/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_07-tricky_address2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:49:11,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:49:11,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:49:11,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:49:11,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:49:11,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:49:11,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:49:11,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 16:49:11,955 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:49:11,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:49:11,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:49:11,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:49:11,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:49:11,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:49:11,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:49:11,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:49:11,958 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:49:11,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:49:11,958 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:49:11,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:49:11,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:49:11,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:49:11,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:49:11,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:49:11,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:49:11,959 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:49:11,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:49:11,959 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:49:11,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:49:11,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:49:11,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:49:11,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:49:11,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:49:11,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:49:11,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:49:11,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:49:11,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:49:11,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:49:11,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:49:11,960 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:49:11,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:49:11,961 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:49:12,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:49:12,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:49:12,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:49:12,138 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:49:12,146 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:49:12,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_07-tricky_address2.i [2022-03-01 16:49:12,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96355f37/bd3055f696134b4a81c71a01ec3277ad/FLAG2c77c20e1 [2022-03-01 16:49:12,912 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:49:12,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_07-tricky_address2.i [2022-03-01 16:49:12,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96355f37/bd3055f696134b4a81c71a01ec3277ad/FLAG2c77c20e1 [2022-03-01 16:49:13,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96355f37/bd3055f696134b4a81c71a01ec3277ad [2022-03-01 16:49:13,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:49:13,114 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:49:13,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:49:13,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:49:13,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:49:13,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a86ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13, skipping insertion in model container [2022-03-01 16:49:13,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:49:13,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:49:13,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:49:13,714 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:49:13,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:49:13,807 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:49:13,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13 WrapperNode [2022-03-01 16:49:13,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:49:13,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:49:13,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:49:13,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:49:13,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,901 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-03-01 16:49:13,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:49:13,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:49:13,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:49:13,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:49:13,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:49:13,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:49:13,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:49:13,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:49:13,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:49:14,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:14,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 16:49:14,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 16:49:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:49:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:49:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:49:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:49:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 16:49:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:49:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 16:49:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 16:49:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:49:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:49:14,117 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:49:14,260 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:49:14,261 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:49:14,458 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:49:14,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:49:14,463 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-01 16:49:14,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:49:14 BoogieIcfgContainer [2022-03-01 16:49:14,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:49:14,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:49:14,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:49:14,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:49:14,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:49:13" (1/3) ... [2022-03-01 16:49:14,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4c045a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:49:14, skipping insertion in model container [2022-03-01 16:49:14,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13" (2/3) ... [2022-03-01 16:49:14,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4c045a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:49:14, skipping insertion in model container [2022-03-01 16:49:14,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:49:14" (3/3) ... [2022-03-01 16:49:14,472 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_07-tricky_address2.i [2022-03-01 16:49:14,478 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:49:14,478 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:49:14,479 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-01 16:49:14,479 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:49:14,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,543 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:14,560 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 16:49:14,597 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:49:14,605 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:49:14,605 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-01 16:49:14,614 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 103 places, 103 transitions, 211 flow [2022-03-01 16:49:14,675 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-01 16:49:14,687 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:14,687 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:14,687 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:14,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:14,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1298122157, now seen corresponding path program 1 times [2022-03-01 16:49:14,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:14,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435652537] [2022-03-01 16:49:14,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:14,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:14,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:14,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435652537] [2022-03-01 16:49:14,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435652537] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:14,864 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:14,864 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:49:14,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705977556] [2022-03-01 16:49:14,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:14,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:49:14,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:14,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:49:14,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:49:14,906 INFO L87 Difference]: Start difference. First operand has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 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, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:14,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:14,974 INFO L93 Difference]: Finished difference Result 1102 states and 2105 transitions. [2022-03-01 16:49:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:49:14,977 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-03-01 16:49:14,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:15,026 INFO L225 Difference]: With dead ends: 1102 [2022-03-01 16:49:15,026 INFO L226 Difference]: Without dead ends: 1090 [2022-03-01 16:49:15,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:49:15,039 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:15,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:15,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2022-03-01 16:49:15,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2022-03-01 16:49:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1080 states have (on average 1.9277777777777778) internal successors, (2082), 1089 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) [2022-03-01 16:49:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 2082 transitions. [2022-03-01 16:49:15,235 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 2082 transitions. Word has length 37 [2022-03-01 16:49:15,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:15,236 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 2082 transitions. [2022-03-01 16:49:15,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 2082 transitions. [2022-03-01 16:49:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-01 16:49:15,237 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:15,237 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:15,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:49:15,237 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:15,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:15,238 INFO L85 PathProgramCache]: Analyzing trace with hash -779087186, now seen corresponding path program 1 times [2022-03-01 16:49:15,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:15,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7594591] [2022-03-01 16:49:15,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:15,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:15,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:15,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7594591] [2022-03-01 16:49:15,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7594591] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:15,378 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:15,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:49:15,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844999153] [2022-03-01 16:49:15,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:15,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:49:15,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:15,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:49:15,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:49:15,381 INFO L87 Difference]: Start difference. First operand 1090 states and 2082 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:15,421 INFO L93 Difference]: Finished difference Result 1094 states and 2086 transitions. [2022-03-01 16:49:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:49:15,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-03-01 16:49:15,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:15,468 INFO L225 Difference]: With dead ends: 1094 [2022-03-01 16:49:15,468 INFO L226 Difference]: Without dead ends: 1094 [2022-03-01 16:49:15,468 INFO L932 BasicCegarLoop]: 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 [2022-03-01 16:49:15,469 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 3 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:15,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 184 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:15,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2022-03-01 16:49:15,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1091. [2022-03-01 16:49:15,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1081 states have (on average 1.9269195189639223) internal successors, (2083), 1090 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 2083 transitions. [2022-03-01 16:49:15,537 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 2083 transitions. Word has length 37 [2022-03-01 16:49:15,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:15,537 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 2083 transitions. [2022-03-01 16:49:15,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2083 transitions. [2022-03-01 16:49:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-01 16:49:15,538 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:15,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:15,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:49:15,538 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:15,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:15,539 INFO L85 PathProgramCache]: Analyzing trace with hash 624473633, now seen corresponding path program 1 times [2022-03-01 16:49:15,539 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:15,539 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588037152] [2022-03-01 16:49:15,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:15,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:15,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:15,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588037152] [2022-03-01 16:49:15,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588037152] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:15,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970735062] [2022-03-01 16:49:15,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:15,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:15,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:15,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:15,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 16:49:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:15,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 16:49:15,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:15,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:16,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:16,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970735062] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:16,110 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:16,110 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 16:49:16,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716243390] [2022-03-01 16:49:16,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:16,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:16,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:16,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:16,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:16,113 INFO L87 Difference]: Start difference. First operand 1091 states and 2083 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:16,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:16,190 INFO L93 Difference]: Finished difference Result 1101 states and 2093 transitions. [2022-03-01 16:49:16,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:49:16,190 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-03-01 16:49:16,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:16,193 INFO L225 Difference]: With dead ends: 1101 [2022-03-01 16:49:16,194 INFO L226 Difference]: Without dead ends: 1101 [2022-03-01 16:49:16,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:49:16,195 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 10 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:16,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 547 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:16,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-03-01 16:49:16,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1101. [2022-03-01 16:49:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 1091 states have (on average 1.9184234647112741) internal successors, (2093), 1100 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:16,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 2093 transitions. [2022-03-01 16:49:16,232 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 2093 transitions. Word has length 42 [2022-03-01 16:49:16,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:16,232 INFO L470 AbstractCegarLoop]: Abstraction has 1101 states and 2093 transitions. [2022-03-01 16:49:16,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:16,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 2093 transitions. [2022-03-01 16:49:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-01 16:49:16,234 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:16,234 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:16,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:16,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:16,450 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:16,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:16,451 INFO L85 PathProgramCache]: Analyzing trace with hash 653292097, now seen corresponding path program 2 times [2022-03-01 16:49:16,451 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:16,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208884987] [2022-03-01 16:49:16,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:16,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:16,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:16,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208884987] [2022-03-01 16:49:16,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208884987] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:16,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619004977] [2022-03-01 16:49:16,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:16,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:16,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:16,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:16,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 16:49:16,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:16,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:16,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-01 16:49:16,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:16,713 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-01 16:49:16,734 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-01 16:49:16,735 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-03-01 16:49:16,766 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-01 16:49:16,767 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-03-01 16:49:16,809 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-01 16:49:16,809 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-03-01 16:49:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 16:49:16,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:16,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619004977] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:16,829 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:16,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-03-01 16:49:16,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108361838] [2022-03-01 16:49:16,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:16,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:16,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:16,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:16,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:49:16,830 INFO L87 Difference]: Start difference. First operand 1101 states and 2093 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:17,012 INFO L93 Difference]: Finished difference Result 1384 states and 2630 transitions. [2022-03-01 16:49:17,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:17,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-03-01 16:49:17,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:17,018 INFO L225 Difference]: With dead ends: 1384 [2022-03-01 16:49:17,018 INFO L226 Difference]: Without dead ends: 1384 [2022-03-01 16:49:17,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:49:17,019 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 136 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:17,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 364 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2022-03-01 16:49:17,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1124. [2022-03-01 16:49:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1116 states have (on average 1.9130824372759856) internal successors, (2135), 1123 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 2135 transitions. [2022-03-01 16:49:17,039 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 2135 transitions. Word has length 52 [2022-03-01 16:49:17,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:17,039 INFO L470 AbstractCegarLoop]: Abstraction has 1124 states and 2135 transitions. [2022-03-01 16:49:17,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2135 transitions. [2022-03-01 16:49:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-01 16:49:17,041 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:17,041 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:17,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:17,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-01 16:49:17,258 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:17,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:17,258 INFO L85 PathProgramCache]: Analyzing trace with hash -406389930, now seen corresponding path program 1 times [2022-03-01 16:49:17,258 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:17,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260352249] [2022-03-01 16:49:17,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:17,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:17,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:17,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260352249] [2022-03-01 16:49:17,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260352249] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:17,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115979370] [2022-03-01 16:49:17,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:17,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:17,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:17,340 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:17,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 16:49:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:17,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 16:49:17,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:17,531 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:17,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:17,688 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115979370] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:17,688 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:17,688 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-01 16:49:17,688 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057848967] [2022-03-01 16:49:17,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:17,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:49:17,690 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:17,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:49:17,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:17,691 INFO L87 Difference]: Start difference. First operand 1124 states and 2135 transitions. Second operand has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:17,885 INFO L93 Difference]: Finished difference Result 1144 states and 2155 transitions. [2022-03-01 16:49:17,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:49:17,886 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-03-01 16:49:17,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:17,891 INFO L225 Difference]: With dead ends: 1144 [2022-03-01 16:49:17,891 INFO L226 Difference]: Without dead ends: 1144 [2022-03-01 16:49:17,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:49:17,893 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 31 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:17,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 550 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:17,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-03-01 16:49:17,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1144. [2022-03-01 16:49:17,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1136 states have (on average 1.8970070422535212) internal successors, (2155), 1143 states have internal predecessors, (2155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 2155 transitions. [2022-03-01 16:49:17,917 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 2155 transitions. Word has length 60 [2022-03-01 16:49:17,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:17,917 INFO L470 AbstractCegarLoop]: Abstraction has 1144 states and 2155 transitions. [2022-03-01 16:49:17,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2155 transitions. [2022-03-01 16:49:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-03-01 16:49:17,919 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:17,920 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:17,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:18,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:18,135 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:18,136 INFO L85 PathProgramCache]: Analyzing trace with hash 232143766, now seen corresponding path program 2 times [2022-03-01 16:49:18,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:18,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568921800] [2022-03-01 16:49:18,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:18,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:18,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:18,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568921800] [2022-03-01 16:49:18,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568921800] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:18,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710381734] [2022-03-01 16:49:18,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:18,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:18,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:18,321 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:18,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 16:49:18,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:18,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:18,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-01 16:49:18,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:18,481 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-01 16:49:18,506 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-01 16:49:18,507 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-03-01 16:49:18,547 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-01 16:49:18,547 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-03-01 16:49:18,589 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-01 16:49:18,589 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-03-01 16:49:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-01 16:49:18,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:18,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710381734] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:18,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:18,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-03-01 16:49:18,610 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350070805] [2022-03-01 16:49:18,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:18,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:18,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:18,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:18,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:18,611 INFO L87 Difference]: Start difference. First operand 1144 states and 2155 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:18,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:18,815 INFO L93 Difference]: Finished difference Result 1501 states and 2816 transitions. [2022-03-01 16:49:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:18,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-03-01 16:49:18,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:18,820 INFO L225 Difference]: With dead ends: 1501 [2022-03-01 16:49:18,821 INFO L226 Difference]: Without dead ends: 1357 [2022-03-01 16:49:18,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:18,821 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 124 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:18,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 431 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:18,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2022-03-01 16:49:18,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1068. [2022-03-01 16:49:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1061 states have (on average 1.878416588124411) internal successors, (1993), 1067 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:18,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1993 transitions. [2022-03-01 16:49:18,860 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1993 transitions. Word has length 80 [2022-03-01 16:49:18,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:18,860 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1993 transitions. [2022-03-01 16:49:18,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1993 transitions. [2022-03-01 16:49:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-03-01 16:49:18,875 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:18,875 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:18,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:19,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:19,092 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:19,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:19,092 INFO L85 PathProgramCache]: Analyzing trace with hash -109360466, now seen corresponding path program 1 times [2022-03-01 16:49:19,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:19,093 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832656010] [2022-03-01 16:49:19,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:19,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:19,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:19,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832656010] [2022-03-01 16:49:19,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832656010] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:19,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121646642] [2022-03-01 16:49:19,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:19,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:19,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:19,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:19,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 16:49:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:19,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-01 16:49:19,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:19,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:19,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121646642] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:19,623 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:19,623 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-03-01 16:49:19,623 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194740660] [2022-03-01 16:49:19,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:19,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:49:19,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:19,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:49:19,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:49:19,624 INFO L87 Difference]: Start difference. First operand 1068 states and 1993 transitions. Second operand has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:19,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:19,838 INFO L93 Difference]: Finished difference Result 1083 states and 2008 transitions. [2022-03-01 16:49:19,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:49:19,838 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-03-01 16:49:19,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:19,842 INFO L225 Difference]: With dead ends: 1083 [2022-03-01 16:49:19,842 INFO L226 Difference]: Without dead ends: 1083 [2022-03-01 16:49:19,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:49:19,843 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 43 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:19,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 636 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:19,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2022-03-01 16:49:19,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1083. [2022-03-01 16:49:19,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8661710037174721) internal successors, (2008), 1082 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:19,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 2008 transitions. [2022-03-01 16:49:19,861 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 2008 transitions. Word has length 81 [2022-03-01 16:49:19,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:19,861 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 2008 transitions. [2022-03-01 16:49:19,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 2008 transitions. [2022-03-01 16:49:19,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-03-01 16:49:19,862 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:19,862 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:19,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:20,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:20,080 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:20,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:20,081 INFO L85 PathProgramCache]: Analyzing trace with hash 827906497, now seen corresponding path program 2 times [2022-03-01 16:49:20,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:20,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721274479] [2022-03-01 16:49:20,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:20,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:20,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:20,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721274479] [2022-03-01 16:49:20,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721274479] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:20,198 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:20,198 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:20,198 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278701460] [2022-03-01 16:49:20,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:20,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:20,199 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:20,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:20,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:20,200 INFO L87 Difference]: Start difference. First operand 1083 states and 2008 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:20,374 INFO L93 Difference]: Finished difference Result 1504 states and 2821 transitions. [2022-03-01 16:49:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:20,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-03-01 16:49:20,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:20,380 INFO L225 Difference]: With dead ends: 1504 [2022-03-01 16:49:20,380 INFO L226 Difference]: Without dead ends: 1504 [2022-03-01 16:49:20,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:20,382 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 104 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:20,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 285 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:20,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2022-03-01 16:49:20,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1124. [2022-03-01 16:49:20,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1117 states have (on average 1.8675022381378692) internal successors, (2086), 1123 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 2086 transitions. [2022-03-01 16:49:20,400 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 2086 transitions. Word has length 96 [2022-03-01 16:49:20,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:20,401 INFO L470 AbstractCegarLoop]: Abstraction has 1124 states and 2086 transitions. [2022-03-01 16:49:20,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2086 transitions. [2022-03-01 16:49:20,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-03-01 16:49:20,404 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:20,404 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:20,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 16:49:20,405 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:20,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:20,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1432249786, now seen corresponding path program 1 times [2022-03-01 16:49:20,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:20,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185832865] [2022-03-01 16:49:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:20,522 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:20,522 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:20,522 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185832865] [2022-03-01 16:49:20,522 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185832865] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:20,522 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:20,522 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:20,523 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053087902] [2022-03-01 16:49:20,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:20,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:20,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:20,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:20,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:20,536 INFO L87 Difference]: Start difference. First operand 1124 states and 2086 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:20,779 INFO L93 Difference]: Finished difference Result 1447 states and 2641 transitions. [2022-03-01 16:49:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:20,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-03-01 16:49:20,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:20,784 INFO L225 Difference]: With dead ends: 1447 [2022-03-01 16:49:20,784 INFO L226 Difference]: Without dead ends: 1150 [2022-03-01 16:49:20,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:20,786 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 104 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:20,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 299 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:20,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-03-01 16:49:20,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 903. [2022-03-01 16:49:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 896 states have (on average 1.8091517857142858) internal successors, (1621), 902 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1621 transitions. [2022-03-01 16:49:20,802 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1621 transitions. Word has length 104 [2022-03-01 16:49:20,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:20,802 INFO L470 AbstractCegarLoop]: Abstraction has 903 states and 1621 transitions. [2022-03-01 16:49:20,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1621 transitions. [2022-03-01 16:49:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:20,803 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:20,803 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:20,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 16:49:20,803 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:20,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:20,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1475514096, now seen corresponding path program 1 times [2022-03-01 16:49:20,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:20,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212857974] [2022-03-01 16:49:20,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:20,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:21,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:21,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212857974] [2022-03-01 16:49:21,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212857974] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:21,087 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:21,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:21,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896317762] [2022-03-01 16:49:21,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:21,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:21,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:21,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:21,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:21,088 INFO L87 Difference]: Start difference. First operand 903 states and 1621 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:21,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:21,841 INFO L93 Difference]: Finished difference Result 1176 states and 2069 transitions. [2022-03-01 16:49:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:21,841 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:21,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:21,844 INFO L225 Difference]: With dead ends: 1176 [2022-03-01 16:49:21,844 INFO L226 Difference]: Without dead ends: 1135 [2022-03-01 16:49:21,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:49:21,845 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 268 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:21,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 635 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:21,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-03-01 16:49:21,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 898. [2022-03-01 16:49:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 891 states have (on average 1.8159371492704826) internal successors, (1618), 897 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1618 transitions. [2022-03-01 16:49:21,858 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1618 transitions. Word has length 110 [2022-03-01 16:49:21,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:21,858 INFO L470 AbstractCegarLoop]: Abstraction has 898 states and 1618 transitions. [2022-03-01 16:49:21,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1618 transitions. [2022-03-01 16:49:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:21,859 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:21,859 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:21,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 16:49:21,859 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:21,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:21,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1432498022, now seen corresponding path program 2 times [2022-03-01 16:49:21,860 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:21,860 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626840961] [2022-03-01 16:49:21,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:21,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:22,173 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:22,173 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:22,173 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626840961] [2022-03-01 16:49:22,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626840961] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:22,173 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:22,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:22,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280227616] [2022-03-01 16:49:22,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:22,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:22,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:22,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:22,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:22,174 INFO L87 Difference]: Start difference. First operand 898 states and 1618 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:23,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:23,255 INFO L93 Difference]: Finished difference Result 1263 states and 2237 transitions. [2022-03-01 16:49:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:23,255 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:23,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:23,260 INFO L225 Difference]: With dead ends: 1263 [2022-03-01 16:49:23,261 INFO L226 Difference]: Without dead ends: 1233 [2022-03-01 16:49:23,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:49:23,262 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 218 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:23,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 789 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:49:23,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2022-03-01 16:49:23,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 909. [2022-03-01 16:49:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 902 states have (on average 1.8148558758314857) internal successors, (1637), 908 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1637 transitions. [2022-03-01 16:49:23,287 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1637 transitions. Word has length 110 [2022-03-01 16:49:23,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:23,287 INFO L470 AbstractCegarLoop]: Abstraction has 909 states and 1637 transitions. [2022-03-01 16:49:23,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1637 transitions. [2022-03-01 16:49:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:23,289 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:23,289 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:23,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 16:49:23,289 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:23,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:23,290 INFO L85 PathProgramCache]: Analyzing trace with hash -590607614, now seen corresponding path program 3 times [2022-03-01 16:49:23,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:23,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195863384] [2022-03-01 16:49:23,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:23,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:23,573 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:23,573 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:23,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195863384] [2022-03-01 16:49:23,573 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195863384] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:23,573 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:23,573 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:23,573 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595272663] [2022-03-01 16:49:23,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:23,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:23,574 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:23,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:23,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:23,575 INFO L87 Difference]: Start difference. First operand 909 states and 1637 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:24,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:24,195 INFO L93 Difference]: Finished difference Result 1211 states and 2159 transitions. [2022-03-01 16:49:24,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:24,196 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:24,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:24,199 INFO L225 Difference]: With dead ends: 1211 [2022-03-01 16:49:24,199 INFO L226 Difference]: Without dead ends: 1182 [2022-03-01 16:49:24,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:24,200 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 214 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:24,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 657 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:24,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-03-01 16:49:24,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 925. [2022-03-01 16:49:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 918 states have (on average 1.8028322440087146) internal successors, (1655), 924 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1655 transitions. [2022-03-01 16:49:24,214 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1655 transitions. Word has length 110 [2022-03-01 16:49:24,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:24,214 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1655 transitions. [2022-03-01 16:49:24,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:24,214 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1655 transitions. [2022-03-01 16:49:24,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:24,215 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:24,216 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:24,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-01 16:49:24,216 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:24,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:24,216 INFO L85 PathProgramCache]: Analyzing trace with hash -822391322, now seen corresponding path program 4 times [2022-03-01 16:49:24,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:24,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996537610] [2022-03-01 16:49:24,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:24,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:24,514 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:24,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996537610] [2022-03-01 16:49:24,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996537610] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:24,515 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:24,515 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:24,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652040603] [2022-03-01 16:49:24,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:24,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:24,515 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:24,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:24,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:24,516 INFO L87 Difference]: Start difference. First operand 925 states and 1655 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:25,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:25,453 INFO L93 Difference]: Finished difference Result 1284 states and 2285 transitions. [2022-03-01 16:49:25,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:25,453 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:25,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:25,461 INFO L225 Difference]: With dead ends: 1284 [2022-03-01 16:49:25,462 INFO L226 Difference]: Without dead ends: 1261 [2022-03-01 16:49:25,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:25,468 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 192 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:25,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 722 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:25,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2022-03-01 16:49:25,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 927. [2022-03-01 16:49:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 920 states have (on average 1.8021739130434782) internal successors, (1658), 926 states have internal predecessors, (1658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1658 transitions. [2022-03-01 16:49:25,487 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1658 transitions. Word has length 110 [2022-03-01 16:49:25,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:25,487 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1658 transitions. [2022-03-01 16:49:25,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1658 transitions. [2022-03-01 16:49:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:25,488 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:25,488 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:25,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-01 16:49:25,489 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:25,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:25,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1449470338, now seen corresponding path program 5 times [2022-03-01 16:49:25,489 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:25,489 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492399521] [2022-03-01 16:49:25,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:25,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:25,725 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:25,725 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492399521] [2022-03-01 16:49:25,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492399521] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:25,726 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:25,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:25,726 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662170492] [2022-03-01 16:49:25,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:25,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:25,727 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:25,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:25,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:25,727 INFO L87 Difference]: Start difference. First operand 927 states and 1658 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:26,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:26,529 INFO L93 Difference]: Finished difference Result 1321 states and 2352 transitions. [2022-03-01 16:49:26,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:26,530 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:26,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:26,533 INFO L225 Difference]: With dead ends: 1321 [2022-03-01 16:49:26,533 INFO L226 Difference]: Without dead ends: 1292 [2022-03-01 16:49:26,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:26,534 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 219 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:26,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 650 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:26,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2022-03-01 16:49:26,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 926. [2022-03-01 16:49:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 919 states have (on average 1.8030467899891187) internal successors, (1657), 925 states have internal predecessors, (1657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1657 transitions. [2022-03-01 16:49:26,548 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1657 transitions. Word has length 110 [2022-03-01 16:49:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:26,548 INFO L470 AbstractCegarLoop]: Abstraction has 926 states and 1657 transitions. [2022-03-01 16:49:26,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1657 transitions. [2022-03-01 16:49:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:26,549 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:26,549 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:26,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-01 16:49:26,550 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:26,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:26,550 INFO L85 PathProgramCache]: Analyzing trace with hash -280766288, now seen corresponding path program 6 times [2022-03-01 16:49:26,550 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:26,550 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118009834] [2022-03-01 16:49:26,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:26,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:26,767 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:26,767 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118009834] [2022-03-01 16:49:26,767 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118009834] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:26,767 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:26,767 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:26,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465820342] [2022-03-01 16:49:26,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:26,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:26,767 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:26,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:26,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:26,768 INFO L87 Difference]: Start difference. First operand 926 states and 1657 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:27,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:27,353 INFO L93 Difference]: Finished difference Result 1235 states and 2211 transitions. [2022-03-01 16:49:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:27,354 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:27,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:27,357 INFO L225 Difference]: With dead ends: 1235 [2022-03-01 16:49:27,357 INFO L226 Difference]: Without dead ends: 1199 [2022-03-01 16:49:27,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:27,358 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 185 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:27,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 743 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:27,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2022-03-01 16:49:27,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 946. [2022-03-01 16:49:27,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 939 states have (on average 1.807241746538871) internal successors, (1697), 945 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:27,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1697 transitions. [2022-03-01 16:49:27,388 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1697 transitions. Word has length 110 [2022-03-01 16:49:27,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:27,388 INFO L470 AbstractCegarLoop]: Abstraction has 946 states and 1697 transitions. [2022-03-01 16:49:27,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1697 transitions. [2022-03-01 16:49:27,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:27,389 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:27,389 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:27,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-01 16:49:27,389 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:27,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:27,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1073377992, now seen corresponding path program 7 times [2022-03-01 16:49:27,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:27,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983121230] [2022-03-01 16:49:27,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:27,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:27,694 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:27,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983121230] [2022-03-01 16:49:27,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983121230] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:27,694 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:27,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:27,694 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731807304] [2022-03-01 16:49:27,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:27,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:27,694 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:27,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:27,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:27,695 INFO L87 Difference]: Start difference. First operand 946 states and 1697 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:28,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:28,584 INFO L93 Difference]: Finished difference Result 1232 states and 2196 transitions. [2022-03-01 16:49:28,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:28,585 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:28,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:28,588 INFO L225 Difference]: With dead ends: 1232 [2022-03-01 16:49:28,588 INFO L226 Difference]: Without dead ends: 1209 [2022-03-01 16:49:28,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:49:28,589 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 188 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:28,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 713 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:28,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2022-03-01 16:49:28,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 949. [2022-03-01 16:49:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 942 states have (on average 1.8067940552016986) internal successors, (1702), 948 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:28,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1702 transitions. [2022-03-01 16:49:28,600 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1702 transitions. Word has length 110 [2022-03-01 16:49:28,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:28,601 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1702 transitions. [2022-03-01 16:49:28,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1702 transitions. [2022-03-01 16:49:28,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:28,602 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:28,602 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:28,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-01 16:49:28,602 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:28,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:28,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1198483668, now seen corresponding path program 8 times [2022-03-01 16:49:28,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:28,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765292065] [2022-03-01 16:49:28,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:28,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:28,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:28,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765292065] [2022-03-01 16:49:28,850 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765292065] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:28,850 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:28,850 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:28,850 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763356190] [2022-03-01 16:49:28,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:28,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:28,850 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:28,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:28,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:28,851 INFO L87 Difference]: Start difference. First operand 949 states and 1702 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:29,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:29,633 INFO L93 Difference]: Finished difference Result 1269 states and 2263 transitions. [2022-03-01 16:49:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:29,633 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:29,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:29,637 INFO L225 Difference]: With dead ends: 1269 [2022-03-01 16:49:29,637 INFO L226 Difference]: Without dead ends: 1240 [2022-03-01 16:49:29,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:29,637 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 214 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:29,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 644 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:29,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2022-03-01 16:49:29,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 948. [2022-03-01 16:49:29,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 941 states have (on average 1.8076514346439958) internal successors, (1701), 947 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) [2022-03-01 16:49:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1701 transitions. [2022-03-01 16:49:29,649 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1701 transitions. Word has length 110 [2022-03-01 16:49:29,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:29,649 INFO L470 AbstractCegarLoop]: Abstraction has 948 states and 1701 transitions. [2022-03-01 16:49:29,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:29,649 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1701 transitions. [2022-03-01 16:49:29,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:29,650 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:29,650 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:29,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-01 16:49:29,650 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:29,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:29,651 INFO L85 PathProgramCache]: Analyzing trace with hash -531752958, now seen corresponding path program 9 times [2022-03-01 16:49:29,651 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:29,651 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364576029] [2022-03-01 16:49:29,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:29,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:29,904 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:29,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:29,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364576029] [2022-03-01 16:49:29,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364576029] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:29,904 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:29,904 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:29,904 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627176081] [2022-03-01 16:49:29,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:29,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:29,905 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:29,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:29,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:29,905 INFO L87 Difference]: Start difference. First operand 948 states and 1701 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:30,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:30,471 INFO L93 Difference]: Finished difference Result 1324 states and 2356 transitions. [2022-03-01 16:49:30,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:30,472 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:30,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:30,486 INFO L225 Difference]: With dead ends: 1324 [2022-03-01 16:49:30,486 INFO L226 Difference]: Without dead ends: 1288 [2022-03-01 16:49:30,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:30,487 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 215 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:30,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 569 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:30,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2022-03-01 16:49:30,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 947. [2022-03-01 16:49:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 940 states have (on average 1.8074468085106383) internal successors, (1699), 946 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1699 transitions. [2022-03-01 16:49:30,499 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1699 transitions. Word has length 110 [2022-03-01 16:49:30,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:30,500 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1699 transitions. [2022-03-01 16:49:30,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1699 transitions. [2022-03-01 16:49:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:30,501 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:30,501 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:30,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-01 16:49:30,501 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:30,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:30,501 INFO L85 PathProgramCache]: Analyzing trace with hash -26692798, now seen corresponding path program 10 times [2022-03-01 16:49:30,501 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:30,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904746882] [2022-03-01 16:49:30,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:30,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:30,705 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:30,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904746882] [2022-03-01 16:49:30,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904746882] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:30,705 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:30,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:30,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118924808] [2022-03-01 16:49:30,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:30,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:30,706 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:30,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:30,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:30,707 INFO L87 Difference]: Start difference. First operand 947 states and 1699 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:31,139 INFO L93 Difference]: Finished difference Result 1177 states and 2109 transitions. [2022-03-01 16:49:31,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:31,139 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:31,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:31,141 INFO L225 Difference]: With dead ends: 1177 [2022-03-01 16:49:31,141 INFO L226 Difference]: Without dead ends: 1134 [2022-03-01 16:49:31,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:31,142 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 172 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:31,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 566 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:31,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2022-03-01 16:49:31,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 971. [2022-03-01 16:49:31,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 964 states have (on average 1.812240663900415) internal successors, (1747), 970 states have internal predecessors, (1747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1747 transitions. [2022-03-01 16:49:31,163 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1747 transitions. Word has length 110 [2022-03-01 16:49:31,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:31,163 INFO L470 AbstractCegarLoop]: Abstraction has 971 states and 1747 transitions. [2022-03-01 16:49:31,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,164 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1747 transitions. [2022-03-01 16:49:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:31,164 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:31,165 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:31,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-01 16:49:31,165 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:31,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:31,165 INFO L85 PathProgramCache]: Analyzing trace with hash 18344714, now seen corresponding path program 11 times [2022-03-01 16:49:31,165 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:31,165 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854511533] [2022-03-01 16:49:31,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:31,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:31,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:31,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854511533] [2022-03-01 16:49:31,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854511533] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:31,350 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:31,350 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:31,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678647295] [2022-03-01 16:49:31,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:31,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:31,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:31,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:31,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:31,352 INFO L87 Difference]: Start difference. First operand 971 states and 1747 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:31,837 INFO L93 Difference]: Finished difference Result 1712 states and 3095 transitions. [2022-03-01 16:49:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:31,837 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:31,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:31,840 INFO L225 Difference]: With dead ends: 1712 [2022-03-01 16:49:31,840 INFO L226 Difference]: Without dead ends: 1661 [2022-03-01 16:49:31,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:31,841 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 368 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:31,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 450 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:31,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2022-03-01 16:49:31,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1179. [2022-03-01 16:49:31,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 1172 states have (on average 1.8506825938566553) internal successors, (2169), 1178 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 2169 transitions. [2022-03-01 16:49:31,859 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 2169 transitions. Word has length 110 [2022-03-01 16:49:31,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:31,859 INFO L470 AbstractCegarLoop]: Abstraction has 1179 states and 2169 transitions. [2022-03-01 16:49:31,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2169 transitions. [2022-03-01 16:49:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:31,861 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:31,861 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:31,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-01 16:49:31,861 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:31,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:31,862 INFO L85 PathProgramCache]: Analyzing trace with hash -724763226, now seen corresponding path program 1 times [2022-03-01 16:49:31,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:31,862 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880402462] [2022-03-01 16:49:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:31,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:32,036 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:32,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880402462] [2022-03-01 16:49:32,037 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880402462] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:32,037 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:32,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:32,037 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245215121] [2022-03-01 16:49:32,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:32,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:32,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:32,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:32,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:32,038 INFO L87 Difference]: Start difference. First operand 1179 states and 2169 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:32,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:32,485 INFO L93 Difference]: Finished difference Result 1533 states and 2770 transitions. [2022-03-01 16:49:32,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:49:32,485 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:32,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:32,488 INFO L225 Difference]: With dead ends: 1533 [2022-03-01 16:49:32,488 INFO L226 Difference]: Without dead ends: 1485 [2022-03-01 16:49:32,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:32,490 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 350 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:32,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [350 Valid, 535 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:32,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2022-03-01 16:49:32,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1187. [2022-03-01 16:49:32,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1180 states have (on average 1.8483050847457627) internal successors, (2181), 1186 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2181 transitions. [2022-03-01 16:49:32,509 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2181 transitions. Word has length 110 [2022-03-01 16:49:32,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:32,509 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 2181 transitions. [2022-03-01 16:49:32,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:32,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2181 transitions. [2022-03-01 16:49:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:32,512 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:32,512 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:32,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-01 16:49:32,512 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:32,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:32,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2136923978, now seen corresponding path program 12 times [2022-03-01 16:49:32,513 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:32,513 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831604500] [2022-03-01 16:49:32,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:32,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:32,840 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:32,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:32,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831604500] [2022-03-01 16:49:32,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831604500] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:32,840 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:32,840 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:32,840 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300284784] [2022-03-01 16:49:32,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:32,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:32,841 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:32,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:32,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:32,841 INFO L87 Difference]: Start difference. First operand 1187 states and 2181 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:33,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:33,532 INFO L93 Difference]: Finished difference Result 1479 states and 2661 transitions. [2022-03-01 16:49:33,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:49:33,532 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:33,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:33,534 INFO L225 Difference]: With dead ends: 1479 [2022-03-01 16:49:33,535 INFO L226 Difference]: Without dead ends: 1456 [2022-03-01 16:49:33,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:33,535 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 180 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:33,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 645 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:33,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2022-03-01 16:49:33,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1187. [2022-03-01 16:49:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1180 states have (on average 1.847457627118644) internal successors, (2180), 1186 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2180 transitions. [2022-03-01 16:49:33,549 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2180 transitions. Word has length 110 [2022-03-01 16:49:33,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:33,549 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 2180 transitions. [2022-03-01 16:49:33,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2180 transitions. [2022-03-01 16:49:33,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:33,550 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:33,550 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:33,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-01 16:49:33,550 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:33,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:33,551 INFO L85 PathProgramCache]: Analyzing trace with hash 113818342, now seen corresponding path program 13 times [2022-03-01 16:49:33,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:33,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564585362] [2022-03-01 16:49:33,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:33,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:33,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:33,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564585362] [2022-03-01 16:49:33,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564585362] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:33,817 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:33,817 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:33,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022108467] [2022-03-01 16:49:33,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:33,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:33,817 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:33,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:33,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:33,818 INFO L87 Difference]: Start difference. First operand 1187 states and 2180 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:34,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:34,346 INFO L93 Difference]: Finished difference Result 1508 states and 2715 transitions. [2022-03-01 16:49:34,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:34,347 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:34,349 INFO L225 Difference]: With dead ends: 1508 [2022-03-01 16:49:34,349 INFO L226 Difference]: Without dead ends: 1479 [2022-03-01 16:49:34,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:34,350 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 208 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:34,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 489 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:34,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2022-03-01 16:49:34,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 1186. [2022-03-01 16:49:34,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1179 states have (on average 1.8481764206955047) internal successors, (2179), 1185 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:34,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 2179 transitions. [2022-03-01 16:49:34,363 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 2179 transitions. Word has length 110 [2022-03-01 16:49:34,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:34,364 INFO L470 AbstractCegarLoop]: Abstraction has 1186 states and 2179 transitions. [2022-03-01 16:49:34,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 2179 transitions. [2022-03-01 16:49:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:34,367 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:34,367 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:34,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-01 16:49:34,367 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:34,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:34,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1616418284, now seen corresponding path program 14 times [2022-03-01 16:49:34,367 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:34,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662369023] [2022-03-01 16:49:34,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:34,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:34,600 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:34,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:34,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662369023] [2022-03-01 16:49:34,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662369023] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:34,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:34,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:34,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195919828] [2022-03-01 16:49:34,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:34,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:34,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:34,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:34,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:34,601 INFO L87 Difference]: Start difference. First operand 1186 states and 2179 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:35,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:35,097 INFO L93 Difference]: Finished difference Result 1554 states and 2790 transitions. [2022-03-01 16:49:35,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:49:35,097 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:35,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:35,099 INFO L225 Difference]: With dead ends: 1554 [2022-03-01 16:49:35,099 INFO L226 Difference]: Without dead ends: 1518 [2022-03-01 16:49:35,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:35,100 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 271 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:35,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 448 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:35,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2022-03-01 16:49:35,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1185. [2022-03-01 16:49:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1178 states have (on average 1.8480475382003396) internal successors, (2177), 1184 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 2177 transitions. [2022-03-01 16:49:35,113 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 2177 transitions. Word has length 110 [2022-03-01 16:49:35,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:35,114 INFO L470 AbstractCegarLoop]: Abstraction has 1185 states and 2177 transitions. [2022-03-01 16:49:35,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:35,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2177 transitions. [2022-03-01 16:49:35,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:35,118 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:35,119 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:35,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-01 16:49:35,119 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:35,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:35,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1111358124, now seen corresponding path program 15 times [2022-03-01 16:49:35,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:35,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106509349] [2022-03-01 16:49:35,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:35,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:35,315 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:35,315 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106509349] [2022-03-01 16:49:35,315 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106509349] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:35,315 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:35,315 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:35,315 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002673875] [2022-03-01 16:49:35,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:35,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:35,317 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:35,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:35,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:35,317 INFO L87 Difference]: Start difference. First operand 1185 states and 2177 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:35,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:35,808 INFO L93 Difference]: Finished difference Result 1496 states and 2690 transitions. [2022-03-01 16:49:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:35,808 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:35,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:35,810 INFO L225 Difference]: With dead ends: 1496 [2022-03-01 16:49:35,810 INFO L226 Difference]: Without dead ends: 1453 [2022-03-01 16:49:35,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:35,811 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 247 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:35,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 517 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:35,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2022-03-01 16:49:35,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1163. [2022-03-01 16:49:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1156 states have (on average 1.8451557093425606) internal successors, (2133), 1162 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2133 transitions. [2022-03-01 16:49:35,845 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2133 transitions. Word has length 110 [2022-03-01 16:49:35,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:35,846 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2133 transitions. [2022-03-01 16:49:35,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2133 transitions. [2022-03-01 16:49:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:35,849 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:35,849 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:35,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-01 16:49:35,849 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:35,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:35,850 INFO L85 PathProgramCache]: Analyzing trace with hash -347285014, now seen corresponding path program 1 times [2022-03-01 16:49:35,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:35,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140816383] [2022-03-01 16:49:35,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:35,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:36,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:36,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140816383] [2022-03-01 16:49:36,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140816383] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:36,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:36,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:36,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532102163] [2022-03-01 16:49:36,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:36,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:36,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:36,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:36,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:36,167 INFO L87 Difference]: Start difference. First operand 1163 states and 2133 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:36,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:36,775 INFO L93 Difference]: Finished difference Result 1477 states and 2702 transitions. [2022-03-01 16:49:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:36,775 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:36,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:36,777 INFO L225 Difference]: With dead ends: 1477 [2022-03-01 16:49:36,777 INFO L226 Difference]: Without dead ends: 1463 [2022-03-01 16:49:36,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:49:36,778 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 228 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:36,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 680 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:36,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-03-01 16:49:36,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1184. [2022-03-01 16:49:36,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1177 states have (on average 1.8513169073916738) internal successors, (2179), 1183 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:36,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2179 transitions. [2022-03-01 16:49:36,791 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2179 transitions. Word has length 110 [2022-03-01 16:49:36,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:36,791 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2179 transitions. [2022-03-01 16:49:36,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2179 transitions. [2022-03-01 16:49:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:36,792 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:36,792 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:36,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-01 16:49:36,793 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:36,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:36,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1081675656, now seen corresponding path program 2 times [2022-03-01 16:49:36,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:36,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305628101] [2022-03-01 16:49:36,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:36,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:37,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:37,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305628101] [2022-03-01 16:49:37,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305628101] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:37,128 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:37,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:37,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438875369] [2022-03-01 16:49:37,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:37,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:37,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:37,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:37,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:37,129 INFO L87 Difference]: Start difference. First operand 1184 states and 2179 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:38,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:38,120 INFO L93 Difference]: Finished difference Result 1667 states and 3067 transitions. [2022-03-01 16:49:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-01 16:49:38,121 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:38,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:38,123 INFO L225 Difference]: With dead ends: 1667 [2022-03-01 16:49:38,123 INFO L226 Difference]: Without dead ends: 1653 [2022-03-01 16:49:38,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:49:38,124 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 269 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:38,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 821 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:38,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2022-03-01 16:49:38,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1194. [2022-03-01 16:49:38,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1187 states have (on average 1.8500421229991575) internal successors, (2196), 1193 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:38,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2196 transitions. [2022-03-01 16:49:38,136 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2196 transitions. Word has length 110 [2022-03-01 16:49:38,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:38,136 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 2196 transitions. [2022-03-01 16:49:38,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2196 transitions. [2022-03-01 16:49:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:38,138 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:38,138 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:38,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-01 16:49:38,138 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:38,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:38,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1609696764, now seen corresponding path program 3 times [2022-03-01 16:49:38,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:38,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018754321] [2022-03-01 16:49:38,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:38,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:38,387 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:38,387 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018754321] [2022-03-01 16:49:38,387 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018754321] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:38,387 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:38,387 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:38,387 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215910816] [2022-03-01 16:49:38,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:38,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:38,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:38,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:38,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:38,388 INFO L87 Difference]: Start difference. First operand 1194 states and 2196 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:39,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:39,042 INFO L93 Difference]: Finished difference Result 1533 states and 2826 transitions. [2022-03-01 16:49:39,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:49:39,042 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:39,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:39,045 INFO L225 Difference]: With dead ends: 1533 [2022-03-01 16:49:39,045 INFO L226 Difference]: Without dead ends: 1519 [2022-03-01 16:49:39,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:39,045 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 229 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:39,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 764 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:39,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2022-03-01 16:49:39,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1209. [2022-03-01 16:49:39,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1202 states have (on average 1.8510815307820299) internal successors, (2225), 1208 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 2225 transitions. [2022-03-01 16:49:39,060 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 2225 transitions. Word has length 110 [2022-03-01 16:49:39,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:39,060 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 2225 transitions. [2022-03-01 16:49:39,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:39,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 2225 transitions. [2022-03-01 16:49:39,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:39,061 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:39,062 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:39,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-01 16:49:39,062 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:39,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:39,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1066179186, now seen corresponding path program 4 times [2022-03-01 16:49:39,062 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:39,062 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555522528] [2022-03-01 16:49:39,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:39,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:39,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:39,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555522528] [2022-03-01 16:49:39,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555522528] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:39,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:39,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:39,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228337849] [2022-03-01 16:49:39,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:39,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:39,499 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:39,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:39,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:39,499 INFO L87 Difference]: Start difference. First operand 1209 states and 2225 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:40,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:40,456 INFO L93 Difference]: Finished difference Result 1698 states and 3144 transitions. [2022-03-01 16:49:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:49:40,456 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:40,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:40,458 INFO L225 Difference]: With dead ends: 1698 [2022-03-01 16:49:40,458 INFO L226 Difference]: Without dead ends: 1691 [2022-03-01 16:49:40,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:49:40,459 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 268 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:40,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 702 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:40,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2022-03-01 16:49:40,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1211. [2022-03-01 16:49:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1204 states have (on average 1.851328903654485) internal successors, (2229), 1210 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 2229 transitions. [2022-03-01 16:49:40,474 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 2229 transitions. Word has length 110 [2022-03-01 16:49:40,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:40,474 INFO L470 AbstractCegarLoop]: Abstraction has 1211 states and 2229 transitions. [2022-03-01 16:49:40,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:40,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 2229 transitions. [2022-03-01 16:49:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:40,475 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:40,475 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:40,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-01 16:49:40,476 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:40,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:40,476 INFO L85 PathProgramCache]: Analyzing trace with hash -538158078, now seen corresponding path program 5 times [2022-03-01 16:49:40,476 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:40,476 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135110710] [2022-03-01 16:49:40,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:40,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:40,721 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:40,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135110710] [2022-03-01 16:49:40,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135110710] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:40,721 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:40,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:40,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621237092] [2022-03-01 16:49:40,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:40,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:40,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:40,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:40,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:40,722 INFO L87 Difference]: Start difference. First operand 1211 states and 2229 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:41,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:41,325 INFO L93 Difference]: Finished difference Result 1741 states and 3224 transitions. [2022-03-01 16:49:41,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:49:41,325 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:41,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:41,328 INFO L225 Difference]: With dead ends: 1741 [2022-03-01 16:49:41,328 INFO L226 Difference]: Without dead ends: 1727 [2022-03-01 16:49:41,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=306, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:41,329 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 280 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:41,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 559 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:41,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2022-03-01 16:49:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1210. [2022-03-01 16:49:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 1203 states have (on average 1.8512053200332501) internal successors, (2227), 1209 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 2227 transitions. [2022-03-01 16:49:41,349 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 2227 transitions. Word has length 110 [2022-03-01 16:49:41,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:41,350 INFO L470 AbstractCegarLoop]: Abstraction has 1210 states and 2227 transitions. [2022-03-01 16:49:41,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 2227 transitions. [2022-03-01 16:49:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:41,351 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:41,352 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:41,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-01 16:49:41,352 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:41,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:41,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1059393834, now seen corresponding path program 6 times [2022-03-01 16:49:41,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:41,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646182695] [2022-03-01 16:49:41,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:41,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:41,592 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:41,592 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646182695] [2022-03-01 16:49:41,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646182695] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:41,592 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:41,592 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:41,592 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220232674] [2022-03-01 16:49:41,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:41,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:41,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:41,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:41,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:41,593 INFO L87 Difference]: Start difference. First operand 1210 states and 2227 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:42,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:42,156 INFO L93 Difference]: Finished difference Result 1564 states and 2898 transitions. [2022-03-01 16:49:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:49:42,156 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:42,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:42,158 INFO L225 Difference]: With dead ends: 1564 [2022-03-01 16:49:42,158 INFO L226 Difference]: Without dead ends: 1543 [2022-03-01 16:49:42,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:42,167 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 215 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:42,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 754 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:42,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2022-03-01 16:49:42,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1227. [2022-03-01 16:49:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1220 states have (on average 1.8524590163934427) internal successors, (2260), 1226 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 2260 transitions. [2022-03-01 16:49:42,184 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 2260 transitions. Word has length 110 [2022-03-01 16:49:42,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:42,184 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 2260 transitions. [2022-03-01 16:49:42,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2260 transitions. [2022-03-01 16:49:42,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:42,203 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:42,203 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:42,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-01 16:49:42,203 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:42,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:42,203 INFO L85 PathProgramCache]: Analyzing trace with hash 841263638, now seen corresponding path program 7 times [2022-03-01 16:49:42,204 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:42,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911543162] [2022-03-01 16:49:42,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:42,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:42,572 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:42,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911543162] [2022-03-01 16:49:42,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911543162] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:42,572 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:42,573 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:42,573 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526097604] [2022-03-01 16:49:42,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:42,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:42,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:42,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:42,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:42,573 INFO L87 Difference]: Start difference. First operand 1227 states and 2260 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:43,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:43,184 INFO L93 Difference]: Finished difference Result 1651 states and 3056 transitions. [2022-03-01 16:49:43,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:43,184 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:43,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:43,189 INFO L225 Difference]: With dead ends: 1651 [2022-03-01 16:49:43,189 INFO L226 Difference]: Without dead ends: 1644 [2022-03-01 16:49:43,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:49:43,191 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 245 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:43,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 566 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2022-03-01 16:49:43,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1230. [2022-03-01 16:49:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1223 states have (on average 1.8528209321340965) internal successors, (2266), 1229 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 2266 transitions. [2022-03-01 16:49:43,208 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 2266 transitions. Word has length 110 [2022-03-01 16:49:43,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:43,208 INFO L470 AbstractCegarLoop]: Abstraction has 1230 states and 2266 transitions. [2022-03-01 16:49:43,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 2266 transitions. [2022-03-01 16:49:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:43,209 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:43,210 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:43,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-01 16:49:43,210 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:43,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1369284746, now seen corresponding path program 8 times [2022-03-01 16:49:43,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:43,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827967933] [2022-03-01 16:49:43,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:43,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:43,485 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:43,485 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827967933] [2022-03-01 16:49:43,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827967933] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:43,486 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:43,486 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:43,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624748292] [2022-03-01 16:49:43,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:43,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:43,486 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:43,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:43,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:43,487 INFO L87 Difference]: Start difference. First operand 1230 states and 2266 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:44,375 INFO L93 Difference]: Finished difference Result 1694 states and 3136 transitions. [2022-03-01 16:49:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:44,375 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:44,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:44,378 INFO L225 Difference]: With dead ends: 1694 [2022-03-01 16:49:44,378 INFO L226 Difference]: Without dead ends: 1680 [2022-03-01 16:49:44,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:44,379 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 212 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:44,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 849 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:44,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2022-03-01 16:49:44,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1229. [2022-03-01 16:49:44,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 1222 states have (on average 1.8527004909983633) internal successors, (2264), 1228 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 2264 transitions. [2022-03-01 16:49:44,399 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 2264 transitions. Word has length 110 [2022-03-01 16:49:44,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:44,399 INFO L470 AbstractCegarLoop]: Abstraction has 1229 states and 2264 transitions. [2022-03-01 16:49:44,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 2264 transitions. [2022-03-01 16:49:44,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:44,401 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:44,401 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:44,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-01 16:49:44,402 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:44,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:44,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1328130638, now seen corresponding path program 9 times [2022-03-01 16:49:44,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:44,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318369406] [2022-03-01 16:49:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:44,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:44,688 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:44,688 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318369406] [2022-03-01 16:49:44,688 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318369406] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:44,688 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:44,688 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:44,688 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180584281] [2022-03-01 16:49:44,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:44,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:44,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:44,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:44,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:44,689 INFO L87 Difference]: Start difference. First operand 1229 states and 2264 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:45,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:45,404 INFO L93 Difference]: Finished difference Result 1741 states and 3227 transitions. [2022-03-01 16:49:45,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:45,405 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:45,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:45,407 INFO L225 Difference]: With dead ends: 1741 [2022-03-01 16:49:45,407 INFO L226 Difference]: Without dead ends: 1720 [2022-03-01 16:49:45,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:45,408 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 256 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:45,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 681 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:45,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2022-03-01 16:49:45,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1228. [2022-03-01 16:49:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 1221 states have (on average 1.8525798525798525) internal successors, (2262), 1227 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:45,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 2262 transitions. [2022-03-01 16:49:45,421 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 2262 transitions. Word has length 110 [2022-03-01 16:49:45,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:45,422 INFO L470 AbstractCegarLoop]: Abstraction has 1228 states and 2262 transitions. [2022-03-01 16:49:45,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:45,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 2262 transitions. [2022-03-01 16:49:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:45,423 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:45,423 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:45,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-01 16:49:45,423 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:45,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:45,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2088485180, now seen corresponding path program 10 times [2022-03-01 16:49:45,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:45,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519974027] [2022-03-01 16:49:45,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:45,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:45,647 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:45,647 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519974027] [2022-03-01 16:49:45,647 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519974027] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:45,647 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:45,647 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:45,648 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169838180] [2022-03-01 16:49:45,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:45,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:45,648 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:45,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:45,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:45,648 INFO L87 Difference]: Start difference. First operand 1228 states and 2262 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:46,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:46,159 INFO L93 Difference]: Finished difference Result 1522 states and 2815 transitions. [2022-03-01 16:49:46,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:49:46,159 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:46,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:46,161 INFO L225 Difference]: With dead ends: 1522 [2022-03-01 16:49:46,161 INFO L226 Difference]: Without dead ends: 1494 [2022-03-01 16:49:46,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:46,162 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 239 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:46,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 558 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:46,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2022-03-01 16:49:46,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1247. [2022-03-01 16:49:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1240 states have (on average 1.854032258064516) internal successors, (2299), 1246 states have internal predecessors, (2299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:46,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2299 transitions. [2022-03-01 16:49:46,174 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2299 transitions. Word has length 110 [2022-03-01 16:49:46,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:46,174 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 2299 transitions. [2022-03-01 16:49:46,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:46,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2299 transitions. [2022-03-01 16:49:46,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:46,175 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:46,175 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:46,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-01 16:49:46,175 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:46,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:46,176 INFO L85 PathProgramCache]: Analyzing trace with hash 330556564, now seen corresponding path program 11 times [2022-03-01 16:49:46,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:46,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658683313] [2022-03-01 16:49:46,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:46,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:46,551 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:46,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658683313] [2022-03-01 16:49:46,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658683313] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:46,551 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:46,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:46,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906752492] [2022-03-01 16:49:46,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:46,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:46,552 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:46,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:46,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:46,552 INFO L87 Difference]: Start difference. First operand 1247 states and 2299 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:47,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:47,098 INFO L93 Difference]: Finished difference Result 1498 states and 2736 transitions. [2022-03-01 16:49:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:49:47,098 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:47,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:47,101 INFO L225 Difference]: With dead ends: 1498 [2022-03-01 16:49:47,101 INFO L226 Difference]: Without dead ends: 1491 [2022-03-01 16:49:47,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:47,101 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 237 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:47,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 509 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:47,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2022-03-01 16:49:47,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1246. [2022-03-01 16:49:47,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 1239 states have (on average 1.8539144471347861) internal successors, (2297), 1245 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 2297 transitions. [2022-03-01 16:49:47,113 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 2297 transitions. Word has length 110 [2022-03-01 16:49:47,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:47,113 INFO L470 AbstractCegarLoop]: Abstraction has 1246 states and 2297 transitions. [2022-03-01 16:49:47,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 2297 transitions. [2022-03-01 16:49:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:47,114 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:47,114 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:47,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-01 16:49:47,116 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:47,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:47,116 INFO L85 PathProgramCache]: Analyzing trace with hash 858577672, now seen corresponding path program 12 times [2022-03-01 16:49:47,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:47,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76786567] [2022-03-01 16:49:47,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:47,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:47,475 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:47,475 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76786567] [2022-03-01 16:49:47,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76786567] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:47,475 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:47,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:47,475 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994465711] [2022-03-01 16:49:47,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:47,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:47,476 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:47,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:47,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:47,476 INFO L87 Difference]: Start difference. First operand 1246 states and 2297 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:47,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:47,970 INFO L93 Difference]: Finished difference Result 1541 states and 2816 transitions. [2022-03-01 16:49:47,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:47,971 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:47,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:47,972 INFO L225 Difference]: With dead ends: 1541 [2022-03-01 16:49:47,972 INFO L226 Difference]: Without dead ends: 1527 [2022-03-01 16:49:47,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:47,973 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 251 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:47,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 439 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:47,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-03-01 16:49:47,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1245. [2022-03-01 16:49:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1238 states have (on average 1.8537964458804523) internal successors, (2295), 1244 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 2295 transitions. [2022-03-01 16:49:47,985 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 2295 transitions. Word has length 110 [2022-03-01 16:49:47,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:47,985 INFO L470 AbstractCegarLoop]: Abstraction has 1245 states and 2295 transitions. [2022-03-01 16:49:47,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:47,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2295 transitions. [2022-03-01 16:49:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:47,986 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:47,987 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:47,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-01 16:49:47,987 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:47,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:47,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1838837712, now seen corresponding path program 13 times [2022-03-01 16:49:47,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:47,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140609973] [2022-03-01 16:49:47,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:47,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:48,288 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:48,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140609973] [2022-03-01 16:49:48,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140609973] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:48,288 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:48,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:48,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060532993] [2022-03-01 16:49:48,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:48,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:48,289 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:48,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:48,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:48,289 INFO L87 Difference]: Start difference. First operand 1245 states and 2295 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:48,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:48,765 INFO L93 Difference]: Finished difference Result 1588 states and 2907 transitions. [2022-03-01 16:49:48,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:49:48,766 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:48,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:48,768 INFO L225 Difference]: With dead ends: 1588 [2022-03-01 16:49:48,768 INFO L226 Difference]: Without dead ends: 1567 [2022-03-01 16:49:48,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:48,768 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 240 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:48,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 456 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:48,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2022-03-01 16:49:48,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1244. [2022-03-01 16:49:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1237 states have (on average 1.8536782538399352) internal successors, (2293), 1243 states have internal predecessors, (2293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 2293 transitions. [2022-03-01 16:49:48,780 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 2293 transitions. Word has length 110 [2022-03-01 16:49:48,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:48,780 INFO L470 AbstractCegarLoop]: Abstraction has 1244 states and 2293 transitions. [2022-03-01 16:49:48,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:48,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 2293 transitions. [2022-03-01 16:49:48,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:48,782 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:48,783 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:48,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-01 16:49:48,784 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:48,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:48,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1577778106, now seen corresponding path program 14 times [2022-03-01 16:49:48,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:48,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507874311] [2022-03-01 16:49:48,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:48,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:49,158 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:49,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507874311] [2022-03-01 16:49:49,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507874311] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:49,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:49,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:49,159 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413640584] [2022-03-01 16:49:49,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:49,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:49,159 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:49,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:49,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:49,160 INFO L87 Difference]: Start difference. First operand 1244 states and 2293 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:49,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:49,642 INFO L93 Difference]: Finished difference Result 1639 states and 3006 transitions. [2022-03-01 16:49:49,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:49:49,643 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:49,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:49,645 INFO L225 Difference]: With dead ends: 1639 [2022-03-01 16:49:49,645 INFO L226 Difference]: Without dead ends: 1611 [2022-03-01 16:49:49,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:49,645 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 322 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:49,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 420 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:49,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2022-03-01 16:49:49,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1243. [2022-03-01 16:49:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1236 states have (on average 1.853559870550162) internal successors, (2291), 1242 states have internal predecessors, (2291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 2291 transitions. [2022-03-01 16:49:49,657 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 2291 transitions. Word has length 110 [2022-03-01 16:49:49,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:49,657 INFO L470 AbstractCegarLoop]: Abstraction has 1243 states and 2291 transitions. [2022-03-01 16:49:49,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 2291 transitions. [2022-03-01 16:49:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:49,658 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:49,658 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:49,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-01 16:49:49,658 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:49,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:49,659 INFO L85 PathProgramCache]: Analyzing trace with hash -934609174, now seen corresponding path program 15 times [2022-03-01 16:49:49,659 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:49,659 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36478841] [2022-03-01 16:49:49,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:49,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:49,861 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:49,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36478841] [2022-03-01 16:49:49,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36478841] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:49,861 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:49,861 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:49,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70946975] [2022-03-01 16:49:49,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:49,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:49,862 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:49,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:49,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:49,862 INFO L87 Difference]: Start difference. First operand 1243 states and 2291 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:50,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:50,293 INFO L93 Difference]: Finished difference Result 1411 states and 2560 transitions. [2022-03-01 16:49:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:49:50,293 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:50,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:50,295 INFO L225 Difference]: With dead ends: 1411 [2022-03-01 16:49:50,295 INFO L226 Difference]: Without dead ends: 1379 [2022-03-01 16:49:50,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:50,295 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 312 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:50,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 518 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:50,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2022-03-01 16:49:50,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1171. [2022-03-01 16:49:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1164 states have (on average 1.838487972508591) internal successors, (2140), 1170 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2140 transitions. [2022-03-01 16:49:50,306 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2140 transitions. Word has length 110 [2022-03-01 16:49:50,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:50,306 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 2140 transitions. [2022-03-01 16:49:50,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2140 transitions. [2022-03-01 16:49:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:50,307 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:50,307 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:50,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-01 16:49:50,307 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:50,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:50,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1325303053, now seen corresponding path program 1 times [2022-03-01 16:49:50,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:50,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139199506] [2022-03-01 16:49:50,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:50,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:50,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:50,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139199506] [2022-03-01 16:49:50,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139199506] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:50,450 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:50,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:50,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918036373] [2022-03-01 16:49:50,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:50,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:50,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:50,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:50,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:50,451 INFO L87 Difference]: Start difference. First operand 1171 states and 2140 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:51,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:51,132 INFO L93 Difference]: Finished difference Result 1481 states and 2654 transitions. [2022-03-01 16:49:51,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:49:51,133 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:51,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:51,134 INFO L225 Difference]: With dead ends: 1481 [2022-03-01 16:49:51,134 INFO L226 Difference]: Without dead ends: 1011 [2022-03-01 16:49:51,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2022-03-01 16:49:51,135 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 320 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:51,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 828 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:51,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2022-03-01 16:49:51,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 764. [2022-03-01 16:49:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 757 states have (on average 1.7807133421400265) internal successors, (1348), 763 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1348 transitions. [2022-03-01 16:49:51,142 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1348 transitions. Word has length 110 [2022-03-01 16:49:51,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:51,142 INFO L470 AbstractCegarLoop]: Abstraction has 764 states and 1348 transitions. [2022-03-01 16:49:51,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1348 transitions. [2022-03-01 16:49:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:51,143 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:51,143 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:51,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-01 16:49:51,144 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:51,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:51,144 INFO L85 PathProgramCache]: Analyzing trace with hash -661546646, now seen corresponding path program 16 times [2022-03-01 16:49:51,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:51,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912710292] [2022-03-01 16:49:51,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:51,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:51,342 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:51,342 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912710292] [2022-03-01 16:49:51,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912710292] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:51,342 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:51,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:51,343 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147079657] [2022-03-01 16:49:51,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:51,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:51,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:51,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:51,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:51,343 INFO L87 Difference]: Start difference. First operand 764 states and 1348 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:51,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:51,630 INFO L93 Difference]: Finished difference Result 876 states and 1540 transitions. [2022-03-01 16:49:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:49:51,633 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:51,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:51,634 INFO L225 Difference]: With dead ends: 876 [2022-03-01 16:49:51,634 INFO L226 Difference]: Without dead ends: 825 [2022-03-01 16:49:51,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:51,635 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 205 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:51,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 384 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:51,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2022-03-01 16:49:51,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 777. [2022-03-01 16:49:51,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 770 states have (on average 1.761038961038961) internal successors, (1356), 776 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1356 transitions. [2022-03-01 16:49:51,642 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1356 transitions. Word has length 110 [2022-03-01 16:49:51,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:51,642 INFO L470 AbstractCegarLoop]: Abstraction has 777 states and 1356 transitions. [2022-03-01 16:49:51,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1356 transitions. [2022-03-01 16:49:51,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:51,643 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:51,643 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:51,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-01 16:49:51,644 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:51,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:51,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1404654586, now seen corresponding path program 2 times [2022-03-01 16:49:51,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:51,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152455844] [2022-03-01 16:49:51,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:51,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:51,813 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:51,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:51,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152455844] [2022-03-01 16:49:51,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152455844] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:51,813 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:51,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:51,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855384498] [2022-03-01 16:49:51,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:51,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:51,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:51,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:51,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:51,814 INFO L87 Difference]: Start difference. First operand 777 states and 1356 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:52,153 INFO L93 Difference]: Finished difference Result 877 states and 1540 transitions. [2022-03-01 16:49:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:52,153 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:52,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:52,154 INFO L225 Difference]: With dead ends: 877 [2022-03-01 16:49:52,154 INFO L226 Difference]: Without dead ends: 829 [2022-03-01 16:49:52,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:52,155 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 208 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:52,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 453 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:52,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2022-03-01 16:49:52,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 805. [2022-03-01 16:49:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 799 states have (on average 1.7659574468085106) internal successors, (1411), 804 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1411 transitions. [2022-03-01 16:49:52,162 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1411 transitions. Word has length 110 [2022-03-01 16:49:52,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:52,163 INFO L470 AbstractCegarLoop]: Abstraction has 805 states and 1411 transitions. [2022-03-01 16:49:52,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1411 transitions. [2022-03-01 16:49:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:52,165 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:52,165 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:52,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-01 16:49:52,165 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:52,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:52,165 INFO L85 PathProgramCache]: Analyzing trace with hash 451291516, now seen corresponding path program 16 times [2022-03-01 16:49:52,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:52,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530765282] [2022-03-01 16:49:52,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:52,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:52,441 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:52,441 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:52,441 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530765282] [2022-03-01 16:49:52,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530765282] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:52,441 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:52,441 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:52,441 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034290654] [2022-03-01 16:49:52,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:52,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:52,442 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:52,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:52,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:52,442 INFO L87 Difference]: Start difference. First operand 805 states and 1411 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:52,712 INFO L93 Difference]: Finished difference Result 905 states and 1597 transitions. [2022-03-01 16:49:52,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:52,712 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:52,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:52,713 INFO L225 Difference]: With dead ends: 905 [2022-03-01 16:49:52,713 INFO L226 Difference]: Without dead ends: 873 [2022-03-01 16:49:52,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:52,713 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 186 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:52,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 393 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:52,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2022-03-01 16:49:52,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 855. [2022-03-01 16:49:52,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 849 states have (on average 1.7750294464075382) internal successors, (1507), 854 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1507 transitions. [2022-03-01 16:49:52,722 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1507 transitions. Word has length 110 [2022-03-01 16:49:52,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:52,722 INFO L470 AbstractCegarLoop]: Abstraction has 855 states and 1507 transitions. [2022-03-01 16:49:52,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,722 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1507 transitions. [2022-03-01 16:49:52,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:52,723 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:52,723 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:52,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-01 16:49:52,723 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:52,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:52,723 INFO L85 PathProgramCache]: Analyzing trace with hash 60597637, now seen corresponding path program 2 times [2022-03-01 16:49:52,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:52,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975002661] [2022-03-01 16:49:52,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:52,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:52,910 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:52,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975002661] [2022-03-01 16:49:52,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975002661] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:52,910 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:52,910 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:52,910 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148108212] [2022-03-01 16:49:52,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:52,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:52,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:52,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:52,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:52,911 INFO L87 Difference]: Start difference. First operand 855 states and 1507 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:53,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:53,339 INFO L93 Difference]: Finished difference Result 824 states and 1446 transitions. [2022-03-01 16:49:53,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:53,339 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:53,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:53,340 INFO L225 Difference]: With dead ends: 824 [2022-03-01 16:49:53,340 INFO L226 Difference]: Without dead ends: 498 [2022-03-01 16:49:53,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=192, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:53,340 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 243 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:53,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 476 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:53,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2022-03-01 16:49:53,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 474. [2022-03-01 16:49:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 471 states have (on average 1.6178343949044587) internal successors, (762), 473 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 762 transitions. [2022-03-01 16:49:53,345 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 762 transitions. Word has length 110 [2022-03-01 16:49:53,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:53,345 INFO L470 AbstractCegarLoop]: Abstraction has 474 states and 762 transitions. [2022-03-01 16:49:53,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 762 transitions. [2022-03-01 16:49:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:53,345 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:53,345 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:53,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-01 16:49:53,346 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:53,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:53,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1609272518, now seen corresponding path program 17 times [2022-03-01 16:49:53,346 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:53,346 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303041971] [2022-03-01 16:49:53,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:53,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:53,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:53,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303041971] [2022-03-01 16:49:53,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303041971] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:53,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:53,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:53,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345550773] [2022-03-01 16:49:53,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:53,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:53,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:53,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:53,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:53,651 INFO L87 Difference]: Start difference. First operand 474 states and 762 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:54,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:54,099 INFO L93 Difference]: Finished difference Result 508 states and 804 transitions. [2022-03-01 16:49:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:54,099 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:54,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:54,100 INFO L225 Difference]: With dead ends: 508 [2022-03-01 16:49:54,100 INFO L226 Difference]: Without dead ends: 485 [2022-03-01 16:49:54,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:49:54,101 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 187 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:54,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 344 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:54,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2022-03-01 16:49:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 473. [2022-03-01 16:49:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 470 states have (on average 1.6170212765957446) internal successors, (760), 472 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 760 transitions. [2022-03-01 16:49:54,105 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 760 transitions. Word has length 110 [2022-03-01 16:49:54,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:54,105 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 760 transitions. [2022-03-01 16:49:54,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 760 transitions. [2022-03-01 16:49:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:54,105 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:54,106 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:54,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-01 16:49:54,106 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:54,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:54,106 INFO L85 PathProgramCache]: Analyzing trace with hash 662589142, now seen corresponding path program 18 times [2022-03-01 16:49:54,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:54,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837546794] [2022-03-01 16:49:54,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:54,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:54,429 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:54,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837546794] [2022-03-01 16:49:54,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837546794] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:54,429 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:54,429 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:54,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662080234] [2022-03-01 16:49:54,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:54,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:54,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:54,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:54,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:54,430 INFO L87 Difference]: Start difference. First operand 473 states and 760 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:54,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:54,885 INFO L93 Difference]: Finished difference Result 529 states and 845 transitions. [2022-03-01 16:49:54,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:54,886 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:54,886 INFO L225 Difference]: With dead ends: 529 [2022-03-01 16:49:54,886 INFO L226 Difference]: Without dead ends: 484 [2022-03-01 16:49:54,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:49:54,887 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 171 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:54,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 369 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:54,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-03-01 16:49:54,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 472. [2022-03-01 16:49:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 469 states have (on average 1.6162046908315566) internal successors, (758), 471 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 758 transitions. [2022-03-01 16:49:54,891 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 758 transitions. Word has length 110 [2022-03-01 16:49:54,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:54,891 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 758 transitions. [2022-03-01 16:49:54,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 758 transitions. [2022-03-01 16:49:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:54,891 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:54,892 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:54,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-01 16:49:54,893 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:54,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:54,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1067647484, now seen corresponding path program 19 times [2022-03-01 16:49:54,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:54,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864632087] [2022-03-01 16:49:54,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:54,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:55,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:55,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864632087] [2022-03-01 16:49:55,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864632087] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:55,140 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:55,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:55,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218474059] [2022-03-01 16:49:55,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:55,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:55,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:55,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:55,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:55,140 INFO L87 Difference]: Start difference. First operand 472 states and 758 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:55,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:55,555 INFO L93 Difference]: Finished difference Result 550 states and 886 transitions. [2022-03-01 16:49:55,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:55,555 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:55,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:55,556 INFO L225 Difference]: With dead ends: 550 [2022-03-01 16:49:55,556 INFO L226 Difference]: Without dead ends: 483 [2022-03-01 16:49:55,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:49:55,557 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 175 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:55,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 341 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:55,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-03-01 16:49:55,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 471. [2022-03-01 16:49:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 468 states have (on average 1.6153846153846154) internal successors, (756), 470 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 756 transitions. [2022-03-01 16:49:55,564 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 756 transitions. Word has length 110 [2022-03-01 16:49:55,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:55,564 INFO L470 AbstractCegarLoop]: Abstraction has 471 states and 756 transitions. [2022-03-01 16:49:55,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 756 transitions. [2022-03-01 16:49:55,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:55,564 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:55,564 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:55,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-01 16:49:55,565 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:55,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:55,566 INFO L85 PathProgramCache]: Analyzing trace with hash -562587324, now seen corresponding path program 20 times [2022-03-01 16:49:55,566 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:55,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81022184] [2022-03-01 16:49:55,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:55,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:55,793 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:55,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81022184] [2022-03-01 16:49:55,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81022184] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:55,793 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:55,793 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:55,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671897778] [2022-03-01 16:49:55,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:55,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:55,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:55,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:55,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:55,794 INFO L87 Difference]: Start difference. First operand 471 states and 756 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:56,110 INFO L93 Difference]: Finished difference Result 464 states and 740 transitions. [2022-03-01 16:49:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:56,111 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:56,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:56,111 INFO L225 Difference]: With dead ends: 464 [2022-03-01 16:49:56,111 INFO L226 Difference]: Without dead ends: 371 [2022-03-01 16:49:56,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:49:56,111 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 162 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:56,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 330 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:56,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-03-01 16:49:56,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 359. [2022-03-01 16:49:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 357 states have (on average 1.57703081232493) internal successors, (563), 358 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 563 transitions. [2022-03-01 16:49:56,115 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 563 transitions. Word has length 110 [2022-03-01 16:49:56,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:56,115 INFO L470 AbstractCegarLoop]: Abstraction has 359 states and 563 transitions. [2022-03-01 16:49:56,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,115 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 563 transitions. [2022-03-01 16:49:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:56,116 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:56,116 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:56,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-01 16:49:56,116 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:56,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:56,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2078749440, now seen corresponding path program 17 times [2022-03-01 16:49:56,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:56,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824592145] [2022-03-01 16:49:56,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:56,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:56,402 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:56,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824592145] [2022-03-01 16:49:56,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824592145] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:56,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:56,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:56,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585158193] [2022-03-01 16:49:56,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:56,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:56,403 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:56,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:56,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:56,404 INFO L87 Difference]: Start difference. First operand 359 states and 563 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:56,898 INFO L93 Difference]: Finished difference Result 385 states and 588 transitions. [2022-03-01 16:49:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:56,899 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:56,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:56,899 INFO L225 Difference]: With dead ends: 385 [2022-03-01 16:49:56,899 INFO L226 Difference]: Without dead ends: 362 [2022-03-01 16:49:56,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:49:56,900 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 178 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:56,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 298 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:56,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-03-01 16:49:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2022-03-01 16:49:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 356 states have (on average 1.5758426966292134) internal successors, (561), 357 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 561 transitions. [2022-03-01 16:49:56,903 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 561 transitions. Word has length 110 [2022-03-01 16:49:56,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:56,903 INFO L470 AbstractCegarLoop]: Abstraction has 358 states and 561 transitions. [2022-03-01 16:49:56,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,903 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 561 transitions. [2022-03-01 16:49:56,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:56,904 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:56,904 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:56,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-01 16:49:56,904 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:56,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:56,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1688196748, now seen corresponding path program 18 times [2022-03-01 16:49:56,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:56,905 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133882236] [2022-03-01 16:49:56,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:56,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:57,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:57,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133882236] [2022-03-01 16:49:57,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133882236] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:57,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:57,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:57,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462301568] [2022-03-01 16:49:57,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:57,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:57,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:57,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:57,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:57,211 INFO L87 Difference]: Start difference. First operand 358 states and 561 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:57,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:57,539 INFO L93 Difference]: Finished difference Result 402 states and 625 transitions. [2022-03-01 16:49:57,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:57,540 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:57,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:57,540 INFO L225 Difference]: With dead ends: 402 [2022-03-01 16:49:57,540 INFO L226 Difference]: Without dead ends: 357 [2022-03-01 16:49:57,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:49:57,540 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 146 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:57,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 379 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:57,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-03-01 16:49:57,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2022-03-01 16:49:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 355 states have (on average 1.5746478873239436) internal successors, (559), 356 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:57,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 559 transitions. [2022-03-01 16:49:57,544 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 559 transitions. Word has length 110 [2022-03-01 16:49:57,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:57,544 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 559 transitions. [2022-03-01 16:49:57,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:57,544 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 559 transitions. [2022-03-01 16:49:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:57,544 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:57,544 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:57,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-01 16:49:57,544 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:57,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:57,545 INFO L85 PathProgramCache]: Analyzing trace with hash -90644836, now seen corresponding path program 19 times [2022-03-01 16:49:57,545 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:57,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997690384] [2022-03-01 16:49:57,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:57,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:57,829 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:57,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:57,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997690384] [2022-03-01 16:49:57,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997690384] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:57,829 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:57,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:57,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93664460] [2022-03-01 16:49:57,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:57,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:57,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:57,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:57,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:57,831 INFO L87 Difference]: Start difference. First operand 357 states and 559 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:58,182 INFO L93 Difference]: Finished difference Result 423 states and 666 transitions. [2022-03-01 16:49:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:58,183 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:58,183 INFO L225 Difference]: With dead ends: 423 [2022-03-01 16:49:58,183 INFO L226 Difference]: Without dead ends: 356 [2022-03-01 16:49:58,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:49:58,188 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 155 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:58,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 408 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:58,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-03-01 16:49:58,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2022-03-01 16:49:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 354 states have (on average 1.573446327683616) internal successors, (557), 355 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 557 transitions. [2022-03-01 16:49:58,192 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 557 transitions. Word has length 110 [2022-03-01 16:49:58,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:58,192 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 557 transitions. [2022-03-01 16:49:58,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 557 transitions. [2022-03-01 16:49:58,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:58,192 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:58,193 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:58,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-01 16:49:58,193 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:58,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash -968996314, now seen corresponding path program 20 times [2022-03-01 16:49:58,193 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:58,193 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314624795] [2022-03-01 16:49:58,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:58,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:58,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:58,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314624795] [2022-03-01 16:49:58,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314624795] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:58,425 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:58,425 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:58,425 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471882758] [2022-03-01 16:49:58,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:58,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:58,425 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:58,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:58,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:58,426 INFO L87 Difference]: Start difference. First operand 356 states and 557 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:58,658 INFO L93 Difference]: Finished difference Result 345 states and 536 transitions. [2022-03-01 16:49:58,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:49:58,658 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:58,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:58,668 INFO L225 Difference]: With dead ends: 345 [2022-03-01 16:49:58,668 INFO L226 Difference]: Without dead ends: 253 [2022-03-01 16:49:58,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:49:58,668 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 139 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:58,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 363 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:58,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-03-01 16:49:58,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2022-03-01 16:49:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.5119047619047619) internal successors, (381), 252 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 381 transitions. [2022-03-01 16:49:58,672 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 381 transitions. Word has length 110 [2022-03-01 16:49:58,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:58,672 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 381 transitions. [2022-03-01 16:49:58,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 381 transitions. [2022-03-01 16:49:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:58,672 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:58,673 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:58,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-01 16:49:58,673 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:58,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:58,673 INFO L85 PathProgramCache]: Analyzing trace with hash 157500306, now seen corresponding path program 3 times [2022-03-01 16:49:58,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:58,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065955117] [2022-03-01 16:49:58,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:58,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:58,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:58,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065955117] [2022-03-01 16:49:58,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065955117] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:58,871 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:58,871 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:58,871 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973227731] [2022-03-01 16:49:58,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:58,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:58,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:58,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:58,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:58,872 INFO L87 Difference]: Start difference. First operand 253 states and 381 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:59,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:59,020 INFO L93 Difference]: Finished difference Result 279 states and 406 transitions. [2022-03-01 16:49:59,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:49:59,020 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:59,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:59,021 INFO L225 Difference]: With dead ends: 279 [2022-03-01 16:49:59,021 INFO L226 Difference]: Without dead ends: 250 [2022-03-01 16:49:59,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:49:59,021 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 95 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:59,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 280 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:59,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-03-01 16:49:59,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2022-03-01 16:49:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.5060240963855422) internal successors, (375), 249 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 375 transitions. [2022-03-01 16:49:59,023 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 375 transitions. Word has length 110 [2022-03-01 16:49:59,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:59,024 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 375 transitions. [2022-03-01 16:49:59,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:59,024 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 375 transitions. [2022-03-01 16:49:59,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:59,024 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:59,024 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:59,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-01 16:49:59,024 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:59,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:59,025 INFO L85 PathProgramCache]: Analyzing trace with hash -370520802, now seen corresponding path program 4 times [2022-03-01 16:49:59,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:59,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755977571] [2022-03-01 16:49:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:59,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:59,300 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:59,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755977571] [2022-03-01 16:49:59,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755977571] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:59,301 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:59,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:59,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364478367] [2022-03-01 16:49:59,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:59,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:59,301 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:59,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:59,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:59,301 INFO L87 Difference]: Start difference. First operand 250 states and 375 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:59,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:59,553 INFO L93 Difference]: Finished difference Result 302 states and 451 transitions. [2022-03-01 16:49:59,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:49:59,553 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:49:59,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:59,554 INFO L225 Difference]: With dead ends: 302 [2022-03-01 16:49:59,554 INFO L226 Difference]: Without dead ends: 247 [2022-03-01 16:49:59,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:49:59,558 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 145 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:59,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 324 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:59,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-03-01 16:49:59,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-03-01 16:49:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 246 states have (on average 1.5) internal successors, (369), 246 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:59,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 369 transitions. [2022-03-01 16:49:59,561 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 369 transitions. Word has length 110 [2022-03-01 16:49:59,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:59,561 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 369 transitions. [2022-03-01 16:49:59,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:59,561 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 369 transitions. [2022-03-01 16:49:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:49:59,561 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:59,561 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:59,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-01 16:49:59,561 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:59,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1841162828, now seen corresponding path program 5 times [2022-03-01 16:49:59,562 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:59,562 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936622270] [2022-03-01 16:49:59,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:59,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:59,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936622270] [2022-03-01 16:49:59,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936622270] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:59,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:59,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:59,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535301648] [2022-03-01 16:49:59,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:59,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:59,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:59,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:59,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:59,811 INFO L87 Difference]: Start difference. First operand 247 states and 369 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:00,009 INFO L93 Difference]: Finished difference Result 325 states and 496 transitions. [2022-03-01 16:50:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:50:00,009 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:00,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:00,010 INFO L225 Difference]: With dead ends: 325 [2022-03-01 16:50:00,010 INFO L226 Difference]: Without dead ends: 244 [2022-03-01 16:50:00,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:00,011 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 123 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:00,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 462 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:00,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-03-01 16:50:00,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-03-01 16:50:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.4938271604938271) internal successors, (363), 243 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 363 transitions. [2022-03-01 16:50:00,013 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 363 transitions. Word has length 110 [2022-03-01 16:50:00,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:00,038 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 363 transitions. [2022-03-01 16:50:00,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 363 transitions. [2022-03-01 16:50:00,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-01 16:50:00,039 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:00,039 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:00,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-01 16:50:00,039 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:00,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:00,039 INFO L85 PathProgramCache]: Analyzing trace with hash 2090455932, now seen corresponding path program 6 times [2022-03-01 16:50:00,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:00,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631638562] [2022-03-01 16:50:00,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:00,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:00,265 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:00,265 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:00,265 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631638562] [2022-03-01 16:50:00,265 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631638562] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:00,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:00,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:00,266 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139797899] [2022-03-01 16:50:00,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:00,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:00,266 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:00,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:00,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:00,266 INFO L87 Difference]: Start difference. First operand 244 states and 363 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:00,471 INFO L93 Difference]: Finished difference Result 229 states and 334 transitions. [2022-03-01 16:50:00,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:50:00,471 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-01 16:50:00,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:00,472 INFO L225 Difference]: With dead ends: 229 [2022-03-01 16:50:00,472 INFO L226 Difference]: Without dead ends: 0 [2022-03-01 16:50:00,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:50:00,499 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 96 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:00,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 382 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:50:00,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-01 16:50:00,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-01 16:50:00,500 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) [2022-03-01 16:50:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-01 16:50:00,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-03-01 16:50:00,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:00,500 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-01 16:50:00,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-01 16:50:00,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-01 16:50:00,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-01 16:50:00,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-01 16:50:00,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-01 16:50:00,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-01 16:50:00,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-01 16:50:00,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-01 16:50:00,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-01 16:50:00,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-01 16:50:00,505 INFO L732 BasicCegarLoop]: Path program histogram: [20, 20, 6, 2, 2, 2, 2, 1, 1, 1] [2022-03-01 16:50:00,508 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:50:00,508 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:50:00,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:50:00 BasicIcfg [2022-03-01 16:50:00,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:50:00,510 INFO L158 Benchmark]: Toolchain (without parser) took 47396.50ms. Allocated memory was 215.0MB in the beginning and 635.4MB in the end (delta: 420.5MB). Free memory was 186.2MB in the beginning and 599.7MB in the end (delta: -413.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-03-01 16:50:00,511 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 215.0MB. Free memory is still 175.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:50:00,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.36ms. Allocated memory is still 215.0MB. Free memory was 186.0MB in the beginning and 171.6MB in the end (delta: 14.4MB). Peak memory consumption was 17.6MB. Max. memory is 8.0GB. [2022-03-01 16:50:00,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.04ms. Allocated memory is still 215.0MB. Free memory was 171.6MB in the beginning and 168.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:50:00,516 INFO L158 Benchmark]: Boogie Preprocessor took 80.17ms. Allocated memory is still 215.0MB. Free memory was 168.9MB in the beginning and 167.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:50:00,517 INFO L158 Benchmark]: RCFGBuilder took 482.39ms. Allocated memory is still 215.0MB. Free memory was 166.9MB in the beginning and 152.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-01 16:50:00,517 INFO L158 Benchmark]: TraceAbstraction took 46044.49ms. Allocated memory was 215.0MB in the beginning and 635.4MB in the end (delta: 420.5MB). Free memory was 151.6MB in the beginning and 599.7MB in the end (delta: -448.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:50:00,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 215.0MB. Free memory is still 175.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 698.36ms. Allocated memory is still 215.0MB. Free memory was 186.0MB in the beginning and 171.6MB in the end (delta: 14.4MB). Peak memory consumption was 17.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.04ms. Allocated memory is still 215.0MB. Free memory was 171.6MB in the beginning and 168.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 80.17ms. Allocated memory is still 215.0MB. Free memory was 168.9MB in the beginning and 167.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 482.39ms. Allocated memory is still 215.0MB. Free memory was 166.9MB in the beginning and 152.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 46044.49ms. Allocated memory was 215.0MB in the beginning and 635.4MB in the end (delta: 420.5MB). Free memory was 151.6MB in the beginning and 599.7MB in the end (delta: -448.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: 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, 138 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 45.9s, OverallIterations: 57, TraceHistogramMax: 10, PathProgramHistogramMax: 20, EmptinessCheckTime: 0.1s, AutomataDifference: 27.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11001 SdHoareTripleChecker+Valid, 18.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11001 mSDsluCounter, 29256 SdHoareTripleChecker+Invalid, 15.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22103 mSDsCounter, 4543 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27833 IncrementalHoareTripleChecker+Invalid, 32376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4543 mSolverCounterUnsat, 7253 mSDtfsCounter, 27833 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1558 GetRequests, 668 SyntacticMatches, 1 SemanticMatches, 889 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2959 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred in iteration=35, InterpolantAutomatonStates: 755, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 57 MinimizatonAttempts, 11775 StatesRemovedByMinimization, 46 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 6184 NumberOfCodeBlocks, 6134 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 6302 ConstructedInterpolants, 0 QuantifiedInterpolants, 55127 SizeOfPredicates, 22 NumberOfNonLiveVariables, 681 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 65 InterpolantComputations, 54 PerfectInterpolantSequences, 11880/12403 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-01 16:50:00,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...