-12-14 09:30:41,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:41,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:42,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:42,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569884447] [2022-12-14 09:30:42,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569884447] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:42,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:42,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:42,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617772628] [2022-12-14 09:30:42,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:42,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:42,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:42,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:42,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:42,491 INFO L87 Difference]: Start difference. First operand 1257 states and 2475 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:43,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:43,488 INFO L93 Difference]: Finished difference Result 1806 states and 3533 transitions. [2022-12-14 09:30:43,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 09:30:43,488 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:43,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:43,490 INFO L225 Difference]: With dead ends: 1806 [2022-12-14 09:30:43,490 INFO L226 Difference]: Without dead ends: 1806 [2022-12-14 09:30:43,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-12-14 09:30:43,490 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 184 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:43,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 159 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:30:43,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2022-12-14 09:30:43,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1263. [2022-12-14 09:30:43,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 1251 states have (on average 1.9880095923261392) internal successors, (2487), 1262 states have internal predecessors, (2487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 2487 transitions. [2022-12-14 09:30:43,503 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 2487 transitions. Word has length 18 [2022-12-14 09:30:43,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:43,503 INFO L495 AbstractCegarLoop]: Abstraction has 1263 states and 2487 transitions. [2022-12-14 09:30:43,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:43,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 2487 transitions. [2022-12-14 09:30:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:43,504 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:43,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:43,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-14 09:30:43,504 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:43,504 INFO L85 PathProgramCache]: Analyzing trace with hash -643733778, now seen corresponding path program 17 times [2022-12-14 09:30:43,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:43,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901247491] [2022-12-14 09:30:43,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:44,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:44,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901247491] [2022-12-14 09:30:44,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901247491] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:44,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:44,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:44,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838177081] [2022-12-14 09:30:44,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:44,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:44,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:44,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:44,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:44,041 INFO L87 Difference]: Start difference. First operand 1263 states and 2487 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:45,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:45,293 INFO L93 Difference]: Finished difference Result 1830 states and 3579 transitions. [2022-12-14 09:30:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 09:30:45,293 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:45,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:45,295 INFO L225 Difference]: With dead ends: 1830 [2022-12-14 09:30:45,295 INFO L226 Difference]: Without dead ends: 1830 [2022-12-14 09:30:45,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2022-12-14 09:30:45,296 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 196 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:45,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 157 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:30:45,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2022-12-14 09:30:45,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1272. [2022-12-14 09:30:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1260 states have (on average 1.9880952380952381) internal successors, (2505), 1271 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 2505 transitions. [2022-12-14 09:30:45,310 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 2505 transitions. Word has length 18 [2022-12-14 09:30:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:45,310 INFO L495 AbstractCegarLoop]: Abstraction has 1272 states and 2505 transitions. [2022-12-14 09:30:45,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 2505 transitions. [2022-12-14 09:30:45,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:45,310 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:45,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:45,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-14 09:30:45,310 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:45,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:45,311 INFO L85 PathProgramCache]: Analyzing trace with hash 333798488, now seen corresponding path program 18 times [2022-12-14 09:30:45,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:45,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866957826] [2022-12-14 09:30:45,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:45,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:45,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:45,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:45,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866957826] [2022-12-14 09:30:45,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866957826] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:45,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:45,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:45,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138865620] [2022-12-14 09:30:45,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:45,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:45,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:45,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:45,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:45,751 INFO L87 Difference]: Start difference. First operand 1272 states and 2505 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:47,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:47,271 INFO L93 Difference]: Finished difference Result 1859 states and 3635 transitions. [2022-12-14 09:30:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-14 09:30:47,272 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:47,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:47,273 INFO L225 Difference]: With dead ends: 1859 [2022-12-14 09:30:47,273 INFO L226 Difference]: Without dead ends: 1859 [2022-12-14 09:30:47,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2022-12-14 09:30:47,274 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 199 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:47,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 159 Invalid, 1388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:30:47,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1859 states. [2022-12-14 09:30:47,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1859 to 1281. [2022-12-14 09:30:47,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1269 states have (on average 1.988179669030733) internal successors, (2523), 1280 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 2523 transitions. [2022-12-14 09:30:47,287 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 2523 transitions. Word has length 18 [2022-12-14 09:30:47,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:47,288 INFO L495 AbstractCegarLoop]: Abstraction has 1281 states and 2523 transitions. [2022-12-14 09:30:47,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 2523 transitions. [2022-12-14 09:30:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:47,288 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:47,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:47,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-12-14 09:30:47,288 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:47,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:47,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1152955088, now seen corresponding path program 19 times [2022-12-14 09:30:47,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:47,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627303079] [2022-12-14 09:30:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:47,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:47,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:47,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627303079] [2022-12-14 09:30:47,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627303079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:47,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:47,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:47,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263433856] [2022-12-14 09:30:47,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:47,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:47,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:47,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:47,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:47,847 INFO L87 Difference]: Start difference. First operand 1281 states and 2523 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:49,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:49,581 INFO L93 Difference]: Finished difference Result 1887 states and 3689 transitions. [2022-12-14 09:30:49,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-14 09:30:49,581 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:49,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:49,583 INFO L225 Difference]: With dead ends: 1887 [2022-12-14 09:30:49,583 INFO L226 Difference]: Without dead ends: 1887 [2022-12-14 09:30:49,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=277, Invalid=779, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 09:30:49,584 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 203 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:49,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 159 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 09:30:49,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2022-12-14 09:30:49,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1290. [2022-12-14 09:30:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1278 states have (on average 1.988262910798122) internal successors, (2541), 1289 states have internal predecessors, (2541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 2541 transitions. [2022-12-14 09:30:49,597 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 2541 transitions. Word has length 18 [2022-12-14 09:30:49,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:49,597 INFO L495 AbstractCegarLoop]: Abstraction has 1290 states and 2541 transitions. [2022-12-14 09:30:49,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 2541 transitions. [2022-12-14 09:30:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:49,598 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:49,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:49,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-14 09:30:49,598 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:49,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:49,598 INFO L85 PathProgramCache]: Analyzing trace with hash -667090583, now seen corresponding path program 7 times [2022-12-14 09:30:49,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:49,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021779339] [2022-12-14 09:30:49,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:49,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:50,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:50,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:50,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021779339] [2022-12-14 09:30:50,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021779339] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:50,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:50,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:50,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049257279] [2022-12-14 09:30:50,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:50,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:50,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:50,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:50,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:50,100 INFO L87 Difference]: Start difference. First operand 1290 states and 2541 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:51,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:51,595 INFO L93 Difference]: Finished difference Result 2194 states and 4197 transitions. [2022-12-14 09:30:51,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 09:30:51,596 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:51,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:51,598 INFO L225 Difference]: With dead ends: 2194 [2022-12-14 09:30:51,598 INFO L226 Difference]: Without dead ends: 2194 [2022-12-14 09:30:51,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-12-14 09:30:51,598 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 280 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 2031 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:51,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 319 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2031 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 09:30:51,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2194 states. [2022-12-14 09:30:51,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2194 to 1253. [2022-12-14 09:30:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1241 states have (on average 1.991136180499597) internal successors, (2471), 1252 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 2471 transitions. [2022-12-14 09:30:51,614 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 2471 transitions. Word has length 18 [2022-12-14 09:30:51,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:51,614 INFO L495 AbstractCegarLoop]: Abstraction has 1253 states and 2471 transitions. [2022-12-14 09:30:51,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:51,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 2471 transitions. [2022-12-14 09:30:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:51,614 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:51,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:51,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-12-14 09:30:51,614 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:51,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:51,615 INFO L85 PathProgramCache]: Analyzing trace with hash -147201512, now seen corresponding path program 20 times [2022-12-14 09:30:51,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:51,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979738963] [2022-12-14 09:30:51,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:51,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:51,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:51,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979738963] [2022-12-14 09:30:51,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979738963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:51,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:51,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:51,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104610286] [2022-12-14 09:30:51,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:51,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:51,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:51,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:51,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:51,986 INFO L87 Difference]: Start difference. First operand 1253 states and 2471 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:52,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:52,969 INFO L93 Difference]: Finished difference Result 1962 states and 3786 transitions. [2022-12-14 09:30:52,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 09:30:52,970 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:52,972 INFO L225 Difference]: With dead ends: 1962 [2022-12-14 09:30:52,972 INFO L226 Difference]: Without dead ends: 1962 [2022-12-14 09:30:52,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2022-12-14 09:30:52,972 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 224 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:52,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 300 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:30:52,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2022-12-14 09:30:52,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1207. [2022-12-14 09:30:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1207 states, 1195 states have (on average 1.9874476987447698) internal successors, (2375), 1206 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 2375 transitions. [2022-12-14 09:30:52,990 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 2375 transitions. Word has length 18 [2022-12-14 09:30:52,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:52,990 INFO L495 AbstractCegarLoop]: Abstraction has 1207 states and 2375 transitions. [2022-12-14 09:30:52,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 2375 transitions. [2022-12-14 09:30:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:52,990 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:52,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:52,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-14 09:30:52,990 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:52,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:52,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1721916287, now seen corresponding path program 8 times [2022-12-14 09:30:52,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:52,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717033081] [2022-12-14 09:30:52,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:52,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:53,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:53,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717033081] [2022-12-14 09:30:53,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717033081] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:53,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:53,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:53,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513759246] [2022-12-14 09:30:53,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:53,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:53,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:53,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:53,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:53,550 INFO L87 Difference]: Start difference. First operand 1207 states and 2375 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:55,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:55,542 INFO L93 Difference]: Finished difference Result 2818 states and 5349 transitions. [2022-12-14 09:30:55,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:30:55,543 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:55,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:55,545 INFO L225 Difference]: With dead ends: 2818 [2022-12-14 09:30:55,545 INFO L226 Difference]: Without dead ends: 2810 [2022-12-14 09:30:55,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2022-12-14 09:30:55,546 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 329 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 2375 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 2375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:55,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 359 Invalid, 2454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 2375 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 09:30:55,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2022-12-14 09:30:55,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 1250. [2022-12-14 09:30:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1238 states have (on average 1.9911147011308563) internal successors, (2465), 1249 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:55,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 2465 transitions. [2022-12-14 09:30:55,561 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 2465 transitions. Word has length 18 [2022-12-14 09:30:55,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:55,561 INFO L495 AbstractCegarLoop]: Abstraction has 1250 states and 2465 transitions. [2022-12-14 09:30:55,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 2465 transitions. [2022-12-14 09:30:55,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:55,561 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:55,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:55,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-14 09:30:55,562 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:55,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:55,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1202027216, now seen corresponding path program 21 times [2022-12-14 09:30:55,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:55,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300382535] [2022-12-14 09:30:55,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:55,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:56,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:56,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300382535] [2022-12-14 09:30:56,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300382535] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:56,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:56,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:56,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810064546] [2022-12-14 09:30:56,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:56,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:56,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:56,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:56,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:56,020 INFO L87 Difference]: Start difference. First operand 1250 states and 2465 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:57,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:57,360 INFO L93 Difference]: Finished difference Result 2449 states and 4711 transitions. [2022-12-14 09:30:57,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:30:57,360 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:57,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:57,362 INFO L225 Difference]: With dead ends: 2449 [2022-12-14 09:30:57,362 INFO L226 Difference]: Without dead ends: 2449 [2022-12-14 09:30:57,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:30:57,363 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 261 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:57,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 360 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:30:57,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2449 states. [2022-12-14 09:30:57,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2449 to 1227. [2022-12-14 09:30:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1215 states have (on average 1.9876543209876543) internal successors, (2415), 1226 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 2415 transitions. [2022-12-14 09:30:57,377 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 2415 transitions. Word has length 18 [2022-12-14 09:30:57,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:57,378 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 2415 transitions. [2022-12-14 09:30:57,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2415 transitions. [2022-12-14 09:30:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:57,378 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:57,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:57,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-12-14 09:30:57,378 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:57,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:57,378 INFO L85 PathProgramCache]: Analyzing trace with hash 886818187, now seen corresponding path program 9 times [2022-12-14 09:30:57,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:57,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571955408] [2022-12-14 09:30:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:30:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:30:57,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:30:57,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571955408] [2022-12-14 09:30:57,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571955408] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:30:57,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:30:57,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:30:57,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742898913] [2022-12-14 09:30:57,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:30:57,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:30:57,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:30:57,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:30:57,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:30:57,980 INFO L87 Difference]: Start difference. First operand 1227 states and 2415 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:59,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:30:59,719 INFO L93 Difference]: Finished difference Result 2566 states and 4898 transitions. [2022-12-14 09:30:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:30:59,719 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:30:59,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:30:59,721 INFO L225 Difference]: With dead ends: 2566 [2022-12-14 09:30:59,721 INFO L226 Difference]: Without dead ends: 2566 [2022-12-14 09:30:59,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2022-12-14 09:30:59,722 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 240 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:30:59,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 289 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 09:30:59,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2566 states. [2022-12-14 09:30:59,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2566 to 1222. [2022-12-14 09:30:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 1210 states have (on average 1.987603305785124) internal successors, (2405), 1221 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 2405 transitions. [2022-12-14 09:30:59,736 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 2405 transitions. Word has length 18 [2022-12-14 09:30:59,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:30:59,736 INFO L495 AbstractCegarLoop]: Abstraction has 1222 states and 2405 transitions. [2022-12-14 09:30:59,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:30:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 2405 transitions. [2022-12-14 09:30:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:30:59,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:30:59,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:30:59,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-12-14 09:30:59,737 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:30:59,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:30:59,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1245920677, now seen corresponding path program 10 times [2022-12-14 09:30:59,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:30:59,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105067831] [2022-12-14 09:30:59,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:30:59,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:30:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:00,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:00,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105067831] [2022-12-14 09:31:00,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105067831] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:00,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:00,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:00,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065266860] [2022-12-14 09:31:00,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:00,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:00,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:00,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:00,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:00,210 INFO L87 Difference]: Start difference. First operand 1222 states and 2405 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:01,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:01,577 INFO L93 Difference]: Finished difference Result 2511 states and 4789 transitions. [2022-12-14 09:31:01,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 09:31:01,578 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:01,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:01,580 INFO L225 Difference]: With dead ends: 2511 [2022-12-14 09:31:01,580 INFO L226 Difference]: Without dead ends: 2503 [2022-12-14 09:31:01,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-12-14 09:31:01,581 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 277 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:01,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 283 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 09:31:01,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-12-14 09:31:01,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 1221. [2022-12-14 09:31:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1209 states have (on average 1.9875930521091811) internal successors, (2403), 1220 states have internal predecessors, (2403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:01,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 2403 transitions. [2022-12-14 09:31:01,599 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 2403 transitions. Word has length 18 [2022-12-14 09:31:01,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:01,600 INFO L495 AbstractCegarLoop]: Abstraction has 1221 states and 2403 transitions. [2022-12-14 09:31:01,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:01,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 2403 transitions. [2022-12-14 09:31:01,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:01,600 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:01,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:01,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-14 09:31:01,600 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:01,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:01,601 INFO L85 PathProgramCache]: Analyzing trace with hash -885747487, now seen corresponding path program 11 times [2022-12-14 09:31:01,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:01,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69363963] [2022-12-14 09:31:01,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:01,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:02,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:02,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69363963] [2022-12-14 09:31:02,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69363963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:02,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:02,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:02,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951369934] [2022-12-14 09:31:02,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:02,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:02,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:02,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:02,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:02,242 INFO L87 Difference]: Start difference. First operand 1221 states and 2403 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:03,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:03,679 INFO L93 Difference]: Finished difference Result 2380 states and 4527 transitions. [2022-12-14 09:31:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 09:31:03,679 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:03,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:03,681 INFO L225 Difference]: With dead ends: 2380 [2022-12-14 09:31:03,681 INFO L226 Difference]: Without dead ends: 2380 [2022-12-14 09:31:03,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2022-12-14 09:31:03,682 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 266 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 1908 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 2013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:03,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 217 Invalid, 2013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1908 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:31:03,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2022-12-14 09:31:03,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 1202. [2022-12-14 09:31:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 1190 states have (on average 1.9873949579831933) internal successors, (2365), 1201 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:03,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 2365 transitions. [2022-12-14 09:31:03,695 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 2365 transitions. Word has length 18 [2022-12-14 09:31:03,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:03,695 INFO L495 AbstractCegarLoop]: Abstraction has 1202 states and 2365 transitions. [2022-12-14 09:31:03,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 2365 transitions. [2022-12-14 09:31:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:03,696 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:03,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:03,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-14 09:31:03,696 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:03,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:03,696 INFO L85 PathProgramCache]: Analyzing trace with hash 692593415, now seen corresponding path program 12 times [2022-12-14 09:31:03,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:03,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872366940] [2022-12-14 09:31:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:04,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:04,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872366940] [2022-12-14 09:31:04,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872366940] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:04,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:04,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:04,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986361496] [2022-12-14 09:31:04,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:04,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:04,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:04,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:04,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:04,152 INFO L87 Difference]: Start difference. First operand 1202 states and 2365 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:05,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:05,651 INFO L93 Difference]: Finished difference Result 2170 states and 4137 transitions. [2022-12-14 09:31:05,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:31:05,652 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:05,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:05,654 INFO L225 Difference]: With dead ends: 2170 [2022-12-14 09:31:05,654 INFO L226 Difference]: Without dead ends: 2162 [2022-12-14 09:31:05,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=645, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:31:05,655 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 482 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1841 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:05,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 99 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1841 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 09:31:05,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2022-12-14 09:31:05,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 1179. [2022-12-14 09:31:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 1167 states have (on average 1.987146529562982) internal successors, (2319), 1178 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 2319 transitions. [2022-12-14 09:31:05,672 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 2319 transitions. Word has length 18 [2022-12-14 09:31:05,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:05,672 INFO L495 AbstractCegarLoop]: Abstraction has 1179 states and 2319 transitions. [2022-12-14 09:31:05,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2319 transitions. [2022-12-14 09:31:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:05,673 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:05,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:05,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-14 09:31:05,673 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:05,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:05,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1212482486, now seen corresponding path program 22 times [2022-12-14 09:31:05,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:05,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216084265] [2022-12-14 09:31:05,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:06,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:06,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216084265] [2022-12-14 09:31:06,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216084265] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:06,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:06,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:06,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155024052] [2022-12-14 09:31:06,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:06,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:06,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:06,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:06,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:06,134 INFO L87 Difference]: Start difference. First operand 1179 states and 2319 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:07,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:07,285 INFO L93 Difference]: Finished difference Result 1891 states and 3640 transitions. [2022-12-14 09:31:07,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-14 09:31:07,285 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:07,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:07,287 INFO L225 Difference]: With dead ends: 1891 [2022-12-14 09:31:07,287 INFO L226 Difference]: Without dead ends: 1891 [2022-12-14 09:31:07,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=1087, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 09:31:07,287 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 430 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:07,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 140 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:31:07,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2022-12-14 09:31:07,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1099. [2022-12-14 09:31:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1089 states have (on average 1.9871441689623508) internal successors, (2164), 1098 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2164 transitions. [2022-12-14 09:31:07,300 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2164 transitions. Word has length 18 [2022-12-14 09:31:07,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:07,300 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2164 transitions. [2022-12-14 09:31:07,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2164 transitions. [2022-12-14 09:31:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:07,300 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:07,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:07,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-12-14 09:31:07,300 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:07,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:07,301 INFO L85 PathProgramCache]: Analyzing trace with hash -993639407, now seen corresponding path program 13 times [2022-12-14 09:31:07,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:07,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810506821] [2022-12-14 09:31:07,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:07,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:07,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:07,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810506821] [2022-12-14 09:31:07,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810506821] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:07,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:07,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:07,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110353621] [2022-12-14 09:31:07,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:07,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:07,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:07,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:07,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:07,655 INFO L87 Difference]: Start difference. First operand 1099 states and 2164 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:09,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:09,071 INFO L93 Difference]: Finished difference Result 2407 states and 4576 transitions. [2022-12-14 09:31:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-14 09:31:09,071 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:09,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:09,073 INFO L225 Difference]: With dead ends: 2407 [2022-12-14 09:31:09,073 INFO L226 Difference]: Without dead ends: 2407 [2022-12-14 09:31:09,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=739, Unknown=0, NotChecked=0, Total=930 [2022-12-14 09:31:09,074 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 431 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:09,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 155 Invalid, 1919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:31:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2022-12-14 09:31:09,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 1100. [2022-12-14 09:31:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1090 states have (on average 1.9871559633027522) internal successors, (2166), 1099 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 2166 transitions. [2022-12-14 09:31:09,088 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 2166 transitions. Word has length 18 [2022-12-14 09:31:09,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:09,088 INFO L495 AbstractCegarLoop]: Abstraction has 1100 states and 2166 transitions. [2022-12-14 09:31:09,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 2166 transitions. [2022-12-14 09:31:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:09,088 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:09,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:09,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-12-14 09:31:09,088 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:09,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:09,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1168589025, now seen corresponding path program 14 times [2022-12-14 09:31:09,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:09,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884503659] [2022-12-14 09:31:09,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:09,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:09,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:09,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884503659] [2022-12-14 09:31:09,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884503659] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:09,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:09,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:09,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12786504] [2022-12-14 09:31:09,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:09,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:09,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:09,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:09,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:09,499 INFO L87 Difference]: Start difference. First operand 1100 states and 2166 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:10,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:10,866 INFO L93 Difference]: Finished difference Result 2272 states and 4306 transitions. [2022-12-14 09:31:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-14 09:31:10,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:10,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:10,869 INFO L225 Difference]: With dead ends: 2272 [2022-12-14 09:31:10,869 INFO L226 Difference]: Without dead ends: 2272 [2022-12-14 09:31:10,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 09:31:10,869 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 435 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 1767 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:10,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 147 Invalid, 1925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1767 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:31:10,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2022-12-14 09:31:10,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 1101. [2022-12-14 09:31:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 1091 states have (on average 1.9871677360219981) internal successors, (2168), 1100 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 2168 transitions. [2022-12-14 09:31:10,883 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 2168 transitions. Word has length 18 [2022-12-14 09:31:10,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:10,884 INFO L495 AbstractCegarLoop]: Abstraction has 1101 states and 2168 transitions. [2022-12-14 09:31:10,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 2168 transitions. [2022-12-14 09:31:10,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:10,884 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:10,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:10,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-12-14 09:31:10,884 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:10,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:10,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1528762215, now seen corresponding path program 15 times [2022-12-14 09:31:10,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:10,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352814536] [2022-12-14 09:31:10,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:10,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:11,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:11,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352814536] [2022-12-14 09:31:11,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352814536] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:11,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:11,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:11,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909923519] [2022-12-14 09:31:11,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:11,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:11,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:11,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:11,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:11,433 INFO L87 Difference]: Start difference. First operand 1101 states and 2168 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:13,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:13,306 INFO L93 Difference]: Finished difference Result 2336 states and 4434 transitions. [2022-12-14 09:31:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-14 09:31:13,307 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:13,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:13,309 INFO L225 Difference]: With dead ends: 2336 [2022-12-14 09:31:13,309 INFO L226 Difference]: Without dead ends: 2336 [2022-12-14 09:31:13,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=783, Unknown=0, NotChecked=0, Total=992 [2022-12-14 09:31:13,309 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 403 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 2155 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 2155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:13,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 155 Invalid, 2305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 2155 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 09:31:13,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2022-12-14 09:31:13,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 1097. [2022-12-14 09:31:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 1087 states have (on average 1.987120515179393) internal successors, (2160), 1096 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2160 transitions. [2022-12-14 09:31:13,322 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2160 transitions. Word has length 18 [2022-12-14 09:31:13,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:13,322 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2160 transitions. [2022-12-14 09:31:13,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:13,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2160 transitions. [2022-12-14 09:31:13,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:13,323 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:13,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:13,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-12-14 09:31:13,323 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:13,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:13,323 INFO L85 PathProgramCache]: Analyzing trace with hash -2022193753, now seen corresponding path program 16 times [2022-12-14 09:31:13,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:13,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456399376] [2022-12-14 09:31:13,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:13,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:13,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:13,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:13,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456399376] [2022-12-14 09:31:13,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456399376] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:13,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:13,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:13,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984064610] [2022-12-14 09:31:13,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:13,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:13,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:13,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:13,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:13,928 INFO L87 Difference]: Start difference. First operand 1097 states and 2160 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:15,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:15,271 INFO L93 Difference]: Finished difference Result 1821 states and 3489 transitions. [2022-12-14 09:31:15,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 09:31:15,271 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:15,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:15,273 INFO L225 Difference]: With dead ends: 1821 [2022-12-14 09:31:15,273 INFO L226 Difference]: Without dead ends: 1821 [2022-12-14 09:31:15,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2022-12-14 09:31:15,273 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 227 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1470 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:15,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 141 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1470 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:31:15,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1821 states. [2022-12-14 09:31:15,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1821 to 1073. [2022-12-14 09:31:15,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 1063 states have (on average 1.986829727187206) internal successors, (2112), 1072 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 2112 transitions. [2022-12-14 09:31:15,285 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 2112 transitions. Word has length 18 [2022-12-14 09:31:15,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:15,285 INFO L495 AbstractCegarLoop]: Abstraction has 1073 states and 2112 transitions. [2022-12-14 09:31:15,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:15,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 2112 transitions. [2022-12-14 09:31:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:15,286 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:15,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:15,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-12-14 09:31:15,286 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:15,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:15,286 INFO L85 PathProgramCache]: Analyzing trace with hash 140034679, now seen corresponding path program 17 times [2022-12-14 09:31:15,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:15,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945363199] [2022-12-14 09:31:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:15,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:15,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:15,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945363199] [2022-12-14 09:31:15,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945363199] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:15,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:15,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:15,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928347104] [2022-12-14 09:31:15,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:15,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:15,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:15,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:15,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:15,760 INFO L87 Difference]: Start difference. First operand 1073 states and 2112 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:17,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:17,033 INFO L93 Difference]: Finished difference Result 1786 states and 3418 transitions. [2022-12-14 09:31:17,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 09:31:17,033 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:17,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:17,035 INFO L225 Difference]: With dead ends: 1786 [2022-12-14 09:31:17,035 INFO L226 Difference]: Without dead ends: 1786 [2022-12-14 09:31:17,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2022-12-14 09:31:17,036 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 240 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:17,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 146 Invalid, 1597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 09:31:17,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2022-12-14 09:31:17,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1074. [2022-12-14 09:31:17,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 1064 states have (on average 1.986842105263158) internal successors, (2114), 1073 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 2114 transitions. [2022-12-14 09:31:17,048 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 2114 transitions. Word has length 18 [2022-12-14 09:31:17,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:17,048 INFO L495 AbstractCegarLoop]: Abstraction has 1074 states and 2114 transitions. [2022-12-14 09:31:17,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:17,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 2114 transitions. [2022-12-14 09:31:17,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:17,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:17,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:17,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-12-14 09:31:17,049 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:17,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:17,049 INFO L85 PathProgramCache]: Analyzing trace with hash 500207869, now seen corresponding path program 18 times [2022-12-14 09:31:17,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:17,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843181706] [2022-12-14 09:31:17,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:17,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:17,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:17,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843181706] [2022-12-14 09:31:17,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843181706] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:17,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:17,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:17,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895615575] [2022-12-14 09:31:17,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:17,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:17,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:17,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:17,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:17,703 INFO L87 Difference]: Start difference. First operand 1074 states and 2114 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:18,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:18,970 INFO L93 Difference]: Finished difference Result 1850 states and 3546 transitions. [2022-12-14 09:31:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 09:31:18,970 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:18,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:18,972 INFO L225 Difference]: With dead ends: 1850 [2022-12-14 09:31:18,972 INFO L226 Difference]: Without dead ends: 1850 [2022-12-14 09:31:18,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:31:18,973 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 247 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:18,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 141 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 09:31:18,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2022-12-14 09:31:18,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1072. [2022-12-14 09:31:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1062 states have (on average 1.9868173258003767) internal successors, (2110), 1071 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:18,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 2110 transitions. [2022-12-14 09:31:18,984 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 2110 transitions. Word has length 18 [2022-12-14 09:31:18,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:18,984 INFO L495 AbstractCegarLoop]: Abstraction has 1072 states and 2110 transitions. [2022-12-14 09:31:18,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:18,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 2110 transitions. [2022-12-14 09:31:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:18,984 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:18,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:18,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-12-14 09:31:18,985 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:18,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:18,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1057605785, now seen corresponding path program 19 times [2022-12-14 09:31:18,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:18,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667911126] [2022-12-14 09:31:18,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:18,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:19,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:19,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667911126] [2022-12-14 09:31:19,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667911126] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:19,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:19,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:19,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127908613] [2022-12-14 09:31:19,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:19,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:19,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:19,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:19,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:19,393 INFO L87 Difference]: Start difference. First operand 1072 states and 2110 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:20,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:20,897 INFO L93 Difference]: Finished difference Result 1774 states and 3395 transitions. [2022-12-14 09:31:20,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:31:20,897 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:20,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:20,899 INFO L225 Difference]: With dead ends: 1774 [2022-12-14 09:31:20,899 INFO L226 Difference]: Without dead ends: 1774 [2022-12-14 09:31:20,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2022-12-14 09:31:20,900 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 241 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1609 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:20,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 149 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1609 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 09:31:20,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2022-12-14 09:31:20,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1072. [2022-12-14 09:31:20,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1062 states have (on average 1.9868173258003767) internal successors, (2110), 1071 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 2110 transitions. [2022-12-14 09:31:20,911 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 2110 transitions. Word has length 18 [2022-12-14 09:31:20,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:20,911 INFO L495 AbstractCegarLoop]: Abstraction has 1072 states and 2110 transitions. [2022-12-14 09:31:20,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 2110 transitions. [2022-12-14 09:31:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:20,911 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:20,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:20,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-12-14 09:31:20,911 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:20,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:20,912 INFO L85 PathProgramCache]: Analyzing trace with hash 160252643, now seen corresponding path program 20 times [2022-12-14 09:31:20,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:20,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695035827] [2022-12-14 09:31:20,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:20,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:21,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:21,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695035827] [2022-12-14 09:31:21,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695035827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:21,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:21,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:21,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529483937] [2022-12-14 09:31:21,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:21,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:21,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:21,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:21,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:21,427 INFO L87 Difference]: Start difference. First operand 1072 states and 2110 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:23,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:23,123 INFO L93 Difference]: Finished difference Result 1779 states and 3404 transitions. [2022-12-14 09:31:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 09:31:23,123 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:23,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:23,124 INFO L225 Difference]: With dead ends: 1779 [2022-12-14 09:31:23,124 INFO L226 Difference]: Without dead ends: 1779 [2022-12-14 09:31:23,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=628, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:31:23,125 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 215 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:23,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 155 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 09:31:23,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2022-12-14 09:31:23,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1070. [2022-12-14 09:31:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 1060 states have (on average 1.9867924528301886) internal successors, (2106), 1069 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:23,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 2106 transitions. [2022-12-14 09:31:23,139 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 2106 transitions. Word has length 18 [2022-12-14 09:31:23,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:23,139 INFO L495 AbstractCegarLoop]: Abstraction has 1070 states and 2106 transitions. [2022-12-14 09:31:23,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:23,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 2106 transitions. [2022-12-14 09:31:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 09:31:23,139 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:23,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:23,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-12-14 09:31:23,139 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:23,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:23,140 INFO L85 PathProgramCache]: Analyzing trace with hash 520425833, now seen corresponding path program 21 times [2022-12-14 09:31:23,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:23,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156410079] [2022-12-14 09:31:23,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:23,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:23,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:23,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156410079] [2022-12-14 09:31:23,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156410079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:23,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:23,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:23,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671099466] [2022-12-14 09:31:23,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:23,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:23,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:23,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:23,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:23,560 INFO L87 Difference]: Start difference. First operand 1070 states and 2106 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:24,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:24,843 INFO L93 Difference]: Finished difference Result 1749 states and 3345 transitions. [2022-12-14 09:31:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 09:31:24,844 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 09:31:24,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:24,845 INFO L225 Difference]: With dead ends: 1749 [2022-12-14 09:31:24,845 INFO L226 Difference]: Without dead ends: 1749 [2022-12-14 09:31:24,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=508, Unknown=0, NotChecked=0, Total=650 [2022-12-14 09:31:24,846 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 229 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 1943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:24,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 153 Invalid, 1943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:31:24,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2022-12-14 09:31:24,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 979. [2022-12-14 09:31:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 970 states have (on average 1.9835051546391753) internal successors, (1924), 978 states have internal predecessors, (1924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1924 transitions. [2022-12-14 09:31:24,856 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1924 transitions. Word has length 18 [2022-12-14 09:31:24,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:24,856 INFO L495 AbstractCegarLoop]: Abstraction has 979 states and 1924 transitions. [2022-12-14 09:31:24,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1924 transitions. [2022-12-14 09:31:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:24,857 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:24,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:24,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-12-14 09:31:24,857 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:24,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:24,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1862054588, now seen corresponding path program 1 times [2022-12-14 09:31:24,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:24,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175241064] [2022-12-14 09:31:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:24,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:25,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:25,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:25,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175241064] [2022-12-14 09:31:25,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175241064] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:25,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:25,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:25,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45822967] [2022-12-14 09:31:25,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:25,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:25,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:25,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:25,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:25,344 INFO L87 Difference]: Start difference. First operand 979 states and 1924 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) [2022-12-14 09:31:26,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:26,246 INFO L93 Difference]: Finished difference Result 1189 states and 2317 transitions. [2022-12-14 09:31:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 09:31:26,246 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 [2022-12-14 09:31:26,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:26,247 INFO L225 Difference]: With dead ends: 1189 [2022-12-14 09:31:26,247 INFO L226 Difference]: Without dead ends: 1189 [2022-12-14 09:31:26,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2022-12-14 09:31:26,248 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 181 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:26,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 109 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:31:26,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2022-12-14 09:31:26,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1004. [2022-12-14 09:31:26,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 995 states have (on average 1.9839195979899498) internal successors, (1974), 1003 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:26,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1974 transitions. [2022-12-14 09:31:26,256 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1974 transitions. Word has length 24 [2022-12-14 09:31:26,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:26,257 INFO L495 AbstractCegarLoop]: Abstraction has 1004 states and 1974 transitions. [2022-12-14 09:31:26,257 INFO L496 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) [2022-12-14 09:31:26,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1974 transitions. [2022-12-14 09:31:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:26,257 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:26,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:26,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-12-14 09:31:26,257 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:26,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:26,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1905592228, now seen corresponding path program 2 times [2022-12-14 09:31:26,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:26,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580061257] [2022-12-14 09:31:26,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:26,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:26,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:26,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580061257] [2022-12-14 09:31:26,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580061257] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:26,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:26,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:26,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510018300] [2022-12-14 09:31:26,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:26,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:26,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:26,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:26,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:26,824 INFO L87 Difference]: Start difference. First operand 1004 states and 1974 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) [2022-12-14 09:31:27,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:27,832 INFO L93 Difference]: Finished difference Result 1207 states and 2351 transitions. [2022-12-14 09:31:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 09:31:27,832 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 [2022-12-14 09:31:27,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:27,833 INFO L225 Difference]: With dead ends: 1207 [2022-12-14 09:31:27,833 INFO L226 Difference]: Without dead ends: 1207 [2022-12-14 09:31:27,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=498, Unknown=0, NotChecked=0, Total=702 [2022-12-14 09:31:27,834 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 186 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:27,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 108 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:31:27,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2022-12-14 09:31:27,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1009. [2022-12-14 09:31:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 1000 states have (on average 1.984) internal successors, (1984), 1008 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1984 transitions. [2022-12-14 09:31:27,843 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1984 transitions. Word has length 24 [2022-12-14 09:31:27,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:27,843 INFO L495 AbstractCegarLoop]: Abstraction has 1009 states and 1984 transitions. [2022-12-14 09:31:27,843 INFO L496 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) [2022-12-14 09:31:27,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1984 transitions. [2022-12-14 09:31:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:27,843 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:27,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:27,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-12-14 09:31:27,843 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:27,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:27,844 INFO L85 PathProgramCache]: Analyzing trace with hash 727873762, now seen corresponding path program 3 times [2022-12-14 09:31:27,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:27,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52651578] [2022-12-14 09:31:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:27,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:28,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:28,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52651578] [2022-12-14 09:31:28,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52651578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:28,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:28,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:28,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759544443] [2022-12-14 09:31:28,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:28,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:28,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:28,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:28,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:28,421 INFO L87 Difference]: Start difference. First operand 1009 states and 1984 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) [2022-12-14 09:31:29,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:29,542 INFO L93 Difference]: Finished difference Result 1224 states and 2383 transitions. [2022-12-14 09:31:29,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 09:31:29,542 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 [2022-12-14 09:31:29,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:29,543 INFO L225 Difference]: With dead ends: 1224 [2022-12-14 09:31:29,543 INFO L226 Difference]: Without dead ends: 1224 [2022-12-14 09:31:29,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2022-12-14 09:31:29,544 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 194 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:29,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 110 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:31:29,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2022-12-14 09:31:29,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1014. [2022-12-14 09:31:29,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1005 states have (on average 1.9840796019900497) internal successors, (1994), 1013 states have internal predecessors, (1994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1994 transitions. [2022-12-14 09:31:29,552 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1994 transitions. Word has length 24 [2022-12-14 09:31:29,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:29,553 INFO L495 AbstractCegarLoop]: Abstraction has 1014 states and 1994 transitions. [2022-12-14 09:31:29,553 INFO L496 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) [2022-12-14 09:31:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1994 transitions. [2022-12-14 09:31:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:29,553 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:29,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:29,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-12-14 09:31:29,553 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:29,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:29,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1064639682, now seen corresponding path program 4 times [2022-12-14 09:31:29,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:29,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249111835] [2022-12-14 09:31:29,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:29,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:30,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:30,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249111835] [2022-12-14 09:31:30,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249111835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:30,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:30,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:30,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484465724] [2022-12-14 09:31:30,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:30,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:30,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:30,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:30,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:30,145 INFO L87 Difference]: Start difference. First operand 1014 states and 1994 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) [2022-12-14 09:31:31,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:31,440 INFO L93 Difference]: Finished difference Result 1242 states and 2417 transitions. [2022-12-14 09:31:31,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 09:31:31,440 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 [2022-12-14 09:31:31,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:31,442 INFO L225 Difference]: With dead ends: 1242 [2022-12-14 09:31:31,442 INFO L226 Difference]: Without dead ends: 1242 [2022-12-14 09:31:31,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=245, Invalid=567, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:31:31,442 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 199 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:31,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 110 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:31:31,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2022-12-14 09:31:31,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1019. [2022-12-14 09:31:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1010 states have (on average 1.9841584158415841) internal successors, (2004), 1018 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 2004 transitions. [2022-12-14 09:31:31,452 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 2004 transitions. Word has length 24 [2022-12-14 09:31:31,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:31,452 INFO L495 AbstractCegarLoop]: Abstraction has 1019 states and 2004 transitions. [2022-12-14 09:31:31,452 INFO L496 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) [2022-12-14 09:31:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 2004 transitions. [2022-12-14 09:31:31,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:31,453 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:31,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:31,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-12-14 09:31:31,453 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:31,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:31,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1556402560, now seen corresponding path program 5 times [2022-12-14 09:31:31,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:31,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139615791] [2022-12-14 09:31:31,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:31,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:31,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:31,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139615791] [2022-12-14 09:31:31,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139615791] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:31,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:31,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:31,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660201997] [2022-12-14 09:31:31,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:31,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:31,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:31,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:31,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:31,874 INFO L87 Difference]: Start difference. First operand 1019 states and 2004 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) [2022-12-14 09:31:32,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:32,935 INFO L93 Difference]: Finished difference Result 1582 states and 3045 transitions. [2022-12-14 09:31:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-14 09:31:32,935 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 [2022-12-14 09:31:32,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:32,936 INFO L225 Difference]: With dead ends: 1582 [2022-12-14 09:31:32,937 INFO L226 Difference]: Without dead ends: 1582 [2022-12-14 09:31:32,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=303, Invalid=689, Unknown=0, NotChecked=0, Total=992 [2022-12-14 09:31:32,937 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 322 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:32,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 126 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:31:32,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-12-14 09:31:32,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1040. [2022-12-14 09:31:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 1031 states have (on average 1.9844810863239573) internal successors, (2046), 1039 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:32,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 2046 transitions. [2022-12-14 09:31:32,947 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 2046 transitions. Word has length 24 [2022-12-14 09:31:32,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:32,947 INFO L495 AbstractCegarLoop]: Abstraction has 1040 states and 2046 transitions. [2022-12-14 09:31:32,947 INFO L496 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) [2022-12-14 09:31:32,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 2046 transitions. [2022-12-14 09:31:32,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:32,948 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:32,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:32,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-12-14 09:31:32,948 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:32,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:32,948 INFO L85 PathProgramCache]: Analyzing trace with hash 689002506, now seen corresponding path program 6 times [2022-12-14 09:31:32,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:32,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707527202] [2022-12-14 09:31:32,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:32,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:33,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:33,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707527202] [2022-12-14 09:31:33,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707527202] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:33,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:33,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:33,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99292309] [2022-12-14 09:31:33,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:33,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:33,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:33,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:33,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:33,603 INFO L87 Difference]: Start difference. First operand 1040 states and 2046 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) [2022-12-14 09:31:34,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:34,538 INFO L93 Difference]: Finished difference Result 1101 states and 2144 transitions. [2022-12-14 09:31:34,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 09:31:34,538 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 [2022-12-14 09:31:34,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:34,539 INFO L225 Difference]: With dead ends: 1101 [2022-12-14 09:31:34,540 INFO L226 Difference]: Without dead ends: 1101 [2022-12-14 09:31:34,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2022-12-14 09:31:34,540 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 163 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:34,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 70 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:31:34,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-12-14 09:31:34,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1040. [2022-12-14 09:31:34,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 1031 states have (on average 1.9844810863239573) internal successors, (2046), 1039 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:34,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 2046 transitions. [2022-12-14 09:31:34,548 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 2046 transitions. Word has length 24 [2022-12-14 09:31:34,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:34,548 INFO L495 AbstractCegarLoop]: Abstraction has 1040 states and 2046 transitions. [2022-12-14 09:31:34,548 INFO L496 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) [2022-12-14 09:31:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 2046 transitions. [2022-12-14 09:31:34,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:34,549 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:34,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:34,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-12-14 09:31:34,549 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:34,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:34,549 INFO L85 PathProgramCache]: Analyzing trace with hash -363076666, now seen corresponding path program 7 times [2022-12-14 09:31:34,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:34,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823218643] [2022-12-14 09:31:34,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:34,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:35,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:35,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823218643] [2022-12-14 09:31:35,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823218643] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:35,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:35,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:35,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914813571] [2022-12-14 09:31:35,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:35,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:35,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:35,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:35,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:35,100 INFO L87 Difference]: Start difference. First operand 1040 states and 2046 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) [2022-12-14 09:31:36,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:36,104 INFO L93 Difference]: Finished difference Result 1122 states and 2185 transitions. [2022-12-14 09:31:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 09:31:36,105 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 [2022-12-14 09:31:36,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:36,106 INFO L225 Difference]: With dead ends: 1122 [2022-12-14 09:31:36,106 INFO L226 Difference]: Without dead ends: 1122 [2022-12-14 09:31:36,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=243, Invalid=513, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:31:36,106 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 159 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:36,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 71 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:31:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2022-12-14 09:31:36,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1045. [2022-12-14 09:31:36,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1036 states have (on average 1.9845559845559846) internal successors, (2056), 1044 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 2056 transitions. [2022-12-14 09:31:36,115 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 2056 transitions. Word has length 24 [2022-12-14 09:31:36,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:36,115 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 2056 transitions. [2022-12-14 09:31:36,115 INFO L496 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) [2022-12-14 09:31:36,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 2056 transitions. [2022-12-14 09:31:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:36,115 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:36,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:36,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-12-14 09:31:36,115 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:36,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:36,116 INFO L85 PathProgramCache]: Analyzing trace with hash -406614306, now seen corresponding path program 8 times [2022-12-14 09:31:36,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:36,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671156206] [2022-12-14 09:31:36,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:36,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:36,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:36,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:36,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671156206] [2022-12-14 09:31:36,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671156206] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:36,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:36,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:36,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919523688] [2022-12-14 09:31:36,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:36,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:36,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:36,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:36,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:36,640 INFO L87 Difference]: Start difference. First operand 1045 states and 2056 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) [2022-12-14 09:31:37,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:37,724 INFO L93 Difference]: Finished difference Result 1124 states and 2188 transitions. [2022-12-14 09:31:37,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 09:31:37,724 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 [2022-12-14 09:31:37,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:37,725 INFO L225 Difference]: With dead ends: 1124 [2022-12-14 09:31:37,725 INFO L226 Difference]: Without dead ends: 1124 [2022-12-14 09:31:37,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=302, Invalid=628, Unknown=0, NotChecked=0, Total=930 [2022-12-14 09:31:37,726 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 162 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:37,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 71 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:31:37,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-12-14 09:31:37,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1040. [2022-12-14 09:31:37,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 1031 states have (on average 1.9844810863239573) internal successors, (2046), 1039 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 2046 transitions. [2022-12-14 09:31:37,735 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 2046 transitions. Word has length 24 [2022-12-14 09:31:37,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:37,735 INFO L495 AbstractCegarLoop]: Abstraction has 1040 states and 2046 transitions. [2022-12-14 09:31:37,735 INFO L496 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) [2022-12-14 09:31:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 2046 transitions. [2022-12-14 09:31:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:37,735 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:37,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:37,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-12-14 09:31:37,736 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:37,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:37,736 INFO L85 PathProgramCache]: Analyzing trace with hash -218230484, now seen corresponding path program 9 times [2022-12-14 09:31:37,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:37,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217724222] [2022-12-14 09:31:37,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:37,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:38,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:38,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:38,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217724222] [2022-12-14 09:31:38,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217724222] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:38,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:38,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:38,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082986066] [2022-12-14 09:31:38,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:38,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:38,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:38,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:38,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:38,228 INFO L87 Difference]: Start difference. First operand 1040 states and 2046 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) [2022-12-14 09:31:39,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:39,168 INFO L93 Difference]: Finished difference Result 1127 states and 2196 transitions. [2022-12-14 09:31:39,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 09:31:39,169 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 [2022-12-14 09:31:39,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:39,170 INFO L225 Difference]: With dead ends: 1127 [2022-12-14 09:31:39,170 INFO L226 Difference]: Without dead ends: 1127 [2022-12-14 09:31:39,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=447, Unknown=0, NotChecked=0, Total=650 [2022-12-14 09:31:39,170 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 149 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:39,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 71 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:31:39,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2022-12-14 09:31:39,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1050. [2022-12-14 09:31:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 1041 states have (on average 1.984630163304515) internal successors, (2066), 1049 states have internal predecessors, (2066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 2066 transitions. [2022-12-14 09:31:39,179 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 2066 transitions. Word has length 24 [2022-12-14 09:31:39,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:39,179 INFO L495 AbstractCegarLoop]: Abstraction has 1050 states and 2066 transitions. [2022-12-14 09:31:39,179 INFO L496 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) [2022-12-14 09:31:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 2066 transitions. [2022-12-14 09:31:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:39,179 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:39,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:39,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-12-14 09:31:39,179 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:39,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:39,180 INFO L85 PathProgramCache]: Analyzing trace with hash -261768124, now seen corresponding path program 10 times [2022-12-14 09:31:39,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:39,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394142111] [2022-12-14 09:31:39,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:39,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:39,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:39,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394142111] [2022-12-14 09:31:39,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394142111] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:39,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:39,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:39,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324032590] [2022-12-14 09:31:39,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:39,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:39,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:39,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:39,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:39,639 INFO L87 Difference]: Start difference. First operand 1050 states and 2066 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) [2022-12-14 09:31:40,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:40,747 INFO L93 Difference]: Finished difference Result 1145 states and 2230 transitions. [2022-12-14 09:31:40,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:31:40,747 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 [2022-12-14 09:31:40,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:40,748 INFO L225 Difference]: With dead ends: 1145 [2022-12-14 09:31:40,748 INFO L226 Difference]: Without dead ends: 1145 [2022-12-14 09:31:40,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=255, Invalid=557, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:31:40,748 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 154 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:40,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 72 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:31:40,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2022-12-14 09:31:40,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1045. [2022-12-14 09:31:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1036 states have (on average 1.9845559845559846) internal successors, (2056), 1044 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:40,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 2056 transitions. [2022-12-14 09:31:40,757 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 2056 transitions. Word has length 24 [2022-12-14 09:31:40,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:40,757 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 2056 transitions. [2022-12-14 09:31:40,757 INFO L496 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) [2022-12-14 09:31:40,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 2056 transitions. [2022-12-14 09:31:40,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:40,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:40,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:40,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-12-14 09:31:40,758 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:40,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1923269430, now seen corresponding path program 11 times [2022-12-14 09:31:40,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:40,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356188666] [2022-12-14 09:31:40,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:40,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:41,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:41,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:41,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356188666] [2022-12-14 09:31:41,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356188666] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:41,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:41,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:41,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459949359] [2022-12-14 09:31:41,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:41,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:41,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:41,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:41,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:41,379 INFO L87 Difference]: Start difference. First operand 1045 states and 2056 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) [2022-12-14 09:31:42,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:42,385 INFO L93 Difference]: Finished difference Result 1147 states and 2232 transitions. [2022-12-14 09:31:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:31:42,385 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 [2022-12-14 09:31:42,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:42,386 INFO L225 Difference]: With dead ends: 1147 [2022-12-14 09:31:42,386 INFO L226 Difference]: Without dead ends: 1147 [2022-12-14 09:31:42,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:31:42,387 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 151 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:42,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 71 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:31:42,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-12-14 09:31:42,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1040. [2022-12-14 09:31:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 1031 states have (on average 1.9844810863239573) internal successors, (2046), 1039 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 2046 transitions. [2022-12-14 09:31:42,395 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 2046 transitions. Word has length 24 [2022-12-14 09:31:42,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:42,395 INFO L495 AbstractCegarLoop]: Abstraction has 1040 states and 2046 transitions. [2022-12-14 09:31:42,395 INFO L496 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) [2022-12-14 09:31:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 2046 transitions. [2022-12-14 09:31:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:42,395 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:42,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:42,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-12-14 09:31:42,396 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:42,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:42,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1903067940, now seen corresponding path program 12 times [2022-12-14 09:31:42,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:42,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726084980] [2022-12-14 09:31:42,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:42,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:42,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:42,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726084980] [2022-12-14 09:31:42,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726084980] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:42,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:42,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:42,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111966802] [2022-12-14 09:31:42,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:42,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:42,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:42,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:42,994 INFO L87 Difference]: Start difference. First operand 1040 states and 2046 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) [2022-12-14 09:31:43,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:43,764 INFO L93 Difference]: Finished difference Result 1115 states and 2172 transitions. [2022-12-14 09:31:43,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 09:31:43,764 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 [2022-12-14 09:31:43,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:43,765 INFO L225 Difference]: With dead ends: 1115 [2022-12-14 09:31:43,765 INFO L226 Difference]: Without dead ends: 1115 [2022-12-14 09:31:43,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2022-12-14 09:31:43,765 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 146 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:43,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 70 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 09:31:43,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2022-12-14 09:31:43,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1035. [2022-12-14 09:31:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1026 states have (on average 1.9844054580896686) internal successors, (2036), 1034 states have internal predecessors, (2036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 2036 transitions. [2022-12-14 09:31:43,774 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 2036 transitions. Word has length 24 [2022-12-14 09:31:43,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:43,774 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 2036 transitions. [2022-12-14 09:31:43,774 INFO L496 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) [2022-12-14 09:31:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2036 transitions. [2022-12-14 09:31:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:43,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:43,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:43,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-12-14 09:31:43,775 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:43,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:43,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1859530300, now seen corresponding path program 13 times [2022-12-14 09:31:43,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:43,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129836199] [2022-12-14 09:31:43,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:43,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:44,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:44,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129836199] [2022-12-14 09:31:44,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129836199] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:44,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:44,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:44,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772576735] [2022-12-14 09:31:44,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:44,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:44,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:44,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:44,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:44,293 INFO L87 Difference]: Start difference. First operand 1035 states and 2036 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) [2022-12-14 09:31:45,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:45,437 INFO L93 Difference]: Finished difference Result 1133 states and 2206 transitions. [2022-12-14 09:31:45,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 09:31:45,437 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 [2022-12-14 09:31:45,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:45,438 INFO L225 Difference]: With dead ends: 1133 [2022-12-14 09:31:45,438 INFO L226 Difference]: Without dead ends: 1133 [2022-12-14 09:31:45,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=228, Invalid=528, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:31:45,438 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 146 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:45,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 72 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:31:45,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2022-12-14 09:31:45,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1030. [2022-12-14 09:31:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1021 states have (on average 1.9843290891283056) internal successors, (2026), 1029 states have internal predecessors, (2026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 2026 transitions. [2022-12-14 09:31:45,447 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 2026 transitions. Word has length 24 [2022-12-14 09:31:45,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:45,447 INFO L495 AbstractCegarLoop]: Abstraction has 1030 states and 2026 transitions. [2022-12-14 09:31:45,447 INFO L496 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) [2022-12-14 09:31:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 2026 transitions. [2022-12-14 09:31:45,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:45,448 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:45,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:45,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-12-14 09:31:45,448 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:45,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:45,448 INFO L85 PathProgramCache]: Analyzing trace with hash 198028994, now seen corresponding path program 14 times [2022-12-14 09:31:45,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:45,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882241066] [2022-12-14 09:31:45,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:45,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:46,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:46,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882241066] [2022-12-14 09:31:46,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882241066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:46,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:46,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:46,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295084770] [2022-12-14 09:31:46,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:46,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:46,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:46,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:46,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:46,058 INFO L87 Difference]: Start difference. First operand 1030 states and 2026 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) [2022-12-14 09:31:47,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:47,220 INFO L93 Difference]: Finished difference Result 1150 states and 2238 transitions. [2022-12-14 09:31:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 09:31:47,220 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 [2022-12-14 09:31:47,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:47,221 INFO L225 Difference]: With dead ends: 1150 [2022-12-14 09:31:47,221 INFO L226 Difference]: Without dead ends: 1150 [2022-12-14 09:31:47,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=525, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:31:47,222 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 149 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:47,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 71 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:31:47,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-12-14 09:31:47,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1025. [2022-12-14 09:31:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 1016 states have (on average 1.984251968503937) internal successors, (2016), 1024 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 2016 transitions. [2022-12-14 09:31:47,235 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 2016 transitions. Word has length 24 [2022-12-14 09:31:47,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:47,235 INFO L495 AbstractCegarLoop]: Abstraction has 1025 states and 2016 transitions. [2022-12-14 09:31:47,235 INFO L496 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) [2022-12-14 09:31:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 2016 transitions. [2022-12-14 09:31:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:47,236 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:47,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:47,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-12-14 09:31:47,236 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:47,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:47,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1594484450, now seen corresponding path program 15 times [2022-12-14 09:31:47,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:47,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524617882] [2022-12-14 09:31:47,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:47,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:47,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:47,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524617882] [2022-12-14 09:31:47,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524617882] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:47,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:47,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:47,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583820995] [2022-12-14 09:31:47,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:47,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:47,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:47,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:47,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:47,725 INFO L87 Difference]: Start difference. First operand 1025 states and 2016 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) [2022-12-14 09:31:48,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:48,948 INFO L93 Difference]: Finished difference Result 1142 states and 2220 transitions. [2022-12-14 09:31:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 09:31:48,948 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 [2022-12-14 09:31:48,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:48,949 INFO L225 Difference]: With dead ends: 1142 [2022-12-14 09:31:48,949 INFO L226 Difference]: Without dead ends: 1142 [2022-12-14 09:31:48,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2022-12-14 09:31:48,949 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 152 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:48,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 72 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:31:48,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2022-12-14 09:31:48,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1012. [2022-12-14 09:31:48,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 1003 states have (on average 1.9840478564307078) internal successors, (1990), 1011 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:48,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1990 transitions. [2022-12-14 09:31:48,958 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1990 transitions. Word has length 24 [2022-12-14 09:31:48,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:48,958 INFO L495 AbstractCegarLoop]: Abstraction has 1012 states and 1990 transitions. [2022-12-14 09:31:48,958 INFO L496 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) [2022-12-14 09:31:48,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1990 transitions. [2022-12-14 09:31:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:48,958 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:48,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:48,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-12-14 09:31:48,958 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:48,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:48,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1756311904, now seen corresponding path program 16 times [2022-12-14 09:31:48,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:48,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664961374] [2022-12-14 09:31:48,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:48,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:49,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:49,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:49,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664961374] [2022-12-14 09:31:49,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664961374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:49,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:49,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:49,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489605171] [2022-12-14 09:31:49,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:49,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:49,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:49,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:49,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:49,526 INFO L87 Difference]: Start difference. First operand 1012 states and 1990 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) [2022-12-14 09:31:50,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:50,405 INFO L93 Difference]: Finished difference Result 1660 states and 3247 transitions. [2022-12-14 09:31:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 09:31:50,406 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 [2022-12-14 09:31:50,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:50,407 INFO L225 Difference]: With dead ends: 1660 [2022-12-14 09:31:50,407 INFO L226 Difference]: Without dead ends: 1660 [2022-12-14 09:31:50,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2022-12-14 09:31:50,408 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 195 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:50,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 126 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:31:50,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2022-12-14 09:31:50,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1074. [2022-12-14 09:31:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 1065 states have (on average 1.9849765258215963) internal successors, (2114), 1073 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 2114 transitions. [2022-12-14 09:31:50,418 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 2114 transitions. Word has length 24 [2022-12-14 09:31:50,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:50,418 INFO L495 AbstractCegarLoop]: Abstraction has 1074 states and 2114 transitions. [2022-12-14 09:31:50,418 INFO L496 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) [2022-12-14 09:31:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 2114 transitions. [2022-12-14 09:31:50,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:50,418 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:50,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:50,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-12-14 09:31:50,418 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:50,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:50,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1712774264, now seen corresponding path program 17 times [2022-12-14 09:31:50,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:50,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7762932] [2022-12-14 09:31:50,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:50,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:50,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:50,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7762932] [2022-12-14 09:31:50,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7762932] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:50,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:50,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:50,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417505723] [2022-12-14 09:31:50,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:50,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:50,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:50,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:50,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:50,885 INFO L87 Difference]: Start difference. First operand 1074 states and 2114 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) [2022-12-14 09:31:51,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:51,895 INFO L93 Difference]: Finished difference Result 1678 states and 3281 transitions. [2022-12-14 09:31:51,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 09:31:51,895 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 [2022-12-14 09:31:51,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:51,897 INFO L225 Difference]: With dead ends: 1678 [2022-12-14 09:31:51,897 INFO L226 Difference]: Without dead ends: 1678 [2022-12-14 09:31:51,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2022-12-14 09:31:51,897 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 207 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:51,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 123 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:31:51,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2022-12-14 09:31:51,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1076. [2022-12-14 09:31:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 1067 states have (on average 1.9850046860356139) internal successors, (2118), 1075 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 2118 transitions. [2022-12-14 09:31:51,907 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 2118 transitions. Word has length 24 [2022-12-14 09:31:51,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:51,907 INFO L495 AbstractCegarLoop]: Abstraction has 1076 states and 2118 transitions. [2022-12-14 09:31:51,908 INFO L496 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) [2022-12-14 09:31:51,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 2118 transitions. [2022-12-14 09:31:51,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:51,908 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:51,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:51,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-12-14 09:31:51,909 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:51,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:51,909 INFO L85 PathProgramCache]: Analyzing trace with hash 51272958, now seen corresponding path program 18 times [2022-12-14 09:31:51,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:51,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902417976] [2022-12-14 09:31:51,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:51,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:52,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:52,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:52,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902417976] [2022-12-14 09:31:52,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902417976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:52,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:52,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:52,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136563091] [2022-12-14 09:31:52,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:52,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:52,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:52,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:52,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:52,452 INFO L87 Difference]: Start difference. First operand 1076 states and 2118 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) [2022-12-14 09:31:53,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:53,463 INFO L93 Difference]: Finished difference Result 1695 states and 3313 transitions. [2022-12-14 09:31:53,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 09:31:53,463 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 [2022-12-14 09:31:53,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:53,465 INFO L225 Difference]: With dead ends: 1695 [2022-12-14 09:31:53,465 INFO L226 Difference]: Without dead ends: 1695 [2022-12-14 09:31:53,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2022-12-14 09:31:53,465 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 208 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:53,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 121 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:31:53,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2022-12-14 09:31:53,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1078. [2022-12-14 09:31:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1069 states have (on average 1.9850327408793265) internal successors, (2122), 1077 states have internal predecessors, (2122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 2122 transitions. [2022-12-14 09:31:53,475 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 2122 transitions. Word has length 24 [2022-12-14 09:31:53,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:53,475 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 2122 transitions. [2022-12-14 09:31:53,475 INFO L496 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) [2022-12-14 09:31:53,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2122 transitions. [2022-12-14 09:31:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:53,476 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:53,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:53,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-12-14 09:31:53,476 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:53,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:53,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1741240486, now seen corresponding path program 19 times [2022-12-14 09:31:53,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:53,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797037449] [2022-12-14 09:31:53,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:53,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:53,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:53,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:53,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797037449] [2022-12-14 09:31:53,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797037449] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:53,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:53,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 09:31:53,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307669121] [2022-12-14 09:31:53,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:53,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 09:31:53,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:53,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 09:31:53,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-12-14 09:31:53,953 INFO L87 Difference]: Start difference. First operand 1078 states and 2122 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) [2022-12-14 09:31:55,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:55,427 INFO L93 Difference]: Finished difference Result 1713 states and 3347 transitions. [2022-12-14 09:31:55,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 09:31:55,428 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 [2022-12-14 09:31:55,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:55,429 INFO L225 Difference]: With dead ends: 1713 [2022-12-14 09:31:55,429 INFO L226 Difference]: Without dead ends: 1713 [2022-12-14 09:31:55,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=232, Invalid=638, Unknown=0, NotChecked=0, Total=870 [2022-12-14 09:31:55,430 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 212 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:55,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 123 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1569 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:31:55,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-12-14 09:31:55,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1080. [2022-12-14 09:31:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 1071 states have (on average 1.985060690943044) internal successors, (2126), 1079 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 2126 transitions. [2022-12-14 09:31:55,444 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 2126 transitions. Word has length 24 [2022-12-14 09:31:55,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:55,444 INFO L495 AbstractCegarLoop]: Abstraction has 1080 states and 2126 transitions. [2022-12-14 09:31:55,444 INFO L496 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) [2022-12-14 09:31:55,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 2126 transitions. [2022-12-14 09:31:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:55,445 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:55,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:55,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-12-14 09:31:55,445 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:55,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:55,446 INFO L85 PathProgramCache]: Analyzing trace with hash 2061963932, now seen corresponding path program 20 times [2022-12-14 09:31:55,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:55,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039830737] [2022-12-14 09:31:55,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:55,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:55,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:55,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039830737] [2022-12-14 09:31:55,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039830737] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:55,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:55,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:55,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748446435] [2022-12-14 09:31:55,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:55,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:55,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:55,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:55,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:55,976 INFO L87 Difference]: Start difference. First operand 1080 states and 2126 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) [2022-12-14 09:31:57,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:57,169 INFO L93 Difference]: Finished difference Result 2187 states and 4231 transitions. [2022-12-14 09:31:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-14 09:31:57,169 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 [2022-12-14 09:31:57,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:57,171 INFO L225 Difference]: With dead ends: 2187 [2022-12-14 09:31:57,171 INFO L226 Difference]: Without dead ends: 2187 [2022-12-14 09:31:57,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=279, Invalid=713, Unknown=0, NotChecked=0, Total=992 [2022-12-14 09:31:57,172 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 335 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:57,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 139 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:31:57,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2022-12-14 09:31:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 1094. [2022-12-14 09:31:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 1085 states have (on average 1.985253456221198) internal successors, (2154), 1093 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 2154 transitions. [2022-12-14 09:31:57,183 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 2154 transitions. Word has length 24 [2022-12-14 09:31:57,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:57,183 INFO L495 AbstractCegarLoop]: Abstraction has 1094 states and 2154 transitions. [2022-12-14 09:31:57,183 INFO L496 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) [2022-12-14 09:31:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 2154 transitions. [2022-12-14 09:31:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:57,184 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:57,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:57,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-12-14 09:31:57,184 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:57,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:57,184 INFO L85 PathProgramCache]: Analyzing trace with hash 245061432, now seen corresponding path program 21 times [2022-12-14 09:31:57,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:57,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506027442] [2022-12-14 09:31:57,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:57,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:57,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:57,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506027442] [2022-12-14 09:31:57,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506027442] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:57,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:57,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:57,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924177948] [2022-12-14 09:31:57,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:57,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:57,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:57,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:57,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:57,908 INFO L87 Difference]: Start difference. First operand 1094 states and 2154 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) [2022-12-14 09:31:59,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:59,367 INFO L93 Difference]: Finished difference Result 1992 states and 3844 transitions. [2022-12-14 09:31:59,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 09:31:59,368 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 [2022-12-14 09:31:59,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:59,370 INFO L225 Difference]: With dead ends: 1992 [2022-12-14 09:31:59,370 INFO L226 Difference]: Without dead ends: 1992 [2022-12-14 09:31:59,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:31:59,370 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 247 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:59,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 200 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 09:31:59,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2022-12-14 09:31:59,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1118. [2022-12-14 09:31:59,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 1109 states have (on average 1.9855725879170423) internal successors, (2202), 1117 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:59,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 2202 transitions. [2022-12-14 09:31:59,381 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 2202 transitions. Word has length 24 [2022-12-14 09:31:59,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:59,381 INFO L495 AbstractCegarLoop]: Abstraction has 1118 states and 2202 transitions. [2022-12-14 09:31:59,381 INFO L496 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) [2022-12-14 09:31:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 2202 transitions. [2022-12-14 09:31:59,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:31:59,382 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:59,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:59,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-12-14 09:31:59,382 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:31:59,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:59,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1982970854, now seen corresponding path program 22 times [2022-12-14 09:31:59,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:59,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872869009] [2022-12-14 09:31:59,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:59,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:59,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:59,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872869009] [2022-12-14 09:31:59,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872869009] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:59,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:59,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:31:59,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862363329] [2022-12-14 09:31:59,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:59,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:31:59,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:59,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:31:59,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:31:59,855 INFO L87 Difference]: Start difference. First operand 1118 states and 2202 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) [2022-12-14 09:32:00,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:00,737 INFO L93 Difference]: Finished difference Result 1535 states and 2996 transitions. [2022-12-14 09:32:00,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 09:32:00,737 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 [2022-12-14 09:32:00,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:00,738 INFO L225 Difference]: With dead ends: 1535 [2022-12-14 09:32:00,738 INFO L226 Difference]: Without dead ends: 1535 [2022-12-14 09:32:00,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-12-14 09:32:00,739 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 176 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:00,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 152 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 09:32:00,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2022-12-14 09:32:00,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1113. [2022-12-14 09:32:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 1104 states have (on average 1.9855072463768115) internal successors, (2192), 1112 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 2192 transitions. [2022-12-14 09:32:00,749 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 2192 transitions. Word has length 24 [2022-12-14 09:32:00,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:00,749 INFO L495 AbstractCegarLoop]: Abstraction has 1113 states and 2192 transitions. [2022-12-14 09:32:00,749 INFO L496 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) [2022-12-14 09:32:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2192 transitions. [2022-12-14 09:32:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:32:00,749 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:00,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:00,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-12-14 09:32:00,750 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:00,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:00,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1939433214, now seen corresponding path program 23 times [2022-12-14 09:32:00,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:00,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152951045] [2022-12-14 09:32:00,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:00,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:01,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:01,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152951045] [2022-12-14 09:32:01,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152951045] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:01,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:01,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 09:32:01,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87767542] [2022-12-14 09:32:01,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:01,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 09:32:01,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:01,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 09:32:01,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-12-14 09:32:01,243 INFO L87 Difference]: Start difference. First operand 1113 states and 2192 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) [2022-12-14 09:32:02,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:02,329 INFO L93 Difference]: Finished difference Result 1553 states and 3030 transitions. [2022-12-14 09:32:02,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 09:32:02,329 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 [2022-12-14 09:32:02,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:02,331 INFO L225 Difference]: With dead ends: 1553 [2022-12-14 09:32:02,331 INFO L226 Difference]: Without dead ends: 1553 [2022-12-14 09:32:02,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2022-12-14 09:32:02,331 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 185 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:02,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 154 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:32:02,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2022-12-14 09:32:02,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1108. [2022-12-14 09:32:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1099 states have (on average 1.9854413102820747) internal successors, (2182), 1107 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2182 transitions. [2022-12-14 09:32:02,341 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2182 transitions. Word has length 24 [2022-12-14 09:32:02,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:02,341 INFO L495 AbstractCegarLoop]: Abstraction has 1108 states and 2182 transitions. [2022-12-14 09:32:02,341 INFO L496 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) [2022-12-14 09:32:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2182 transitions. [2022-12-14 09:32:02,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:32:02,341 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:02,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:02,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-12-14 09:32:02,342 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:02,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:02,342 INFO L85 PathProgramCache]: Analyzing trace with hash 277931908, now seen corresponding path program 24 times [2022-12-14 09:32:02,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:02,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61178017] [2022-12-14 09:32:02,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:02,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:02,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:02,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61178017] [2022-12-14 09:32:02,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61178017] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:02,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:02,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 09:32:02,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331733630] [2022-12-14 09:32:02,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:02,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 09:32:02,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:02,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 09:32:02,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-14 09:32:02,779 INFO L87 Difference]: Start difference. First operand 1108 states and 2182 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) [2022-12-14 09:32:04,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:04,054 INFO L93 Difference]: Finished difference Result 1570 states and 3062 transitions. [2022-12-14 09:32:04,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 09:32:04,055 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 [2022-12-14 09:32:04,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:04,056 INFO L225 Difference]: With dead ends: 1570 [2022-12-14 09:32:04,056 INFO L226 Difference]: Without dead ends: 1570 [2022-12-14 09:32:04,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=440, Unknown=0, NotChecked=0, Total=600 [2022-12-14 09:32:04,057 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 188 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:04,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 152 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 09:32:04,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-12-14 09:32:04,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1103. [2022-12-14 09:32:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 1094 states have (on average 1.9853747714808043) internal successors, (2172), 1102 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 2172 transitions. [2022-12-14 09:32:04,066 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 2172 transitions. Word has length 24 [2022-12-14 09:32:04,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:04,066 INFO L495 AbstractCegarLoop]: Abstraction has 1103 states and 2172 transitions. [2022-12-14 09:32:04,067 INFO L496 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) [2022-12-14 09:32:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 2172 transitions. [2022-12-14 09:32:04,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:32:04,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:04,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:04,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-12-14 09:32:04,067 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:04,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:04,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1514581536, now seen corresponding path program 25 times [2022-12-14 09:32:04,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:04,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778846455] [2022-12-14 09:32:04,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:04,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:04,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:04,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778846455] [2022-12-14 09:32:04,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778846455] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:04,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:04,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:32:04,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600282088] [2022-12-14 09:32:04,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:04,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:32:04,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:04,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:32:04,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:32:04,662 INFO L87 Difference]: Start difference. First operand 1103 states and 2172 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) [2022-12-14 09:32:05,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:05,986 INFO L93 Difference]: Finished difference Result 1588 states and 3096 transitions. [2022-12-14 09:32:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:32:05,986 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 [2022-12-14 09:32:05,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:05,988 INFO L225 Difference]: With dead ends: 1588 [2022-12-14 09:32:05,988 INFO L226 Difference]: Without dead ends: 1588 [2022-12-14 09:32:05,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2022-12-14 09:32:05,988 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 187 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:05,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 150 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 09:32:05,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2022-12-14 09:32:05,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1098. [2022-12-14 09:32:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1089 states have (on average 1.985307621671258) internal successors, (2162), 1097 states have internal predecessors, (2162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 2162 transitions. [2022-12-14 09:32:05,998 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 2162 transitions. Word has length 24 [2022-12-14 09:32:05,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:05,998 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 2162 transitions. [2022-12-14 09:32:05,999 INFO L496 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) [2022-12-14 09:32:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 2162 transitions. [2022-12-14 09:32:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:32:05,999 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:05,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:05,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-12-14 09:32:05,999 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:05,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:05,999 INFO L85 PathProgramCache]: Analyzing trace with hash -2006344414, now seen corresponding path program 26 times [2022-12-14 09:32:06,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:06,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235349484] [2022-12-14 09:32:06,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:06,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:06,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:06,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235349484] [2022-12-14 09:32:06,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235349484] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:06,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:06,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:32:06,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586838699] [2022-12-14 09:32:06,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:06,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:32:06,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:06,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:32:06,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:32:06,547 INFO L87 Difference]: Start difference. First operand 1098 states and 2162 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) [2022-12-14 09:32:07,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:07,567 INFO L93 Difference]: Finished difference Result 2046 states and 3964 transitions. [2022-12-14 09:32:07,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-14 09:32:07,567 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 [2022-12-14 09:32:07,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:07,569 INFO L225 Difference]: With dead ends: 2046 [2022-12-14 09:32:07,569 INFO L226 Difference]: Without dead ends: 2046 [2022-12-14 09:32:07,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=502, Unknown=0, NotChecked=0, Total=702 [2022-12-14 09:32:07,569 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 301 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:07,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 174 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:32:07,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2022-12-14 09:32:07,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1063. [2022-12-14 09:32:07,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1054 states have (on average 1.984819734345351) internal successors, (2092), 1062 states have internal predecessors, (2092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 2092 transitions. [2022-12-14 09:32:07,584 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 2092 transitions. Word has length 24 [2022-12-14 09:32:07,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:07,585 INFO L495 AbstractCegarLoop]: Abstraction has 1063 states and 2092 transitions. [2022-12-14 09:32:07,585 INFO L496 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) [2022-12-14 09:32:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 2092 transitions. [2022-12-14 09:32:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:32:07,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:07,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:07,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-12-14 09:32:07,585 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:07,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:07,586 INFO L85 PathProgramCache]: Analyzing trace with hash 471720382, now seen corresponding path program 27 times [2022-12-14 09:32:07,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:07,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757331667] [2022-12-14 09:32:07,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:07,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:08,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:08,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757331667] [2022-12-14 09:32:08,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757331667] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:08,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:08,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:32:08,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295404978] [2022-12-14 09:32:08,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:08,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:32:08,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:08,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:32:08,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:32:08,170 INFO L87 Difference]: Start difference. First operand 1063 states and 2092 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) [2022-12-14 09:32:09,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:09,431 INFO L93 Difference]: Finished difference Result 2196 states and 4212 transitions. [2022-12-14 09:32:09,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 09:32:09,431 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 [2022-12-14 09:32:09,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:09,433 INFO L225 Difference]: With dead ends: 2196 [2022-12-14 09:32:09,433 INFO L226 Difference]: Without dead ends: 2196 [2022-12-14 09:32:09,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=616, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:32:09,434 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 275 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:09,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 300 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:32:09,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2022-12-14 09:32:09,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 1058. [2022-12-14 09:32:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1049 states have (on average 1.9847473784556722) internal successors, (2082), 1057 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 2082 transitions. [2022-12-14 09:32:09,446 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 2082 transitions. Word has length 24 [2022-12-14 09:32:09,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:09,446 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 2082 transitions. [2022-12-14 09:32:09,446 INFO L496 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) [2022-12-14 09:32:09,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 2082 transitions. [2022-12-14 09:32:09,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 09:32:09,446 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:09,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:09,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-12-14 09:32:09,447 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:09,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:09,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1774918716, now seen corresponding path program 28 times [2022-12-14 09:32:09,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:09,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415147216] [2022-12-14 09:32:09,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:09,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:10,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:10,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415147216] [2022-12-14 09:32:10,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415147216] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:10,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:10,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:32:10,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763862972] [2022-12-14 09:32:10,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:10,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:32:10,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:10,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:32:10,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:32:10,136 INFO L87 Difference]: Start difference. First operand 1058 states and 2082 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) [2022-12-14 09:32:11,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:11,402 INFO L93 Difference]: Finished difference Result 1738 states and 3339 transitions. [2022-12-14 09:32:11,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-14 09:32:11,403 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 [2022-12-14 09:32:11,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:11,404 INFO L225 Difference]: With dead ends: 1738 [2022-12-14 09:32:11,404 INFO L226 Difference]: Without dead ends: 1738 [2022-12-14 09:32:11,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=265, Invalid=857, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 09:32:11,405 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 399 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:11,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 139 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:32:11,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-12-14 09:32:11,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1034. [2022-12-14 09:32:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1025 states have (on average 1.984390243902439) internal successors, (2034), 1033 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 2034 transitions. [2022-12-14 09:32:11,421 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 2034 transitions. Word has length 24 [2022-12-14 09:32:11,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:11,421 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 2034 transitions. [2022-12-14 09:32:11,421 INFO L496 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) [2022-12-14 09:32:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 2034 transitions. [2022-12-14 09:32:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 09:32:11,422 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:11,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:11,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-12-14 09:32:11,422 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:11,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:11,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1802487074, now seen corresponding path program 1 times [2022-12-14 09:32:11,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:11,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417159707] [2022-12-14 09:32:11,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:11,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:12,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:12,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:12,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417159707] [2022-12-14 09:32:12,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417159707] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:12,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:12,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:32:12,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705533389] [2022-12-14 09:32:12,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:12,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:32:12,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:12,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:32:12,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:32:12,126 INFO L87 Difference]: Start difference. First operand 1034 states and 2034 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:13,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:13,450 INFO L93 Difference]: Finished difference Result 2004 states and 3869 transitions. [2022-12-14 09:32:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 09:32:13,451 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-14 09:32:13,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:13,452 INFO L225 Difference]: With dead ends: 2004 [2022-12-14 09:32:13,453 INFO L226 Difference]: Without dead ends: 2004 [2022-12-14 09:32:13,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2022-12-14 09:32:13,453 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 240 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:13,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 199 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:32:13,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2022-12-14 09:32:13,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1039. [2022-12-14 09:32:13,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1030 states have (on average 1.9844660194174757) internal successors, (2044), 1038 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 2044 transitions. [2022-12-14 09:32:13,463 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 2044 transitions. Word has length 25 [2022-12-14 09:32:13,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:13,463 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 2044 transitions. [2022-12-14 09:32:13,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 2044 transitions. [2022-12-14 09:32:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 09:32:13,464 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:13,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:13,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-12-14 09:32:13,464 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:13,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:13,464 INFO L85 PathProgramCache]: Analyzing trace with hash 238979932, now seen corresponding path program 2 times [2022-12-14 09:32:13,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:13,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83593862] [2022-12-14 09:32:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:13,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:14,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:14,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83593862] [2022-12-14 09:32:14,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83593862] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:14,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:14,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 09:32:14,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830508970] [2022-12-14 09:32:14,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:14,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:32:14,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:14,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:32:14,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:32:14,375 INFO L87 Difference]: Start difference. First operand 1039 states and 2044 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:15,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:15,673 INFO L93 Difference]: Finished difference Result 2084 states and 3994 transitions. [2022-12-14 09:32:15,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 09:32:15,673 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-14 09:32:15,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:15,675 INFO L225 Difference]: With dead ends: 2084 [2022-12-14 09:32:15,675 INFO L226 Difference]: Without dead ends: 2084 [2022-12-14 09:32:15,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=616, Unknown=0, NotChecked=0, Total=812 [2022-12-14 09:32:15,675 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 268 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:15,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 260 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:32:15,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2022-12-14 09:32:15,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 944. [2022-12-14 09:32:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 936 states have (on average 1.9861111111111112) internal successors, (1859), 943 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:15,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1859 transitions. [2022-12-14 09:32:15,686 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1859 transitions. Word has length 25 [2022-12-14 09:32:15,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:15,686 INFO L495 AbstractCegarLoop]: Abstraction has 944 states and 1859 transitions. [2022-12-14 09:32:15,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:15,686 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1859 transitions. [2022-12-14 09:32:15,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 09:32:15,687 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:15,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:15,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-12-14 09:32:15,687 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:15,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:15,687 INFO L85 PathProgramCache]: Analyzing trace with hash -459479650, now seen corresponding path program 1 times [2022-12-14 09:32:15,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:15,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300189295] [2022-12-14 09:32:15,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:15,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:15,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:15,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300189295] [2022-12-14 09:32:15,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300189295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:15,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:15,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:32:15,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708733438] [2022-12-14 09:32:15,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:15,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:32:15,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:15,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:32:15,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:32:15,898 INFO L87 Difference]: Start difference. First operand 944 states and 1859 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) [2022-12-14 09:32:16,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:16,230 INFO L93 Difference]: Finished difference Result 1047 states and 2060 transitions. [2022-12-14 09:32:16,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:32:16,230 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 [2022-12-14 09:32:16,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:16,231 INFO L225 Difference]: With dead ends: 1047 [2022-12-14 09:32:16,231 INFO L226 Difference]: Without dead ends: 1047 [2022-12-14 09:32:16,231 INFO L412 NwaCegarLoop]: 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 [2022-12-14 09:32:16,231 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 36 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:16,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 29 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 09:32:16,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2022-12-14 09:32:16,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1008. [2022-12-14 09:32:16,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 1000 states have (on average 1.984) internal successors, (1984), 1007 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:16,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1984 transitions. [2022-12-14 09:32:16,239 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1984 transitions. Word has length 27 [2022-12-14 09:32:16,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:16,240 INFO L495 AbstractCegarLoop]: Abstraction has 1008 states and 1984 transitions. [2022-12-14 09:32:16,240 INFO L496 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) [2022-12-14 09:32:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1984 transitions. [2022-12-14 09:32:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 09:32:16,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:16,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:16,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-12-14 09:32:16,240 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:16,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:16,241 INFO L85 PathProgramCache]: Analyzing trace with hash 2142580432, now seen corresponding path program 1 times [2022-12-14 09:32:16,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:16,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520175497] [2022-12-14 09:32:16,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:16,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:16,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:16,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520175497] [2022-12-14 09:32:16,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520175497] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:16,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:16,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:32:16,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243251397] [2022-12-14 09:32:16,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:16,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:32:16,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:16,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:32:16,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:32:16,322 INFO L87 Difference]: Start difference. First operand 1008 states and 1984 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:16,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:16,438 INFO L93 Difference]: Finished difference Result 364 states and 653 transitions. [2022-12-14 09:32:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:32:16,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have 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 [2022-12-14 09:32:16,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:16,439 INFO L225 Difference]: With dead ends: 364 [2022-12-14 09:32:16,439 INFO L226 Difference]: Without dead ends: 364 [2022-12-14 09:32:16,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:32:16,439 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 30 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:16,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 42 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:32:16,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-12-14 09:32:16,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 280. [2022-12-14 09:32:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 278 states have (on average 1.7697841726618706) internal successors, (492), 279 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 492 transitions. [2022-12-14 09:32:16,441 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 492 transitions. Word has length 30 [2022-12-14 09:32:16,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:16,442 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 492 transitions. [2022-12-14 09:32:16,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 492 transitions. [2022-12-14 09:32:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 09:32:16,442 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:32:16,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:16,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-12-14 09:32:16,442 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-12-14 09:32:16,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:32:16,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1583004387, now seen corresponding path program 1 times [2022-12-14 09:32:16,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:32:16,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964131323] [2022-12-14 09:32:16,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:32:16,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:32:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:32:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:32:16,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:32:16,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964131323] [2022-12-14 09:32:16,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964131323] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:32:16,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:32:16,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:32:16,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170591339] [2022-12-14 09:32:16,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:32:16,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:32:16,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:32:16,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:32:16,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:32:16,680 INFO L87 Difference]: Start difference. First operand 280 states and 492 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:16,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:32:16,816 INFO L93 Difference]: Finished difference Result 277 states and 488 transitions. [2022-12-14 09:32:16,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:32:16,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-12-14 09:32:16,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:32:16,817 INFO L225 Difference]: With dead ends: 277 [2022-12-14 09:32:16,817 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 09:32:16,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:32:16,817 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:32:16,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 24 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:32:16,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 09:32:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 09:32:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 09:32:16,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-12-14 09:32:16,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:32:16,818 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 09:32:16,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:32:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 09:32:16,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2022-12-14 09:32:16,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2022-12-14 09:32:16,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2022-12-14 09:32:16,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-12-14 09:32:16,823 INFO L445 BasicCegarLoop]: Path program histogram: [28, 22, 21, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:32:16,826 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 09:32:16,826 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:32:16,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:32:16 BasicIcfg [2022-12-14 09:32:16,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:32:16,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:32:16,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:32:16,827 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:32:16,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:27:54" (3/4) ... [2022-12-14 09:32:16,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 09:32:16,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-14 09:32:16,836 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 09:32:16,836 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 09:32:16,837 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 09:32:16,870 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:32:16,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:32:16,870 INFO L158 Benchmark]: Toolchain (without parser) took 263644.17ms. Allocated memory was 197.1MB in the beginning and 285.2MB in the end (delta: 88.1MB). Free memory was 144.1MB in the beginning and 231.0MB in the end (delta: -86.9MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2022-12-14 09:32:16,870 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:32:16,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.77ms. Allocated memory is still 197.1MB. Free memory was 143.6MB in the beginning and 153.7MB in the end (delta: -10.1MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-12-14 09:32:16,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.05ms. Allocated memory is still 197.1MB. Free memory was 153.7MB in the beginning and 149.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:32:16,871 INFO L158 Benchmark]: Boogie Preprocessor took 36.96ms. Allocated memory is still 197.1MB. Free memory was 149.5MB in the beginning and 147.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:32:16,871 INFO L158 Benchmark]: RCFGBuilder took 459.75ms. Allocated memory is still 197.1MB. Free memory was 147.4MB in the beginning and 122.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 09:32:16,871 INFO L158 Benchmark]: TraceAbstraction took 262527.11ms. Allocated memory was 197.1MB in the beginning and 285.2MB in the end (delta: 88.1MB). Free memory was 121.2MB in the beginning and 161.6MB in the end (delta: -40.4MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2022-12-14 09:32:16,871 INFO L158 Benchmark]: Witness Printer took 42.82ms. Allocated memory is still 285.2MB. Free memory was 161.6MB in the beginning and 231.0MB in the end (delta: -69.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:32:16,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.77ms. Allocated memory is still 197.1MB. Free memory was 143.6MB in the beginning and 153.7MB in the end (delta: -10.1MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.05ms. Allocated memory is still 197.1MB. Free memory was 153.7MB in the beginning and 149.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.96ms. Allocated memory is still 197.1MB. Free memory was 149.5MB in the beginning and 147.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.75ms. Allocated memory is still 197.1MB. Free memory was 147.4MB in the beginning and 122.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 262527.11ms. Allocated memory was 197.1MB in the beginning and 285.2MB in the end (delta: 88.1MB). Free memory was 121.2MB in the beginning and 161.6MB in the end (delta: -40.4MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Witness Printer took 42.82ms. Allocated memory is still 285.2MB. Free memory was 161.6MB in the beginning and 231.0MB in the end (delta: -69.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111.4s, 208 PlacesBefore, 72 PlacesAfterwards, 204 TransitionsBefore, 68 TransitionsAfterwards, 4288 CoEnabledTransitionPairs, 21 FixpointIterations, 129 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 209 TotalNumberOfCompositions, 59692 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13055, independent: 10809, independent conditional: 0, independent unconditional: 10809, dependent: 2246, dependent conditional: 0, dependent unconditional: 2246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3068, independent: 2923, independent conditional: 0, independent unconditional: 2923, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3068, independent: 2491, independent conditional: 0, independent unconditional: 2491, dependent: 577, dependent conditional: 0, dependent unconditional: 577, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 577, independent: 432, independent conditional: 0, independent unconditional: 432, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 525, independent: 219, independent conditional: 0, independent unconditional: 219, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13055, independent: 7886, independent conditional: 0, independent unconditional: 7886, dependent: 2101, dependent conditional: 0, dependent unconditional: 2101, unknown: 3068, unknown conditional: 0, unknown unconditional: 3068] , Statistics on independence cache: Total cache size (in pairs): 435, Positive cache size: 345, Positive conditional cache size: 0, Positive unconditional cache size: 345, Negative cache size: 90, Negative conditional cache size: 0, Negative unconditional cache size: 90, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1248]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1249]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1250]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1250]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1254]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1240]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 274 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 262.4s, OverallIterations: 93, TraceHistogramMax: 1, PathProgramHistogramMax: 28, EmptinessCheckTime: 0.0s, AutomataDifference: 105.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 111.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20733 SdHoareTripleChecker+Valid, 86.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20733 mSDsluCounter, 11814 SdHoareTripleChecker+Invalid, 78.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8192 mSDsCounter, 6282 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106864 IncrementalHoareTripleChecker+Invalid, 113146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6282 mSolverCounterUnsat, 3622 mSDtfsCounter, 106864 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2321 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 2150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11349 ImplicationChecksByTransitivity, 22.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1290occurred in iteration=42, InterpolantAutomatonStates: 1821, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 93 MinimizatonAttempts, 55387 StatesRemovedByMinimization, 89 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 42.1s InterpolantComputationTime, 1785 NumberOfCodeBlocks, 1785 NumberOfCodeBlocksAsserted, 93 NumberOfCheckSat, 1692 ConstructedInterpolants, 0 QuantifiedInterpolants, 32051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 93 InterpolantComputations, 93 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 09:32:16,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bf68e4-136e-4383-b423-b57b07f45107/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE