/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/09-regions_01-list_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:49:55,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:49:55,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:49:55,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-01 16:49:55,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-01 16:49:55,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-01 16:49:55,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-01 16:49:55,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-01 16:49:55,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-01 16:49:55,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-01 16:49:55,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-01 16:49:55,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-01 16:49:55,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 16:49:55,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 16:49:55,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 16:49:55,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 16:49:55,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 16:49:55,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 16:49:55,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 16:49:55,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 16:49:55,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 16:49:55,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 16:49:55,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 16:49:55,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 16:49:55,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-01 16:49:55,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:49:55,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:49:55,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:49:55,575 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 16:49:55,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:49:55,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:49:55,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:49:55,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:49:55,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:49:55,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:49:55,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:49:55,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:49:55,598 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:49:55,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:49:55,599 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:49:55,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:49:55,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:49:55,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:49:55,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:49:55,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:49:55,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:49:55,599 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:49:55,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:49:55,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:49:55,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:49:55,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:49:55,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:49:55,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:49:55,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:49:55,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:49:55,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:49:55,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:49:55,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:49:55,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:49:55,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:49:55,601 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:49:55,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:49:55,601 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:49:55,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:49:55,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:49:55,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:49:55,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:49:55,852 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:49:55,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_01-list_rc.i [2022-03-01 16:49:55,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17bdf4ccc/d6ded1d529c34848a3dec3119049f804/FLAG20b65b864 [2022-03-01 16:49:56,407 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:49:56,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_01-list_rc.i [2022-03-01 16:49:56,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17bdf4ccc/d6ded1d529c34848a3dec3119049f804/FLAG20b65b864 [2022-03-01 16:49:56,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17bdf4ccc/d6ded1d529c34848a3dec3119049f804 [2022-03-01 16:49:56,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:49:56,882 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:49:56,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:49:56,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:49:56,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:49:56,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:49:56" (1/1) ... [2022-03-01 16:49:56,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a84b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:56, skipping insertion in model container [2022-03-01 16:49:56,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:49:56" (1/1) ... [2022-03-01 16:49:56,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:49:56,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:49:57,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:49:57,381 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:49:57,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:49:57,496 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:49:57,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57 WrapperNode [2022-03-01 16:49:57,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:49:57,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:49:57,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:49:57,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:49:57,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (1/1) ... [2022-03-01 16:49:57,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (1/1) ... [2022-03-01 16:49:57,571 INFO L137 Inliner]: procedures = 368, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 176 [2022-03-01 16:49:57,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:49:57,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:49:57,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:49:57,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:49:57,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (1/1) ... [2022-03-01 16:49:57,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (1/1) ... [2022-03-01 16:49:57,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (1/1) ... [2022-03-01 16:49:57,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (1/1) ... [2022-03-01 16:49:57,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (1/1) ... [2022-03-01 16:49:57,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (1/1) ... [2022-03-01 16:49:57,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (1/1) ... [2022-03-01 16:49:57,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:49:57,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:49:57,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:49:57,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:49:57,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (1/1) ... [2022-03-01 16:49:57,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:49:57,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:57,656 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 16:49:57,667 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 16:49:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:49:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-01 16:49:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:49:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:49:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:49:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 16:49:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-01 16:49:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:49:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-01 16:49:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 16:49:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 16:49:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 16:49:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:49:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:49:57,693 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 16:49:57,861 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:49:57,863 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:49:58,293 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:49:58,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:49:58,303 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 16:49:58,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:49:58 BoogieIcfgContainer [2022-03-01 16:49:58,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:49:58,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:49:58,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:49:58,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:49:58,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:49:56" (1/3) ... [2022-03-01 16:49:58,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b45c68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:49:58, skipping insertion in model container [2022-03-01 16:49:58,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:57" (2/3) ... [2022-03-01 16:49:58,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b45c68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:49:58, skipping insertion in model container [2022-03-01 16:49:58,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:49:58" (3/3) ... [2022-03-01 16:49:58,311 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2022-03-01 16:49:58,315 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:49:58,315 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:49:58,315 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-03-01 16:49:58,315 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:49:58,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,386 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,386 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,386 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,386 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,386 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,387 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,387 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,387 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,387 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,387 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,387 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,398 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,398 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,402 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,402 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,402 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,402 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,402 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,402 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:58,404 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 16:49:58,436 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:49:58,441 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 16:49:58,442 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-03-01 16:49:58,453 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 211 places, 207 transitions, 419 flow [2022-03-01 16:49:58,568 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2306 states, 2267 states have (on average 1.9426554918394354) internal successors, (4404), 2305 states have internal predecessors, (4404), 0 states have call successors, (0), 0 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 16:49:58,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 2306 states, 2267 states have (on average 1.9426554918394354) internal successors, (4404), 2305 states have internal predecessors, (4404), 0 states have call successors, (0), 0 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 16:49:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-01 16:49:58,580 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:58,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:49:58,581 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:49:58,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:58,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1246807347, now seen corresponding path program 1 times [2022-03-01 16:49:58,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:58,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174068138] [2022-03-01 16:49:58,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:58,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:58,902 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 16:49:58,903 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:58,903 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174068138] [2022-03-01 16:49:58,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174068138] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:58,904 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:58,904 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:58,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610108621] [2022-03-01 16:49:58,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:58,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:58,909 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:58,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:58,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:58,936 INFO L87 Difference]: Start difference. First operand has 2306 states, 2267 states have (on average 1.9426554918394354) internal successors, (4404), 2305 states have internal predecessors, (4404), 0 states have call successors, (0), 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 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 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 16:49:59,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:59,251 INFO L93 Difference]: Finished difference Result 2304 states and 4402 transitions. [2022-03-01 16:49:59,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:59,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-03-01 16:49:59,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:59,277 INFO L225 Difference]: With dead ends: 2304 [2022-03-01 16:49:59,277 INFO L226 Difference]: Without dead ends: 2304 [2022-03-01 16:49:59,278 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 16:49:59,280 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 2 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:59,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 558 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:59,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2022-03-01 16:49:59,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 2304. [2022-03-01 16:49:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2304 states, 2267 states have (on average 1.941773268636965) internal successors, (4402), 2303 states have internal predecessors, (4402), 0 states have call successors, (0), 0 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 16:49:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 4402 transitions. [2022-03-01 16:49:59,400 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 4402 transitions. Word has length 44 [2022-03-01 16:49:59,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:59,401 INFO L470 AbstractCegarLoop]: Abstraction has 2304 states and 4402 transitions. [2022-03-01 16:49:59,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 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 16:49:59,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 4402 transitions. [2022-03-01 16:49:59,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-01 16:49:59,402 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:59,402 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:49:59,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:49:59,403 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:49:59,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:59,405 INFO L85 PathProgramCache]: Analyzing trace with hash -607585706, now seen corresponding path program 1 times [2022-03-01 16:49:59,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:59,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669612710] [2022-03-01 16:49:59,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:59,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:59,608 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 16:49:59,608 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:59,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669612710] [2022-03-01 16:49:59,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669612710] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:59,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:59,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:59,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945556496] [2022-03-01 16:49:59,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:59,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:59,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:59,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:59,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:59,611 INFO L87 Difference]: Start difference. First operand 2304 states and 4402 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 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 16:49:59,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:59,741 INFO L93 Difference]: Finished difference Result 2302 states and 4400 transitions. [2022-03-01 16:49:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:59,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have 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 16:49:59,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:59,751 INFO L225 Difference]: With dead ends: 2302 [2022-03-01 16:49:59,752 INFO L226 Difference]: Without dead ends: 2302 [2022-03-01 16:49:59,754 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 16:49:59,756 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 4 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:59,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 314 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2022-03-01 16:49:59,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 2302. [2022-03-01 16:49:59,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2302 states, 2267 states have (on average 1.940891045434495) internal successors, (4400), 2301 states have internal predecessors, (4400), 0 states have call successors, (0), 0 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 16:49:59,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 4400 transitions. [2022-03-01 16:49:59,814 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 4400 transitions. Word has length 52 [2022-03-01 16:49:59,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:59,814 INFO L470 AbstractCegarLoop]: Abstraction has 2302 states and 4400 transitions. [2022-03-01 16:49:59,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 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 16:49:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 4400 transitions. [2022-03-01 16:49:59,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-01 16:49:59,818 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:59,818 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:49:59,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:49:59,818 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:49:59,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:59,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1856806696, now seen corresponding path program 1 times [2022-03-01 16:49:59,819 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:59,819 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478618658] [2022-03-01 16:49:59,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:59,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:59,906 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 16:49:59,907 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:59,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478618658] [2022-03-01 16:49:59,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478618658] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:59,908 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:59,908 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:49:59,908 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919851975] [2022-03-01 16:49:59,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:59,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:49:59,909 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:59,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:49:59,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:49:59,910 INFO L87 Difference]: Start difference. First operand 2302 states and 4400 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 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 16:49:59,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:59,940 INFO L93 Difference]: Finished difference Result 2301 states and 4399 transitions. [2022-03-01 16:49:59,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:49:59,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 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 59 [2022-03-01 16:49:59,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:59,950 INFO L225 Difference]: With dead ends: 2301 [2022-03-01 16:49:59,950 INFO L226 Difference]: Without dead ends: 2301 [2022-03-01 16:49:59,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 16:49:59,957 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 2 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:59,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 378 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:59,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2022-03-01 16:49:59,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2301. [2022-03-01 16:49:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 2267 states have (on average 1.94044993383326) internal successors, (4399), 2300 states have internal predecessors, (4399), 0 states have call successors, (0), 0 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 16:50:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 4399 transitions. [2022-03-01 16:50:00,035 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 4399 transitions. Word has length 59 [2022-03-01 16:50:00,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:00,035 INFO L470 AbstractCegarLoop]: Abstraction has 2301 states and 4399 transitions. [2022-03-01 16:50:00,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 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 16:50:00,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 4399 transitions. [2022-03-01 16:50:00,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-03-01 16:50:00,036 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:00,036 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:00,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 16:50:00,037 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:00,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:00,037 INFO L85 PathProgramCache]: Analyzing trace with hash 85833681, now seen corresponding path program 1 times [2022-03-01 16:50:00,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:00,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648766718] [2022-03-01 16:50:00,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:00,038 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 16:50:00,093 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 16:50:00,094 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:00,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648766718] [2022-03-01 16:50:00,094 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648766718] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:00,094 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:00,094 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:50:00,094 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306428333] [2022-03-01 16:50:00,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:00,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:50:00,095 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:00,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:50:00,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:50:00,096 INFO L87 Difference]: Start difference. First operand 2301 states and 4399 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 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 16:50:00,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:00,121 INFO L93 Difference]: Finished difference Result 2167 states and 4136 transitions. [2022-03-01 16:50:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:50:00,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-03-01 16:50:00,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:00,129 INFO L225 Difference]: With dead ends: 2167 [2022-03-01 16:50:00,129 INFO L226 Difference]: Without dead ends: 2167 [2022-03-01 16:50:00,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 16:50:00,137 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 130 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:00,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 249 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:50:00,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-03-01 16:50:00,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2167. [2022-03-01 16:50:00,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 2149 states have (on average 1.924616100511866) internal successors, (4136), 2166 states have internal predecessors, (4136), 0 states have call successors, (0), 0 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 16:50:00,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 4136 transitions. [2022-03-01 16:50:00,181 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 4136 transitions. Word has length 63 [2022-03-01 16:50:00,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:00,181 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 4136 transitions. [2022-03-01 16:50:00,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 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 16:50:00,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 4136 transitions. [2022-03-01 16:50:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-03-01 16:50:00,187 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:00,187 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:00,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 16:50:00,188 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:00,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:00,189 INFO L85 PathProgramCache]: Analyzing trace with hash -409921448, now seen corresponding path program 1 times [2022-03-01 16:50:00,189 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:00,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524532723] [2022-03-01 16:50:00,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:00,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:00,302 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 16:50:00,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:00,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524532723] [2022-03-01 16:50:00,302 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524532723] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:00,302 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:00,302 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:00,302 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203735110] [2022-03-01 16:50:00,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:00,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:00,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:00,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:00,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:00,304 INFO L87 Difference]: Start difference. First operand 2167 states and 4136 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 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 16:50:00,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:00,429 INFO L93 Difference]: Finished difference Result 2166 states and 4135 transitions. [2022-03-01 16:50:00,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:00,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-03-01 16:50:00,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:00,439 INFO L225 Difference]: With dead ends: 2166 [2022-03-01 16:50:00,439 INFO L226 Difference]: Without dead ends: 2166 [2022-03-01 16:50:00,439 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 16:50:00,440 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 2 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:00,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 424 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:50:00,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2022-03-01 16:50:00,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2166. [2022-03-01 16:50:00,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2166 states, 2149 states have (on average 1.9241507677989762) internal successors, (4135), 2165 states have internal predecessors, (4135), 0 states have call successors, (0), 0 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 16:50:00,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 4135 transitions. [2022-03-01 16:50:00,487 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 4135 transitions. Word has length 94 [2022-03-01 16:50:00,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:00,487 INFO L470 AbstractCegarLoop]: Abstraction has 2166 states and 4135 transitions. [2022-03-01 16:50:00,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 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 16:50:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 4135 transitions. [2022-03-01 16:50:00,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-01 16:50:00,488 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:00,489 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:00,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 16:50:00,489 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:00,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:00,490 INFO L85 PathProgramCache]: Analyzing trace with hash 999506412, now seen corresponding path program 1 times [2022-03-01 16:50:00,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:00,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199511656] [2022-03-01 16:50:00,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:00,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:00,673 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 16:50:00,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:00,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199511656] [2022-03-01 16:50:00,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199511656] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:00,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:00,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:00,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241660908] [2022-03-01 16:50:00,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:00,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:00,674 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:00,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:00,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:00,675 INFO L87 Difference]: Start difference. First operand 2166 states and 4135 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 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 16:50:01,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:01,108 INFO L93 Difference]: Finished difference Result 3298 states and 6312 transitions. [2022-03-01 16:50:01,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:01,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-01 16:50:01,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:01,123 INFO L225 Difference]: With dead ends: 3298 [2022-03-01 16:50:01,124 INFO L226 Difference]: Without dead ends: 3298 [2022-03-01 16:50:01,124 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 16:50:01,125 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 264 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:01,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 718 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:01,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2022-03-01 16:50:01,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 2300. [2022-03-01 16:50:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2300 states, 2286 states have (on average 1.9238845144356955) internal successors, (4398), 2299 states have internal predecessors, (4398), 0 states have call successors, (0), 0 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 16:50:01,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 2300 states and 4398 transitions. [2022-03-01 16:50:01,199 INFO L78 Accepts]: Start accepts. Automaton has 2300 states and 4398 transitions. Word has length 111 [2022-03-01 16:50:01,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:01,200 INFO L470 AbstractCegarLoop]: Abstraction has 2300 states and 4398 transitions. [2022-03-01 16:50:01,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 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 16:50:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 4398 transitions. [2022-03-01 16:50:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:50:01,202 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:01,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:01,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 16:50:01,203 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:01,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:01,204 INFO L85 PathProgramCache]: Analyzing trace with hash 714264328, now seen corresponding path program 1 times [2022-03-01 16:50:01,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:01,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903679973] [2022-03-01 16:50:01,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:01,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:01,332 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 16:50:01,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:01,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903679973] [2022-03-01 16:50:01,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903679973] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:01,333 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:01,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:01,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002346627] [2022-03-01 16:50:01,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:01,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:01,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:01,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:01,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:01,334 INFO L87 Difference]: Start difference. First operand 2300 states and 4398 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 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 16:50:01,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:01,493 INFO L93 Difference]: Finished difference Result 2414 states and 4621 transitions. [2022-03-01 16:50:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:01,494 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:50:01,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:01,503 INFO L225 Difference]: With dead ends: 2414 [2022-03-01 16:50:01,503 INFO L226 Difference]: Without dead ends: 2414 [2022-03-01 16:50:01,503 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 16:50:01,504 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 95 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:01,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 462 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:50:01,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-03-01 16:50:01,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2387. [2022-03-01 16:50:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 2373 states have (on average 1.9249894648124737) internal successors, (4568), 2386 states have internal predecessors, (4568), 0 states have call successors, (0), 0 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 16:50:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 4568 transitions. [2022-03-01 16:50:01,548 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 4568 transitions. Word has length 116 [2022-03-01 16:50:01,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:01,548 INFO L470 AbstractCegarLoop]: Abstraction has 2387 states and 4568 transitions. [2022-03-01 16:50:01,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 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 16:50:01,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 4568 transitions. [2022-03-01 16:50:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-03-01 16:50:01,550 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:01,550 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:01,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 16:50:01,550 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:01,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:01,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1088143909, now seen corresponding path program 1 times [2022-03-01 16:50:01,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:01,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444988943] [2022-03-01 16:50:01,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:01,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:01,665 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 16:50:01,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:01,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444988943] [2022-03-01 16:50:01,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444988943] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:01,665 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:01,666 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:01,666 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472767003] [2022-03-01 16:50:01,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:01,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:01,666 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:01,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:01,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:01,667 INFO L87 Difference]: Start difference. First operand 2387 states and 4568 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 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 16:50:01,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:01,938 INFO L93 Difference]: Finished difference Result 3031 states and 5788 transitions. [2022-03-01 16:50:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:01,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-03-01 16:50:01,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:01,950 INFO L225 Difference]: With dead ends: 3031 [2022-03-01 16:50:01,951 INFO L226 Difference]: Without dead ends: 2926 [2022-03-01 16:50:01,951 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 16:50:01,951 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 212 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:01,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 555 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:01,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2926 states. [2022-03-01 16:50:01,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2926 to 2476. [2022-03-01 16:50:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2476 states, 2462 states have (on average 1.9240454914703493) internal successors, (4737), 2475 states have internal predecessors, (4737), 0 states have call successors, (0), 0 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 16:50:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 4737 transitions. [2022-03-01 16:50:02,004 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 4737 transitions. Word has length 120 [2022-03-01 16:50:02,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:02,004 INFO L470 AbstractCegarLoop]: Abstraction has 2476 states and 4737 transitions. [2022-03-01 16:50:02,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 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 16:50:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 4737 transitions. [2022-03-01 16:50:02,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:02,006 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:02,006 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:02,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 16:50:02,006 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:02,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:02,007 INFO L85 PathProgramCache]: Analyzing trace with hash 455239617, now seen corresponding path program 1 times [2022-03-01 16:50:02,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:02,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590689036] [2022-03-01 16:50:02,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:02,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:02,240 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 16:50:02,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:02,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590689036] [2022-03-01 16:50:02,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590689036] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:02,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:02,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:02,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59017006] [2022-03-01 16:50:02,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:02,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:02,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:02,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:02,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:02,242 INFO L87 Difference]: Start difference. First operand 2476 states and 4737 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:03,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:03,637 INFO L93 Difference]: Finished difference Result 3527 states and 6693 transitions. [2022-03-01 16:50:03,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:03,638 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:03,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:03,650 INFO L225 Difference]: With dead ends: 3527 [2022-03-01 16:50:03,650 INFO L226 Difference]: Without dead ends: 3492 [2022-03-01 16:50:03,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=1068, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:03,651 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 973 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 2102 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:03,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [973 Valid, 2102 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:50:03,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3492 states. [2022-03-01 16:50:03,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3492 to 2504. [2022-03-01 16:50:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 2490 states have (on average 1.9248995983935744) internal successors, (4793), 2503 states have internal predecessors, (4793), 0 states have call successors, (0), 0 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 16:50:03,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 4793 transitions. [2022-03-01 16:50:03,708 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 4793 transitions. Word has length 124 [2022-03-01 16:50:03,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:03,709 INFO L470 AbstractCegarLoop]: Abstraction has 2504 states and 4793 transitions. [2022-03-01 16:50:03,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 4793 transitions. [2022-03-01 16:50:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:03,710 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:03,710 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:03,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 16:50:03,711 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:03,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:03,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1248862262, now seen corresponding path program 1 times [2022-03-01 16:50:03,711 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:03,711 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056961726] [2022-03-01 16:50:03,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:03,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:03,891 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 16:50:03,891 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:03,891 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056961726] [2022-03-01 16:50:03,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056961726] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:03,891 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:03,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:03,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132983660] [2022-03-01 16:50:03,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:03,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:03,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:03,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:03,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:03,893 INFO L87 Difference]: Start difference. First operand 2504 states and 4793 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:04,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:04,797 INFO L93 Difference]: Finished difference Result 2793 states and 5308 transitions. [2022-03-01 16:50:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:04,797 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:04,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:04,803 INFO L225 Difference]: With dead ends: 2793 [2022-03-01 16:50:04,803 INFO L226 Difference]: Without dead ends: 2793 [2022-03-01 16:50:04,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:50:04,804 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 665 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 2376 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:04,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [665 Valid, 2376 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:04,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2793 states. [2022-03-01 16:50:04,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2793 to 2439. [2022-03-01 16:50:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2426 states have (on average 1.9220939818631493) internal successors, (4663), 2438 states have internal predecessors, (4663), 0 states have call successors, (0), 0 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 16:50:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 4663 transitions. [2022-03-01 16:50:04,849 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 4663 transitions. Word has length 124 [2022-03-01 16:50:04,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:04,849 INFO L470 AbstractCegarLoop]: Abstraction has 2439 states and 4663 transitions. [2022-03-01 16:50:04,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 4663 transitions. [2022-03-01 16:50:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:04,851 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:04,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:04,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 16:50:04,851 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:04,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:04,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1558702195, now seen corresponding path program 1 times [2022-03-01 16:50:04,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:04,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936532578] [2022-03-01 16:50:04,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:04,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:04,964 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 16:50:04,965 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:04,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936532578] [2022-03-01 16:50:04,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936532578] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:04,965 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:04,965 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:04,965 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522058893] [2022-03-01 16:50:04,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:04,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:04,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:04,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:04,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:04,967 INFO L87 Difference]: Start difference. First operand 2439 states and 4663 transitions. Second operand has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:05,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:05,168 INFO L93 Difference]: Finished difference Result 2567 states and 4914 transitions. [2022-03-01 16:50:05,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:05,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:05,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:05,174 INFO L225 Difference]: With dead ends: 2567 [2022-03-01 16:50:05,174 INFO L226 Difference]: Without dead ends: 2567 [2022-03-01 16:50:05,174 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 16:50:05,175 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 94 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:05,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 583 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:05,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2022-03-01 16:50:05,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2537. [2022-03-01 16:50:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2524 states have (on average 1.9235340729001584) internal successors, (4855), 2536 states have internal predecessors, (4855), 0 states have call successors, (0), 0 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 16:50:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 4855 transitions. [2022-03-01 16:50:05,217 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 4855 transitions. Word has length 124 [2022-03-01 16:50:05,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:05,217 INFO L470 AbstractCegarLoop]: Abstraction has 2537 states and 4855 transitions. [2022-03-01 16:50:05,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 4855 transitions. [2022-03-01 16:50:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:05,219 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:05,219 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:05,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 16:50:05,219 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:05,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:05,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1269686889, now seen corresponding path program 2 times [2022-03-01 16:50:05,220 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:05,220 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822837550] [2022-03-01 16:50:05,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:05,440 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 16:50:05,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:05,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822837550] [2022-03-01 16:50:05,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822837550] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:05,441 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:05,441 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:05,441 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126413862] [2022-03-01 16:50:05,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:05,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:05,441 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:05,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:05,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:05,442 INFO L87 Difference]: Start difference. First operand 2537 states and 4855 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:06,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:06,868 INFO L93 Difference]: Finished difference Result 5012 states and 9599 transitions. [2022-03-01 16:50:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:06,868 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:06,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:06,881 INFO L225 Difference]: With dead ends: 5012 [2022-03-01 16:50:06,881 INFO L226 Difference]: Without dead ends: 5012 [2022-03-01 16:50:06,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=283, Invalid=1049, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:06,882 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 896 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:06,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [896 Valid, 2254 Invalid, 2051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:50:06,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5012 states. [2022-03-01 16:50:06,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5012 to 2545. [2022-03-01 16:50:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2532 states have (on average 1.9237756714060033) internal successors, (4871), 2544 states have internal predecessors, (4871), 0 states have call successors, (0), 0 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 16:50:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4871 transitions. [2022-03-01 16:50:06,973 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4871 transitions. Word has length 124 [2022-03-01 16:50:06,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:06,973 INFO L470 AbstractCegarLoop]: Abstraction has 2545 states and 4871 transitions. [2022-03-01 16:50:06,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4871 transitions. [2022-03-01 16:50:06,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:06,975 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:06,976 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:06,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-01 16:50:06,976 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:06,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:06,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1849253853, now seen corresponding path program 3 times [2022-03-01 16:50:06,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:06,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565228373] [2022-03-01 16:50:06,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:06,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:07,181 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 16:50:07,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:07,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565228373] [2022-03-01 16:50:07,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565228373] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:07,182 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:07,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:07,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497260535] [2022-03-01 16:50:07,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:07,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:07,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:07,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:07,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:07,183 INFO L87 Difference]: Start difference. First operand 2545 states and 4871 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:08,749 INFO L93 Difference]: Finished difference Result 5109 states and 9793 transitions. [2022-03-01 16:50:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:08,750 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:08,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:08,760 INFO L225 Difference]: With dead ends: 5109 [2022-03-01 16:50:08,760 INFO L226 Difference]: Without dead ends: 5109 [2022-03-01 16:50:08,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=293, Invalid=1113, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:50:08,762 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 813 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 2181 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 2444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 2181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:08,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [813 Valid, 2572 Invalid, 2444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 2181 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:50:08,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5109 states. [2022-03-01 16:50:08,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5109 to 2545. [2022-03-01 16:50:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2532 states have (on average 1.9237756714060033) internal successors, (4871), 2544 states have internal predecessors, (4871), 0 states have call successors, (0), 0 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 16:50:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4871 transitions. [2022-03-01 16:50:08,821 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4871 transitions. Word has length 124 [2022-03-01 16:50:08,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:08,822 INFO L470 AbstractCegarLoop]: Abstraction has 2545 states and 4871 transitions. [2022-03-01 16:50:08,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4871 transitions. [2022-03-01 16:50:08,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:08,823 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:08,823 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:08,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-01 16:50:08,824 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:08,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:08,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1900965583, now seen corresponding path program 4 times [2022-03-01 16:50:08,824 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:08,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392899712] [2022-03-01 16:50:08,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:08,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:09,026 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 16:50:09,026 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:09,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392899712] [2022-03-01 16:50:09,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392899712] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:09,027 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:09,027 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:09,027 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485156198] [2022-03-01 16:50:09,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:09,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:09,027 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:09,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:09,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:09,028 INFO L87 Difference]: Start difference. First operand 2545 states and 4871 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:10,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:10,328 INFO L93 Difference]: Finished difference Result 5108 states and 9792 transitions. [2022-03-01 16:50:10,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:10,329 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:10,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:10,338 INFO L225 Difference]: With dead ends: 5108 [2022-03-01 16:50:10,339 INFO L226 Difference]: Without dead ends: 5108 [2022-03-01 16:50:10,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=1062, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:10,340 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 873 mSDsluCounter, 1841 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 1982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:10,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [873 Valid, 2128 Invalid, 1982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:50:10,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5108 states. [2022-03-01 16:50:10,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5108 to 2545. [2022-03-01 16:50:10,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2532 states have (on average 1.9237756714060033) internal successors, (4871), 2544 states have internal predecessors, (4871), 0 states have call successors, (0), 0 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 16:50:10,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4871 transitions. [2022-03-01 16:50:10,385 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4871 transitions. Word has length 124 [2022-03-01 16:50:10,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:10,385 INFO L470 AbstractCegarLoop]: Abstraction has 2545 states and 4871 transitions. [2022-03-01 16:50:10,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4871 transitions. [2022-03-01 16:50:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:10,387 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:10,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:10,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-01 16:50:10,387 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:10,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:10,388 INFO L85 PathProgramCache]: Analyzing trace with hash 100214313, now seen corresponding path program 5 times [2022-03-01 16:50:10,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:10,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269709268] [2022-03-01 16:50:10,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:10,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:10,591 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 16:50:10,591 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:10,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269709268] [2022-03-01 16:50:10,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269709268] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:10,591 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:10,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:10,591 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391170207] [2022-03-01 16:50:10,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:10,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:10,592 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:10,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:10,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:10,593 INFO L87 Difference]: Start difference. First operand 2545 states and 4871 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:12,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:12,033 INFO L93 Difference]: Finished difference Result 5076 states and 9725 transitions. [2022-03-01 16:50:12,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-01 16:50:12,033 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:12,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:12,044 INFO L225 Difference]: With dead ends: 5076 [2022-03-01 16:50:12,044 INFO L226 Difference]: Without dead ends: 5076 [2022-03-01 16:50:12,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=287, Invalid=973, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:12,048 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 778 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 2047 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 2526 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 2047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:12,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [778 Valid, 2526 Invalid, 2340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 2047 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:50:12,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2022-03-01 16:50:12,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 2561. [2022-03-01 16:50:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 2548 states have (on average 1.9242543171114599) internal successors, (4903), 2560 states have internal predecessors, (4903), 0 states have call successors, (0), 0 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 16:50:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 4903 transitions. [2022-03-01 16:50:12,099 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 4903 transitions. Word has length 124 [2022-03-01 16:50:12,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:12,099 INFO L470 AbstractCegarLoop]: Abstraction has 2561 states and 4903 transitions. [2022-03-01 16:50:12,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:12,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 4903 transitions. [2022-03-01 16:50:12,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:12,101 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:12,101 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:12,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-01 16:50:12,101 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:12,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:12,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1758419239, now seen corresponding path program 6 times [2022-03-01 16:50:12,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:12,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743052416] [2022-03-01 16:50:12,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:12,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:12,303 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 16:50:12,303 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:12,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743052416] [2022-03-01 16:50:12,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743052416] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:12,303 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:12,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:12,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518265432] [2022-03-01 16:50:12,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:12,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:12,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:12,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:12,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:12,304 INFO L87 Difference]: Start difference. First operand 2561 states and 4903 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:13,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:13,537 INFO L93 Difference]: Finished difference Result 5223 states and 10015 transitions. [2022-03-01 16:50:13,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-01 16:50:13,539 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:13,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:13,550 INFO L225 Difference]: With dead ends: 5223 [2022-03-01 16:50:13,550 INFO L226 Difference]: Without dead ends: 5223 [2022-03-01 16:50:13,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=310, Invalid=1096, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:50:13,551 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 1023 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:13,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1023 Valid, 1895 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [409 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:13,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5223 states. [2022-03-01 16:50:13,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5223 to 2563. [2022-03-01 16:50:13,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2550 states have (on average 1.924313725490196) internal successors, (4907), 2562 states have internal predecessors, (4907), 0 states have call successors, (0), 0 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 16:50:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 4907 transitions. [2022-03-01 16:50:13,597 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 4907 transitions. Word has length 124 [2022-03-01 16:50:13,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:13,598 INFO L470 AbstractCegarLoop]: Abstraction has 2563 states and 4907 transitions. [2022-03-01 16:50:13,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 4907 transitions. [2022-03-01 16:50:13,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:13,599 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:13,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:13,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-01 16:50:13,600 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:13,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:13,600 INFO L85 PathProgramCache]: Analyzing trace with hash -8139195, now seen corresponding path program 7 times [2022-03-01 16:50:13,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:13,600 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290802608] [2022-03-01 16:50:13,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:13,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:13,796 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 16:50:13,797 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:13,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290802608] [2022-03-01 16:50:13,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290802608] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:13,797 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:13,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:13,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206154918] [2022-03-01 16:50:13,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:13,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:13,798 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:13,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:13,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:13,798 INFO L87 Difference]: Start difference. First operand 2563 states and 4907 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:15,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:15,384 INFO L93 Difference]: Finished difference Result 5175 states and 9923 transitions. [2022-03-01 16:50:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-01 16:50:15,384 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:15,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:15,394 INFO L225 Difference]: With dead ends: 5175 [2022-03-01 16:50:15,394 INFO L226 Difference]: Without dead ends: 5175 [2022-03-01 16:50:15,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=320, Invalid=1162, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:50:15,395 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 715 mSDsluCounter, 2456 mSDsCounter, 0 mSdLazyCounter, 2383 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 2643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 2383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:15,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 2794 Invalid, 2643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 2383 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:50:15,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2022-03-01 16:50:15,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 2561. [2022-03-01 16:50:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 2548 states have (on average 1.9242543171114599) internal successors, (4903), 2560 states have internal predecessors, (4903), 0 states have call successors, (0), 0 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 16:50:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 4903 transitions. [2022-03-01 16:50:15,440 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 4903 transitions. Word has length 124 [2022-03-01 16:50:15,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:15,440 INFO L470 AbstractCegarLoop]: Abstraction has 2561 states and 4903 transitions. [2022-03-01 16:50:15,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 4903 transitions. [2022-03-01 16:50:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:15,442 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:15,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:15,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-01 16:50:15,442 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:15,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:15,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1786004623, now seen corresponding path program 8 times [2022-03-01 16:50:15,443 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:15,443 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572970795] [2022-03-01 16:50:15,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:15,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:15,630 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 16:50:15,630 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:15,630 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572970795] [2022-03-01 16:50:15,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572970795] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:15,630 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:15,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:15,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886009220] [2022-03-01 16:50:15,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:15,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:15,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:15,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:15,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:15,631 INFO L87 Difference]: Start difference. First operand 2561 states and 4903 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:16,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:16,644 INFO L93 Difference]: Finished difference Result 5101 states and 9772 transitions. [2022-03-01 16:50:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:16,644 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:16,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:16,652 INFO L225 Difference]: With dead ends: 5101 [2022-03-01 16:50:16,652 INFO L226 Difference]: Without dead ends: 5101 [2022-03-01 16:50:16,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:16,653 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 766 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:16,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [766 Valid, 1903 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:16,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5101 states. [2022-03-01 16:50:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5101 to 2565. [2022-03-01 16:50:16,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2552 states have (on average 1.9243730407523512) internal successors, (4911), 2564 states have internal predecessors, (4911), 0 states have call successors, (0), 0 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 16:50:16,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4911 transitions. [2022-03-01 16:50:16,699 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4911 transitions. Word has length 124 [2022-03-01 16:50:16,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:16,700 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4911 transitions. [2022-03-01 16:50:16,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:16,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4911 transitions. [2022-03-01 16:50:16,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:16,701 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:16,702 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:16,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-01 16:50:16,702 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:16,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:16,702 INFO L85 PathProgramCache]: Analyzing trace with hash 742404239, now seen corresponding path program 9 times [2022-03-01 16:50:16,702 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:16,703 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807339539] [2022-03-01 16:50:16,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:16,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:16,890 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 16:50:16,890 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:16,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807339539] [2022-03-01 16:50:16,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807339539] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:16,890 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:16,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:16,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119179287] [2022-03-01 16:50:16,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:16,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:16,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:16,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:16,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:16,892 INFO L87 Difference]: Start difference. First operand 2565 states and 4911 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:18,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:18,033 INFO L93 Difference]: Finished difference Result 5198 states and 9966 transitions. [2022-03-01 16:50:18,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:50:18,034 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:18,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:18,039 INFO L225 Difference]: With dead ends: 5198 [2022-03-01 16:50:18,039 INFO L226 Difference]: Without dead ends: 5198 [2022-03-01 16:50:18,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:18,040 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 801 mSDsluCounter, 1847 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:18,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [801 Valid, 2130 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:18,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5198 states. [2022-03-01 16:50:18,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5198 to 2563. [2022-03-01 16:50:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2550 states have (on average 1.924313725490196) internal successors, (4907), 2562 states have internal predecessors, (4907), 0 states have call successors, (0), 0 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 16:50:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 4907 transitions. [2022-03-01 16:50:18,084 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 4907 transitions. Word has length 124 [2022-03-01 16:50:18,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:18,084 INFO L470 AbstractCegarLoop]: Abstraction has 2563 states and 4907 transitions. [2022-03-01 16:50:18,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 4907 transitions. [2022-03-01 16:50:18,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:18,086 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:18,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:18,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-01 16:50:18,086 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:18,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:18,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1771655217, now seen corresponding path program 10 times [2022-03-01 16:50:18,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:18,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943198697] [2022-03-01 16:50:18,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:18,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:18,264 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 16:50:18,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:18,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943198697] [2022-03-01 16:50:18,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943198697] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:18,264 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:18,264 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:18,264 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241468754] [2022-03-01 16:50:18,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:18,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:18,265 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:18,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:18,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:18,266 INFO L87 Difference]: Start difference. First operand 2563 states and 4907 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:19,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:19,365 INFO L93 Difference]: Finished difference Result 5168 states and 9910 transitions. [2022-03-01 16:50:19,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:19,365 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:19,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:19,371 INFO L225 Difference]: With dead ends: 5168 [2022-03-01 16:50:19,371 INFO L226 Difference]: Without dead ends: 5168 [2022-03-01 16:50:19,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=1001, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:19,371 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 847 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 1877 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:19,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 1877 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:19,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2022-03-01 16:50:19,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 2561. [2022-03-01 16:50:19,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 2548 states have (on average 1.9242543171114599) internal successors, (4903), 2560 states have internal predecessors, (4903), 0 states have call successors, (0), 0 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 16:50:19,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 4903 transitions. [2022-03-01 16:50:19,415 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 4903 transitions. Word has length 124 [2022-03-01 16:50:19,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:19,416 INFO L470 AbstractCegarLoop]: Abstraction has 2561 states and 4903 transitions. [2022-03-01 16:50:19,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:19,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 4903 transitions. [2022-03-01 16:50:19,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:19,417 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:19,418 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:19,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-01 16:50:19,418 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:19,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:19,418 INFO L85 PathProgramCache]: Analyzing trace with hash 600222797, now seen corresponding path program 11 times [2022-03-01 16:50:19,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:19,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382183741] [2022-03-01 16:50:19,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:19,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:19,611 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 16:50:19,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:19,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382183741] [2022-03-01 16:50:19,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382183741] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:19,612 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:19,612 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:19,612 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086855049] [2022-03-01 16:50:19,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:19,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:19,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:19,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:19,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:19,613 INFO L87 Difference]: Start difference. First operand 2561 states and 4903 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:20,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:20,592 INFO L93 Difference]: Finished difference Result 4693 states and 9048 transitions. [2022-03-01 16:50:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:20,592 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:20,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:20,597 INFO L225 Difference]: With dead ends: 4693 [2022-03-01 16:50:20,597 INFO L226 Difference]: Without dead ends: 4693 [2022-03-01 16:50:20,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=266, Invalid=994, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:20,598 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 569 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1925 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:20,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 1925 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:20,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2022-03-01 16:50:20,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 2569. [2022-03-01 16:50:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2556 states have (on average 1.924491392801252) internal successors, (4919), 2568 states have internal predecessors, (4919), 0 states have call successors, (0), 0 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 16:50:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 4919 transitions. [2022-03-01 16:50:20,640 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 4919 transitions. Word has length 124 [2022-03-01 16:50:20,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:20,640 INFO L470 AbstractCegarLoop]: Abstraction has 2569 states and 4919 transitions. [2022-03-01 16:50:20,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:20,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 4919 transitions. [2022-03-01 16:50:20,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:20,642 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:20,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:20,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-01 16:50:20,642 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:20,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:20,642 INFO L85 PathProgramCache]: Analyzing trace with hash -571356565, now seen corresponding path program 12 times [2022-03-01 16:50:20,643 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:20,643 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127927683] [2022-03-01 16:50:20,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:20,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:20,838 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 16:50:20,839 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:20,839 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127927683] [2022-03-01 16:50:20,839 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127927683] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:20,839 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:20,839 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:20,839 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296366239] [2022-03-01 16:50:20,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:20,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:20,840 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:20,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:20,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:20,840 INFO L87 Difference]: Start difference. First operand 2569 states and 4919 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:21,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:21,883 INFO L93 Difference]: Finished difference Result 4714 states and 9092 transitions. [2022-03-01 16:50:21,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:21,883 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:21,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:21,888 INFO L225 Difference]: With dead ends: 4714 [2022-03-01 16:50:21,888 INFO L226 Difference]: Without dead ends: 4714 [2022-03-01 16:50:21,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=269, Invalid=1063, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:21,889 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 578 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 2027 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:21,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 2027 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:21,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4714 states. [2022-03-01 16:50:21,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4714 to 2571. [2022-03-01 16:50:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 2558 states have (on average 1.9245504300234557) internal successors, (4923), 2570 states have internal predecessors, (4923), 0 states have call successors, (0), 0 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 16:50:21,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 4923 transitions. [2022-03-01 16:50:21,929 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 4923 transitions. Word has length 124 [2022-03-01 16:50:21,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:21,929 INFO L470 AbstractCegarLoop]: Abstraction has 2571 states and 4923 transitions. [2022-03-01 16:50:21,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 4923 transitions. [2022-03-01 16:50:21,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:21,930 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:21,930 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:21,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-01 16:50:21,931 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:21,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:21,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1957052297, now seen corresponding path program 13 times [2022-03-01 16:50:21,931 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:21,931 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307699295] [2022-03-01 16:50:21,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:21,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:22,109 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:22,109 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307699295] [2022-03-01 16:50:22,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307699295] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:22,110 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:22,110 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:22,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66862136] [2022-03-01 16:50:22,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:22,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:22,110 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:22,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:22,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:22,111 INFO L87 Difference]: Start difference. First operand 2571 states and 4923 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:23,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:23,056 INFO L93 Difference]: Finished difference Result 4666 states and 9000 transitions. [2022-03-01 16:50:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:50:23,056 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:23,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:23,062 INFO L225 Difference]: With dead ends: 4666 [2022-03-01 16:50:23,062 INFO L226 Difference]: Without dead ends: 4666 [2022-03-01 16:50:23,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:50:23,063 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 610 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:23,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [610 Valid, 1731 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:23,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4666 states. [2022-03-01 16:50:23,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4666 to 2565. [2022-03-01 16:50:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2552 states have (on average 1.9243730407523512) internal successors, (4911), 2564 states have internal predecessors, (4911), 0 states have call successors, (0), 0 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 16:50:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4911 transitions. [2022-03-01 16:50:23,115 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4911 transitions. Word has length 124 [2022-03-01 16:50:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:23,115 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4911 transitions. [2022-03-01 16:50:23,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4911 transitions. [2022-03-01 16:50:23,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:23,117 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:23,117 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:23,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-01 16:50:23,117 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:23,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:23,118 INFO L85 PathProgramCache]: Analyzing trace with hash 463361807, now seen corresponding path program 14 times [2022-03-01 16:50:23,118 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:23,118 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199306277] [2022-03-01 16:50:23,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:23,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:23,318 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 16:50:23,318 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:23,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199306277] [2022-03-01 16:50:23,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199306277] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:23,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:23,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:23,318 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886968592] [2022-03-01 16:50:23,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:23,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:23,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:23,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:23,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:23,319 INFO L87 Difference]: Start difference. First operand 2565 states and 4911 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:24,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:24,328 INFO L93 Difference]: Finished difference Result 4693 states and 9048 transitions. [2022-03-01 16:50:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:24,329 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:24,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:24,334 INFO L225 Difference]: With dead ends: 4693 [2022-03-01 16:50:24,334 INFO L226 Difference]: Without dead ends: 4693 [2022-03-01 16:50:24,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:24,335 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 488 mSDsluCounter, 1612 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:24,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 1875 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:24,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2022-03-01 16:50:24,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 2573. [2022-03-01 16:50:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2560 states have (on average 1.924609375) internal successors, (4927), 2572 states have internal predecessors, (4927), 0 states have call successors, (0), 0 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 16:50:24,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 4927 transitions. [2022-03-01 16:50:24,411 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 4927 transitions. Word has length 124 [2022-03-01 16:50:24,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:24,411 INFO L470 AbstractCegarLoop]: Abstraction has 2573 states and 4927 transitions. [2022-03-01 16:50:24,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:24,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 4927 transitions. [2022-03-01 16:50:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:24,412 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:24,412 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:24,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-01 16:50:24,412 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:24,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:24,413 INFO L85 PathProgramCache]: Analyzing trace with hash -708217555, now seen corresponding path program 15 times [2022-03-01 16:50:24,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:24,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740241458] [2022-03-01 16:50:24,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:24,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:24,600 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 16:50:24,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:24,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740241458] [2022-03-01 16:50:24,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740241458] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:24,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:24,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:24,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313903013] [2022-03-01 16:50:24,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:24,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:24,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:24,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:24,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:24,602 INFO L87 Difference]: Start difference. First operand 2573 states and 4927 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:25,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:25,586 INFO L93 Difference]: Finished difference Result 4840 states and 9338 transitions. [2022-03-01 16:50:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:25,587 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:25,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:25,592 INFO L225 Difference]: With dead ends: 4840 [2022-03-01 16:50:25,592 INFO L226 Difference]: Without dead ends: 4840 [2022-03-01 16:50:25,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:25,593 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 587 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:25,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [587 Valid, 1884 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:25,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4840 states. [2022-03-01 16:50:25,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4840 to 2575. [2022-03-01 16:50:25,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2575 states, 2562 states have (on average 1.9246682279469165) internal successors, (4931), 2574 states have internal predecessors, (4931), 0 states have call successors, (0), 0 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 16:50:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 4931 transitions. [2022-03-01 16:50:25,634 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 4931 transitions. Word has length 124 [2022-03-01 16:50:25,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:25,634 INFO L470 AbstractCegarLoop]: Abstraction has 2575 states and 4931 transitions. [2022-03-01 16:50:25,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 4931 transitions. [2022-03-01 16:50:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:25,636 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:25,636 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:25,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-01 16:50:25,636 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:25,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:25,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1820191307, now seen corresponding path program 16 times [2022-03-01 16:50:25,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:25,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716281868] [2022-03-01 16:50:25,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:25,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:25,825 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 16:50:25,825 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:25,825 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716281868] [2022-03-01 16:50:25,825 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716281868] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:25,825 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:25,825 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:25,825 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591506623] [2022-03-01 16:50:25,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:25,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:25,826 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:25,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:25,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:25,827 INFO L87 Difference]: Start difference. First operand 2575 states and 4931 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:26,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:26,953 INFO L93 Difference]: Finished difference Result 4792 states and 9246 transitions. [2022-03-01 16:50:26,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:50:26,953 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:26,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:26,959 INFO L225 Difference]: With dead ends: 4792 [2022-03-01 16:50:26,959 INFO L226 Difference]: Without dead ends: 4792 [2022-03-01 16:50:26,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=286, Invalid=1120, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:50:26,960 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 583 mSDsluCounter, 1900 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:26,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [583 Valid, 2169 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:26,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4792 states. [2022-03-01 16:50:26,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4792 to 2569. [2022-03-01 16:50:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2556 states have (on average 1.924491392801252) internal successors, (4919), 2568 states have internal predecessors, (4919), 0 states have call successors, (0), 0 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 16:50:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 4919 transitions. [2022-03-01 16:50:26,997 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 4919 transitions. Word has length 124 [2022-03-01 16:50:26,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:26,998 INFO L470 AbstractCegarLoop]: Abstraction has 2569 states and 4919 transitions. [2022-03-01 16:50:26,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:26,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 4919 transitions. [2022-03-01 16:50:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:26,999 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:26,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:26,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-01 16:50:26,999 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:27,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:27,000 INFO L85 PathProgramCache]: Analyzing trace with hash 947173745, now seen corresponding path program 17 times [2022-03-01 16:50:27,000 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:27,000 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590981947] [2022-03-01 16:50:27,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:27,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:27,200 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 16:50:27,200 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:27,200 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590981947] [2022-03-01 16:50:27,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590981947] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:27,201 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:27,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:27,201 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874617356] [2022-03-01 16:50:27,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:27,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:27,201 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:27,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:27,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:27,202 INFO L87 Difference]: Start difference. First operand 2569 states and 4919 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:28,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:28,132 INFO L93 Difference]: Finished difference Result 4641 states and 8946 transitions. [2022-03-01 16:50:28,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:28,133 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:28,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:28,138 INFO L225 Difference]: With dead ends: 4641 [2022-03-01 16:50:28,138 INFO L226 Difference]: Without dead ends: 4641 [2022-03-01 16:50:28,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:50:28,139 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 605 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:28,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [605 Valid, 1687 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:28,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4641 states. [2022-03-01 16:50:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4641 to 2573. [2022-03-01 16:50:28,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2560 states have (on average 1.924609375) internal successors, (4927), 2572 states have internal predecessors, (4927), 0 states have call successors, (0), 0 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 16:50:28,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 4927 transitions. [2022-03-01 16:50:28,173 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 4927 transitions. Word has length 124 [2022-03-01 16:50:28,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:28,173 INFO L470 AbstractCegarLoop]: Abstraction has 2573 states and 4927 transitions. [2022-03-01 16:50:28,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:28,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 4927 transitions. [2022-03-01 16:50:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:28,175 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:28,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:28,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-01 16:50:28,175 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:28,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:28,175 INFO L85 PathProgramCache]: Analyzing trace with hash -819384689, now seen corresponding path program 18 times [2022-03-01 16:50:28,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:28,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733031433] [2022-03-01 16:50:28,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:28,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:28,372 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 16:50:28,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:28,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733031433] [2022-03-01 16:50:28,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733031433] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:28,373 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:28,373 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:28,373 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36672932] [2022-03-01 16:50:28,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:28,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:28,374 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:28,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:28,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:28,374 INFO L87 Difference]: Start difference. First operand 2573 states and 4927 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:29,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:29,456 INFO L93 Difference]: Finished difference Result 4738 states and 9140 transitions. [2022-03-01 16:50:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-01 16:50:29,457 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:29,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:29,462 INFO L225 Difference]: With dead ends: 4738 [2022-03-01 16:50:29,462 INFO L226 Difference]: Without dead ends: 4738 [2022-03-01 16:50:29,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=955, Unknown=0, NotChecked=0, Total=1190 [2022-03-01 16:50:29,463 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 607 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 1926 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:29,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 1926 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:29,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4738 states. [2022-03-01 16:50:29,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4738 to 2571. [2022-03-01 16:50:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 2558 states have (on average 1.9245504300234557) internal successors, (4923), 2570 states have internal predecessors, (4923), 0 states have call successors, (0), 0 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 16:50:29,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 4923 transitions. [2022-03-01 16:50:29,490 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 4923 transitions. Word has length 124 [2022-03-01 16:50:29,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:29,490 INFO L470 AbstractCegarLoop]: Abstraction has 2571 states and 4923 transitions. [2022-03-01 16:50:29,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 4923 transitions. [2022-03-01 16:50:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:29,491 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:29,492 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:29,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-01 16:50:29,492 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:29,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:29,492 INFO L85 PathProgramCache]: Analyzing trace with hash 209866289, now seen corresponding path program 19 times [2022-03-01 16:50:29,492 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:29,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919323217] [2022-03-01 16:50:29,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:29,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:29,670 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 16:50:29,670 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:29,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919323217] [2022-03-01 16:50:29,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919323217] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:29,670 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:29,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:29,670 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025579328] [2022-03-01 16:50:29,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:29,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:29,671 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:29,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:29,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:29,672 INFO L87 Difference]: Start difference. First operand 2571 states and 4923 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:30,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:30,691 INFO L93 Difference]: Finished difference Result 4708 states and 9084 transitions. [2022-03-01 16:50:30,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:30,691 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:30,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:30,697 INFO L225 Difference]: With dead ends: 4708 [2022-03-01 16:50:30,697 INFO L226 Difference]: Without dead ends: 4708 [2022-03-01 16:50:30,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:50:30,698 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 509 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:30,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [509 Valid, 1950 Invalid, 1776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:30,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4708 states. [2022-03-01 16:50:30,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4708 to 2565. [2022-03-01 16:50:30,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2552 states have (on average 1.9243730407523512) internal successors, (4911), 2564 states have internal predecessors, (4911), 0 states have call successors, (0), 0 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 16:50:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4911 transitions. [2022-03-01 16:50:30,728 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4911 transitions. Word has length 124 [2022-03-01 16:50:30,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:30,728 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4911 transitions. [2022-03-01 16:50:30,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4911 transitions. [2022-03-01 16:50:30,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:30,730 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:30,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:30,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-01 16:50:30,730 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:30,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:30,731 INFO L85 PathProgramCache]: Analyzing trace with hash -635418387, now seen corresponding path program 20 times [2022-03-01 16:50:30,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:30,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428678672] [2022-03-01 16:50:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:30,946 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 16:50:30,946 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:30,946 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428678672] [2022-03-01 16:50:30,946 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428678672] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:30,946 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:30,946 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:30,946 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693797322] [2022-03-01 16:50:30,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:30,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:30,947 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:30,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:30,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:30,947 INFO L87 Difference]: Start difference. First operand 2565 states and 4911 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:32,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:32,216 INFO L93 Difference]: Finished difference Result 4927 states and 9502 transitions. [2022-03-01 16:50:32,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:32,217 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:32,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:32,222 INFO L225 Difference]: With dead ends: 4927 [2022-03-01 16:50:32,222 INFO L226 Difference]: Without dead ends: 4927 [2022-03-01 16:50:32,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:50:32,222 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 738 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 2118 SdHoareTripleChecker+Invalid, 2076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:32,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [738 Valid, 2118 Invalid, 2076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:50:32,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4927 states. [2022-03-01 16:50:32,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4927 to 2570. [2022-03-01 16:50:32,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 2557 states have (on average 1.9245209229565898) internal successors, (4921), 2569 states have internal predecessors, (4921), 0 states have call successors, (0), 0 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 16:50:32,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 4921 transitions. [2022-03-01 16:50:32,251 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 4921 transitions. Word has length 124 [2022-03-01 16:50:32,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:32,252 INFO L470 AbstractCegarLoop]: Abstraction has 2570 states and 4921 transitions. [2022-03-01 16:50:32,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:32,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 4921 transitions. [2022-03-01 16:50:32,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:32,253 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:32,253 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:32,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-01 16:50:32,253 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:32,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:32,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1806997749, now seen corresponding path program 21 times [2022-03-01 16:50:32,253 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:32,253 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341062976] [2022-03-01 16:50:32,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:32,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:32,489 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 16:50:32,489 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:32,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341062976] [2022-03-01 16:50:32,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341062976] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:32,489 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:32,489 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:32,490 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299372870] [2022-03-01 16:50:32,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:32,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:32,490 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:32,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:32,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:32,491 INFO L87 Difference]: Start difference. First operand 2570 states and 4921 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:33,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:33,837 INFO L93 Difference]: Finished difference Result 4948 states and 9546 transitions. [2022-03-01 16:50:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:33,838 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:33,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:33,843 INFO L225 Difference]: With dead ends: 4948 [2022-03-01 16:50:33,843 INFO L226 Difference]: Without dead ends: 4948 [2022-03-01 16:50:33,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=927, Unknown=0, NotChecked=0, Total=1190 [2022-03-01 16:50:33,844 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 669 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 2345 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:33,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [669 Valid, 2345 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 2071 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:50:33,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4948 states. [2022-03-01 16:50:33,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4948 to 2572. [2022-03-01 16:50:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2572 states, 2559 states have (on average 1.9245799140289175) internal successors, (4925), 2571 states have internal predecessors, (4925), 0 states have call successors, (0), 0 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 16:50:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2572 states and 4925 transitions. [2022-03-01 16:50:33,876 INFO L78 Accepts]: Start accepts. Automaton has 2572 states and 4925 transitions. Word has length 124 [2022-03-01 16:50:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:33,876 INFO L470 AbstractCegarLoop]: Abstraction has 2572 states and 4925 transitions. [2022-03-01 16:50:33,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 4925 transitions. [2022-03-01 16:50:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:33,877 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:33,878 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:33,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-01 16:50:33,878 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:33,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:33,878 INFO L85 PathProgramCache]: Analyzing trace with hash 721411113, now seen corresponding path program 22 times [2022-03-01 16:50:33,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:33,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659702606] [2022-03-01 16:50:33,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:33,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:34,071 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 16:50:34,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:34,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659702606] [2022-03-01 16:50:34,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659702606] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:34,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:34,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:34,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150796875] [2022-03-01 16:50:34,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:34,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:34,073 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:34,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:34,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:34,073 INFO L87 Difference]: Start difference. First operand 2572 states and 4925 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:35,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:35,426 INFO L93 Difference]: Finished difference Result 4900 states and 9454 transitions. [2022-03-01 16:50:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:50:35,427 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:35,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:35,432 INFO L225 Difference]: With dead ends: 4900 [2022-03-01 16:50:35,432 INFO L226 Difference]: Without dead ends: 4900 [2022-03-01 16:50:35,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=989, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:35,433 INFO L933 BasicCegarLoop]: 355 mSDtfsCounter, 678 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 2122 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 2122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:35,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [678 Valid, 2344 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 2122 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:50:35,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4900 states. [2022-03-01 16:50:35,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4900 to 2565. [2022-03-01 16:50:35,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2552 states have (on average 1.9243730407523512) internal successors, (4911), 2564 states have internal predecessors, (4911), 0 states have call successors, (0), 0 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 16:50:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4911 transitions. [2022-03-01 16:50:35,474 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4911 transitions. Word has length 124 [2022-03-01 16:50:35,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:35,475 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4911 transitions. [2022-03-01 16:50:35,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4911 transitions. [2022-03-01 16:50:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:35,476 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:35,476 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:35,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-01 16:50:35,477 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:35,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:35,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1434944205, now seen corresponding path program 23 times [2022-03-01 16:50:35,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:35,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214321066] [2022-03-01 16:50:35,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:35,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:35,695 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 16:50:35,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:35,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214321066] [2022-03-01 16:50:35,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214321066] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:35,696 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:35,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:35,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911783778] [2022-03-01 16:50:35,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:35,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:35,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:35,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:35,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:35,697 INFO L87 Difference]: Start difference. First operand 2565 states and 4911 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:36,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:36,737 INFO L93 Difference]: Finished difference Result 4905 states and 9458 transitions. [2022-03-01 16:50:36,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:36,737 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:36,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:36,742 INFO L225 Difference]: With dead ends: 4905 [2022-03-01 16:50:36,742 INFO L226 Difference]: Without dead ends: 4905 [2022-03-01 16:50:36,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=261, Invalid=929, Unknown=0, NotChecked=0, Total=1190 [2022-03-01 16:50:36,743 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 542 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 1496 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:36,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [542 Valid, 1920 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1496 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:36,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4905 states. [2022-03-01 16:50:36,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4905 to 2567. [2022-03-01 16:50:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2554 states have (on average 1.9244322631166797) internal successors, (4915), 2566 states have internal predecessors, (4915), 0 states have call successors, (0), 0 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 16:50:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 4915 transitions. [2022-03-01 16:50:36,774 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 4915 transitions. Word has length 124 [2022-03-01 16:50:36,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:36,774 INFO L470 AbstractCegarLoop]: Abstraction has 2567 states and 4915 transitions. [2022-03-01 16:50:36,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 4915 transitions. [2022-03-01 16:50:36,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:36,775 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:36,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:36,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-01 16:50:36,775 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:36,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:36,776 INFO L85 PathProgramCache]: Analyzing trace with hash 263364843, now seen corresponding path program 24 times [2022-03-01 16:50:36,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:36,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440903984] [2022-03-01 16:50:36,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:36,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:36,972 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 16:50:36,973 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:36,973 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440903984] [2022-03-01 16:50:36,973 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440903984] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:36,973 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:36,973 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:36,973 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922987051] [2022-03-01 16:50:36,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:36,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:36,973 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:36,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:36,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:36,974 INFO L87 Difference]: Start difference. First operand 2567 states and 4915 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:38,073 INFO L93 Difference]: Finished difference Result 4926 states and 9502 transitions. [2022-03-01 16:50:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:38,073 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:38,079 INFO L225 Difference]: With dead ends: 4926 [2022-03-01 16:50:38,079 INFO L226 Difference]: Without dead ends: 4926 [2022-03-01 16:50:38,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:38,080 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 715 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:38,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 1714 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:38,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4926 states. [2022-03-01 16:50:38,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4926 to 2569. [2022-03-01 16:50:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2556 states have (on average 1.924491392801252) internal successors, (4919), 2568 states have internal predecessors, (4919), 0 states have call successors, (0), 0 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 16:50:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 4919 transitions. [2022-03-01 16:50:38,121 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 4919 transitions. Word has length 124 [2022-03-01 16:50:38,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:38,121 INFO L470 AbstractCegarLoop]: Abstraction has 2569 states and 4919 transitions. [2022-03-01 16:50:38,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 4919 transitions. [2022-03-01 16:50:38,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:38,122 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:38,123 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:38,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-01 16:50:38,123 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:38,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:38,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1503193591, now seen corresponding path program 25 times [2022-03-01 16:50:38,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:38,123 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842230229] [2022-03-01 16:50:38,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:38,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:38,307 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 16:50:38,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:38,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842230229] [2022-03-01 16:50:38,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842230229] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:38,308 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:38,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:38,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290181163] [2022-03-01 16:50:38,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:38,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:38,309 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:38,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:38,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:38,309 INFO L87 Difference]: Start difference. First operand 2569 states and 4919 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:39,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:39,509 INFO L93 Difference]: Finished difference Result 4878 states and 9410 transitions. [2022-03-01 16:50:39,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:50:39,510 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:39,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:39,515 INFO L225 Difference]: With dead ends: 4878 [2022-03-01 16:50:39,515 INFO L226 Difference]: Without dead ends: 4878 [2022-03-01 16:50:39,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=272, Invalid=1060, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:39,516 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 659 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 2082 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:39,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [659 Valid, 2082 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:39,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4878 states. [2022-03-01 16:50:39,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4878 to 2562. [2022-03-01 16:50:39,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2562 states, 2549 states have (on average 1.9242840329540996) internal successors, (4905), 2561 states have internal predecessors, (4905), 0 states have call successors, (0), 0 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 16:50:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 4905 transitions. [2022-03-01 16:50:39,543 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 4905 transitions. Word has length 124 [2022-03-01 16:50:39,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:39,543 INFO L470 AbstractCegarLoop]: Abstraction has 2562 states and 4905 transitions. [2022-03-01 16:50:39,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 4905 transitions. [2022-03-01 16:50:39,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:39,545 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:39,545 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:39,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-01 16:50:39,545 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:39,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:39,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1298083215, now seen corresponding path program 26 times [2022-03-01 16:50:39,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:39,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803054798] [2022-03-01 16:50:39,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:39,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:39,756 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 16:50:39,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:39,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803054798] [2022-03-01 16:50:39,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803054798] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:39,756 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:39,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:39,757 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093268465] [2022-03-01 16:50:39,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:39,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:39,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:39,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:39,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:39,758 INFO L87 Difference]: Start difference. First operand 2562 states and 4905 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:40,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:40,824 INFO L93 Difference]: Finished difference Result 4863 states and 9375 transitions. [2022-03-01 16:50:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:40,824 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:40,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:40,830 INFO L225 Difference]: With dead ends: 4863 [2022-03-01 16:50:40,830 INFO L226 Difference]: Without dead ends: 4863 [2022-03-01 16:50:40,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=272, Invalid=918, Unknown=0, NotChecked=0, Total=1190 [2022-03-01 16:50:40,832 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 702 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:40,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [702 Valid, 1875 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4863 states. [2022-03-01 16:50:40,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4863 to 2554. [2022-03-01 16:50:40,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2554 states, 2541 states have (on average 1.9240456513183786) internal successors, (4889), 2553 states have internal predecessors, (4889), 0 states have call successors, (0), 0 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 16:50:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 4889 transitions. [2022-03-01 16:50:40,864 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 4889 transitions. Word has length 124 [2022-03-01 16:50:40,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:40,864 INFO L470 AbstractCegarLoop]: Abstraction has 2554 states and 4889 transitions. [2022-03-01 16:50:40,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:40,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 4889 transitions. [2022-03-01 16:50:40,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:40,865 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:40,865 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:40,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-01 16:50:40,866 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:40,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:40,866 INFO L85 PathProgramCache]: Analyzing trace with hash 126503853, now seen corresponding path program 27 times [2022-03-01 16:50:40,866 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:40,866 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713418372] [2022-03-01 16:50:40,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:40,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:41,047 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 16:50:41,047 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:41,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713418372] [2022-03-01 16:50:41,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713418372] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:41,047 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:41,047 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:41,048 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321284078] [2022-03-01 16:50:41,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:41,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:41,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:41,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:41,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:41,049 INFO L87 Difference]: Start difference. First operand 2554 states and 4889 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:42,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:42,077 INFO L93 Difference]: Finished difference Result 5010 states and 9665 transitions. [2022-03-01 16:50:42,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:42,079 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:42,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:42,086 INFO L225 Difference]: With dead ends: 5010 [2022-03-01 16:50:42,087 INFO L226 Difference]: Without dead ends: 5010 [2022-03-01 16:50:42,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:42,087 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 733 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:42,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [733 Valid, 1808 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:42,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states. [2022-03-01 16:50:42,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5010 to 2556. [2022-03-01 16:50:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 2543 states have (on average 1.92410538733779) internal successors, (4893), 2555 states have internal predecessors, (4893), 0 states have call successors, (0), 0 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 16:50:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 4893 transitions. [2022-03-01 16:50:42,120 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 4893 transitions. Word has length 124 [2022-03-01 16:50:42,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:42,120 INFO L470 AbstractCegarLoop]: Abstraction has 2556 states and 4893 transitions. [2022-03-01 16:50:42,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:42,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 4893 transitions. [2022-03-01 16:50:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:42,122 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:42,122 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:42,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-01 16:50:42,122 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:42,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:42,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1640054581, now seen corresponding path program 28 times [2022-03-01 16:50:42,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:42,123 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696604874] [2022-03-01 16:50:42,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:42,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:42,305 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 16:50:42,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:42,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696604874] [2022-03-01 16:50:42,305 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696604874] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:42,305 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:42,305 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:42,305 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975964296] [2022-03-01 16:50:42,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:42,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:42,306 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:42,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:42,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:42,307 INFO L87 Difference]: Start difference. First operand 2556 states and 4893 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:43,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:43,541 INFO L93 Difference]: Finished difference Result 4962 states and 9573 transitions. [2022-03-01 16:50:43,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:50:43,541 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:43,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:43,547 INFO L225 Difference]: With dead ends: 4962 [2022-03-01 16:50:43,547 INFO L226 Difference]: Without dead ends: 4962 [2022-03-01 16:50:43,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:43,548 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 699 mSDsluCounter, 1686 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 1976 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:43,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [699 Valid, 1976 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 1655 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:43,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4962 states. [2022-03-01 16:50:43,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4962 to 2550. [2022-03-01 16:50:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 2537 states have (on average 1.9239258967284194) internal successors, (4881), 2549 states have internal predecessors, (4881), 0 states have call successors, (0), 0 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 16:50:43,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 4881 transitions. [2022-03-01 16:50:43,577 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 4881 transitions. Word has length 124 [2022-03-01 16:50:43,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:43,578 INFO L470 AbstractCegarLoop]: Abstraction has 2550 states and 4881 transitions. [2022-03-01 16:50:43,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:43,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 4881 transitions. [2022-03-01 16:50:43,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:43,579 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:43,579 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:43,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-01 16:50:43,579 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:43,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:43,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1781895153, now seen corresponding path program 29 times [2022-03-01 16:50:43,579 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:43,580 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930308269] [2022-03-01 16:50:43,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:43,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:43,766 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 16:50:43,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:43,767 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930308269] [2022-03-01 16:50:43,767 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930308269] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:43,767 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:43,767 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:43,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404527440] [2022-03-01 16:50:43,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:43,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:43,767 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:43,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:43,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:43,768 INFO L87 Difference]: Start difference. First operand 2550 states and 4881 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:44,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:44,682 INFO L93 Difference]: Finished difference Result 4811 states and 9273 transitions. [2022-03-01 16:50:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:44,683 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:44,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:44,688 INFO L225 Difference]: With dead ends: 4811 [2022-03-01 16:50:44,688 INFO L226 Difference]: Without dead ends: 4811 [2022-03-01 16:50:44,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=828, Unknown=0, NotChecked=0, Total=1056 [2022-03-01 16:50:44,689 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 699 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:44,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [699 Valid, 1597 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:44,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4811 states. [2022-03-01 16:50:44,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4811 to 2546. [2022-03-01 16:50:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 2533 states have (on average 1.9238057639163049) internal successors, (4873), 2545 states have internal predecessors, (4873), 0 states have call successors, (0), 0 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 16:50:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 4873 transitions. [2022-03-01 16:50:44,720 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 4873 transitions. Word has length 124 [2022-03-01 16:50:44,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:44,720 INFO L470 AbstractCegarLoop]: Abstraction has 2546 states and 4873 transitions. [2022-03-01 16:50:44,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 4873 transitions. [2022-03-01 16:50:44,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:44,722 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:44,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:44,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-01 16:50:44,722 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:44,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:44,723 INFO L85 PathProgramCache]: Analyzing trace with hash 15336719, now seen corresponding path program 30 times [2022-03-01 16:50:44,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:44,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119013263] [2022-03-01 16:50:44,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:44,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:44,906 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 16:50:44,906 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:44,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119013263] [2022-03-01 16:50:44,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119013263] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:44,907 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:44,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:44,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498550354] [2022-03-01 16:50:44,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:44,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:44,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:44,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:44,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:44,908 INFO L87 Difference]: Start difference. First operand 2546 states and 4873 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:46,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:46,007 INFO L93 Difference]: Finished difference Result 4908 states and 9467 transitions. [2022-03-01 16:50:46,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-01 16:50:46,008 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:46,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:46,013 INFO L225 Difference]: With dead ends: 4908 [2022-03-01 16:50:46,014 INFO L226 Difference]: Without dead ends: 4908 [2022-03-01 16:50:46,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=236, Invalid=886, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:50:46,014 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 644 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 1929 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:46,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [644 Valid, 1929 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:46,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4908 states. [2022-03-01 16:50:46,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4908 to 2544. [2022-03-01 16:50:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2531 states have (on average 1.9237455551165548) internal successors, (4869), 2543 states have internal predecessors, (4869), 0 states have call successors, (0), 0 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 16:50:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 4869 transitions. [2022-03-01 16:50:46,045 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 4869 transitions. Word has length 124 [2022-03-01 16:50:46,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:46,045 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 4869 transitions. [2022-03-01 16:50:46,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 4869 transitions. [2022-03-01 16:50:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-01 16:50:46,046 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:46,046 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:46,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-01 16:50:46,046 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:46,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:46,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1044587697, now seen corresponding path program 31 times [2022-03-01 16:50:46,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:46,047 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540522797] [2022-03-01 16:50:46,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:46,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:46,214 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 16:50:46,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:46,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540522797] [2022-03-01 16:50:46,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540522797] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:46,214 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:46,214 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:46,214 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139382187] [2022-03-01 16:50:46,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:46,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:46,215 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:46,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:46,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:46,216 INFO L87 Difference]: Start difference. First operand 2544 states and 4869 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:47,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:47,376 INFO L93 Difference]: Finished difference Result 4741 states and 9145 transitions. [2022-03-01 16:50:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:47,376 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-01 16:50:47,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:47,381 INFO L225 Difference]: With dead ends: 4741 [2022-03-01 16:50:47,381 INFO L226 Difference]: Without dead ends: 4741 [2022-03-01 16:50:47,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2022-03-01 16:50:47,382 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 674 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 1781 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2079 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 1781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:47,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [674 Valid, 2079 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 1781 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:47,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4741 states. [2022-03-01 16:50:47,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4741 to 2384. [2022-03-01 16:50:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2384 states, 2372 states have (on average 1.9211635750421585) internal successors, (4557), 2383 states have internal predecessors, (4557), 0 states have call successors, (0), 0 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 16:50:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 4557 transitions. [2022-03-01 16:50:47,414 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 4557 transitions. Word has length 124 [2022-03-01 16:50:47,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:47,414 INFO L470 AbstractCegarLoop]: Abstraction has 2384 states and 4557 transitions. [2022-03-01 16:50:47,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 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 16:50:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 4557 transitions. [2022-03-01 16:50:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-01 16:50:47,416 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:47,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:47,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-01 16:50:47,416 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:47,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:47,417 INFO L85 PathProgramCache]: Analyzing trace with hash 2084670673, now seen corresponding path program 1 times [2022-03-01 16:50:47,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:47,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754219714] [2022-03-01 16:50:47,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:47,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:47,566 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 16:50:47,566 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:47,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754219714] [2022-03-01 16:50:47,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754219714] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:47,567 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:47,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:47,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702890957] [2022-03-01 16:50:47,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:47,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:47,567 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:47,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:47,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:47,568 INFO L87 Difference]: Start difference. First operand 2384 states and 4557 transitions. Second operand has 13 states, 12 states have (on average 11.0) internal successors, (132), 13 states have internal predecessors, (132), 0 states have call successors, (0), 0 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 16:50:48,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:48,146 INFO L93 Difference]: Finished difference Result 2672 states and 5071 transitions. [2022-03-01 16:50:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:48,147 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 11.0) internal successors, (132), 13 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-03-01 16:50:48,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:48,149 INFO L225 Difference]: With dead ends: 2672 [2022-03-01 16:50:48,149 INFO L226 Difference]: Without dead ends: 2672 [2022-03-01 16:50:48,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:50:48,150 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 668 mSDsluCounter, 1692 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:48,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [668 Valid, 1986 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:48,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2672 states. [2022-03-01 16:50:48,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2672 to 2339. [2022-03-01 16:50:48,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2339 states, 2327 states have (on average 1.9196390201976794) internal successors, (4467), 2338 states have internal predecessors, (4467), 0 states have call successors, (0), 0 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 16:50:48,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 2339 states and 4467 transitions. [2022-03-01 16:50:48,187 INFO L78 Accepts]: Start accepts. Automaton has 2339 states and 4467 transitions. Word has length 132 [2022-03-01 16:50:48,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:48,187 INFO L470 AbstractCegarLoop]: Abstraction has 2339 states and 4467 transitions. [2022-03-01 16:50:48,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 11.0) internal successors, (132), 13 states have internal predecessors, (132), 0 states have call successors, (0), 0 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 16:50:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 4467 transitions. [2022-03-01 16:50:48,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:50:48,188 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:48,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:48,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-01 16:50:48,189 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:48,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:48,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1769207121, now seen corresponding path program 1 times [2022-03-01 16:50:48,189 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:48,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804280210] [2022-03-01 16:50:48,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:48,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:48,674 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 16:50:48,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:48,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804280210] [2022-03-01 16:50:48,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804280210] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:48,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:48,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-01 16:50:48,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077521035] [2022-03-01 16:50:48,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:48,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:50:48,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:48,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:50:48,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:50:48,676 INFO L87 Difference]: Start difference. First operand 2339 states and 4467 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:50:50,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:50,778 INFO L93 Difference]: Finished difference Result 3068 states and 5871 transitions. [2022-03-01 16:50:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:50:50,778 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:50:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:50,782 INFO L225 Difference]: With dead ends: 3068 [2022-03-01 16:50:50,782 INFO L226 Difference]: Without dead ends: 3068 [2022-03-01 16:50:50,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1437 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=801, Invalid=4169, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 16:50:50,783 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1587 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 2448 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 3071 SdHoareTripleChecker+Invalid, 2618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 2448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:50,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1587 Valid, 3071 Invalid, 2618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 2448 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:50:50,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2022-03-01 16:50:50,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 2395. [2022-03-01 16:50:50,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2395 states, 2383 states have (on average 1.9215274863617289) internal successors, (4579), 2394 states have internal predecessors, (4579), 0 states have call successors, (0), 0 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 16:50:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2395 states and 4579 transitions. [2022-03-01 16:50:50,806 INFO L78 Accepts]: Start accepts. Automaton has 2395 states and 4579 transitions. Word has length 133 [2022-03-01 16:50:50,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:50,806 INFO L470 AbstractCegarLoop]: Abstraction has 2395 states and 4579 transitions. [2022-03-01 16:50:50,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:50:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 4579 transitions. [2022-03-01 16:50:50,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:50:50,808 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:50,808 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:50,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-01 16:50:50,808 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:50,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:50,808 INFO L85 PathProgramCache]: Analyzing trace with hash -841446123, now seen corresponding path program 2 times [2022-03-01 16:50:50,808 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:50,808 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600196544] [2022-03-01 16:50:50,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:50,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:51,213 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 16:50:51,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:51,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600196544] [2022-03-01 16:50:51,213 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600196544] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:51,214 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:51,214 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:50:51,214 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149503498] [2022-03-01 16:50:51,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:51,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:50:51,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:51,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:50:51,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:50:51,215 INFO L87 Difference]: Start difference. First operand 2395 states and 4579 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:50:53,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:53,252 INFO L93 Difference]: Finished difference Result 3112 states and 5957 transitions. [2022-03-01 16:50:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:50:53,253 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:50:53,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:53,256 INFO L225 Difference]: With dead ends: 3112 [2022-03-01 16:50:53,256 INFO L226 Difference]: Without dead ends: 3112 [2022-03-01 16:50:53,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1402 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=842, Invalid=3988, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:50:53,257 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 1600 mSDsluCounter, 2828 mSDsCounter, 0 mSdLazyCounter, 2190 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1600 SdHoareTripleChecker+Valid, 3104 SdHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 2190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:53,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1600 Valid, 3104 Invalid, 2371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 2190 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:50:53,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3112 states. [2022-03-01 16:50:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3112 to 2406. [2022-03-01 16:50:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2406 states, 2394 states have (on average 1.9218880534670009) internal successors, (4601), 2405 states have internal predecessors, (4601), 0 states have call successors, (0), 0 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 16:50:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 4601 transitions. [2022-03-01 16:50:53,279 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 4601 transitions. Word has length 133 [2022-03-01 16:50:53,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:53,279 INFO L470 AbstractCegarLoop]: Abstraction has 2406 states and 4601 transitions. [2022-03-01 16:50:53,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:50:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 4601 transitions. [2022-03-01 16:50:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:50:53,281 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:53,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:53,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-01 16:50:53,281 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:53,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:53,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1748334609, now seen corresponding path program 3 times [2022-03-01 16:50:53,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:53,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371470049] [2022-03-01 16:50:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:53,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:53,664 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 16:50:53,664 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:53,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371470049] [2022-03-01 16:50:53,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371470049] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:53,665 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:53,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-01 16:50:53,665 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635740918] [2022-03-01 16:50:53,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:53,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:50:53,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:53,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:50:53,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:50:53,666 INFO L87 Difference]: Start difference. First operand 2406 states and 4601 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:50:56,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:56,016 INFO L93 Difference]: Finished difference Result 3162 states and 6055 transitions. [2022-03-01 16:50:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-01 16:50:56,017 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:50:56,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:56,020 INFO L225 Difference]: With dead ends: 3162 [2022-03-01 16:50:56,020 INFO L226 Difference]: Without dead ends: 3162 [2022-03-01 16:50:56,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1997 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1066, Invalid=5414, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:50:56,022 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 1811 mSDsluCounter, 2850 mSDsCounter, 0 mSdLazyCounter, 2588 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1811 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 2848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 2588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:56,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1811 Valid, 3119 Invalid, 2848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 2588 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:50:56,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3162 states. [2022-03-01 16:50:56,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3162 to 2417. [2022-03-01 16:50:56,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2417 states, 2405 states have (on average 1.9222453222453222) internal successors, (4623), 2416 states have internal predecessors, (4623), 0 states have call successors, (0), 0 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 16:50:56,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 4623 transitions. [2022-03-01 16:50:56,045 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 4623 transitions. Word has length 133 [2022-03-01 16:50:56,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:56,045 INFO L470 AbstractCegarLoop]: Abstraction has 2417 states and 4623 transitions. [2022-03-01 16:50:56,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:50:56,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 4623 transitions. [2022-03-01 16:50:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:50:56,047 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:56,047 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:56,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-01 16:50:56,047 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:56,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:56,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1357761373, now seen corresponding path program 4 times [2022-03-01 16:50:56,048 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:56,048 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649139054] [2022-03-01 16:50:56,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:56,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:56,467 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 16:50:56,468 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:56,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649139054] [2022-03-01 16:50:56,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649139054] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:56,468 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:56,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-01 16:50:56,468 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656036867] [2022-03-01 16:50:56,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:56,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:50:56,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:56,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:50:56,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:50:56,469 INFO L87 Difference]: Start difference. First operand 2417 states and 4623 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:50:59,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:59,437 INFO L93 Difference]: Finished difference Result 3193 states and 6115 transitions. [2022-03-01 16:50:59,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-03-01 16:50:59,437 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:50:59,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:59,441 INFO L225 Difference]: With dead ends: 3193 [2022-03-01 16:50:59,441 INFO L226 Difference]: Without dead ends: 3193 [2022-03-01 16:50:59,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3271 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1641, Invalid=7865, Unknown=0, NotChecked=0, Total=9506 [2022-03-01 16:50:59,442 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1565 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 3131 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 3962 SdHoareTripleChecker+Invalid, 3429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 3131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:59,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1565 Valid, 3962 Invalid, 3429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 3131 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:50:59,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-03-01 16:50:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 2428. [2022-03-01 16:50:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2428 states, 2416 states have (on average 1.9225993377483444) internal successors, (4645), 2427 states have internal predecessors, (4645), 0 states have call successors, (0), 0 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 16:50:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 4645 transitions. [2022-03-01 16:50:59,466 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 4645 transitions. Word has length 133 [2022-03-01 16:50:59,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:59,466 INFO L470 AbstractCegarLoop]: Abstraction has 2428 states and 4645 transitions. [2022-03-01 16:50:59,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:50:59,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 4645 transitions. [2022-03-01 16:50:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:50:59,468 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:59,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:50:59,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-01 16:50:59,468 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:50:59,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:59,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1162720236, now seen corresponding path program 1 times [2022-03-01 16:50:59,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:59,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67598347] [2022-03-01 16:50:59,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:59,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:59,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:59,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:59,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67598347] [2022-03-01 16:50:59,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67598347] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:59,772 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:59,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:50:59,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502780788] [2022-03-01 16:50:59,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:59,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:50:59,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:59,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:50:59,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:50:59,786 INFO L87 Difference]: Start difference. First operand 2428 states and 4645 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:02,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:02,349 INFO L93 Difference]: Finished difference Result 4769 states and 9106 transitions. [2022-03-01 16:51:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:51:02,349 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:02,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:02,354 INFO L225 Difference]: With dead ends: 4769 [2022-03-01 16:51:02,354 INFO L226 Difference]: Without dead ends: 4769 [2022-03-01 16:51:02,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1464 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=734, Invalid=4522, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:51:02,355 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 2609 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 3450 mSolverCounterSat, 591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2609 SdHoareTripleChecker+Valid, 3896 SdHoareTripleChecker+Invalid, 4041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 3450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:02,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2609 Valid, 3896 Invalid, 4041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [591 Valid, 3450 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:51:02,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4769 states. [2022-03-01 16:51:02,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4769 to 2609. [2022-03-01 16:51:02,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 2597 states have (on average 1.9295340777820562) internal successors, (5011), 2608 states have internal predecessors, (5011), 0 states have call successors, (0), 0 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 16:51:02,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 5011 transitions. [2022-03-01 16:51:02,383 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 5011 transitions. Word has length 133 [2022-03-01 16:51:02,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:02,383 INFO L470 AbstractCegarLoop]: Abstraction has 2609 states and 5011 transitions. [2022-03-01 16:51:02,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:02,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 5011 transitions. [2022-03-01 16:51:02,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:02,384 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:02,385 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:02,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-01 16:51:02,385 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:02,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:02,385 INFO L85 PathProgramCache]: Analyzing trace with hash 181990295, now seen corresponding path program 5 times [2022-03-01 16:51:02,385 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:02,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014569085] [2022-03-01 16:51:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:02,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:02,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:02,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014569085] [2022-03-01 16:51:02,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014569085] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:02,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:02,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:51:02,703 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278781945] [2022-03-01 16:51:02,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:02,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:51:02,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:02,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:51:02,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:51:02,704 INFO L87 Difference]: Start difference. First operand 2609 states and 5011 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:05,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:05,262 INFO L93 Difference]: Finished difference Result 4027 states and 7707 transitions. [2022-03-01 16:51:05,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-03-01 16:51:05,262 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:05,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:05,266 INFO L225 Difference]: With dead ends: 4027 [2022-03-01 16:51:05,266 INFO L226 Difference]: Without dead ends: 4027 [2022-03-01 16:51:05,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2902 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1572, Invalid=6984, Unknown=0, NotChecked=0, Total=8556 [2022-03-01 16:51:05,267 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 2281 mSDsluCounter, 3389 mSDsCounter, 0 mSdLazyCounter, 2638 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 3726 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 2638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:05,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2281 Valid, 3726 Invalid, 2988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 2638 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:51:05,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4027 states. [2022-03-01 16:51:05,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4027 to 2565. [2022-03-01 16:51:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2553 states have (on average 1.926752839796318) internal successors, (4919), 2564 states have internal predecessors, (4919), 0 states have call successors, (0), 0 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 16:51:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4919 transitions. [2022-03-01 16:51:05,290 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4919 transitions. Word has length 133 [2022-03-01 16:51:05,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:05,291 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4919 transitions. [2022-03-01 16:51:05,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4919 transitions. [2022-03-01 16:51:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:05,292 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:05,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:05,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-01 16:51:05,292 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:05,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:05,293 INFO L85 PathProgramCache]: Analyzing trace with hash -177997911, now seen corresponding path program 6 times [2022-03-01 16:51:05,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:05,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638761452] [2022-03-01 16:51:05,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:05,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:05,734 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 16:51:05,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:05,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638761452] [2022-03-01 16:51:05,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638761452] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:05,734 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:05,734 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-01 16:51:05,734 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355543373] [2022-03-01 16:51:05,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:05,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:51:05,735 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:05,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:51:05,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:51:05,735 INFO L87 Difference]: Start difference. First operand 2565 states and 4919 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:07,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:07,929 INFO L93 Difference]: Finished difference Result 4380 states and 8473 transitions. [2022-03-01 16:51:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:51:07,930 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:07,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:07,937 INFO L225 Difference]: With dead ends: 4380 [2022-03-01 16:51:07,937 INFO L226 Difference]: Without dead ends: 4380 [2022-03-01 16:51:07,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1509 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=780, Invalid=4476, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:51:07,939 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 1382 mSDsluCounter, 3618 mSDsCounter, 0 mSdLazyCounter, 2882 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 3909 SdHoareTripleChecker+Invalid, 2998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 2882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:07,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1382 Valid, 3909 Invalid, 2998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 2882 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:51:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4380 states. [2022-03-01 16:51:07,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4380 to 2633. [2022-03-01 16:51:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2621 states have (on average 1.928653185806944) internal successors, (5055), 2632 states have internal predecessors, (5055), 0 states have call successors, (0), 0 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 16:51:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 5055 transitions. [2022-03-01 16:51:07,966 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 5055 transitions. Word has length 133 [2022-03-01 16:51:07,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:07,967 INFO L470 AbstractCegarLoop]: Abstraction has 2633 states and 5055 transitions. [2022-03-01 16:51:07,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 5055 transitions. [2022-03-01 16:51:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:07,968 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:07,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:07,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-01 16:51:07,968 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:07,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:07,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1506316141, now seen corresponding path program 7 times [2022-03-01 16:51:07,969 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:07,969 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21095224] [2022-03-01 16:51:07,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:07,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:08,363 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 16:51:08,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:08,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21095224] [2022-03-01 16:51:08,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21095224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:08,364 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:08,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:51:08,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413583431] [2022-03-01 16:51:08,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:08,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:51:08,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:08,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:51:08,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:51:08,365 INFO L87 Difference]: Start difference. First operand 2633 states and 5055 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:10,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:10,401 INFO L93 Difference]: Finished difference Result 4424 states and 8559 transitions. [2022-03-01 16:51:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:51:10,401 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:10,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:10,406 INFO L225 Difference]: With dead ends: 4424 [2022-03-01 16:51:10,406 INFO L226 Difference]: Without dead ends: 4424 [2022-03-01 16:51:10,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1475 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=811, Invalid=4301, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:51:10,406 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 1509 mSDsluCounter, 3203 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 3517 SdHoareTripleChecker+Invalid, 2526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:10,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1509 Valid, 3517 Invalid, 2526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:51:10,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4424 states. [2022-03-01 16:51:10,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4424 to 2644. [2022-03-01 16:51:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 2632 states have (on average 1.928951367781155) internal successors, (5077), 2643 states have internal predecessors, (5077), 0 states have call successors, (0), 0 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 16:51:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 5077 transitions. [2022-03-01 16:51:10,439 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 5077 transitions. Word has length 133 [2022-03-01 16:51:10,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:10,439 INFO L470 AbstractCegarLoop]: Abstraction has 2644 states and 5077 transitions. [2022-03-01 16:51:10,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 5077 transitions. [2022-03-01 16:51:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:10,441 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:10,441 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:10,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-01 16:51:10,441 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:10,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:10,442 INFO L85 PathProgramCache]: Analyzing trace with hash 599427655, now seen corresponding path program 8 times [2022-03-01 16:51:10,442 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:10,442 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174203812] [2022-03-01 16:51:10,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:10,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:10,806 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 16:51:10,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:10,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174203812] [2022-03-01 16:51:10,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174203812] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:10,806 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:10,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:51:10,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661955999] [2022-03-01 16:51:10,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:10,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:51:10,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:10,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:51:10,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:51:10,808 INFO L87 Difference]: Start difference. First operand 2644 states and 5077 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:13,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:13,285 INFO L93 Difference]: Finished difference Result 4474 states and 8657 transitions. [2022-03-01 16:51:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 16:51:13,285 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:13,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:13,290 INFO L225 Difference]: With dead ends: 4474 [2022-03-01 16:51:13,290 INFO L226 Difference]: Without dead ends: 4474 [2022-03-01 16:51:13,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1790 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=980, Invalid=5026, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:51:13,291 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 1256 mSDsluCounter, 4180 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 4502 SdHoareTripleChecker+Invalid, 3387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:13,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1256 Valid, 4502 Invalid, 3387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 3226 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:51:13,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2022-03-01 16:51:13,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 2655. [2022-03-01 16:51:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2655 states, 2643 states have (on average 1.929247067726069) internal successors, (5099), 2654 states have internal predecessors, (5099), 0 states have call successors, (0), 0 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 16:51:13,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2655 states and 5099 transitions. [2022-03-01 16:51:13,318 INFO L78 Accepts]: Start accepts. Automaton has 2655 states and 5099 transitions. Word has length 133 [2022-03-01 16:51:13,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:13,318 INFO L470 AbstractCegarLoop]: Abstraction has 2655 states and 5099 transitions. [2022-03-01 16:51:13,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:13,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 5099 transitions. [2022-03-01 16:51:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:13,319 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:13,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:13,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-01 16:51:13,320 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:13,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:13,320 INFO L85 PathProgramCache]: Analyzing trace with hash -589443659, now seen corresponding path program 9 times [2022-03-01 16:51:13,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:13,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449438003] [2022-03-01 16:51:13,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:13,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:13,635 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 16:51:13,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:13,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449438003] [2022-03-01 16:51:13,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449438003] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:13,636 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:13,636 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:51:13,636 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608805570] [2022-03-01 16:51:13,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:13,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:51:13,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:13,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:51:13,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:51:13,637 INFO L87 Difference]: Start difference. First operand 2655 states and 5099 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:16,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:16,692 INFO L93 Difference]: Finished difference Result 4657 states and 9017 transitions. [2022-03-01 16:51:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-01 16:51:16,693 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:16,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:16,698 INFO L225 Difference]: With dead ends: 4657 [2022-03-01 16:51:16,698 INFO L226 Difference]: Without dead ends: 4657 [2022-03-01 16:51:16,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3332 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1587, Invalid=8513, Unknown=0, NotChecked=0, Total=10100 [2022-03-01 16:51:16,700 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 1431 mSDsluCounter, 4197 mSDsCounter, 0 mSdLazyCounter, 3723 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 4585 SdHoareTripleChecker+Invalid, 3956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 3723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:16,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1431 Valid, 4585 Invalid, 3956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 3723 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:51:16,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4657 states. [2022-03-01 16:51:16,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4657 to 2666. [2022-03-01 16:51:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 2654 states have (on average 1.929540316503391) internal successors, (5121), 2665 states have internal predecessors, (5121), 0 states have call successors, (0), 0 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 16:51:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 5121 transitions. [2022-03-01 16:51:16,728 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 5121 transitions. Word has length 133 [2022-03-01 16:51:16,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:16,728 INFO L470 AbstractCegarLoop]: Abstraction has 2666 states and 5121 transitions. [2022-03-01 16:51:16,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 5121 transitions. [2022-03-01 16:51:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:16,730 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:16,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:16,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-01 16:51:16,730 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:16,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:16,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1185042028, now seen corresponding path program 2 times [2022-03-01 16:51:16,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:16,730 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316468321] [2022-03-01 16:51:16,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:16,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:17,042 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 16:51:17,043 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:17,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316468321] [2022-03-01 16:51:17,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316468321] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:17,043 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:17,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:51:17,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706018567] [2022-03-01 16:51:17,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:17,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:51:17,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:17,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:51:17,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:51:17,044 INFO L87 Difference]: Start difference. First operand 2666 states and 5121 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:19,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:19,280 INFO L93 Difference]: Finished difference Result 5336 states and 10259 transitions. [2022-03-01 16:51:19,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:51:19,281 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:19,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:19,287 INFO L225 Difference]: With dead ends: 5336 [2022-03-01 16:51:19,287 INFO L226 Difference]: Without dead ends: 5336 [2022-03-01 16:51:19,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1388 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=659, Invalid=4311, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 16:51:19,288 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 1640 mSDsluCounter, 3980 mSDsCounter, 0 mSdLazyCounter, 3532 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 4398 SdHoareTripleChecker+Invalid, 3755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 3532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:19,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1640 Valid, 4398 Invalid, 3755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 3532 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:51:19,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5336 states. [2022-03-01 16:51:19,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5336 to 2673. [2022-03-01 16:51:19,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 2661 states have (on average 1.931228861330327) internal successors, (5139), 2672 states have internal predecessors, (5139), 0 states have call successors, (0), 0 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 16:51:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 5139 transitions. [2022-03-01 16:51:19,318 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 5139 transitions. Word has length 133 [2022-03-01 16:51:19,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:19,318 INFO L470 AbstractCegarLoop]: Abstraction has 2673 states and 5139 transitions. [2022-03-01 16:51:19,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 5139 transitions. [2022-03-01 16:51:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:19,320 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:19,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:19,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-01 16:51:19,320 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:19,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:19,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1765214737, now seen corresponding path program 10 times [2022-03-01 16:51:19,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:19,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136969500] [2022-03-01 16:51:19,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:19,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:19,611 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 16:51:19,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:19,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136969500] [2022-03-01 16:51:19,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136969500] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:19,611 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:19,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:51:19,612 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829666908] [2022-03-01 16:51:19,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:19,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:51:19,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:19,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:51:19,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:51:19,613 INFO L87 Difference]: Start difference. First operand 2673 states and 5139 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:22,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:22,013 INFO L93 Difference]: Finished difference Result 4880 states and 9423 transitions. [2022-03-01 16:51:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-01 16:51:22,014 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:22,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:22,018 INFO L225 Difference]: With dead ends: 4880 [2022-03-01 16:51:22,018 INFO L226 Difference]: Without dead ends: 4880 [2022-03-01 16:51:22,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2449 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=978, Invalid=6854, Unknown=0, NotChecked=0, Total=7832 [2022-03-01 16:51:22,019 INFO L933 BasicCegarLoop]: 438 mSDtfsCounter, 1272 mSDsluCounter, 4523 mSDsCounter, 0 mSdLazyCounter, 3877 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 4959 SdHoareTripleChecker+Invalid, 3995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:22,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 4959 Invalid, 3995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 3877 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:51:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4880 states. [2022-03-01 16:51:22,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4880 to 2577. [2022-03-01 16:51:22,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2577 states, 2565 states have (on average 1.9270955165692008) internal successors, (4943), 2576 states have internal predecessors, (4943), 0 states have call successors, (0), 0 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 16:51:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 4943 transitions. [2022-03-01 16:51:22,054 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 4943 transitions. Word has length 133 [2022-03-01 16:51:22,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:22,054 INFO L470 AbstractCegarLoop]: Abstraction has 2577 states and 4943 transitions. [2022-03-01 16:51:22,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 4943 transitions. [2022-03-01 16:51:22,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:22,056 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:22,056 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:22,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-01 16:51:22,056 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:22,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:22,056 INFO L85 PathProgramCache]: Analyzing trace with hash 466290604, now seen corresponding path program 3 times [2022-03-01 16:51:22,057 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:22,057 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668586146] [2022-03-01 16:51:22,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:22,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:22,335 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 16:51:22,336 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:22,336 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668586146] [2022-03-01 16:51:22,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668586146] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:22,336 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:22,336 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:51:22,336 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725020335] [2022-03-01 16:51:22,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:22,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:51:22,336 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:22,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:51:22,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:51:22,337 INFO L87 Difference]: Start difference. First operand 2577 states and 4943 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:24,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:24,896 INFO L93 Difference]: Finished difference Result 6462 states and 12382 transitions. [2022-03-01 16:51:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:51:24,897 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:24,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:24,919 INFO L225 Difference]: With dead ends: 6462 [2022-03-01 16:51:24,919 INFO L226 Difference]: Without dead ends: 6462 [2022-03-01 16:51:24,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1606 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=755, Invalid=4795, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:51:24,919 INFO L933 BasicCegarLoop]: 440 mSDtfsCounter, 1509 mSDsluCounter, 4939 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 4393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:24,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1509 Valid, 5375 Invalid, 4393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 4202 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:51:24,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6462 states. [2022-03-01 16:51:24,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6462 to 2657. [2022-03-01 16:51:24,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2657 states, 2645 states have (on average 1.930812854442344) internal successors, (5107), 2656 states have internal predecessors, (5107), 0 states have call successors, (0), 0 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 16:51:24,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 5107 transitions. [2022-03-01 16:51:24,947 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 5107 transitions. Word has length 133 [2022-03-01 16:51:24,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:24,948 INFO L470 AbstractCegarLoop]: Abstraction has 2657 states and 5107 transitions. [2022-03-01 16:51:24,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:24,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 5107 transitions. [2022-03-01 16:51:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:24,949 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:24,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:24,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-01 16:51:24,949 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:24,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:24,950 INFO L85 PathProgramCache]: Analyzing trace with hash -665176017, now seen corresponding path program 11 times [2022-03-01 16:51:24,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:24,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058317824] [2022-03-01 16:51:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:24,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:25,204 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 16:51:25,204 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:25,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058317824] [2022-03-01 16:51:25,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058317824] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:25,204 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:25,204 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:51:25,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415082614] [2022-03-01 16:51:25,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:25,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:51:25,205 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:25,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:51:25,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:51:25,205 INFO L87 Difference]: Start difference. First operand 2657 states and 5107 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:27,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:27,787 INFO L93 Difference]: Finished difference Result 5544 states and 10680 transitions. [2022-03-01 16:51:27,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-03-01 16:51:27,788 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:27,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:27,794 INFO L225 Difference]: With dead ends: 5544 [2022-03-01 16:51:27,794 INFO L226 Difference]: Without dead ends: 5544 [2022-03-01 16:51:27,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2629 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=982, Invalid=7208, Unknown=0, NotChecked=0, Total=8190 [2022-03-01 16:51:27,795 INFO L933 BasicCegarLoop]: 489 mSDtfsCounter, 1157 mSDsluCounter, 5724 mSDsCounter, 0 mSdLazyCounter, 4415 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 6211 SdHoareTripleChecker+Invalid, 4503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 4415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:27,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1157 Valid, 6211 Invalid, 4503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 4415 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:51:27,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5544 states. [2022-03-01 16:51:27,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5544 to 2615. [2022-03-01 16:51:27,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2615 states, 2603 states have (on average 1.9281598155973876) internal successors, (5019), 2614 states have internal predecessors, (5019), 0 states have call successors, (0), 0 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 16:51:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 5019 transitions. [2022-03-01 16:51:27,836 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 5019 transitions. Word has length 133 [2022-03-01 16:51:27,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:27,836 INFO L470 AbstractCegarLoop]: Abstraction has 2615 states and 5019 transitions. [2022-03-01 16:51:27,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 5019 transitions. [2022-03-01 16:51:27,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:27,838 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:27,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:27,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-01 16:51:27,838 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:27,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:27,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1876666220, now seen corresponding path program 4 times [2022-03-01 16:51:27,838 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:27,838 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705273980] [2022-03-01 16:51:27,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:27,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:28,111 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 16:51:28,112 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:28,112 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705273980] [2022-03-01 16:51:28,112 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705273980] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:28,112 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:28,112 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:51:28,112 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774877779] [2022-03-01 16:51:28,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:28,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:51:28,113 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:28,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:51:28,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:51:28,113 INFO L87 Difference]: Start difference. First operand 2615 states and 5019 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:30,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:30,847 INFO L93 Difference]: Finished difference Result 5730 states and 10987 transitions. [2022-03-01 16:51:30,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-01 16:51:30,848 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:30,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:30,854 INFO L225 Difference]: With dead ends: 5730 [2022-03-01 16:51:30,854 INFO L226 Difference]: Without dead ends: 5730 [2022-03-01 16:51:30,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1503 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=772, Invalid=4630, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:51:30,855 INFO L933 BasicCegarLoop]: 455 mSDtfsCounter, 1286 mSDsluCounter, 5085 mSDsCounter, 0 mSdLazyCounter, 4568 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 5536 SdHoareTripleChecker+Invalid, 4777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 4568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:30,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1286 Valid, 5536 Invalid, 4777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 4568 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:51:30,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5730 states. [2022-03-01 16:51:30,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5730 to 2617. [2022-03-01 16:51:30,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2605 states have (on average 1.9282149712092131) internal successors, (5023), 2616 states have internal predecessors, (5023), 0 states have call successors, (0), 0 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 16:51:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 5023 transitions. [2022-03-01 16:51:30,896 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 5023 transitions. Word has length 133 [2022-03-01 16:51:30,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:30,896 INFO L470 AbstractCegarLoop]: Abstraction has 2617 states and 5023 transitions. [2022-03-01 16:51:30,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 5023 transitions. [2022-03-01 16:51:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:30,897 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:30,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:30,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-01 16:51:30,897 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:30,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:30,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2035580688, now seen corresponding path program 5 times [2022-03-01 16:51:30,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:30,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525780391] [2022-03-01 16:51:30,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:30,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:31,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:31,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525780391] [2022-03-01 16:51:31,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525780391] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:31,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:31,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:51:31,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732531157] [2022-03-01 16:51:31,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:31,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:51:31,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:31,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:51:31,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:51:31,137 INFO L87 Difference]: Start difference. First operand 2617 states and 5023 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:34,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:34,067 INFO L93 Difference]: Finished difference Result 5694 states and 10915 transitions. [2022-03-01 16:51:34,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:51:34,067 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:34,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:34,072 INFO L225 Difference]: With dead ends: 5694 [2022-03-01 16:51:34,072 INFO L226 Difference]: Without dead ends: 5694 [2022-03-01 16:51:34,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1616 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=797, Invalid=4903, Unknown=0, NotChecked=0, Total=5700 [2022-03-01 16:51:34,072 INFO L933 BasicCegarLoop]: 473 mSDtfsCounter, 1348 mSDsluCounter, 5538 mSDsCounter, 0 mSdLazyCounter, 5161 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1348 SdHoareTripleChecker+Valid, 6007 SdHoareTripleChecker+Invalid, 5380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 5161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:34,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1348 Valid, 6007 Invalid, 5380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 5161 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:51:34,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5694 states. [2022-03-01 16:51:34,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5694 to 2593. [2022-03-01 16:51:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2593 states, 2581 states have (on average 1.9275474622239441) internal successors, (4975), 2592 states have internal predecessors, (4975), 0 states have call successors, (0), 0 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 16:51:34,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2593 states and 4975 transitions. [2022-03-01 16:51:34,098 INFO L78 Accepts]: Start accepts. Automaton has 2593 states and 4975 transitions. Word has length 133 [2022-03-01 16:51:34,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:34,098 INFO L470 AbstractCegarLoop]: Abstraction has 2593 states and 4975 transitions. [2022-03-01 16:51:34,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:34,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 4975 transitions. [2022-03-01 16:51:34,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:34,100 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:34,100 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:34,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-01 16:51:34,100 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:34,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:34,100 INFO L85 PathProgramCache]: Analyzing trace with hash 254340073, now seen corresponding path program 12 times [2022-03-01 16:51:34,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:34,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127903796] [2022-03-01 16:51:34,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:34,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:34,490 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:34,490 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127903796] [2022-03-01 16:51:34,490 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127903796] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:34,490 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:34,490 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-01 16:51:34,490 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929838838] [2022-03-01 16:51:34,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:34,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:51:34,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:34,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:51:34,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:51:34,491 INFO L87 Difference]: Start difference. First operand 2593 states and 4975 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:36,526 INFO L93 Difference]: Finished difference Result 4436 states and 8585 transitions. [2022-03-01 16:51:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:51:36,526 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:36,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:36,531 INFO L225 Difference]: With dead ends: 4436 [2022-03-01 16:51:36,531 INFO L226 Difference]: Without dead ends: 4436 [2022-03-01 16:51:36,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1488 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=772, Invalid=4484, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:51:36,532 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 1323 mSDsluCounter, 3026 mSDsCounter, 0 mSdLazyCounter, 2522 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 3288 SdHoareTripleChecker+Invalid, 2650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:36,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1323 Valid, 3288 Invalid, 2650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2522 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:51:36,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4436 states. [2022-03-01 16:51:36,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4436 to 2685. [2022-03-01 16:51:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 2673 states have (on average 1.9300411522633745) internal successors, (5159), 2684 states have internal predecessors, (5159), 0 states have call successors, (0), 0 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 16:51:36,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 5159 transitions. [2022-03-01 16:51:36,564 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 5159 transitions. Word has length 133 [2022-03-01 16:51:36,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:36,564 INFO L470 AbstractCegarLoop]: Abstraction has 2685 states and 5159 transitions. [2022-03-01 16:51:36,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 5159 transitions. [2022-03-01 16:51:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:36,565 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:36,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:36,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-01 16:51:36,566 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:36,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:36,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1938654125, now seen corresponding path program 13 times [2022-03-01 16:51:36,566 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:36,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890064219] [2022-03-01 16:51:36,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:36,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:36,941 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 16:51:36,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:36,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890064219] [2022-03-01 16:51:36,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890064219] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:36,941 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:36,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:51:36,941 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567867135] [2022-03-01 16:51:36,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:36,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:51:36,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:36,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:51:36,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:51:36,942 INFO L87 Difference]: Start difference. First operand 2685 states and 5159 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:39,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:39,111 INFO L93 Difference]: Finished difference Result 4480 states and 8671 transitions. [2022-03-01 16:51:39,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:51:39,111 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:39,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:39,117 INFO L225 Difference]: With dead ends: 4480 [2022-03-01 16:51:39,117 INFO L226 Difference]: Without dead ends: 4480 [2022-03-01 16:51:39,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1455 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=792, Invalid=4320, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:51:39,118 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 1440 mSDsluCounter, 3349 mSDsCounter, 0 mSdLazyCounter, 2851 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 3001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 2851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:39,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1440 Valid, 3634 Invalid, 3001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 2851 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:51:39,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4480 states. [2022-03-01 16:51:39,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4480 to 2696. [2022-03-01 16:51:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 2684 states have (on average 1.930327868852459) internal successors, (5181), 2695 states have internal predecessors, (5181), 0 states have call successors, (0), 0 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 16:51:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 5181 transitions. [2022-03-01 16:51:39,154 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 5181 transitions. Word has length 133 [2022-03-01 16:51:39,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:39,154 INFO L470 AbstractCegarLoop]: Abstraction has 2696 states and 5181 transitions. [2022-03-01 16:51:39,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:39,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 5181 transitions. [2022-03-01 16:51:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:39,156 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:39,156 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:39,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-01 16:51:39,156 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:39,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:39,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1031765639, now seen corresponding path program 14 times [2022-03-01 16:51:39,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:39,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926093193] [2022-03-01 16:51:39,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:39,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:39,571 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 16:51:39,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:39,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926093193] [2022-03-01 16:51:39,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926093193] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:39,571 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:39,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-01 16:51:39,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186241372] [2022-03-01 16:51:39,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:39,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:51:39,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:39,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:51:39,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:51:39,572 INFO L87 Difference]: Start difference. First operand 2696 states and 5181 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:42,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:42,159 INFO L93 Difference]: Finished difference Result 4530 states and 8769 transitions. [2022-03-01 16:51:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-01 16:51:42,159 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:42,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:42,164 INFO L225 Difference]: With dead ends: 4530 [2022-03-01 16:51:42,164 INFO L226 Difference]: Without dead ends: 4530 [2022-03-01 16:51:42,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2056 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=981, Invalid=5825, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:51:42,165 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 1366 mSDsluCounter, 3688 mSDsCounter, 0 mSdLazyCounter, 3381 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 3568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 3381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:42,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1366 Valid, 3966 Invalid, 3568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 3381 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:51:42,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-03-01 16:51:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2707. [2022-03-01 16:51:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2707 states, 2695 states have (on average 1.9306122448979592) internal successors, (5203), 2706 states have internal predecessors, (5203), 0 states have call successors, (0), 0 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 16:51:42,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2707 states and 5203 transitions. [2022-03-01 16:51:42,196 INFO L78 Accepts]: Start accepts. Automaton has 2707 states and 5203 transitions. Word has length 133 [2022-03-01 16:51:42,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:42,196 INFO L470 AbstractCegarLoop]: Abstraction has 2707 states and 5203 transitions. [2022-03-01 16:51:42,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 5203 transitions. [2022-03-01 16:51:42,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:42,198 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:42,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:42,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-01 16:51:42,198 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:42,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:42,199 INFO L85 PathProgramCache]: Analyzing trace with hash -157105675, now seen corresponding path program 15 times [2022-03-01 16:51:42,199 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:42,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50478563] [2022-03-01 16:51:42,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:42,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:42,537 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 16:51:42,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:42,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50478563] [2022-03-01 16:51:42,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50478563] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:42,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:42,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:51:42,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529585794] [2022-03-01 16:51:42,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:42,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:51:42,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:42,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:51:42,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:51:42,539 INFO L87 Difference]: Start difference. First operand 2707 states and 5203 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:45,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:45,610 INFO L93 Difference]: Finished difference Result 4713 states and 9129 transitions. [2022-03-01 16:51:45,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-01 16:51:45,610 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:45,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:45,614 INFO L225 Difference]: With dead ends: 4713 [2022-03-01 16:51:45,614 INFO L226 Difference]: Without dead ends: 4713 [2022-03-01 16:51:45,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3313 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1519, Invalid=8581, Unknown=0, NotChecked=0, Total=10100 [2022-03-01 16:51:45,615 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 1492 mSDsluCounter, 4016 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 4375 SdHoareTripleChecker+Invalid, 4078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:45,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1492 Valid, 4375 Invalid, 4078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:51:45,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4713 states. [2022-03-01 16:51:45,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4713 to 2718. [2022-03-01 16:51:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2706 states have (on average 1.9308943089430894) internal successors, (5225), 2717 states have internal predecessors, (5225), 0 states have call successors, (0), 0 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 16:51:45,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 5225 transitions. [2022-03-01 16:51:45,639 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 5225 transitions. Word has length 133 [2022-03-01 16:51:45,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:45,640 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 5225 transitions. [2022-03-01 16:51:45,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 5225 transitions. [2022-03-01 16:51:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:45,641 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:45,641 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:45,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-01 16:51:45,641 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:45,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:45,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1617380012, now seen corresponding path program 6 times [2022-03-01 16:51:45,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:45,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446345380] [2022-03-01 16:51:45,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:45,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:45,941 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 16:51:45,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:45,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446345380] [2022-03-01 16:51:45,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446345380] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:45,941 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:45,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:51:45,941 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204687624] [2022-03-01 16:51:45,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:45,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 16:51:45,941 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:45,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 16:51:45,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:51:45,942 INFO L87 Difference]: Start difference. First operand 2718 states and 5225 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:48,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:48,405 INFO L93 Difference]: Finished difference Result 5392 states and 10371 transitions. [2022-03-01 16:51:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-01 16:51:48,406 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:48,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:48,412 INFO L225 Difference]: With dead ends: 5392 [2022-03-01 16:51:48,412 INFO L226 Difference]: Without dead ends: 5392 [2022-03-01 16:51:48,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1616 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=684, Invalid=4866, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:51:48,412 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1548 mSDsluCounter, 4181 mSDsCounter, 0 mSdLazyCounter, 4297 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 4548 SdHoareTripleChecker+Invalid, 4488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 4297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:48,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1548 Valid, 4548 Invalid, 4488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 4297 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:51:48,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5392 states. [2022-03-01 16:51:48,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5392 to 2725. [2022-03-01 16:51:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2713 states have (on average 1.9325469959454478) internal successors, (5243), 2724 states have internal predecessors, (5243), 0 states have call successors, (0), 0 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 16:51:48,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 5243 transitions. [2022-03-01 16:51:48,454 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 5243 transitions. Word has length 133 [2022-03-01 16:51:48,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:48,454 INFO L470 AbstractCegarLoop]: Abstraction has 2725 states and 5243 transitions. [2022-03-01 16:51:48,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:48,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 5243 transitions. [2022-03-01 16:51:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:48,456 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:48,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:48,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-01 16:51:48,456 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:48,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:48,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1332876753, now seen corresponding path program 16 times [2022-03-01 16:51:48,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:48,457 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166161020] [2022-03-01 16:51:48,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:48,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:48,716 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 16:51:48,716 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:48,716 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166161020] [2022-03-01 16:51:48,716 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166161020] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:48,717 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:48,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:51:48,717 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284141908] [2022-03-01 16:51:48,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:48,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:51:48,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:48,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:51:48,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:51:48,718 INFO L87 Difference]: Start difference. First operand 2725 states and 5243 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:51,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:51,210 INFO L93 Difference]: Finished difference Result 4936 states and 9535 transitions. [2022-03-01 16:51:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-01 16:51:51,210 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:51,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:51,216 INFO L225 Difference]: With dead ends: 4936 [2022-03-01 16:51:51,216 INFO L226 Difference]: Without dead ends: 4936 [2022-03-01 16:51:51,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2447 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1008, Invalid=6824, Unknown=0, NotChecked=0, Total=7832 [2022-03-01 16:51:51,217 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 1284 mSDsluCounter, 4261 mSDsCounter, 0 mSdLazyCounter, 3959 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 4661 SdHoareTripleChecker+Invalid, 4073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:51,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1284 Valid, 4661 Invalid, 4073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3959 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:51:51,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4936 states. [2022-03-01 16:51:51,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4936 to 2629. [2022-03-01 16:51:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2629 states, 2617 states have (on average 1.9285441345051586) internal successors, (5047), 2628 states have internal predecessors, (5047), 0 states have call successors, (0), 0 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 16:51:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 5047 transitions. [2022-03-01 16:51:51,253 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 5047 transitions. Word has length 133 [2022-03-01 16:51:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:51,253 INFO L470 AbstractCegarLoop]: Abstraction has 2629 states and 5047 transitions. [2022-03-01 16:51:51,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 5047 transitions. [2022-03-01 16:51:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:51,255 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:51,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:51,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-01 16:51:51,255 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:51,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:51,256 INFO L85 PathProgramCache]: Analyzing trace with hash 898628588, now seen corresponding path program 7 times [2022-03-01 16:51:51,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:51,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408497930] [2022-03-01 16:51:51,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:51,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:51,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:51,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408497930] [2022-03-01 16:51:51,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408497930] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:51,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:51,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:51:51,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270347431] [2022-03-01 16:51:51,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:51,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:51:51,499 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:51,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:51:51,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:51:51,499 INFO L87 Difference]: Start difference. First operand 2629 states and 5047 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:54,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:54,116 INFO L93 Difference]: Finished difference Result 7030 states and 13506 transitions. [2022-03-01 16:51:54,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 16:51:54,116 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:54,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:54,124 INFO L225 Difference]: With dead ends: 7030 [2022-03-01 16:51:54,124 INFO L226 Difference]: Without dead ends: 7030 [2022-03-01 16:51:54,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1801 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=777, Invalid=5229, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:51:54,125 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 1647 mSDsluCounter, 4900 mSDsCounter, 0 mSdLazyCounter, 4369 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 5348 SdHoareTripleChecker+Invalid, 4573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 4369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:54,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1647 Valid, 5348 Invalid, 4573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 4369 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:51:54,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-03-01 16:51:54,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 2709. [2022-03-01 16:51:54,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2709 states, 2697 states have (on average 1.932146829810901) internal successors, (5211), 2708 states have internal predecessors, (5211), 0 states have call successors, (0), 0 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 16:51:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2709 states and 5211 transitions. [2022-03-01 16:51:54,162 INFO L78 Accepts]: Start accepts. Automaton has 2709 states and 5211 transitions. Word has length 133 [2022-03-01 16:51:54,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:54,162 INFO L470 AbstractCegarLoop]: Abstraction has 2709 states and 5211 transitions. [2022-03-01 16:51:54,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 5211 transitions. [2022-03-01 16:51:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:54,164 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:54,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:54,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-01 16:51:54,164 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:54,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:54,164 INFO L85 PathProgramCache]: Analyzing trace with hash -232838033, now seen corresponding path program 17 times [2022-03-01 16:51:54,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:54,165 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025880329] [2022-03-01 16:51:54,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:54,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:54,432 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:54,432 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025880329] [2022-03-01 16:51:54,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025880329] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:54,432 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:54,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:51:54,432 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217314455] [2022-03-01 16:51:54,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:54,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 16:51:54,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:54,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 16:51:54,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:51:54,433 INFO L87 Difference]: Start difference. First operand 2709 states and 5211 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:57,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:57,730 INFO L93 Difference]: Finished difference Result 6142 states and 11864 transitions. [2022-03-01 16:51:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-03-01 16:51:57,730 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:51:57,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:57,735 INFO L225 Difference]: With dead ends: 6142 [2022-03-01 16:51:57,735 INFO L226 Difference]: Without dead ends: 6142 [2022-03-01 16:51:57,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4275 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1385, Invalid=11047, Unknown=0, NotChecked=0, Total=12432 [2022-03-01 16:51:57,736 INFO L933 BasicCegarLoop]: 486 mSDtfsCounter, 1406 mSDsluCounter, 6044 mSDsCounter, 0 mSdLazyCounter, 5468 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 6526 SdHoareTripleChecker+Invalid, 5589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 5468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:57,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1406 Valid, 6526 Invalid, 5589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 5468 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:51:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6142 states. [2022-03-01 16:51:57,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6142 to 2667. [2022-03-01 16:51:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2655 states have (on average 1.9295668549905838) internal successors, (5123), 2666 states have internal predecessors, (5123), 0 states have call successors, (0), 0 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 16:51:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 5123 transitions. [2022-03-01 16:51:57,767 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 5123 transitions. Word has length 133 [2022-03-01 16:51:57,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:57,767 INFO L470 AbstractCegarLoop]: Abstraction has 2667 states and 5123 transitions. [2022-03-01 16:51:57,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:51:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 5123 transitions. [2022-03-01 16:51:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:51:57,768 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:57,768 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:51:57,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-01 16:51:57,769 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:51:57,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:57,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1985963092, now seen corresponding path program 8 times [2022-03-01 16:51:57,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:57,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21387999] [2022-03-01 16:51:57,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:57,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:58,042 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 16:51:58,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:58,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21387999] [2022-03-01 16:51:58,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21387999] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:58,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:58,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:51:58,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559712079] [2022-03-01 16:51:58,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:58,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:51:58,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:58,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:51:58,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:51:58,043 INFO L87 Difference]: Start difference. First operand 2667 states and 5123 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:00,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:00,718 INFO L93 Difference]: Finished difference Result 6298 states and 12111 transitions. [2022-03-01 16:52:00,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:52:00,718 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:00,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:00,724 INFO L225 Difference]: With dead ends: 6298 [2022-03-01 16:52:00,724 INFO L226 Difference]: Without dead ends: 6298 [2022-03-01 16:52:00,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1694 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=786, Invalid=5066, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:52:00,724 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 1543 mSDsluCounter, 4761 mSDsCounter, 0 mSdLazyCounter, 4356 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 5229 SdHoareTripleChecker+Invalid, 4561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 4356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:00,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1543 Valid, 5229 Invalid, 4561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 4356 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:52:00,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6298 states. [2022-03-01 16:52:00,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6298 to 2663. [2022-03-01 16:52:00,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2651 states have (on average 1.929460580912863) internal successors, (5115), 2662 states have internal predecessors, (5115), 0 states have call successors, (0), 0 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 16:52:00,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 5115 transitions. [2022-03-01 16:52:00,756 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 5115 transitions. Word has length 133 [2022-03-01 16:52:00,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:00,756 INFO L470 AbstractCegarLoop]: Abstraction has 2663 states and 5115 transitions. [2022-03-01 16:52:00,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 5115 transitions. [2022-03-01 16:52:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:00,757 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:00,757 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:00,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-01 16:52:00,758 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:00,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:00,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1603242704, now seen corresponding path program 9 times [2022-03-01 16:52:00,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:00,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767840433] [2022-03-01 16:52:00,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:00,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:01,147 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 16:52:01,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:01,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767840433] [2022-03-01 16:52:01,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767840433] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:01,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:01,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:01,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946495252] [2022-03-01 16:52:01,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:01,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:01,148 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:01,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:01,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:01,149 INFO L87 Difference]: Start difference. First operand 2663 states and 5115 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:04,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:04,416 INFO L93 Difference]: Finished difference Result 6262 states and 12039 transitions. [2022-03-01 16:52:04,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 16:52:04,417 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:04,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:04,423 INFO L225 Difference]: With dead ends: 6262 [2022-03-01 16:52:04,423 INFO L226 Difference]: Without dead ends: 6262 [2022-03-01 16:52:04,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1814 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=809, Invalid=5353, Unknown=0, NotChecked=0, Total=6162 [2022-03-01 16:52:04,423 INFO L933 BasicCegarLoop]: 490 mSDtfsCounter, 1501 mSDsluCounter, 5043 mSDsCounter, 0 mSdLazyCounter, 4669 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 4895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 4669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:04,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1501 Valid, 5530 Invalid, 4895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 4669 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:52:04,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6262 states. [2022-03-01 16:52:04,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6262 to 2617. [2022-03-01 16:52:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2605 states have (on average 1.9282149712092131) internal successors, (5023), 2616 states have internal predecessors, (5023), 0 states have call successors, (0), 0 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 16:52:04,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 5023 transitions. [2022-03-01 16:52:04,454 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 5023 transitions. Word has length 133 [2022-03-01 16:52:04,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:04,454 INFO L470 AbstractCegarLoop]: Abstraction has 2617 states and 5023 transitions. [2022-03-01 16:52:04,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 5023 transitions. [2022-03-01 16:52:04,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:04,455 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:04,455 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:04,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-01 16:52:04,455 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:04,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:04,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1314846548, now seen corresponding path program 10 times [2022-03-01 16:52:04,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:04,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696794043] [2022-03-01 16:52:04,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:04,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:04,727 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 16:52:04,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:04,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696794043] [2022-03-01 16:52:04,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696794043] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:04,727 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:04,727 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:04,727 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829848470] [2022-03-01 16:52:04,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:04,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:04,728 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:04,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:04,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:04,728 INFO L87 Difference]: Start difference. First operand 2617 states and 5023 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:07,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:07,619 INFO L93 Difference]: Finished difference Result 6628 states and 12699 transitions. [2022-03-01 16:52:07,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:52:07,620 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:07,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:07,627 INFO L225 Difference]: With dead ends: 6628 [2022-03-01 16:52:07,627 INFO L226 Difference]: Without dead ends: 6608 [2022-03-01 16:52:07,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1973 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=892, Invalid=5588, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:52:07,628 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 1664 mSDsluCounter, 5039 mSDsCounter, 0 mSdLazyCounter, 4606 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 4864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 4606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:07,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1664 Valid, 5458 Invalid, 4864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 4606 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:52:07,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6608 states. [2022-03-01 16:52:07,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6608 to 2897. [2022-03-01 16:52:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2885 states have (on average 1.9393414211438476) internal successors, (5595), 2896 states have internal predecessors, (5595), 0 states have call successors, (0), 0 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 16:52:07,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 5595 transitions. [2022-03-01 16:52:07,676 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 5595 transitions. Word has length 133 [2022-03-01 16:52:07,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:07,676 INFO L470 AbstractCegarLoop]: Abstraction has 2897 states and 5595 transitions. [2022-03-01 16:52:07,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 5595 transitions. [2022-03-01 16:52:07,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:07,678 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:07,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:07,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-01 16:52:07,678 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:07,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:07,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1848654127, now seen corresponding path program 18 times [2022-03-01 16:52:07,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:07,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015437172] [2022-03-01 16:52:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:07,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:07,965 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 16:52:07,965 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:07,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015437172] [2022-03-01 16:52:07,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015437172] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:07,965 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:07,965 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:52:07,965 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204734940] [2022-03-01 16:52:07,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:07,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 16:52:07,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:07,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 16:52:07,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:52:07,966 INFO L87 Difference]: Start difference. First operand 2897 states and 5595 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:10,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:10,688 INFO L93 Difference]: Finished difference Result 5670 states and 10926 transitions. [2022-03-01 16:52:10,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-03-01 16:52:10,688 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:10,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:10,695 INFO L225 Difference]: With dead ends: 5670 [2022-03-01 16:52:10,695 INFO L226 Difference]: Without dead ends: 5670 [2022-03-01 16:52:10,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3404 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1127, Invalid=8973, Unknown=0, NotChecked=0, Total=10100 [2022-03-01 16:52:10,696 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 1401 mSDsluCounter, 5012 mSDsCounter, 0 mSdLazyCounter, 4329 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1401 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 4456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 4329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:10,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1401 Valid, 5458 Invalid, 4456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 4329 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:52:10,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5670 states. [2022-03-01 16:52:10,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5670 to 2899. [2022-03-01 16:52:10,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2887 states have (on average 1.9379979217180465) internal successors, (5595), 2898 states have internal predecessors, (5595), 0 states have call successors, (0), 0 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 16:52:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 5595 transitions. [2022-03-01 16:52:10,728 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 5595 transitions. Word has length 133 [2022-03-01 16:52:10,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:10,728 INFO L470 AbstractCegarLoop]: Abstraction has 2899 states and 5595 transitions. [2022-03-01 16:52:10,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:10,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 5595 transitions. [2022-03-01 16:52:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:10,729 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:10,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:10,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-01 16:52:10,730 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:10,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:10,730 INFO L85 PathProgramCache]: Analyzing trace with hash 95529068, now seen corresponding path program 11 times [2022-03-01 16:52:10,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:10,730 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972297001] [2022-03-01 16:52:10,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:10,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:10,977 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 16:52:10,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:10,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972297001] [2022-03-01 16:52:10,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972297001] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:10,978 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:10,978 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:10,978 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791091231] [2022-03-01 16:52:10,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:10,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:10,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:10,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:10,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:10,979 INFO L87 Difference]: Start difference. First operand 2899 states and 5595 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:13,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:13,718 INFO L93 Difference]: Finished difference Result 7314 states and 14010 transitions. [2022-03-01 16:52:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-01 16:52:13,718 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:13,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:13,727 INFO L225 Difference]: With dead ends: 7314 [2022-03-01 16:52:13,727 INFO L226 Difference]: Without dead ends: 7314 [2022-03-01 16:52:13,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2204 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1003, Invalid=6137, Unknown=0, NotChecked=0, Total=7140 [2022-03-01 16:52:13,727 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 1830 mSDsluCounter, 4491 mSDsCounter, 0 mSdLazyCounter, 4044 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1830 SdHoareTripleChecker+Valid, 4960 SdHoareTripleChecker+Invalid, 4335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 4044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:13,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1830 Valid, 4960 Invalid, 4335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 4044 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:52:13,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7314 states. [2022-03-01 16:52:13,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7314 to 2901. [2022-03-01 16:52:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2889 states have (on average 1.9380408445829007) internal successors, (5599), 2900 states have internal predecessors, (5599), 0 states have call successors, (0), 0 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 16:52:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 5599 transitions. [2022-03-01 16:52:13,763 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 5599 transitions. Word has length 133 [2022-03-01 16:52:13,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:13,764 INFO L470 AbstractCegarLoop]: Abstraction has 2901 states and 5599 transitions. [2022-03-01 16:52:13,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:13,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 5599 transitions. [2022-03-01 16:52:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:13,765 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:13,765 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:13,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-01 16:52:13,765 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:13,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:13,766 INFO L85 PathProgramCache]: Analyzing trace with hash 478249456, now seen corresponding path program 12 times [2022-03-01 16:52:13,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:13,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443950485] [2022-03-01 16:52:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:13,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:14,005 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 16:52:14,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:14,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443950485] [2022-03-01 16:52:14,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443950485] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:14,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:14,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:14,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735299455] [2022-03-01 16:52:14,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:14,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:14,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:14,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:14,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:14,007 INFO L87 Difference]: Start difference. First operand 2901 states and 5599 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:17,093 INFO L93 Difference]: Finished difference Result 7453 states and 14288 transitions. [2022-03-01 16:52:17,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-03-01 16:52:17,093 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:17,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:17,102 INFO L225 Difference]: With dead ends: 7453 [2022-03-01 16:52:17,102 INFO L226 Difference]: Without dead ends: 7453 [2022-03-01 16:52:17,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2340 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1033, Invalid=6449, Unknown=0, NotChecked=0, Total=7482 [2022-03-01 16:52:17,102 INFO L933 BasicCegarLoop]: 488 mSDtfsCounter, 1799 mSDsluCounter, 5153 mSDsCounter, 0 mSdLazyCounter, 4876 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 5638 SdHoareTripleChecker+Invalid, 5184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 4876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:17,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1799 Valid, 5638 Invalid, 5184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 4876 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:52:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7453 states. [2022-03-01 16:52:17,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7453 to 2899. [2022-03-01 16:52:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2887 states have (on average 1.9379979217180465) internal successors, (5595), 2898 states have internal predecessors, (5595), 0 states have call successors, (0), 0 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 16:52:17,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 5595 transitions. [2022-03-01 16:52:17,153 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 5595 transitions. Word has length 133 [2022-03-01 16:52:17,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:17,153 INFO L470 AbstractCegarLoop]: Abstraction has 2899 states and 5595 transitions. [2022-03-01 16:52:17,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:17,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 5595 transitions. [2022-03-01 16:52:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:17,154 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:17,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:17,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-01 16:52:17,154 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:17,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:17,155 INFO L85 PathProgramCache]: Analyzing trace with hash -2000142996, now seen corresponding path program 13 times [2022-03-01 16:52:17,155 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:17,155 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586768114] [2022-03-01 16:52:17,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:17,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:17,397 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 16:52:17,397 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:17,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586768114] [2022-03-01 16:52:17,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586768114] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:17,398 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:17,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:17,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455392067] [2022-03-01 16:52:17,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:17,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:17,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:17,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:17,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:17,399 INFO L87 Difference]: Start difference. First operand 2899 states and 5595 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:20,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:20,509 INFO L93 Difference]: Finished difference Result 6148 states and 11812 transitions. [2022-03-01 16:52:20,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-03-01 16:52:20,509 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:20,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:20,514 INFO L225 Difference]: With dead ends: 6148 [2022-03-01 16:52:20,514 INFO L226 Difference]: Without dead ends: 6128 [2022-03-01 16:52:20,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2417 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1132, Invalid=6700, Unknown=0, NotChecked=0, Total=7832 [2022-03-01 16:52:20,515 INFO L933 BasicCegarLoop]: 454 mSDtfsCounter, 1479 mSDsluCounter, 5121 mSDsCounter, 0 mSdLazyCounter, 4843 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 5571 SdHoareTripleChecker+Invalid, 5121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 4843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:20,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1479 Valid, 5571 Invalid, 5121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 4843 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:52:20,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6128 states. [2022-03-01 16:52:20,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6128 to 3200. [2022-03-01 16:52:20,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3200 states, 3188 states have (on average 1.9523212045169385) internal successors, (6224), 3199 states have internal predecessors, (6224), 0 states have call successors, (0), 0 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 16:52:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 6224 transitions. [2022-03-01 16:52:20,551 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 6224 transitions. Word has length 133 [2022-03-01 16:52:20,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:20,552 INFO L470 AbstractCegarLoop]: Abstraction has 3200 states and 6224 transitions. [2022-03-01 16:52:20,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 6224 transitions. [2022-03-01 16:52:20,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:20,554 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:20,554 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:20,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-01 16:52:20,554 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:20,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:20,554 INFO L85 PathProgramCache]: Analyzing trace with hash 46033870, now seen corresponding path program 14 times [2022-03-01 16:52:20,554 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:20,554 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340124114] [2022-03-01 16:52:20,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:20,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:20,806 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 16:52:20,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:20,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340124114] [2022-03-01 16:52:20,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340124114] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:20,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:20,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:20,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047574433] [2022-03-01 16:52:20,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:20,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:20,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:20,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:20,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:20,808 INFO L87 Difference]: Start difference. First operand 3200 states and 6224 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:23,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:23,964 INFO L93 Difference]: Finished difference Result 5812 states and 11145 transitions. [2022-03-01 16:52:23,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-03-01 16:52:23,965 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:23,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:23,971 INFO L225 Difference]: With dead ends: 5812 [2022-03-01 16:52:23,971 INFO L226 Difference]: Without dead ends: 5812 [2022-03-01 16:52:23,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2220 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1053, Invalid=6257, Unknown=0, NotChecked=0, Total=7310 [2022-03-01 16:52:23,972 INFO L933 BasicCegarLoop]: 457 mSDtfsCounter, 1531 mSDsluCounter, 5121 mSDsCounter, 0 mSdLazyCounter, 5149 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 5574 SdHoareTripleChecker+Invalid, 5459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 5149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:23,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1531 Valid, 5574 Invalid, 5459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 5149 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:52:23,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2022-03-01 16:52:23,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 3174. [2022-03-01 16:52:24,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3174 states, 3162 states have (on average 1.9519291587602783) internal successors, (6172), 3173 states have internal predecessors, (6172), 0 states have call successors, (0), 0 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 16:52:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 6172 transitions. [2022-03-01 16:52:24,004 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 6172 transitions. Word has length 133 [2022-03-01 16:52:24,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:24,004 INFO L470 AbstractCegarLoop]: Abstraction has 3174 states and 6172 transitions. [2022-03-01 16:52:24,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 6172 transitions. [2022-03-01 16:52:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:24,006 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:24,006 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:24,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-01 16:52:24,006 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:24,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:24,006 INFO L85 PathProgramCache]: Analyzing trace with hash -209318331, now seen corresponding path program 19 times [2022-03-01 16:52:24,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:24,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488414484] [2022-03-01 16:52:24,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:24,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:24,449 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 16:52:24,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:24,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488414484] [2022-03-01 16:52:24,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488414484] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:24,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:24,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-01 16:52:24,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586297787] [2022-03-01 16:52:24,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:24,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:52:24,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:24,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:52:24,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:52:24,450 INFO L87 Difference]: Start difference. First operand 3174 states and 6172 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:26,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:26,197 INFO L93 Difference]: Finished difference Result 4349 states and 8506 transitions. [2022-03-01 16:52:26,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:52:26,197 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:26,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:26,202 INFO L225 Difference]: With dead ends: 4349 [2022-03-01 16:52:26,202 INFO L226 Difference]: Without dead ends: 4349 [2022-03-01 16:52:26,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=560, Invalid=3100, Unknown=0, NotChecked=0, Total=3660 [2022-03-01 16:52:26,202 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 927 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 2327 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 2875 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:26,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [927 Valid, 2875 Invalid, 2442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2327 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:52:26,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-03-01 16:52:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 3272. [2022-03-01 16:52:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3272 states, 3260 states have (on average 1.9533742331288344) internal successors, (6368), 3271 states have internal predecessors, (6368), 0 states have call successors, (0), 0 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 16:52:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 3272 states and 6368 transitions. [2022-03-01 16:52:26,232 INFO L78 Accepts]: Start accepts. Automaton has 3272 states and 6368 transitions. Word has length 133 [2022-03-01 16:52:26,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:26,232 INFO L470 AbstractCegarLoop]: Abstraction has 3272 states and 6368 transitions. [2022-03-01 16:52:26,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 6368 transitions. [2022-03-01 16:52:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:26,234 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:26,234 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:26,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-01 16:52:26,234 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:26,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:26,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1474995721, now seen corresponding path program 20 times [2022-03-01 16:52:26,235 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:26,235 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230859872] [2022-03-01 16:52:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:26,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:26,565 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 16:52:26,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:26,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230859872] [2022-03-01 16:52:26,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230859872] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:26,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:26,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:52:26,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342119620] [2022-03-01 16:52:26,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:26,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:52:26,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:26,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:52:26,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:52:26,566 INFO L87 Difference]: Start difference. First operand 3272 states and 6368 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:28,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:28,236 INFO L93 Difference]: Finished difference Result 4393 states and 8592 transitions. [2022-03-01 16:52:28,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:52:28,236 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:28,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:28,241 INFO L225 Difference]: With dead ends: 4393 [2022-03-01 16:52:28,241 INFO L226 Difference]: Without dead ends: 4393 [2022-03-01 16:52:28,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 814 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=559, Invalid=2863, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 16:52:28,242 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 1055 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 3045 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:28,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1055 Valid, 3045 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 2243 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:52:28,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2022-03-01 16:52:28,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 3283. [2022-03-01 16:52:28,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 3271 states have (on average 1.9535310302659736) internal successors, (6390), 3282 states have internal predecessors, (6390), 0 states have call successors, (0), 0 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 16:52:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 6390 transitions. [2022-03-01 16:52:28,274 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 6390 transitions. Word has length 133 [2022-03-01 16:52:28,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:28,274 INFO L470 AbstractCegarLoop]: Abstraction has 3283 states and 6390 transitions. [2022-03-01 16:52:28,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 6390 transitions. [2022-03-01 16:52:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:28,275 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:28,275 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:28,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-01 16:52:28,276 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:28,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:28,276 INFO L85 PathProgramCache]: Analyzing trace with hash 568107235, now seen corresponding path program 21 times [2022-03-01 16:52:28,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:28,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566567193] [2022-03-01 16:52:28,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:28,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:28,623 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 16:52:28,623 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:28,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566567193] [2022-03-01 16:52:28,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566567193] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:28,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:28,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-01 16:52:28,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896666158] [2022-03-01 16:52:28,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:28,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:52:28,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:28,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:52:28,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:52:28,625 INFO L87 Difference]: Start difference. First operand 3283 states and 6390 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:30,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:30,534 INFO L93 Difference]: Finished difference Result 4443 states and 8690 transitions. [2022-03-01 16:52:30,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:52:30,534 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:30,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:30,539 INFO L225 Difference]: With dead ends: 4443 [2022-03-01 16:52:30,539 INFO L226 Difference]: Without dead ends: 4443 [2022-03-01 16:52:30,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=727, Invalid=4243, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 16:52:30,540 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 1254 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 2414 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:30,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1254 Valid, 2937 Invalid, 2615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 2414 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:52:30,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states. [2022-03-01 16:52:30,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 3294. [2022-03-01 16:52:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3282 states have (on average 1.9536867763558805) internal successors, (6412), 3293 states have internal predecessors, (6412), 0 states have call successors, (0), 0 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 16:52:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 6412 transitions. [2022-03-01 16:52:30,571 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 6412 transitions. Word has length 133 [2022-03-01 16:52:30,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:30,571 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 6412 transitions. [2022-03-01 16:52:30,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:30,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 6412 transitions. [2022-03-01 16:52:30,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:30,573 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:30,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:30,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-01 16:52:30,573 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:30,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:30,574 INFO L85 PathProgramCache]: Analyzing trace with hash -620764079, now seen corresponding path program 22 times [2022-03-01 16:52:30,574 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:30,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829370492] [2022-03-01 16:52:30,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:30,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:30,881 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 16:52:30,882 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:30,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829370492] [2022-03-01 16:52:30,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829370492] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:30,882 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:30,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:52:30,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358457661] [2022-03-01 16:52:30,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:30,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:52:30,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:30,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:52:30,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:52:30,883 INFO L87 Difference]: Start difference. First operand 3294 states and 6412 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:33,012 INFO L93 Difference]: Finished difference Result 4638 states and 9074 transitions. [2022-03-01 16:52:33,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-01 16:52:33,012 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:33,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:33,017 INFO L225 Difference]: With dead ends: 4638 [2022-03-01 16:52:33,017 INFO L226 Difference]: Without dead ends: 4638 [2022-03-01 16:52:33,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1610 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=923, Invalid=4929, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:52:33,018 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 1099 mSDsluCounter, 3337 mSDsCounter, 0 mSdLazyCounter, 2729 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 2729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:33,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1099 Valid, 3643 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 2729 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:52:33,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4638 states. [2022-03-01 16:52:33,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4638 to 3305. [2022-03-01 16:52:33,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 3293 states have (on average 1.9538414819313696) internal successors, (6434), 3304 states have internal predecessors, (6434), 0 states have call successors, (0), 0 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 16:52:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 6434 transitions. [2022-03-01 16:52:33,048 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 6434 transitions. Word has length 133 [2022-03-01 16:52:33,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:33,048 INFO L470 AbstractCegarLoop]: Abstraction has 3305 states and 6434 transitions. [2022-03-01 16:52:33,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 6434 transitions. [2022-03-01 16:52:33,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:33,049 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:33,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:33,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-01 16:52:33,050 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:33,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:33,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1153721608, now seen corresponding path program 15 times [2022-03-01 16:52:33,050 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:33,050 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536758326] [2022-03-01 16:52:33,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:33,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:33,338 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 16:52:33,338 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:33,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536758326] [2022-03-01 16:52:33,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536758326] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:33,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:33,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:52:33,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504841958] [2022-03-01 16:52:33,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:33,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 16:52:33,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:33,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 16:52:33,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:52:33,340 INFO L87 Difference]: Start difference. First operand 3305 states and 6434 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:35,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:35,504 INFO L93 Difference]: Finished difference Result 5512 states and 10664 transitions. [2022-03-01 16:52:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-01 16:52:35,504 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:35,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:35,510 INFO L225 Difference]: With dead ends: 5512 [2022-03-01 16:52:35,510 INFO L226 Difference]: Without dead ends: 5512 [2022-03-01 16:52:35,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=490, Invalid=3416, Unknown=0, NotChecked=0, Total=3906 [2022-03-01 16:52:35,511 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1592 mSDsluCounter, 3832 mSDsCounter, 0 mSdLazyCounter, 3982 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 4147 SdHoareTripleChecker+Invalid, 4196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 3982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:35,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1592 Valid, 4147 Invalid, 4196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 3982 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:52:35,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2022-03-01 16:52:35,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 3312. [2022-03-01 16:52:35,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3300 states have (on average 1.955151515151515) internal successors, (6452), 3311 states have internal predecessors, (6452), 0 states have call successors, (0), 0 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 16:52:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 6452 transitions. [2022-03-01 16:52:35,561 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 6452 transitions. Word has length 133 [2022-03-01 16:52:35,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:35,561 INFO L470 AbstractCegarLoop]: Abstraction has 3312 states and 6452 transitions. [2022-03-01 16:52:35,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 6452 transitions. [2022-03-01 16:52:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:35,563 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:35,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:35,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-01 16:52:35,563 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:35,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:35,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1796535157, now seen corresponding path program 23 times [2022-03-01 16:52:35,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:35,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42447725] [2022-03-01 16:52:35,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:35,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:35,824 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 16:52:35,824 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:35,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42447725] [2022-03-01 16:52:35,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42447725] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:35,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:35,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:52:35,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941007841] [2022-03-01 16:52:35,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:35,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 16:52:35,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:35,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 16:52:35,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:52:35,825 INFO L87 Difference]: Start difference. First operand 3312 states and 6452 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:38,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:38,358 INFO L93 Difference]: Finished difference Result 5071 states and 9858 transitions. [2022-03-01 16:52:38,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:52:38,359 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:38,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:38,364 INFO L225 Difference]: With dead ends: 5071 [2022-03-01 16:52:38,364 INFO L226 Difference]: Without dead ends: 5071 [2022-03-01 16:52:38,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1680 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=736, Invalid=5116, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:52:38,365 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 1231 mSDsluCounter, 4725 mSDsCounter, 0 mSdLazyCounter, 4697 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 5057 SdHoareTripleChecker+Invalid, 4802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 4697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:38,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1231 Valid, 5057 Invalid, 4802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 4697 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:52:38,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2022-03-01 16:52:38,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 3236. [2022-03-01 16:52:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3236 states, 3224 states have (on average 1.9528535980148884) internal successors, (6296), 3235 states have internal predecessors, (6296), 0 states have call successors, (0), 0 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 16:52:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 3236 states and 6296 transitions. [2022-03-01 16:52:38,398 INFO L78 Accepts]: Start accepts. Automaton has 3236 states and 6296 transitions. Word has length 133 [2022-03-01 16:52:38,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:38,398 INFO L470 AbstractCegarLoop]: Abstraction has 3236 states and 6296 transitions. [2022-03-01 16:52:38,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 6296 transitions. [2022-03-01 16:52:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:38,400 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:38,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:38,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-01 16:52:38,400 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:38,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:38,401 INFO L85 PathProgramCache]: Analyzing trace with hash 434970184, now seen corresponding path program 16 times [2022-03-01 16:52:38,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:38,401 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76122687] [2022-03-01 16:52:38,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:38,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:38,644 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 16:52:38,644 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:38,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76122687] [2022-03-01 16:52:38,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76122687] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:38,644 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:38,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:38,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979516618] [2022-03-01 16:52:38,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:38,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:38,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:38,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:38,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:38,645 INFO L87 Difference]: Start difference. First operand 3236 states and 6296 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:40,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:40,868 INFO L93 Difference]: Finished difference Result 7150 states and 13799 transitions. [2022-03-01 16:52:40,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-01 16:52:40,868 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:40,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:40,876 INFO L225 Difference]: With dead ends: 7150 [2022-03-01 16:52:40,876 INFO L226 Difference]: Without dead ends: 7150 [2022-03-01 16:52:40,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=541, Invalid=3491, Unknown=0, NotChecked=0, Total=4032 [2022-03-01 16:52:40,877 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 1507 mSDsluCounter, 4400 mSDsCounter, 0 mSdLazyCounter, 3882 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 4796 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 3882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:40,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1507 Valid, 4796 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 3882 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:52:40,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7150 states. [2022-03-01 16:52:40,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7150 to 3316. [2022-03-01 16:52:40,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 3304 states have (on average 1.9552058111380146) internal successors, (6460), 3315 states have internal predecessors, (6460), 0 states have call successors, (0), 0 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 16:52:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 6460 transitions. [2022-03-01 16:52:40,918 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 6460 transitions. Word has length 133 [2022-03-01 16:52:40,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:40,918 INFO L470 AbstractCegarLoop]: Abstraction has 3316 states and 6460 transitions. [2022-03-01 16:52:40,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 6460 transitions. [2022-03-01 16:52:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:40,920 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:40,920 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:40,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-01 16:52:40,920 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:40,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:40,921 INFO L85 PathProgramCache]: Analyzing trace with hash -696496437, now seen corresponding path program 24 times [2022-03-01 16:52:40,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:40,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138342733] [2022-03-01 16:52:40,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:40,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:41,256 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 16:52:41,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:41,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138342733] [2022-03-01 16:52:41,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138342733] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:41,256 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:41,256 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:52:41,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719489419] [2022-03-01 16:52:41,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:41,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 16:52:41,257 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:41,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 16:52:41,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:52:41,257 INFO L87 Difference]: Start difference. First operand 3316 states and 6460 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:44,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:44,240 INFO L93 Difference]: Finished difference Result 6277 states and 12187 transitions. [2022-03-01 16:52:44,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-03-01 16:52:44,241 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:44,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:44,248 INFO L225 Difference]: With dead ends: 6277 [2022-03-01 16:52:44,248 INFO L226 Difference]: Without dead ends: 6277 [2022-03-01 16:52:44,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2728 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1034, Invalid=7522, Unknown=0, NotChecked=0, Total=8556 [2022-03-01 16:52:44,248 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 1238 mSDsluCounter, 5938 mSDsCounter, 0 mSdLazyCounter, 5238 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 6367 SdHoareTripleChecker+Invalid, 5342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 5238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:44,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1238 Valid, 6367 Invalid, 5342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 5238 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:52:44,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6277 states. [2022-03-01 16:52:44,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6277 to 3274. [2022-03-01 16:52:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3274 states, 3262 states have (on average 1.95340282035561) internal successors, (6372), 3273 states have internal predecessors, (6372), 0 states have call successors, (0), 0 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 16:52:44,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 6372 transitions. [2022-03-01 16:52:44,288 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 6372 transitions. Word has length 133 [2022-03-01 16:52:44,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:44,288 INFO L470 AbstractCegarLoop]: Abstraction has 3274 states and 6372 transitions. [2022-03-01 16:52:44,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 6372 transitions. [2022-03-01 16:52:44,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:44,290 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:44,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:44,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-01 16:52:44,290 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:44,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:44,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1845345800, now seen corresponding path program 17 times [2022-03-01 16:52:44,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:44,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794559188] [2022-03-01 16:52:44,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:44,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:44,567 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 16:52:44,568 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:44,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794559188] [2022-03-01 16:52:44,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794559188] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:44,568 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:44,568 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:44,568 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863011650] [2022-03-01 16:52:44,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:44,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:44,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:44,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:44,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:44,569 INFO L87 Difference]: Start difference. First operand 3274 states and 6372 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:46,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:46,990 INFO L93 Difference]: Finished difference Result 6418 states and 12404 transitions. [2022-03-01 16:52:46,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 16:52:46,991 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:46,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:46,997 INFO L225 Difference]: With dead ends: 6418 [2022-03-01 16:52:46,997 INFO L226 Difference]: Without dead ends: 6418 [2022-03-01 16:52:46,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 994 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=546, Invalid=3360, Unknown=0, NotChecked=0, Total=3906 [2022-03-01 16:52:46,998 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 1364 mSDsluCounter, 4895 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 5311 SdHoareTripleChecker+Invalid, 4681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:46,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1364 Valid, 5311 Invalid, 4681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 4496 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:52:47,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6418 states. [2022-03-01 16:52:47,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6418 to 3270. [2022-03-01 16:52:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3270 states, 3258 states have (on average 1.9533456108041742) internal successors, (6364), 3269 states have internal predecessors, (6364), 0 states have call successors, (0), 0 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 16:52:47,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 3270 states and 6364 transitions. [2022-03-01 16:52:47,038 INFO L78 Accepts]: Start accepts. Automaton has 3270 states and 6364 transitions. Word has length 133 [2022-03-01 16:52:47,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:47,039 INFO L470 AbstractCegarLoop]: Abstraction has 3270 states and 6364 transitions. [2022-03-01 16:52:47,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:47,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 6364 transitions. [2022-03-01 16:52:47,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:47,040 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:47,041 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:47,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-01 16:52:47,041 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:47,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:47,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2066901108, now seen corresponding path program 18 times [2022-03-01 16:52:47,041 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:47,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452563609] [2022-03-01 16:52:47,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:47,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:47,332 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 16:52:47,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:47,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452563609] [2022-03-01 16:52:47,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452563609] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:47,333 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:47,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:47,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864384457] [2022-03-01 16:52:47,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:47,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:47,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:47,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:47,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:47,334 INFO L87 Difference]: Start difference. First operand 3270 states and 6364 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:49,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:49,620 INFO L93 Difference]: Finished difference Result 6382 states and 12332 transitions. [2022-03-01 16:52:49,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-01 16:52:49,620 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:49,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:49,626 INFO L225 Difference]: With dead ends: 6382 [2022-03-01 16:52:49,626 INFO L226 Difference]: Without dead ends: 6382 [2022-03-01 16:52:49,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=568, Invalid=3592, Unknown=0, NotChecked=0, Total=4160 [2022-03-01 16:52:49,627 INFO L933 BasicCegarLoop]: 438 mSDtfsCounter, 1616 mSDsluCounter, 4325 mSDsCounter, 0 mSdLazyCounter, 4005 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 4760 SdHoareTripleChecker+Invalid, 4255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 4005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:49,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1616 Valid, 4760 Invalid, 4255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 4005 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:52:49,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6382 states. [2022-03-01 16:52:49,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6382 to 3244. [2022-03-01 16:52:49,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3244 states, 3232 states have (on average 1.952970297029703) internal successors, (6312), 3243 states have internal predecessors, (6312), 0 states have call successors, (0), 0 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 16:52:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 3244 states and 6312 transitions. [2022-03-01 16:52:49,664 INFO L78 Accepts]: Start accepts. Automaton has 3244 states and 6312 transitions. Word has length 133 [2022-03-01 16:52:49,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:49,664 INFO L470 AbstractCegarLoop]: Abstraction has 3244 states and 6312 transitions. [2022-03-01 16:52:49,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 6312 transitions. [2022-03-01 16:52:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:49,666 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:49,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:49,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-01 16:52:49,667 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:49,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:49,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1778504952, now seen corresponding path program 19 times [2022-03-01 16:52:49,667 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:49,667 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677967654] [2022-03-01 16:52:49,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:49,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:49,898 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 16:52:49,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:49,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677967654] [2022-03-01 16:52:49,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677967654] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:49,898 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:49,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:49,898 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885290820] [2022-03-01 16:52:49,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:49,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:49,898 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:49,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:49,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:49,899 INFO L87 Difference]: Start difference. First operand 3244 states and 6312 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:52,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:52,473 INFO L93 Difference]: Finished difference Result 7292 states and 14068 transitions. [2022-03-01 16:52:52,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:52:52,473 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:52,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:52,482 INFO L225 Difference]: With dead ends: 7292 [2022-03-01 16:52:52,482 INFO L226 Difference]: Without dead ends: 7272 [2022-03-01 16:52:52,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1465 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=687, Invalid=4425, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:52:52,483 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 1508 mSDsluCounter, 4956 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 5376 SdHoareTripleChecker+Invalid, 4624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 4407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:52,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1508 Valid, 5376 Invalid, 4624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 4407 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:52:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7272 states. [2022-03-01 16:52:52,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7272 to 3340. [2022-03-01 16:52:52,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3340 states, 3328 states have (on average 1.9555288461538463) internal successors, (6508), 3339 states have internal predecessors, (6508), 0 states have call successors, (0), 0 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 16:52:52,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 3340 states and 6508 transitions. [2022-03-01 16:52:52,546 INFO L78 Accepts]: Start accepts. Automaton has 3340 states and 6508 transitions. Word has length 133 [2022-03-01 16:52:52,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:52,547 INFO L470 AbstractCegarLoop]: Abstraction has 3340 states and 6508 transitions. [2022-03-01 16:52:52,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 6508 transitions. [2022-03-01 16:52:52,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:52,548 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:52,548 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:52,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-01 16:52:52,549 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:52,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:52,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1384995723, now seen corresponding path program 25 times [2022-03-01 16:52:52,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:52,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100532164] [2022-03-01 16:52:52,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:52,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:52,809 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 16:52:52,809 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:52,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100532164] [2022-03-01 16:52:52,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100532164] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:52,809 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:52,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:52:52,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72019674] [2022-03-01 16:52:52,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:52,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 16:52:52,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:52,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 16:52:52,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:52:52,810 INFO L87 Difference]: Start difference. First operand 3340 states and 6508 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:55,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:55,884 INFO L93 Difference]: Finished difference Result 6379 states and 12385 transitions. [2022-03-01 16:52:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-01 16:52:55,884 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:55,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:55,891 INFO L225 Difference]: With dead ends: 6379 [2022-03-01 16:52:55,891 INFO L226 Difference]: Without dead ends: 6379 [2022-03-01 16:52:55,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3225 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1128, Invalid=8574, Unknown=0, NotChecked=0, Total=9702 [2022-03-01 16:52:55,893 INFO L933 BasicCegarLoop]: 445 mSDtfsCounter, 1444 mSDsluCounter, 5788 mSDsCounter, 0 mSdLazyCounter, 5422 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 6229 SdHoareTripleChecker+Invalid, 5526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 5422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:55,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1444 Valid, 6229 Invalid, 5526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 5422 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:52:55,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6379 states. [2022-03-01 16:52:55,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6379 to 3310. [2022-03-01 16:52:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3310 states, 3298 states have (on average 1.9539114614918132) internal successors, (6444), 3309 states have internal predecessors, (6444), 0 states have call successors, (0), 0 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 16:52:55,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 6444 transitions. [2022-03-01 16:52:55,936 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 6444 transitions. Word has length 133 [2022-03-01 16:52:55,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:55,936 INFO L470 AbstractCegarLoop]: Abstraction has 3310 states and 6444 transitions. [2022-03-01 16:52:55,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:55,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 6444 transitions. [2022-03-01 16:52:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:55,938 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:55,938 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:55,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-01 16:52:55,938 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:55,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:55,938 INFO L85 PathProgramCache]: Analyzing trace with hash -368129336, now seen corresponding path program 20 times [2022-03-01 16:52:55,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:55,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386125888] [2022-03-01 16:52:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:55,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:56,194 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 16:52:56,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:56,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386125888] [2022-03-01 16:52:56,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386125888] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:56,194 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:56,194 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:56,194 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967639820] [2022-03-01 16:52:56,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:56,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:56,194 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:56,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:56,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:56,195 INFO L87 Difference]: Start difference. First operand 3310 states and 6444 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:59,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:59,113 INFO L93 Difference]: Finished difference Result 7978 states and 15379 transitions. [2022-03-01 16:52:59,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-01 16:52:59,114 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:52:59,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:59,123 INFO L225 Difference]: With dead ends: 7978 [2022-03-01 16:52:59,123 INFO L226 Difference]: Without dead ends: 7978 [2022-03-01 16:52:59,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1552 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=750, Invalid=4652, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:52:59,124 INFO L933 BasicCegarLoop]: 471 mSDtfsCounter, 1456 mSDsluCounter, 5621 mSDsCounter, 0 mSdLazyCounter, 5183 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1456 SdHoareTripleChecker+Valid, 6088 SdHoareTripleChecker+Invalid, 5420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 5183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:59,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1456 Valid, 6088 Invalid, 5420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 5183 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:52:59,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2022-03-01 16:52:59,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 3312. [2022-03-01 16:52:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3300 states have (on average 1.9539393939393939) internal successors, (6448), 3311 states have internal predecessors, (6448), 0 states have call successors, (0), 0 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 16:52:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 6448 transitions. [2022-03-01 16:52:59,172 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 6448 transitions. Word has length 133 [2022-03-01 16:52:59,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:59,173 INFO L470 AbstractCegarLoop]: Abstraction has 3312 states and 6448 transitions. [2022-03-01 16:52:59,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:52:59,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 6448 transitions. [2022-03-01 16:52:59,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:52:59,174 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:59,174 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:59,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-01 16:52:59,174 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:52:59,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:59,174 INFO L85 PathProgramCache]: Analyzing trace with hash 14591052, now seen corresponding path program 21 times [2022-03-01 16:52:59,175 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:59,175 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402367465] [2022-03-01 16:52:59,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:59,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:59,405 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 16:52:59,405 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:59,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402367465] [2022-03-01 16:52:59,405 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402367465] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:59,405 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:59,405 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:52:59,405 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29358200] [2022-03-01 16:52:59,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:59,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:52:59,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:59,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:52:59,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:59,406 INFO L87 Difference]: Start difference. First operand 3312 states and 6448 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:02,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:02,367 INFO L93 Difference]: Finished difference Result 8117 states and 15657 transitions. [2022-03-01 16:53:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:53:02,371 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:02,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:02,380 INFO L225 Difference]: With dead ends: 8117 [2022-03-01 16:53:02,380 INFO L226 Difference]: Without dead ends: 8117 [2022-03-01 16:53:02,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1666 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=779, Invalid=4921, Unknown=0, NotChecked=0, Total=5700 [2022-03-01 16:53:02,381 INFO L933 BasicCegarLoop]: 487 mSDtfsCounter, 1650 mSDsluCounter, 5428 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 5911 SdHoareTripleChecker+Invalid, 5400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:02,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1650 Valid, 5911 Invalid, 5400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:53:02,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8117 states. [2022-03-01 16:53:02,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8117 to 3302. [2022-03-01 16:53:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3302 states, 3290 states have (on average 1.9537993920972645) internal successors, (6428), 3301 states have internal predecessors, (6428), 0 states have call successors, (0), 0 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 16:53:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 3302 states and 6428 transitions. [2022-03-01 16:53:02,423 INFO L78 Accepts]: Start accepts. Automaton has 3302 states and 6428 transitions. Word has length 133 [2022-03-01 16:53:02,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:02,423 INFO L470 AbstractCegarLoop]: Abstraction has 3302 states and 6428 transitions. [2022-03-01 16:53:02,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3302 states and 6428 transitions. [2022-03-01 16:53:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:02,424 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:02,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:02,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-01 16:53:02,425 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:02,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:02,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1831165896, now seen corresponding path program 22 times [2022-03-01 16:53:02,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:02,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109192327] [2022-03-01 16:53:02,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:02,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:02,660 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 16:53:02,660 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:02,660 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109192327] [2022-03-01 16:53:02,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109192327] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:02,660 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:02,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:02,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943653248] [2022-03-01 16:53:02,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:02,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:02,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:02,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:02,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:02,661 INFO L87 Difference]: Start difference. First operand 3302 states and 6428 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:05,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:05,459 INFO L93 Difference]: Finished difference Result 6812 states and 13181 transitions. [2022-03-01 16:53:05,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 16:53:05,460 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:05,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:05,467 INFO L225 Difference]: With dead ends: 6812 [2022-03-01 16:53:05,467 INFO L226 Difference]: Without dead ends: 6792 [2022-03-01 16:53:05,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1734 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=860, Invalid=5146, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:53:05,467 INFO L933 BasicCegarLoop]: 449 mSDtfsCounter, 1544 mSDsluCounter, 4941 mSDsCounter, 0 mSdLazyCounter, 4668 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 5387 SdHoareTripleChecker+Invalid, 4938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 4668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:05,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1544 Valid, 5387 Invalid, 4938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 4668 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:53:05,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6792 states. [2022-03-01 16:53:05,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6792 to 3250. [2022-03-01 16:53:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 3238 states have (on average 1.9530574428659666) internal successors, (6324), 3249 states have internal predecessors, (6324), 0 states have call successors, (0), 0 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 16:53:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 6324 transitions. [2022-03-01 16:53:05,500 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 6324 transitions. Word has length 133 [2022-03-01 16:53:05,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:05,500 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 6324 transitions. [2022-03-01 16:53:05,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 6324 transitions. [2022-03-01 16:53:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:05,502 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:05,502 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:05,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-01 16:53:05,502 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:05,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:05,502 INFO L85 PathProgramCache]: Analyzing trace with hash -417624534, now seen corresponding path program 23 times [2022-03-01 16:53:05,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:05,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246011560] [2022-03-01 16:53:05,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:05,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:05,762 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 16:53:05,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:05,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246011560] [2022-03-01 16:53:05,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246011560] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:05,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:05,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:05,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572186001] [2022-03-01 16:53:05,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:05,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:05,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:05,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:05,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:05,763 INFO L87 Difference]: Start difference. First operand 3250 states and 6324 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:08,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:08,414 INFO L93 Difference]: Finished difference Result 6476 states and 12514 transitions. [2022-03-01 16:53:08,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:53:08,414 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:08,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:08,422 INFO L225 Difference]: With dead ends: 6476 [2022-03-01 16:53:08,422 INFO L226 Difference]: Without dead ends: 6476 [2022-03-01 16:53:08,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1679 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=825, Invalid=5027, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:53:08,423 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 1605 mSDsluCounter, 4518 mSDsCounter, 0 mSdLazyCounter, 4387 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 4967 SdHoareTripleChecker+Invalid, 4690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 4387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:08,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1605 Valid, 4967 Invalid, 4690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 4387 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:53:08,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6476 states. [2022-03-01 16:53:08,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6476 to 3180. [2022-03-01 16:53:08,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3180 states, 3168 states have (on average 1.952020202020202) internal successors, (6184), 3179 states have internal predecessors, (6184), 0 states have call successors, (0), 0 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 16:53:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 3180 states and 6184 transitions. [2022-03-01 16:53:08,460 INFO L78 Accepts]: Start accepts. Automaton has 3180 states and 6184 transitions. Word has length 133 [2022-03-01 16:53:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:08,460 INFO L470 AbstractCegarLoop]: Abstraction has 3180 states and 6184 transitions. [2022-03-01 16:53:08,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 3180 states and 6184 transitions. [2022-03-01 16:53:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:08,462 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:08,462 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:08,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-01 16:53:08,462 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:08,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:08,462 INFO L85 PathProgramCache]: Analyzing trace with hash -277087572, now seen corresponding path program 24 times [2022-03-01 16:53:08,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:08,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932941045] [2022-03-01 16:53:08,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:08,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:08,711 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 16:53:08,711 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:08,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932941045] [2022-03-01 16:53:08,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932941045] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:08,711 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:08,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:08,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266140659] [2022-03-01 16:53:08,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:08,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:08,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:08,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:08,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:08,712 INFO L87 Difference]: Start difference. First operand 3180 states and 6184 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:10,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:10,826 INFO L93 Difference]: Finished difference Result 5360 states and 10354 transitions. [2022-03-01 16:53:10,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-01 16:53:10,826 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:10,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:10,831 INFO L225 Difference]: With dead ends: 5360 [2022-03-01 16:53:10,831 INFO L226 Difference]: Without dead ends: 5340 [2022-03-01 16:53:10,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=689, Invalid=4141, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:53:10,832 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 1648 mSDsluCounter, 3421 mSDsCounter, 0 mSdLazyCounter, 3251 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 3508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 3251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:10,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1648 Valid, 3713 Invalid, 3508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 3251 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:53:10,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5340 states. [2022-03-01 16:53:10,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5340 to 3280. [2022-03-01 16:53:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3280 states, 3268 states have (on average 1.9547123623011016) internal successors, (6388), 3279 states have internal predecessors, (6388), 0 states have call successors, (0), 0 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 16:53:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 3280 states and 6388 transitions. [2022-03-01 16:53:10,866 INFO L78 Accepts]: Start accepts. Automaton has 3280 states and 6388 transitions. Word has length 133 [2022-03-01 16:53:10,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:10,866 INFO L470 AbstractCegarLoop]: Abstraction has 3280 states and 6388 transitions. [2022-03-01 16:53:10,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 6388 transitions. [2022-03-01 16:53:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:10,868 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:10,868 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:10,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-01 16:53:10,868 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:10,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:10,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1408554193, now seen corresponding path program 26 times [2022-03-01 16:53:10,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:10,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62106056] [2022-03-01 16:53:10,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:10,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:11,085 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 16:53:11,085 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:11,085 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62106056] [2022-03-01 16:53:11,085 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62106056] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:11,085 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:11,085 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:11,085 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066262161] [2022-03-01 16:53:11,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:11,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:11,086 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:11,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:11,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:11,086 INFO L87 Difference]: Start difference. First operand 3280 states and 6388 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:12,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:12,625 INFO L93 Difference]: Finished difference Result 4778 states and 9280 transitions. [2022-03-01 16:53:12,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:53:12,625 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:12,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:12,630 INFO L225 Difference]: With dead ends: 4778 [2022-03-01 16:53:12,630 INFO L226 Difference]: Without dead ends: 4778 [2022-03-01 16:53:12,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=688, Invalid=3868, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:53:12,631 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1448 mSDsluCounter, 3069 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 3369 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:12,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1448 Valid, 3369 Invalid, 2442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:53:12,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2022-03-01 16:53:12,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 3253. [2022-03-01 16:53:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3253 states, 3241 states have (on average 1.95310089478556) internal successors, (6330), 3252 states have internal predecessors, (6330), 0 states have call successors, (0), 0 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 16:53:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 3253 states and 6330 transitions. [2022-03-01 16:53:12,664 INFO L78 Accepts]: Start accepts. Automaton has 3253 states and 6330 transitions. Word has length 133 [2022-03-01 16:53:12,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:12,664 INFO L470 AbstractCegarLoop]: Abstraction has 3253 states and 6330 transitions. [2022-03-01 16:53:12,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3253 states and 6330 transitions. [2022-03-01 16:53:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:12,665 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:12,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:12,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-01 16:53:12,666 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:12,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:12,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1133288044, now seen corresponding path program 25 times [2022-03-01 16:53:12,666 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:12,666 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346033029] [2022-03-01 16:53:12,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:12,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:12,983 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 16:53:12,983 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:12,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346033029] [2022-03-01 16:53:12,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346033029] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:12,983 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:12,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:12,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16320482] [2022-03-01 16:53:12,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:12,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:12,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:12,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:12,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:12,984 INFO L87 Difference]: Start difference. First operand 3253 states and 6330 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:15,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:15,906 INFO L93 Difference]: Finished difference Result 6046 states and 11665 transitions. [2022-03-01 16:53:15,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:53:15,907 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:15,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:15,913 INFO L225 Difference]: With dead ends: 6046 [2022-03-01 16:53:15,913 INFO L226 Difference]: Without dead ends: 6046 [2022-03-01 16:53:15,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1441 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=750, Invalid=4362, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:53:15,913 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1588 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 3866 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 4139 SdHoareTripleChecker+Invalid, 4096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 3866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:15,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1588 Valid, 4139 Invalid, 4096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 3866 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:53:15,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6046 states. [2022-03-01 16:53:15,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6046 to 3255. [2022-03-01 16:53:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3255 states, 3243 states have (on average 1.9531298180696886) internal successors, (6334), 3254 states have internal predecessors, (6334), 0 states have call successors, (0), 0 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 16:53:15,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 6334 transitions. [2022-03-01 16:53:15,952 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 6334 transitions. Word has length 133 [2022-03-01 16:53:15,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:15,952 INFO L470 AbstractCegarLoop]: Abstraction has 3255 states and 6334 transitions. [2022-03-01 16:53:15,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 6334 transitions. [2022-03-01 16:53:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:15,953 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:15,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:15,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-01 16:53:15,954 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:15,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:15,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1516008432, now seen corresponding path program 26 times [2022-03-01 16:53:15,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:15,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492805213] [2022-03-01 16:53:15,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:15,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:16,222 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 16:53:16,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:16,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492805213] [2022-03-01 16:53:16,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492805213] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:16,222 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:16,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:16,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948252674] [2022-03-01 16:53:16,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:16,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:16,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:16,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:16,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:16,224 INFO L87 Difference]: Start difference. First operand 3255 states and 6334 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:18,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:18,805 INFO L93 Difference]: Finished difference Result 6185 states and 11943 transitions. [2022-03-01 16:53:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:53:18,805 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:18,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:18,813 INFO L225 Difference]: With dead ends: 6185 [2022-03-01 16:53:18,813 INFO L226 Difference]: Without dead ends: 6185 [2022-03-01 16:53:18,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1552 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=777, Invalid=4625, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:53:18,813 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 1413 mSDsluCounter, 4115 mSDsCounter, 0 mSdLazyCounter, 4238 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 4463 SdHoareTripleChecker+Invalid, 4481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 4238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:18,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1413 Valid, 4463 Invalid, 4481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 4238 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:53:18,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6185 states. [2022-03-01 16:53:18,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6185 to 3245. [2022-03-01 16:53:18,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3245 states, 3233 states have (on average 1.9529848437983297) internal successors, (6314), 3244 states have internal predecessors, (6314), 0 states have call successors, (0), 0 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 16:53:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 3245 states and 6314 transitions. [2022-03-01 16:53:18,851 INFO L78 Accepts]: Start accepts. Automaton has 3245 states and 6314 transitions. Word has length 133 [2022-03-01 16:53:18,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:18,851 INFO L470 AbstractCegarLoop]: Abstraction has 3245 states and 6314 transitions. [2022-03-01 16:53:18,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:18,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3245 states and 6314 transitions. [2022-03-01 16:53:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:18,852 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:18,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:18,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-01 16:53:18,853 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:18,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:18,853 INFO L85 PathProgramCache]: Analyzing trace with hash -962384020, now seen corresponding path program 27 times [2022-03-01 16:53:18,853 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:18,853 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561749733] [2022-03-01 16:53:18,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:18,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:19,092 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 16:53:19,093 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:19,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561749733] [2022-03-01 16:53:19,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561749733] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:19,093 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:19,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:19,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640551309] [2022-03-01 16:53:19,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:19,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:19,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:19,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:19,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:19,094 INFO L87 Difference]: Start difference. First operand 3245 states and 6314 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:21,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:21,470 INFO L93 Difference]: Finished difference Result 6124 states and 11815 transitions. [2022-03-01 16:53:21,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 16:53:21,470 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:21,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:21,477 INFO L225 Difference]: With dead ends: 6124 [2022-03-01 16:53:21,477 INFO L226 Difference]: Without dead ends: 6124 [2022-03-01 16:53:21,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1727 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=909, Invalid=5097, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:53:21,477 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 1571 mSDsluCounter, 3448 mSDsCounter, 0 mSdLazyCounter, 3442 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 3789 SdHoareTripleChecker+Invalid, 3754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 3442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:21,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1571 Valid, 3789 Invalid, 3754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 3442 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:53:21,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6124 states. [2022-03-01 16:53:21,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6124 to 3251. [2022-03-01 16:53:21,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 3239 states have (on average 1.953071935782649) internal successors, (6326), 3250 states have internal predecessors, (6326), 0 states have call successors, (0), 0 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 16:53:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 6326 transitions. [2022-03-01 16:53:21,511 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 6326 transitions. Word has length 133 [2022-03-01 16:53:21,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:21,511 INFO L470 AbstractCegarLoop]: Abstraction has 3251 states and 6326 transitions. [2022-03-01 16:53:21,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 6326 transitions. [2022-03-01 16:53:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:21,513 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:21,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:21,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-01 16:53:21,513 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:21,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:21,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1083792846, now seen corresponding path program 28 times [2022-03-01 16:53:21,513 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:21,513 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158648815] [2022-03-01 16:53:21,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:21,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:21,774 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 16:53:21,774 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:21,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158648815] [2022-03-01 16:53:21,774 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158648815] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:21,774 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:21,774 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:21,775 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572510592] [2022-03-01 16:53:21,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:21,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:21,775 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:21,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:21,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:21,775 INFO L87 Difference]: Start difference. First operand 3251 states and 6326 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:24,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:24,376 INFO L93 Difference]: Finished difference Result 6227 states and 12025 transitions. [2022-03-01 16:53:24,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:53:24,376 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:24,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:24,384 INFO L225 Difference]: With dead ends: 6227 [2022-03-01 16:53:24,384 INFO L226 Difference]: Without dead ends: 6227 [2022-03-01 16:53:24,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1672 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=874, Invalid=4978, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:53:24,385 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 1326 mSDsluCounter, 4100 mSDsCounter, 0 mSdLazyCounter, 4201 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1326 SdHoareTripleChecker+Valid, 4455 SdHoareTripleChecker+Invalid, 4460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 4201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:24,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1326 Valid, 4455 Invalid, 4460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 4201 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:53:24,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6227 states. [2022-03-01 16:53:24,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6227 to 3229. [2022-03-01 16:53:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 3217 states have (on average 1.9527510102580043) internal successors, (6282), 3228 states have internal predecessors, (6282), 0 states have call successors, (0), 0 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 16:53:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 6282 transitions. [2022-03-01 16:53:24,434 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 6282 transitions. Word has length 133 [2022-03-01 16:53:24,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:24,435 INFO L470 AbstractCegarLoop]: Abstraction has 3229 states and 6282 transitions. [2022-03-01 16:53:24,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 6282 transitions. [2022-03-01 16:53:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:24,436 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:24,436 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:24,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-01 16:53:24,436 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:24,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:24,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1235308072, now seen corresponding path program 29 times [2022-03-01 16:53:24,437 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:24,437 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475005287] [2022-03-01 16:53:24,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:24,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:24,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:24,679 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:24,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475005287] [2022-03-01 16:53:24,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475005287] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:24,679 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:24,680 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:24,680 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415120359] [2022-03-01 16:53:24,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:24,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:24,680 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:24,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:24,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:24,680 INFO L87 Difference]: Start difference. First operand 3229 states and 6282 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:26,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:26,628 INFO L93 Difference]: Finished difference Result 4337 states and 8382 transitions. [2022-03-01 16:53:26,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:53:26,629 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:26,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:26,633 INFO L225 Difference]: With dead ends: 4337 [2022-03-01 16:53:26,633 INFO L226 Difference]: Without dead ends: 4337 [2022-03-01 16:53:26,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1522 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=813, Invalid=4589, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:53:26,634 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 1111 mSDsluCounter, 3342 mSDsCounter, 0 mSdLazyCounter, 2649 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 3626 SdHoareTripleChecker+Invalid, 2861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 2649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:26,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1111 Valid, 3626 Invalid, 2861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 2649 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:53:26,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4337 states. [2022-03-01 16:53:26,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4337 to 3218. [2022-03-01 16:53:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3206 states have (on average 1.9525888958203368) internal successors, (6260), 3217 states have internal predecessors, (6260), 0 states have call successors, (0), 0 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 16:53:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 6260 transitions. [2022-03-01 16:53:26,662 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 6260 transitions. Word has length 133 [2022-03-01 16:53:26,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:26,663 INFO L470 AbstractCegarLoop]: Abstraction has 3218 states and 6260 transitions. [2022-03-01 16:53:26,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:26,663 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 6260 transitions. [2022-03-01 16:53:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:26,664 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:26,664 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:26,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-01 16:53:26,664 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:26,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:26,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1013482358, now seen corresponding path program 30 times [2022-03-01 16:53:26,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:26,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531857880] [2022-03-01 16:53:26,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:26,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:26,897 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:26,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531857880] [2022-03-01 16:53:26,897 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531857880] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:26,897 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:26,897 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:26,897 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062039084] [2022-03-01 16:53:26,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:26,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:26,898 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:26,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:26,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:26,898 INFO L87 Difference]: Start difference. First operand 3218 states and 6260 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:28,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:28,841 INFO L93 Difference]: Finished difference Result 4428 states and 8568 transitions. [2022-03-01 16:53:28,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:53:28,841 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:28,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:28,846 INFO L225 Difference]: With dead ends: 4428 [2022-03-01 16:53:28,846 INFO L226 Difference]: Without dead ends: 4428 [2022-03-01 16:53:28,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=780, Invalid=4476, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:53:28,847 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1057 mSDsluCounter, 3262 mSDsCounter, 0 mSdLazyCounter, 2710 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 3560 SdHoareTripleChecker+Invalid, 2946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 2710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:28,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1057 Valid, 3560 Invalid, 2946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 2710 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:53:28,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4428 states. [2022-03-01 16:53:28,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4428 to 3188. [2022-03-01 16:53:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3188 states, 3176 states have (on average 1.9521410579345089) internal successors, (6200), 3187 states have internal predecessors, (6200), 0 states have call successors, (0), 0 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 16:53:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 3188 states and 6200 transitions. [2022-03-01 16:53:28,877 INFO L78 Accepts]: Start accepts. Automaton has 3188 states and 6200 transitions. Word has length 133 [2022-03-01 16:53:28,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:28,877 INFO L470 AbstractCegarLoop]: Abstraction has 3188 states and 6200 transitions. [2022-03-01 16:53:28,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:28,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3188 states and 6200 transitions. [2022-03-01 16:53:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:28,878 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:28,878 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:28,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-01 16:53:28,878 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:28,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:28,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1071471195, now seen corresponding path program 27 times [2022-03-01 16:53:28,879 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:28,879 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926465656] [2022-03-01 16:53:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:28,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:29,260 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 16:53:29,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:29,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926465656] [2022-03-01 16:53:29,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926465656] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:29,261 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:29,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-01 16:53:29,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86968973] [2022-03-01 16:53:29,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:29,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:53:29,261 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:29,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:53:29,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:53:29,262 INFO L87 Difference]: Start difference. First operand 3188 states and 6200 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:31,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:31,114 INFO L93 Difference]: Finished difference Result 4883 states and 9516 transitions. [2022-03-01 16:53:31,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-01 16:53:31,114 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:31,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:31,119 INFO L225 Difference]: With dead ends: 4883 [2022-03-01 16:53:31,119 INFO L226 Difference]: Without dead ends: 4883 [2022-03-01 16:53:31,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=420, Invalid=2030, Unknown=0, NotChecked=0, Total=2450 [2022-03-01 16:53:31,120 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 952 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 3104 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 3190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:31,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [952 Valid, 3524 Invalid, 3190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3104 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:53:31,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4883 states. [2022-03-01 16:53:31,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4883 to 3196. [2022-03-01 16:53:31,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3196 states, 3184 states have (on average 1.9522613065326633) internal successors, (6216), 3195 states have internal predecessors, (6216), 0 states have call successors, (0), 0 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 16:53:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 6216 transitions. [2022-03-01 16:53:31,150 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 6216 transitions. Word has length 133 [2022-03-01 16:53:31,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:31,150 INFO L470 AbstractCegarLoop]: Abstraction has 3196 states and 6216 transitions. [2022-03-01 16:53:31,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 6216 transitions. [2022-03-01 16:53:31,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:31,151 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:31,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:31,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-01 16:53:31,151 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:31,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:31,152 INFO L85 PathProgramCache]: Analyzing trace with hash 612842857, now seen corresponding path program 28 times [2022-03-01 16:53:31,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:31,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017578413] [2022-03-01 16:53:31,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:31,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:31,549 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 16:53:31,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:31,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017578413] [2022-03-01 16:53:31,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017578413] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:31,550 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:31,550 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:53:31,550 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010833189] [2022-03-01 16:53:31,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:31,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:53:31,550 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:31,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:53:31,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:53:31,551 INFO L87 Difference]: Start difference. First operand 3196 states and 6216 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:33,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:33,114 INFO L93 Difference]: Finished difference Result 4927 states and 9602 transitions. [2022-03-01 16:53:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-01 16:53:33,115 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:33,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:33,121 INFO L225 Difference]: With dead ends: 4927 [2022-03-01 16:53:33,121 INFO L226 Difference]: Without dead ends: 4927 [2022-03-01 16:53:33,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2022-03-01 16:53:33,121 INFO L933 BasicCegarLoop]: 254 mSDtfsCounter, 903 mSDsluCounter, 2770 mSDsCounter, 0 mSdLazyCounter, 2344 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 3021 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 2344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:33,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 3021 Invalid, 2458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 2344 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:53:33,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4927 states. [2022-03-01 16:53:33,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4927 to 3207. [2022-03-01 16:53:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3207 states, 3195 states have (on average 1.9524256651017213) internal successors, (6238), 3206 states have internal predecessors, (6238), 0 states have call successors, (0), 0 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 16:53:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 6238 transitions. [2022-03-01 16:53:33,155 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 6238 transitions. Word has length 133 [2022-03-01 16:53:33,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:33,155 INFO L470 AbstractCegarLoop]: Abstraction has 3207 states and 6238 transitions. [2022-03-01 16:53:33,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 6238 transitions. [2022-03-01 16:53:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:33,156 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:33,156 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:33,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-01 16:53:33,156 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:33,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:33,157 INFO L85 PathProgramCache]: Analyzing trace with hash -294045629, now seen corresponding path program 29 times [2022-03-01 16:53:33,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:33,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389232102] [2022-03-01 16:53:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:33,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:33,501 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 16:53:33,501 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:33,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389232102] [2022-03-01 16:53:33,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389232102] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:33,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:33,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-01 16:53:33,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891245420] [2022-03-01 16:53:33,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:33,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:53:33,502 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:33,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:53:33,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:53:33,502 INFO L87 Difference]: Start difference. First operand 3207 states and 6238 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:35,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:35,330 INFO L93 Difference]: Finished difference Result 4977 states and 9700 transitions. [2022-03-01 16:53:35,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-01 16:53:35,331 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:35,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:35,336 INFO L225 Difference]: With dead ends: 4977 [2022-03-01 16:53:35,336 INFO L226 Difference]: Without dead ends: 4977 [2022-03-01 16:53:35,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=604, Invalid=2936, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 16:53:35,337 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 1067 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 2647 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 3205 SdHoareTripleChecker+Invalid, 2787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 2647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:35,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1067 Valid, 3205 Invalid, 2787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2647 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:53:35,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4977 states. [2022-03-01 16:53:35,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4977 to 3218. [2022-03-01 16:53:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3206 states have (on average 1.9525888958203368) internal successors, (6260), 3217 states have internal predecessors, (6260), 0 states have call successors, (0), 0 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 16:53:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 6260 transitions. [2022-03-01 16:53:35,372 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 6260 transitions. Word has length 133 [2022-03-01 16:53:35,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:35,372 INFO L470 AbstractCegarLoop]: Abstraction has 3218 states and 6260 transitions. [2022-03-01 16:53:35,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:35,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 6260 transitions. [2022-03-01 16:53:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:35,373 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:35,374 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:35,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-01 16:53:35,374 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:35,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:35,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1482916943, now seen corresponding path program 30 times [2022-03-01 16:53:35,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:35,374 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862152329] [2022-03-01 16:53:35,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:35,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:35,668 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 16:53:35,668 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:35,668 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862152329] [2022-03-01 16:53:35,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862152329] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:35,669 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:35,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:53:35,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159753782] [2022-03-01 16:53:35,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:35,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:53:35,669 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:35,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:53:35,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:53:35,670 INFO L87 Difference]: Start difference. First operand 3218 states and 6260 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:38,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:38,156 INFO L93 Difference]: Finished difference Result 5168 states and 10076 transitions. [2022-03-01 16:53:38,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:53:38,157 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:38,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:38,162 INFO L225 Difference]: With dead ends: 5168 [2022-03-01 16:53:38,162 INFO L226 Difference]: Without dead ends: 5168 [2022-03-01 16:53:38,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1125 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=897, Invalid=3795, Unknown=0, NotChecked=0, Total=4692 [2022-03-01 16:53:38,163 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 1090 mSDsluCounter, 3780 mSDsCounter, 0 mSdLazyCounter, 4007 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 4121 SdHoareTripleChecker+Invalid, 4162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 4007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:38,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1090 Valid, 4121 Invalid, 4162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 4007 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:53:38,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2022-03-01 16:53:38,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 3229. [2022-03-01 16:53:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 3217 states have (on average 1.9527510102580043) internal successors, (6282), 3228 states have internal predecessors, (6282), 0 states have call successors, (0), 0 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 16:53:38,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 6282 transitions. [2022-03-01 16:53:38,198 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 6282 transitions. Word has length 133 [2022-03-01 16:53:38,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:38,199 INFO L470 AbstractCegarLoop]: Abstraction has 3229 states and 6282 transitions. [2022-03-01 16:53:38,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:38,199 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 6282 transitions. [2022-03-01 16:53:38,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:38,200 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:38,200 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:38,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-01 16:53:38,200 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:38,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:38,201 INFO L85 PathProgramCache]: Analyzing trace with hash 291568744, now seen corresponding path program 31 times [2022-03-01 16:53:38,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:38,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746190261] [2022-03-01 16:53:38,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:38,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:38,419 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 16:53:38,419 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:38,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746190261] [2022-03-01 16:53:38,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746190261] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:38,419 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:38,419 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:38,419 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394907295] [2022-03-01 16:53:38,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:38,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:38,420 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:38,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:38,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:38,420 INFO L87 Difference]: Start difference. First operand 3229 states and 6282 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:40,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:40,713 INFO L93 Difference]: Finished difference Result 6243 states and 12064 transitions. [2022-03-01 16:53:40,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-01 16:53:40,713 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:40,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:40,721 INFO L225 Difference]: With dead ends: 6243 [2022-03-01 16:53:40,721 INFO L226 Difference]: Without dead ends: 6243 [2022-03-01 16:53:40,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=440, Invalid=2110, Unknown=0, NotChecked=0, Total=2550 [2022-03-01 16:53:40,721 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 1369 mSDsluCounter, 4222 mSDsCounter, 0 mSdLazyCounter, 4446 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 4552 SdHoareTripleChecker+Invalid, 4647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 4446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:40,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1369 Valid, 4552 Invalid, 4647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 4446 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:53:40,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6243 states. [2022-03-01 16:53:40,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6243 to 3194. [2022-03-01 16:53:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3182 states have (on average 1.9534883720930232) internal successors, (6216), 3193 states have internal predecessors, (6216), 0 states have call successors, (0), 0 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 16:53:40,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 6216 transitions. [2022-03-01 16:53:40,762 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 6216 transitions. Word has length 133 [2022-03-01 16:53:40,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:40,763 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 6216 transitions. [2022-03-01 16:53:40,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 6216 transitions. [2022-03-01 16:53:40,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:40,764 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:40,764 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:40,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-01 16:53:40,764 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:40,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:40,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1636279275, now seen corresponding path program 31 times [2022-03-01 16:53:40,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:40,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635777409] [2022-03-01 16:53:40,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:40,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:41,031 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 16:53:41,032 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:41,032 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635777409] [2022-03-01 16:53:41,032 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635777409] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:41,032 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:41,032 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:41,032 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654845079] [2022-03-01 16:53:41,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:41,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:41,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:41,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:41,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:41,033 INFO L87 Difference]: Start difference. First operand 3194 states and 6216 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:43,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:43,553 INFO L93 Difference]: Finished difference Result 5601 states and 10860 transitions. [2022-03-01 16:53:43,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:53:43,553 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:43,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:43,560 INFO L225 Difference]: With dead ends: 5601 [2022-03-01 16:53:43,560 INFO L226 Difference]: Without dead ends: 5601 [2022-03-01 16:53:43,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=808, Invalid=3884, Unknown=0, NotChecked=0, Total=4692 [2022-03-01 16:53:43,560 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1013 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 4889 SdHoareTripleChecker+Invalid, 4812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:43,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1013 Valid, 4889 Invalid, 4812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:53:43,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5601 states. [2022-03-01 16:53:43,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 3118. [2022-03-01 16:53:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 3106 states have (on average 1.9510624597553123) internal successors, (6060), 3117 states have internal predecessors, (6060), 0 states have call successors, (0), 0 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 16:53:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 6060 transitions. [2022-03-01 16:53:43,598 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 6060 transitions. Word has length 133 [2022-03-01 16:53:43,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:43,598 INFO L470 AbstractCegarLoop]: Abstraction has 3118 states and 6060 transitions. [2022-03-01 16:53:43,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:43,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 6060 transitions. [2022-03-01 16:53:43,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:43,599 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:43,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:43,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-01 16:53:43,600 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:43,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:43,600 INFO L85 PathProgramCache]: Analyzing trace with hash -427182680, now seen corresponding path program 32 times [2022-03-01 16:53:43,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:43,600 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430661572] [2022-03-01 16:53:43,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:43,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:43,861 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 16:53:43,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:43,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430661572] [2022-03-01 16:53:43,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430661572] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:43,862 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:43,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:43,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987456872] [2022-03-01 16:53:43,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:43,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:43,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:43,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:43,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:43,863 INFO L87 Difference]: Start difference. First operand 3118 states and 6060 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:46,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:46,204 INFO L93 Difference]: Finished difference Result 7881 states and 15199 transitions. [2022-03-01 16:53:46,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:53:46,205 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:46,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:46,215 INFO L225 Difference]: With dead ends: 7881 [2022-03-01 16:53:46,215 INFO L226 Difference]: Without dead ends: 7881 [2022-03-01 16:53:46,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 881 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=612, Invalid=2928, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 16:53:46,216 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 1725 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 3867 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 4395 SdHoareTripleChecker+Invalid, 4148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 3867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:46,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 4395 Invalid, 4148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 3867 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:53:46,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7881 states. [2022-03-01 16:53:46,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7881 to 3198. [2022-03-01 16:53:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3198 states, 3186 states have (on average 1.953546767106089) internal successors, (6224), 3197 states have internal predecessors, (6224), 0 states have call successors, (0), 0 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 16:53:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 3198 states and 6224 transitions. [2022-03-01 16:53:46,288 INFO L78 Accepts]: Start accepts. Automaton has 3198 states and 6224 transitions. Word has length 133 [2022-03-01 16:53:46,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:46,288 INFO L470 AbstractCegarLoop]: Abstraction has 3198 states and 6224 transitions. [2022-03-01 16:53:46,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:46,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3198 states and 6224 transitions. [2022-03-01 16:53:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:46,290 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:46,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:46,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-01 16:53:46,290 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:46,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:46,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1558649301, now seen corresponding path program 32 times [2022-03-01 16:53:46,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:46,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578857720] [2022-03-01 16:53:46,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:46,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:46,567 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 16:53:46,567 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:46,567 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578857720] [2022-03-01 16:53:46,567 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578857720] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:46,567 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:46,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:53:46,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325263758] [2022-03-01 16:53:46,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:46,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 16:53:46,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:46,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 16:53:46,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:53:46,569 INFO L87 Difference]: Start difference. First operand 3198 states and 6224 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:50,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:50,203 INFO L93 Difference]: Finished difference Result 6807 states and 13189 transitions. [2022-03-01 16:53:50,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-01 16:53:50,203 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:50,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:50,228 INFO L225 Difference]: With dead ends: 6807 [2022-03-01 16:53:50,228 INFO L226 Difference]: Without dead ends: 6807 [2022-03-01 16:53:50,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2789 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1404, Invalid=7716, Unknown=0, NotChecked=0, Total=9120 [2022-03-01 16:53:50,229 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 1373 mSDsluCounter, 5760 mSDsCounter, 0 mSdLazyCounter, 6266 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 6201 SdHoareTripleChecker+Invalid, 6375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 6266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:50,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1373 Valid, 6201 Invalid, 6375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 6266 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-01 16:53:50,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6807 states. [2022-03-01 16:53:50,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6807 to 3156. [2022-03-01 16:53:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 3144 states have (on average 1.9516539440203562) internal successors, (6136), 3155 states have internal predecessors, (6136), 0 states have call successors, (0), 0 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 16:53:50,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 6136 transitions. [2022-03-01 16:53:50,266 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 6136 transitions. Word has length 133 [2022-03-01 16:53:50,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:50,267 INFO L470 AbstractCegarLoop]: Abstraction has 3156 states and 6136 transitions. [2022-03-01 16:53:50,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:50,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 6136 transitions. [2022-03-01 16:53:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:50,268 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:50,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:50,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-01 16:53:50,268 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:50,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:50,269 INFO L85 PathProgramCache]: Analyzing trace with hash 983192936, now seen corresponding path program 33 times [2022-03-01 16:53:50,269 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:50,269 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324700740] [2022-03-01 16:53:50,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:50,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:50,521 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 16:53:50,521 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:50,521 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324700740] [2022-03-01 16:53:50,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324700740] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:50,522 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:50,522 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:50,522 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257515874] [2022-03-01 16:53:50,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:50,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:50,522 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:50,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:50,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:50,523 INFO L87 Difference]: Start difference. First operand 3156 states and 6136 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:52,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:52,946 INFO L93 Difference]: Finished difference Result 7149 states and 13804 transitions. [2022-03-01 16:53:52,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-01 16:53:52,947 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:52,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:52,956 INFO L225 Difference]: With dead ends: 7149 [2022-03-01 16:53:52,956 INFO L226 Difference]: Without dead ends: 7149 [2022-03-01 16:53:52,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=593, Invalid=2713, Unknown=0, NotChecked=0, Total=3306 [2022-03-01 16:53:52,956 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 1458 mSDsluCounter, 4351 mSDsCounter, 0 mSdLazyCounter, 4153 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 4762 SdHoareTripleChecker+Invalid, 4452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 4153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:52,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1458 Valid, 4762 Invalid, 4452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 4153 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:53:52,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7149 states. [2022-03-01 16:53:53,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7149 to 3152. [2022-03-01 16:53:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3152 states, 3140 states have (on average 1.951592356687898) internal successors, (6128), 3151 states have internal predecessors, (6128), 0 states have call successors, (0), 0 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 16:53:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 6128 transitions. [2022-03-01 16:53:53,005 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 6128 transitions. Word has length 133 [2022-03-01 16:53:53,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:53,005 INFO L470 AbstractCegarLoop]: Abstraction has 3152 states and 6128 transitions. [2022-03-01 16:53:53,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 6128 transitions. [2022-03-01 16:53:53,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:53,007 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:53,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:53,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-01 16:53:53,007 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:53,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:53,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1365913324, now seen corresponding path program 34 times [2022-03-01 16:53:53,008 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:53,008 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042400529] [2022-03-01 16:53:53,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:53,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:53,230 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 16:53:53,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:53,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042400529] [2022-03-01 16:53:53,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042400529] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:53,230 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:53,230 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:53,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862995549] [2022-03-01 16:53:53,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:53,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:53,243 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:53,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:53,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:53,244 INFO L87 Difference]: Start difference. First operand 3152 states and 6128 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:55,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:55,881 INFO L93 Difference]: Finished difference Result 7113 states and 13732 transitions. [2022-03-01 16:53:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:53:55,881 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:55,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:55,889 INFO L225 Difference]: With dead ends: 7113 [2022-03-01 16:53:55,889 INFO L226 Difference]: Without dead ends: 7113 [2022-03-01 16:53:55,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=622, Invalid=2918, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 16:53:55,889 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 1529 mSDsluCounter, 4524 mSDsCounter, 0 mSdLazyCounter, 4683 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 4949 SdHoareTripleChecker+Invalid, 4971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 4683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:55,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1529 Valid, 4949 Invalid, 4971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 4683 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:53:55,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7113 states. [2022-03-01 16:53:55,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7113 to 3126. [2022-03-01 16:53:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3126 states, 3114 states have (on average 1.9511881824020552) internal successors, (6076), 3125 states have internal predecessors, (6076), 0 states have call successors, (0), 0 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 16:53:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 6076 transitions. [2022-03-01 16:53:55,931 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 6076 transitions. Word has length 133 [2022-03-01 16:53:55,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:55,931 INFO L470 AbstractCegarLoop]: Abstraction has 3126 states and 6076 transitions. [2022-03-01 16:53:55,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 6076 transitions. [2022-03-01 16:53:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:55,932 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:55,932 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:55,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-03-01 16:53:55,932 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:55,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:55,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1654309480, now seen corresponding path program 35 times [2022-03-01 16:53:55,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:55,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329810611] [2022-03-01 16:53:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:55,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:56,161 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 16:53:56,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:56,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329810611] [2022-03-01 16:53:56,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329810611] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:56,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:56,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:53:56,161 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791782671] [2022-03-01 16:53:56,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:56,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:53:56,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:56,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:53:56,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:56,162 INFO L87 Difference]: Start difference. First operand 3126 states and 6076 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:58,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:58,778 INFO L93 Difference]: Finished difference Result 8023 states and 15468 transitions. [2022-03-01 16:53:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-01 16:53:58,779 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:53:58,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:58,788 INFO L225 Difference]: With dead ends: 8023 [2022-03-01 16:53:58,788 INFO L226 Difference]: Without dead ends: 8003 [2022-03-01 16:53:58,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=731, Invalid=3429, Unknown=0, NotChecked=0, Total=4160 [2022-03-01 16:53:58,789 INFO L933 BasicCegarLoop]: 419 mSDtfsCounter, 1726 mSDsluCounter, 4499 mSDsCounter, 0 mSdLazyCounter, 4394 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 4913 SdHoareTripleChecker+Invalid, 4670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 4394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:58,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1726 Valid, 4913 Invalid, 4670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 4394 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:53:58,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8003 states. [2022-03-01 16:53:58,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8003 to 3222. [2022-03-01 16:53:58,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 3210 states have (on average 1.9538940809968848) internal successors, (6272), 3221 states have internal predecessors, (6272), 0 states have call successors, (0), 0 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 16:53:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 6272 transitions. [2022-03-01 16:53:58,844 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 6272 transitions. Word has length 133 [2022-03-01 16:53:58,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:58,844 INFO L470 AbstractCegarLoop]: Abstraction has 3222 states and 6272 transitions. [2022-03-01 16:53:58,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:53:58,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 6272 transitions. [2022-03-01 16:53:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:53:58,845 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:58,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:53:58,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-03-01 16:53:58,846 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:53:58,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:58,846 INFO L85 PathProgramCache]: Analyzing trace with hash 522842859, now seen corresponding path program 33 times [2022-03-01 16:53:58,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:58,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755582362] [2022-03-01 16:53:58,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:58,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:59,089 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 16:53:59,089 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:59,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755582362] [2022-03-01 16:53:59,089 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755582362] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:59,090 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:59,090 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:53:59,090 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607145941] [2022-03-01 16:53:59,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:59,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 16:53:59,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:59,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 16:53:59,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:53:59,090 INFO L87 Difference]: Start difference. First operand 3222 states and 6272 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:02,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:02,808 INFO L93 Difference]: Finished difference Result 6909 states and 13387 transitions. [2022-03-01 16:54:02,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-01 16:54:02,808 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:02,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:02,815 INFO L225 Difference]: With dead ends: 6909 [2022-03-01 16:54:02,815 INFO L226 Difference]: Without dead ends: 6909 [2022-03-01 16:54:02,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3115 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1511, Invalid=8389, Unknown=0, NotChecked=0, Total=9900 [2022-03-01 16:54:02,816 INFO L933 BasicCegarLoop]: 458 mSDtfsCounter, 1548 mSDsluCounter, 5816 mSDsCounter, 0 mSdLazyCounter, 6330 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 6269 SdHoareTripleChecker+Invalid, 6456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 6330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:02,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1548 Valid, 6269 Invalid, 6456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 6330 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-03-01 16:54:02,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6909 states. [2022-03-01 16:54:02,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6909 to 3192. [2022-03-01 16:54:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3192 states, 3180 states have (on average 1.9522012578616352) internal successors, (6208), 3191 states have internal predecessors, (6208), 0 states have call successors, (0), 0 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 16:54:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 6208 transitions. [2022-03-01 16:54:02,858 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 6208 transitions. Word has length 133 [2022-03-01 16:54:02,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:02,858 INFO L470 AbstractCegarLoop]: Abstraction has 3192 states and 6208 transitions. [2022-03-01 16:54:02,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 6208 transitions. [2022-03-01 16:54:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:02,860 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:02,860 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:02,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-03-01 16:54:02,860 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:02,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:02,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1230282200, now seen corresponding path program 36 times [2022-03-01 16:54:02,860 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:02,860 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438988845] [2022-03-01 16:54:02,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:02,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:03,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:03,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438988845] [2022-03-01 16:54:03,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438988845] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:03,104 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:03,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:03,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472828242] [2022-03-01 16:54:03,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:03,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:03,104 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:03,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:03,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:03,104 INFO L87 Difference]: Start difference. First operand 3192 states and 6208 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:05,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:05,956 INFO L93 Difference]: Finished difference Result 8709 states and 16779 transitions. [2022-03-01 16:54:05,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:54:05,957 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:05,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:05,968 INFO L225 Difference]: With dead ends: 8709 [2022-03-01 16:54:05,968 INFO L226 Difference]: Without dead ends: 8709 [2022-03-01 16:54:05,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1229 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=831, Invalid=3725, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:54:05,969 INFO L933 BasicCegarLoop]: 462 mSDtfsCounter, 1816 mSDsluCounter, 4683 mSDsCounter, 0 mSdLazyCounter, 4516 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 5141 SdHoareTripleChecker+Invalid, 4945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 4516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:05,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1816 Valid, 5141 Invalid, 4945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 4516 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:54:05,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8709 states. [2022-03-01 16:54:06,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8709 to 3194. [2022-03-01 16:54:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3182 states have (on average 1.9522313010685104) internal successors, (6212), 3193 states have internal predecessors, (6212), 0 states have call successors, (0), 0 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 16:54:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 6212 transitions. [2022-03-01 16:54:06,030 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 6212 transitions. Word has length 133 [2022-03-01 16:54:06,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:06,030 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 6212 transitions. [2022-03-01 16:54:06,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 6212 transitions. [2022-03-01 16:54:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:06,032 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:06,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:06,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-03-01 16:54:06,032 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:06,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:06,032 INFO L85 PathProgramCache]: Analyzing trace with hash -847561812, now seen corresponding path program 37 times [2022-03-01 16:54:06,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:06,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681994318] [2022-03-01 16:54:06,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:06,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:06,268 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 16:54:06,268 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:06,268 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681994318] [2022-03-01 16:54:06,268 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681994318] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:06,269 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:06,269 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:06,269 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416821075] [2022-03-01 16:54:06,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:06,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:06,269 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:06,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:06,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:06,269 INFO L87 Difference]: Start difference. First operand 3194 states and 6212 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:09,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:09,196 INFO L93 Difference]: Finished difference Result 8848 states and 17057 transitions. [2022-03-01 16:54:09,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:54:09,196 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:09,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:09,208 INFO L225 Difference]: With dead ends: 8848 [2022-03-01 16:54:09,208 INFO L226 Difference]: Without dead ends: 8848 [2022-03-01 16:54:09,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1334 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=869, Invalid=3961, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:54:09,208 INFO L933 BasicCegarLoop]: 477 mSDtfsCounter, 1934 mSDsluCounter, 4767 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 5240 SdHoareTripleChecker+Invalid, 5148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:09,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1934 Valid, 5240 Invalid, 5148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:54:09,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8848 states. [2022-03-01 16:54:09,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8848 to 3184. [2022-03-01 16:54:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 3172 states have (on average 1.9520807061790668) internal successors, (6192), 3183 states have internal predecessors, (6192), 0 states have call successors, (0), 0 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 16:54:09,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 6192 transitions. [2022-03-01 16:54:09,278 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 6192 transitions. Word has length 133 [2022-03-01 16:54:09,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:09,279 INFO L470 AbstractCegarLoop]: Abstraction has 3184 states and 6192 transitions. [2022-03-01 16:54:09,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:09,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 6192 transitions. [2022-03-01 16:54:09,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:09,280 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:09,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:09,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-03-01 16:54:09,280 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:09,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:09,280 INFO L85 PathProgramCache]: Analyzing trace with hash 969013032, now seen corresponding path program 38 times [2022-03-01 16:54:09,281 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:09,281 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338336653] [2022-03-01 16:54:09,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:09,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:09,519 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 16:54:09,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:09,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338336653] [2022-03-01 16:54:09,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338336653] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:09,519 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:09,520 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:09,520 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151775756] [2022-03-01 16:54:09,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:09,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:09,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:09,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:09,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:09,521 INFO L87 Difference]: Start difference. First operand 3184 states and 6192 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:12,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:12,055 INFO L93 Difference]: Finished difference Result 7543 states and 14581 transitions. [2022-03-01 16:54:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:54:12,056 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:12,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:12,064 INFO L225 Difference]: With dead ends: 7543 [2022-03-01 16:54:12,064 INFO L226 Difference]: Without dead ends: 7523 [2022-03-01 16:54:12,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=844, Invalid=3712, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:54:12,064 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 1652 mSDsluCounter, 3986 mSDsCounter, 0 mSdLazyCounter, 3824 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 4434 SdHoareTripleChecker+Invalid, 4190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 3824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:12,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1652 Valid, 4434 Invalid, 4190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 3824 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:54:12,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7523 states. [2022-03-01 16:54:12,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7523 to 3132. [2022-03-01 16:54:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3132 states, 3120 states have (on average 1.9512820512820512) internal successors, (6088), 3131 states have internal predecessors, (6088), 0 states have call successors, (0), 0 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 16:54:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 6088 transitions. [2022-03-01 16:54:12,105 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 6088 transitions. Word has length 133 [2022-03-01 16:54:12,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:12,105 INFO L470 AbstractCegarLoop]: Abstraction has 3132 states and 6088 transitions. [2022-03-01 16:54:12,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 6088 transitions. [2022-03-01 16:54:12,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:12,106 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:12,106 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:12,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-03-01 16:54:12,106 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:12,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:12,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1279777398, now seen corresponding path program 39 times [2022-03-01 16:54:12,107 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:12,107 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786432925] [2022-03-01 16:54:12,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:12,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:12,362 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 16:54:12,362 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:12,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786432925] [2022-03-01 16:54:12,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786432925] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:12,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:12,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:12,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741111743] [2022-03-01 16:54:12,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:12,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:12,363 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:12,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:12,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:12,363 INFO L87 Difference]: Start difference. First operand 3132 states and 6088 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:15,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:15,174 INFO L93 Difference]: Finished difference Result 7207 states and 13914 transitions. [2022-03-01 16:54:15,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-01 16:54:15,175 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:15,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:15,183 INFO L225 Difference]: With dead ends: 7207 [2022-03-01 16:54:15,184 INFO L226 Difference]: Without dead ends: 7207 [2022-03-01 16:54:15,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=777, Invalid=3513, Unknown=0, NotChecked=0, Total=4290 [2022-03-01 16:54:15,184 INFO L933 BasicCegarLoop]: 453 mSDtfsCounter, 1520 mSDsluCounter, 4696 mSDsCounter, 0 mSdLazyCounter, 4785 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 5144 SdHoareTripleChecker+Invalid, 5184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 4785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:15,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1520 Valid, 5144 Invalid, 5184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 4785 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:54:15,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7207 states. [2022-03-01 16:54:15,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7207 to 3062. [2022-03-01 16:54:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3050 states have (on average 1.9501639344262296) internal successors, (5948), 3061 states have internal predecessors, (5948), 0 states have call successors, (0), 0 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 16:54:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 5948 transitions. [2022-03-01 16:54:15,227 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 5948 transitions. Word has length 133 [2022-03-01 16:54:15,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:15,227 INFO L470 AbstractCegarLoop]: Abstraction has 3062 states and 5948 transitions. [2022-03-01 16:54:15,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 5948 transitions. [2022-03-01 16:54:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:15,228 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:15,229 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:15,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-03-01 16:54:15,229 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:15,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:15,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1139240436, now seen corresponding path program 40 times [2022-03-01 16:54:15,229 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:15,229 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933281012] [2022-03-01 16:54:15,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:15,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:15,456 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 16:54:15,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:15,456 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933281012] [2022-03-01 16:54:15,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933281012] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:15,456 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:15,456 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:15,456 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60872651] [2022-03-01 16:54:15,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:15,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:15,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:15,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:15,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:15,457 INFO L87 Difference]: Start difference. First operand 3062 states and 5948 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:17,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:17,922 INFO L93 Difference]: Finished difference Result 5538 states and 10650 transitions. [2022-03-01 16:54:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:54:17,923 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:17,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:17,929 INFO L225 Difference]: With dead ends: 5538 [2022-03-01 16:54:17,929 INFO L226 Difference]: Without dead ends: 5518 [2022-03-01 16:54:17,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=733, Invalid=3823, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:54:17,929 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 1783 mSDsluCounter, 3916 mSDsCounter, 0 mSdLazyCounter, 4082 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 4223 SdHoareTripleChecker+Invalid, 4374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 4082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:17,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1783 Valid, 4223 Invalid, 4374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 4082 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:54:17,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5518 states. [2022-03-01 16:54:17,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5518 to 3022. [2022-03-01 16:54:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3022 states, 3010 states have (on average 1.9495016611295681) internal successors, (5868), 3021 states have internal predecessors, (5868), 0 states have call successors, (0), 0 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 16:54:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 3022 states and 5868 transitions. [2022-03-01 16:54:17,974 INFO L78 Accepts]: Start accepts. Automaton has 3022 states and 5868 transitions. Word has length 133 [2022-03-01 16:54:17,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:17,974 INFO L470 AbstractCegarLoop]: Abstraction has 3022 states and 5868 transitions. [2022-03-01 16:54:17,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 5868 transitions. [2022-03-01 16:54:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:17,975 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:17,975 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:17,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-03-01 16:54:17,975 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:17,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:17,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2024260239, now seen corresponding path program 34 times [2022-03-01 16:54:17,975 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:17,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375134832] [2022-03-01 16:54:17,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:17,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:18,228 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 16:54:18,229 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:18,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375134832] [2022-03-01 16:54:18,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375134832] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:18,229 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:18,229 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-01 16:54:18,229 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083689407] [2022-03-01 16:54:18,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:18,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 16:54:18,229 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:18,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 16:54:18,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:54:18,230 INFO L87 Difference]: Start difference. First operand 3022 states and 5868 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:20,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:20,824 INFO L93 Difference]: Finished difference Result 4783 states and 9230 transitions. [2022-03-01 16:54:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-01 16:54:20,824 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:20,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:20,830 INFO L225 Difference]: With dead ends: 4783 [2022-03-01 16:54:20,831 INFO L226 Difference]: Without dead ends: 4783 [2022-03-01 16:54:20,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2006 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=981, Invalid=5661, Unknown=0, NotChecked=0, Total=6642 [2022-03-01 16:54:20,831 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 1727 mSDsluCounter, 4235 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 4556 SdHoareTripleChecker+Invalid, 4602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:20,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1727 Valid, 4556 Invalid, 4602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:54:20,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2022-03-01 16:54:20,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 2881. [2022-03-01 16:54:20,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 2871 states have (on average 1.9474050853361198) internal successors, (5591), 2880 states have internal predecessors, (5591), 0 states have call successors, (0), 0 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 16:54:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 5591 transitions. [2022-03-01 16:54:20,868 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 5591 transitions. Word has length 133 [2022-03-01 16:54:20,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:20,868 INFO L470 AbstractCegarLoop]: Abstraction has 2881 states and 5591 transitions. [2022-03-01 16:54:20,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 5591 transitions. [2022-03-01 16:54:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:20,870 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:20,870 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:20,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-03-01 16:54:20,870 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:20,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:20,870 INFO L85 PathProgramCache]: Analyzing trace with hash 271135180, now seen corresponding path program 41 times [2022-03-01 16:54:20,870 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:20,870 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682942277] [2022-03-01 16:54:20,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:20,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:21,219 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 16:54:21,219 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:21,219 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682942277] [2022-03-01 16:54:21,219 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682942277] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:21,220 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:21,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:21,220 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720116904] [2022-03-01 16:54:21,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:21,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:21,220 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:21,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:21,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:21,220 INFO L87 Difference]: Start difference. First operand 2881 states and 5591 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:24,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:24,512 INFO L93 Difference]: Finished difference Result 6224 states and 11961 transitions. [2022-03-01 16:54:24,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:54:24,512 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:24,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:24,519 INFO L225 Difference]: With dead ends: 6224 [2022-03-01 16:54:24,520 INFO L226 Difference]: Without dead ends: 6224 [2022-03-01 16:54:24,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1356 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=830, Invalid=4140, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 16:54:24,520 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 1965 mSDsluCounter, 3710 mSDsCounter, 0 mSdLazyCounter, 3914 mSolverCounterSat, 387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 4066 SdHoareTripleChecker+Invalid, 4301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 3914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:24,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1965 Valid, 4066 Invalid, 4301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [387 Valid, 3914 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:54:24,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6224 states. [2022-03-01 16:54:24,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6224 to 2883. [2022-03-01 16:54:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2883 states, 2873 states have (on average 1.9474416985729204) internal successors, (5595), 2882 states have internal predecessors, (5595), 0 states have call successors, (0), 0 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 16:54:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 5595 transitions. [2022-03-01 16:54:24,552 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 5595 transitions. Word has length 133 [2022-03-01 16:54:24,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:24,553 INFO L470 AbstractCegarLoop]: Abstraction has 2883 states and 5595 transitions. [2022-03-01 16:54:24,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:24,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 5595 transitions. [2022-03-01 16:54:24,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:24,554 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:24,554 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:24,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-03-01 16:54:24,554 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:24,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:24,554 INFO L85 PathProgramCache]: Analyzing trace with hash 653855568, now seen corresponding path program 42 times [2022-03-01 16:54:24,554 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:24,554 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585591913] [2022-03-01 16:54:24,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:24,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:24,785 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 16:54:24,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:24,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585591913] [2022-03-01 16:54:24,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585591913] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:24,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:24,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:24,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702122239] [2022-03-01 16:54:24,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:24,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:24,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:24,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:24,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:24,787 INFO L87 Difference]: Start difference. First operand 2883 states and 5595 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:27,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:27,566 INFO L93 Difference]: Finished difference Result 6363 states and 12239 transitions. [2022-03-01 16:54:27,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:54:27,566 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:27,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:27,573 INFO L225 Difference]: With dead ends: 6363 [2022-03-01 16:54:27,574 INFO L226 Difference]: Without dead ends: 6363 [2022-03-01 16:54:27,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=864, Invalid=4392, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:54:27,574 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 1837 mSDsluCounter, 4326 mSDsCounter, 0 mSdLazyCounter, 4582 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 4697 SdHoareTripleChecker+Invalid, 4939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 4582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:27,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1837 Valid, 4697 Invalid, 4939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 4582 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:54:27,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6363 states. [2022-03-01 16:54:27,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6363 to 2873. [2022-03-01 16:54:27,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2873 states, 2863 states have (on average 1.9472581208522528) internal successors, (5575), 2872 states have internal predecessors, (5575), 0 states have call successors, (0), 0 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 16:54:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2873 states and 5575 transitions. [2022-03-01 16:54:27,605 INFO L78 Accepts]: Start accepts. Automaton has 2873 states and 5575 transitions. Word has length 133 [2022-03-01 16:54:27,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:27,605 INFO L470 AbstractCegarLoop]: Abstraction has 2873 states and 5575 transitions. [2022-03-01 16:54:27,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:27,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 5575 transitions. [2022-03-01 16:54:27,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:27,606 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:27,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:27,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-03-01 16:54:27,607 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:27,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:27,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1824536884, now seen corresponding path program 43 times [2022-03-01 16:54:27,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:27,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327703336] [2022-03-01 16:54:27,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:27,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:27,876 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 16:54:27,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:27,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327703336] [2022-03-01 16:54:27,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327703336] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:27,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:27,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:27,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313117502] [2022-03-01 16:54:27,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:27,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:27,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:27,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:27,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:27,879 INFO L87 Difference]: Start difference. First operand 2873 states and 5575 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:30,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:30,563 INFO L93 Difference]: Finished difference Result 6302 states and 12111 transitions. [2022-03-01 16:54:30,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 16:54:30,564 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:30,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:30,571 INFO L225 Difference]: With dead ends: 6302 [2022-03-01 16:54:30,571 INFO L226 Difference]: Without dead ends: 6302 [2022-03-01 16:54:30,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1697 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1034, Invalid=4972, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:54:30,571 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 1952 mSDsluCounter, 3763 mSDsCounter, 0 mSdLazyCounter, 3917 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 4128 SdHoareTripleChecker+Invalid, 4325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 3917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:30,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1952 Valid, 4128 Invalid, 4325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 3917 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:54:30,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6302 states. [2022-03-01 16:54:30,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6302 to 2879. [2022-03-01 16:54:30,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2869 states have (on average 1.9473684210526316) internal successors, (5587), 2878 states have internal predecessors, (5587), 0 states have call successors, (0), 0 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 16:54:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 5587 transitions. [2022-03-01 16:54:30,607 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 5587 transitions. Word has length 133 [2022-03-01 16:54:30,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:30,607 INFO L470 AbstractCegarLoop]: Abstraction has 2879 states and 5587 transitions. [2022-03-01 16:54:30,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 5587 transitions. [2022-03-01 16:54:30,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:30,608 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:30,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:30,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-03-01 16:54:30,608 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:30,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:30,609 INFO L85 PathProgramCache]: Analyzing trace with hash 221639982, now seen corresponding path program 44 times [2022-03-01 16:54:30,609 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:30,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145143723] [2022-03-01 16:54:30,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:30,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:30,837 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 16:54:30,837 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:30,837 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145143723] [2022-03-01 16:54:30,837 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145143723] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:30,837 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:30,837 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:30,837 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044164892] [2022-03-01 16:54:30,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:30,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:30,838 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:30,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:30,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:30,838 INFO L87 Difference]: Start difference. First operand 2879 states and 5587 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:33,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:33,585 INFO L93 Difference]: Finished difference Result 6405 states and 12321 transitions. [2022-03-01 16:54:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:54:33,585 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:33,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:33,592 INFO L225 Difference]: With dead ends: 6405 [2022-03-01 16:54:33,592 INFO L226 Difference]: Without dead ends: 6405 [2022-03-01 16:54:33,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1591 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=967, Invalid=4733, Unknown=0, NotChecked=0, Total=5700 [2022-03-01 16:54:33,593 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 1863 mSDsluCounter, 3855 mSDsCounter, 0 mSdLazyCounter, 4234 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 4232 SdHoareTripleChecker+Invalid, 4612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 4234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:33,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1863 Valid, 4232 Invalid, 4612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 4234 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:54:33,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6405 states. [2022-03-01 16:54:33,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6405 to 2857. [2022-03-01 16:54:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2857 states, 2847 states have (on average 1.9469617140850017) internal successors, (5543), 2856 states have internal predecessors, (5543), 0 states have call successors, (0), 0 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 16:54:33,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 5543 transitions. [2022-03-01 16:54:33,647 INFO L78 Accepts]: Start accepts. Automaton has 2857 states and 5543 transitions. Word has length 133 [2022-03-01 16:54:33,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:33,647 INFO L470 AbstractCegarLoop]: Abstraction has 2857 states and 5543 transitions. [2022-03-01 16:54:33,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:33,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 5543 transitions. [2022-03-01 16:54:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:33,648 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:33,649 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:33,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-03-01 16:54:33,649 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:33,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:33,649 INFO L85 PathProgramCache]: Analyzing trace with hash 373155208, now seen corresponding path program 45 times [2022-03-01 16:54:33,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:33,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287634093] [2022-03-01 16:54:33,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:33,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:33,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:33,889 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:33,889 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287634093] [2022-03-01 16:54:33,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287634093] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:33,889 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:33,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:33,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324441566] [2022-03-01 16:54:33,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:33,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:33,889 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:33,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:33,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:33,890 INFO L87 Difference]: Start difference. First operand 2857 states and 5543 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:36,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:36,036 INFO L93 Difference]: Finished difference Result 4722 states and 9092 transitions. [2022-03-01 16:54:36,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:54:36,036 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:36,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:36,042 INFO L225 Difference]: With dead ends: 4722 [2022-03-01 16:54:36,042 INFO L226 Difference]: Without dead ends: 4722 [2022-03-01 16:54:36,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1413 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=879, Invalid=4377, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:54:36,042 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 1020 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 3212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:36,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1020 Valid, 3743 Invalid, 3212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 2964 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:54:36,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4722 states. [2022-03-01 16:54:36,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4722 to 2864. [2022-03-01 16:54:36,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2864 states, 2854 states have (on average 1.9470918009810791) internal successors, (5557), 2863 states have internal predecessors, (5557), 0 states have call successors, (0), 0 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 16:54:36,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2864 states and 5557 transitions. [2022-03-01 16:54:36,084 INFO L78 Accepts]: Start accepts. Automaton has 2864 states and 5557 transitions. Word has length 133 [2022-03-01 16:54:36,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:36,085 INFO L470 AbstractCegarLoop]: Abstraction has 2864 states and 5557 transitions. [2022-03-01 16:54:36,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:36,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 5557 transitions. [2022-03-01 16:54:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:36,086 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:36,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:36,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-03-01 16:54:36,087 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:36,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:36,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1875635222, now seen corresponding path program 46 times [2022-03-01 16:54:36,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:36,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640961235] [2022-03-01 16:54:36,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:36,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:36,326 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 16:54:36,326 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:36,326 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640961235] [2022-03-01 16:54:36,326 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640961235] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:36,327 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:36,327 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:36,327 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019853812] [2022-03-01 16:54:36,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:36,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:36,327 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:36,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:36,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:36,327 INFO L87 Difference]: Start difference. First operand 2864 states and 5557 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:38,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:38,446 INFO L93 Difference]: Finished difference Result 4825 states and 9302 transitions. [2022-03-01 16:54:38,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:54:38,446 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:38,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:38,452 INFO L225 Difference]: With dead ends: 4825 [2022-03-01 16:54:38,452 INFO L226 Difference]: Without dead ends: 4825 [2022-03-01 16:54:38,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1312 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=820, Invalid=4150, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 16:54:38,453 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 1272 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 2933 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 3686 SdHoareTripleChecker+Invalid, 3229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 2933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:38,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 3686 Invalid, 3229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 2933 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:54:38,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2022-03-01 16:54:38,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 2847. [2022-03-01 16:54:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2837 states have (on average 1.946774762072612) internal successors, (5523), 2846 states have internal predecessors, (5523), 0 states have call successors, (0), 0 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 16:54:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 5523 transitions. [2022-03-01 16:54:38,481 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 5523 transitions. Word has length 133 [2022-03-01 16:54:38,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:38,481 INFO L470 AbstractCegarLoop]: Abstraction has 2847 states and 5523 transitions. [2022-03-01 16:54:38,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 5523 transitions. [2022-03-01 16:54:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:38,482 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:38,482 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:38,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-03-01 16:54:38,482 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:38,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:38,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1549538778, now seen corresponding path program 47 times [2022-03-01 16:54:38,483 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:38,483 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816150320] [2022-03-01 16:54:38,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:38,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:38,743 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 16:54:38,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:38,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816150320] [2022-03-01 16:54:38,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816150320] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:38,743 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:38,743 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:38,743 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837325469] [2022-03-01 16:54:38,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:38,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:38,743 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:38,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:38,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:38,744 INFO L87 Difference]: Start difference. First operand 2847 states and 5523 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:41,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:41,058 INFO L93 Difference]: Finished difference Result 4765 states and 9175 transitions. [2022-03-01 16:54:41,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:54:41,058 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:41,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:41,063 INFO L225 Difference]: With dead ends: 4765 [2022-03-01 16:54:41,064 INFO L226 Difference]: Without dead ends: 4765 [2022-03-01 16:54:41,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=967, Invalid=4145, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:54:41,064 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1153 mSDsluCounter, 3282 mSDsCounter, 0 mSdLazyCounter, 3268 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 3670 SdHoareTripleChecker+Invalid, 3601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 3268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:41,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1153 Valid, 3670 Invalid, 3601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 3268 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:54:41,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2022-03-01 16:54:41,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 2826. [2022-03-01 16:54:41,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 2816 states have (on average 1.9463778409090908) internal successors, (5481), 2825 states have internal predecessors, (5481), 0 states have call successors, (0), 0 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 16:54:41,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 5481 transitions. [2022-03-01 16:54:41,091 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 5481 transitions. Word has length 133 [2022-03-01 16:54:41,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:41,092 INFO L470 AbstractCegarLoop]: Abstraction has 2826 states and 5481 transitions. [2022-03-01 16:54:41,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:41,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 5481 transitions. [2022-03-01 16:54:41,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-01 16:54:41,093 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:41,093 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:41,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-03-01 16:54:41,093 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:41,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:41,093 INFO L85 PathProgramCache]: Analyzing trace with hash 496638088, now seen corresponding path program 48 times [2022-03-01 16:54:41,093 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:41,093 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927850916] [2022-03-01 16:54:41,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:41,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:41,318 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 16:54:41,318 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:41,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927850916] [2022-03-01 16:54:41,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927850916] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:41,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:41,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:54:41,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10142480] [2022-03-01 16:54:41,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:41,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:54:41,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:41,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:54:41,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:41,320 INFO L87 Difference]: Start difference. First operand 2826 states and 5481 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:43,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:43,681 INFO L93 Difference]: Finished difference Result 4693 states and 9035 transitions. [2022-03-01 16:54:43,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-01 16:54:43,681 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-01 16:54:43,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:43,687 INFO L225 Difference]: With dead ends: 4693 [2022-03-01 16:54:43,687 INFO L226 Difference]: Without dead ends: 4693 [2022-03-01 16:54:43,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1231 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=903, Invalid=3927, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:54:43,688 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 1486 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 3789 SdHoareTripleChecker+Invalid, 3895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:43,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1486 Valid, 3789 Invalid, 3895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 3535 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:54:43,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2022-03-01 16:54:43,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 2628. [2022-03-01 16:54:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2628 states, 2619 states have (on average 1.9415807560137457) internal successors, (5085), 2627 states have internal predecessors, (5085), 0 states have call successors, (0), 0 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 16:54:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 5085 transitions. [2022-03-01 16:54:43,715 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 5085 transitions. Word has length 133 [2022-03-01 16:54:43,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:43,715 INFO L470 AbstractCegarLoop]: Abstraction has 2628 states and 5085 transitions. [2022-03-01 16:54:43,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 16:54:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 5085 transitions. [2022-03-01 16:54:43,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:54:43,717 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:43,717 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:43,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-03-01 16:54:43,717 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:43,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:43,717 INFO L85 PathProgramCache]: Analyzing trace with hash -471777954, now seen corresponding path program 1 times [2022-03-01 16:54:43,717 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:43,717 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638721274] [2022-03-01 16:54:43,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:43,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:44,058 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 16:54:44,058 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:44,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638721274] [2022-03-01 16:54:44,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638721274] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:44,059 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:44,059 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:54:44,059 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076556692] [2022-03-01 16:54:44,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:44,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:54:44,059 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:44,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:54:44,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:54:44,059 INFO L87 Difference]: Start difference. First operand 2628 states and 5085 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:45,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:45,948 INFO L93 Difference]: Finished difference Result 3508 states and 6819 transitions. [2022-03-01 16:54:45,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-01 16:54:45,948 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:54:45,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:45,952 INFO L225 Difference]: With dead ends: 3508 [2022-03-01 16:54:45,952 INFO L226 Difference]: Without dead ends: 3508 [2022-03-01 16:54:45,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1160 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=762, Invalid=3528, Unknown=0, NotChecked=0, Total=4290 [2022-03-01 16:54:45,952 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 1544 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 2241 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 2241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:45,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1544 Valid, 3186 Invalid, 2393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 2241 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:54:45,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2022-03-01 16:54:45,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 2759. [2022-03-01 16:54:45,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2750 states have (on average 1.9443636363636363) internal successors, (5347), 2758 states have internal predecessors, (5347), 0 states have call successors, (0), 0 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 16:54:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 5347 transitions. [2022-03-01 16:54:45,975 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 5347 transitions. Word has length 141 [2022-03-01 16:54:45,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:45,975 INFO L470 AbstractCegarLoop]: Abstraction has 2759 states and 5347 transitions. [2022-03-01 16:54:45,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:45,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 5347 transitions. [2022-03-01 16:54:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:54:45,977 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:45,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:45,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-03-01 16:54:45,977 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:45,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:45,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1971001216, now seen corresponding path program 2 times [2022-03-01 16:54:45,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:45,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916257058] [2022-03-01 16:54:45,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:45,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:46,363 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 16:54:46,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:46,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916257058] [2022-03-01 16:54:46,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916257058] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:46,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:46,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:54:46,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744989017] [2022-03-01 16:54:46,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:46,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:54:46,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:46,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:54:46,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:54:46,364 INFO L87 Difference]: Start difference. First operand 2759 states and 5347 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:48,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:48,532 INFO L93 Difference]: Finished difference Result 3550 states and 6901 transitions. [2022-03-01 16:54:48,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:54:48,532 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:54:48,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:48,536 INFO L225 Difference]: With dead ends: 3550 [2022-03-01 16:54:48,536 INFO L226 Difference]: Without dead ends: 3550 [2022-03-01 16:54:48,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=842, Invalid=3988, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:54:48,537 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 1412 mSDsluCounter, 3421 mSDsCounter, 0 mSdLazyCounter, 2713 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 3697 SdHoareTripleChecker+Invalid, 2876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 2713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:48,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1412 Valid, 3697 Invalid, 2876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 2713 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:54:48,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2022-03-01 16:54:48,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 2770. [2022-03-01 16:54:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2761 states have (on average 1.9445852951829048) internal successors, (5369), 2769 states have internal predecessors, (5369), 0 states have call successors, (0), 0 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 16:54:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 5369 transitions. [2022-03-01 16:54:48,561 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 5369 transitions. Word has length 141 [2022-03-01 16:54:48,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:48,561 INFO L470 AbstractCegarLoop]: Abstraction has 2770 states and 5369 transitions. [2022-03-01 16:54:48,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 5369 transitions. [2022-03-01 16:54:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:54:48,572 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:48,572 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:48,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-03-01 16:54:48,572 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:48,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:48,573 INFO L85 PathProgramCache]: Analyzing trace with hash 162601502, now seen corresponding path program 3 times [2022-03-01 16:54:48,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:48,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340801917] [2022-03-01 16:54:48,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:48,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:48,903 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 16:54:48,903 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:48,903 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340801917] [2022-03-01 16:54:48,903 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340801917] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:48,903 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:48,903 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:54:48,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030875329] [2022-03-01 16:54:48,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:48,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:54:48,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:48,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:54:48,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:54:48,904 INFO L87 Difference]: Start difference. First operand 2770 states and 5369 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:50,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:50,949 INFO L93 Difference]: Finished difference Result 3586 states and 6971 transitions. [2022-03-01 16:54:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:54:50,949 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:54:50,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:50,953 INFO L225 Difference]: With dead ends: 3586 [2022-03-01 16:54:50,953 INFO L226 Difference]: Without dead ends: 3586 [2022-03-01 16:54:50,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1453 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=868, Invalid=4244, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:54:50,954 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 1433 mSDsluCounter, 3082 mSDsCounter, 0 mSdLazyCounter, 2307 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 2518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 2307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:50,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1433 Valid, 3366 Invalid, 2518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 2307 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:54:50,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2022-03-01 16:54:50,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 2781. [2022-03-01 16:54:50,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 2772 states have (on average 1.9448051948051948) internal successors, (5391), 2780 states have internal predecessors, (5391), 0 states have call successors, (0), 0 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 16:54:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 5391 transitions. [2022-03-01 16:54:50,981 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 5391 transitions. Word has length 141 [2022-03-01 16:54:50,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:50,981 INFO L470 AbstractCegarLoop]: Abstraction has 2781 states and 5391 transitions. [2022-03-01 16:54:50,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 5391 transitions. [2022-03-01 16:54:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:54:50,983 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:50,983 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:50,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-03-01 16:54:50,983 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:50,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:50,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1547297472, now seen corresponding path program 4 times [2022-03-01 16:54:50,984 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:50,984 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680321747] [2022-03-01 16:54:50,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:50,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:51,352 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 16:54:51,352 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:51,352 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680321747] [2022-03-01 16:54:51,352 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680321747] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:51,353 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:51,353 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:54:51,353 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792508418] [2022-03-01 16:54:51,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:51,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:54:51,353 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:51,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:54:51,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:54:51,354 INFO L87 Difference]: Start difference. First operand 2781 states and 5391 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:53,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:53,376 INFO L93 Difference]: Finished difference Result 3628 states and 7053 transitions. [2022-03-01 16:54:53,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-01 16:54:53,377 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:54:53,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:53,382 INFO L225 Difference]: With dead ends: 3628 [2022-03-01 16:54:53,382 INFO L226 Difference]: Without dead ends: 3628 [2022-03-01 16:54:53,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1556 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=911, Invalid=4491, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:54:53,383 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1586 mSDsluCounter, 2863 mSDsCounter, 0 mSdLazyCounter, 2127 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 2127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:53,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1586 Valid, 3155 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 2127 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:54:53,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3628 states. [2022-03-01 16:54:53,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3628 to 2792. [2022-03-01 16:54:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2792 states, 2783 states have (on average 1.9450233560905497) internal successors, (5413), 2791 states have internal predecessors, (5413), 0 states have call successors, (0), 0 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 16:54:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 5413 transitions. [2022-03-01 16:54:53,424 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 5413 transitions. Word has length 141 [2022-03-01 16:54:53,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:53,424 INFO L470 AbstractCegarLoop]: Abstraction has 2792 states and 5413 transitions. [2022-03-01 16:54:53,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 5413 transitions. [2022-03-01 16:54:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:54:53,426 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:53,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:53,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-03-01 16:54:53,426 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:53,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:53,426 INFO L85 PathProgramCache]: Analyzing trace with hash -90528034, now seen corresponding path program 5 times [2022-03-01 16:54:53,427 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:53,427 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216701204] [2022-03-01 16:54:53,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:53,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:53,728 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 16:54:53,729 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:53,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216701204] [2022-03-01 16:54:53,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216701204] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:53,729 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:53,729 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:54:53,729 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329917443] [2022-03-01 16:54:53,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:53,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:54:53,729 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:53,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:54:53,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:54:53,730 INFO L87 Difference]: Start difference. First operand 2792 states and 5413 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:56,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:56,009 INFO L93 Difference]: Finished difference Result 4623 states and 8970 transitions. [2022-03-01 16:54:56,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:54:56,012 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:54:56,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:56,018 INFO L225 Difference]: With dead ends: 4623 [2022-03-01 16:54:56,018 INFO L226 Difference]: Without dead ends: 4623 [2022-03-01 16:54:56,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1614 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=936, Invalid=4614, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:54:56,018 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 1998 mSDsluCounter, 3768 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 3072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:56,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1998 Valid, 4080 Invalid, 3072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:54:56,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2022-03-01 16:54:56,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 2876. [2022-03-01 16:54:56,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 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 16:54:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-01 16:54:56,049 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-01 16:54:56,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:56,049 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-01 16:54:56,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-01 16:54:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:54:56,050 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:56,051 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:56,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-03-01 16:54:56,051 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:56,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:56,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1807168428, now seen corresponding path program 6 times [2022-03-01 16:54:56,051 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:56,051 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101835443] [2022-03-01 16:54:56,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:56,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:56,481 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 16:54:56,481 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:56,481 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101835443] [2022-03-01 16:54:56,481 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101835443] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:56,481 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:56,481 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:54:56,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616356286] [2022-03-01 16:54:56,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:56,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:54:56,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:56,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:54:56,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:54:56,482 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:58,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:58,332 INFO L93 Difference]: Finished difference Result 3187 states and 6156 transitions. [2022-03-01 16:54:58,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:54:58,332 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:54:58,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:58,335 INFO L225 Difference]: With dead ends: 3187 [2022-03-01 16:54:58,335 INFO L226 Difference]: Without dead ends: 3187 [2022-03-01 16:54:58,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1186 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=829, Invalid=3593, Unknown=0, NotChecked=0, Total=4422 [2022-03-01 16:54:58,336 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 1328 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 2149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:58,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1328 Valid, 3055 Invalid, 2149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:54:58,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3187 states. [2022-03-01 16:54:58,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3187 to 2876. [2022-03-01 16:54:58,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 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 16:54:58,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-01 16:54:58,357 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-01 16:54:58,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:58,357 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-01 16:54:58,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:54:58,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-01 16:54:58,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:54:58,358 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:58,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:58,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-03-01 16:54:58,359 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:54:58,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:58,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1713242206, now seen corresponding path program 7 times [2022-03-01 16:54:58,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:58,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263594764] [2022-03-01 16:54:58,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:58,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:58,792 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 16:54:58,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:58,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263594764] [2022-03-01 16:54:58,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263594764] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:58,792 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:58,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:54:58,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332874838] [2022-03-01 16:54:58,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:58,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:54:58,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:58,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:54:58,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:54:58,793 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:00,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:00,668 INFO L93 Difference]: Finished difference Result 3219 states and 6219 transitions. [2022-03-01 16:55:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:55:00,668 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:00,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:00,672 INFO L225 Difference]: With dead ends: 3219 [2022-03-01 16:55:00,672 INFO L226 Difference]: Without dead ends: 3219 [2022-03-01 16:55:00,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=932, Invalid=3898, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:55:00,672 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 1207 mSDsluCounter, 2657 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 2964 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:00,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1207 Valid, 2964 Invalid, 2040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:55:00,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2022-03-01 16:55:00,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 2882. [2022-03-01 16:55:00,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2882 states, 2873 states have (on average 1.9467455621301775) internal successors, (5593), 2881 states have internal predecessors, (5593), 0 states have call successors, (0), 0 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 16:55:00,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2882 states and 5593 transitions. [2022-03-01 16:55:00,695 INFO L78 Accepts]: Start accepts. Automaton has 2882 states and 5593 transitions. Word has length 141 [2022-03-01 16:55:00,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:00,696 INFO L470 AbstractCegarLoop]: Abstraction has 2882 states and 5593 transitions. [2022-03-01 16:55:00,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 5593 transitions. [2022-03-01 16:55:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:00,697 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:00,697 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:00,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-03-01 16:55:00,697 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:00,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:00,698 INFO L85 PathProgramCache]: Analyzing trace with hash -138945920, now seen corresponding path program 8 times [2022-03-01 16:55:00,698 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:00,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676659604] [2022-03-01 16:55:00,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:00,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:01,111 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 16:55:01,111 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:01,111 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676659604] [2022-03-01 16:55:01,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676659604] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:01,111 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:01,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:01,111 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650533037] [2022-03-01 16:55:01,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:01,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:01,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:01,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:01,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:01,112 INFO L87 Difference]: Start difference. First operand 2882 states and 5593 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:03,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:03,314 INFO L93 Difference]: Finished difference Result 3227 states and 6234 transitions. [2022-03-01 16:55:03,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:55:03,314 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:03,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:03,317 INFO L225 Difference]: With dead ends: 3227 [2022-03-01 16:55:03,317 INFO L226 Difference]: Without dead ends: 3227 [2022-03-01 16:55:03,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1434 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=973, Invalid=4139, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:55:03,318 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1242 mSDsluCounter, 3303 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 3618 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:03,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1242 Valid, 3618 Invalid, 2709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:55:03,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3227 states. [2022-03-01 16:55:03,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3227 to 2876. [2022-03-01 16:55:03,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 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 16:55:03,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-01 16:55:03,341 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-01 16:55:03,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:03,341 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-01 16:55:03,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:03,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-01 16:55:03,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:03,343 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:03,343 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:03,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-03-01 16:55:03,343 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:03,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:03,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1132222956, now seen corresponding path program 9 times [2022-03-01 16:55:03,343 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:03,343 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561971871] [2022-03-01 16:55:03,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:03,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:03,746 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 16:55:03,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:03,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561971871] [2022-03-01 16:55:03,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561971871] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:03,746 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:03,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:03,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205843771] [2022-03-01 16:55:03,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:03,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:03,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:03,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:03,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:03,747 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:05,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:05,566 INFO L93 Difference]: Finished difference Result 3220 states and 6222 transitions. [2022-03-01 16:55:05,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:55:05,566 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:05,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:05,570 INFO L225 Difference]: With dead ends: 3220 [2022-03-01 16:55:05,570 INFO L226 Difference]: Without dead ends: 3220 [2022-03-01 16:55:05,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=863, Invalid=3693, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:55:05,571 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 1095 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 1843 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 2912 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:05,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1095 Valid, 2912 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1843 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:55:05,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2022-03-01 16:55:05,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 2888. [2022-03-01 16:55:05,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2888 states, 2879 states have (on average 1.9468565474122959) internal successors, (5605), 2887 states have internal predecessors, (5605), 0 states have call successors, (0), 0 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 16:55:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2888 states and 5605 transitions. [2022-03-01 16:55:05,596 INFO L78 Accepts]: Start accepts. Automaton has 2888 states and 5605 transitions. Word has length 141 [2022-03-01 16:55:05,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:05,596 INFO L470 AbstractCegarLoop]: Abstraction has 2888 states and 5605 transitions. [2022-03-01 16:55:05,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:05,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 5605 transitions. [2022-03-01 16:55:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:05,598 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:05,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:05,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-03-01 16:55:05,598 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:05,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:05,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1310556214, now seen corresponding path program 10 times [2022-03-01 16:55:05,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:05,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050354141] [2022-03-01 16:55:05,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:05,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:06,000 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 16:55:06,000 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:06,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050354141] [2022-03-01 16:55:06,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050354141] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:06,000 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:06,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:06,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427337102] [2022-03-01 16:55:06,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:06,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:06,001 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:06,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:06,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:06,001 INFO L87 Difference]: Start difference. First operand 2888 states and 5605 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:08,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:08,123 INFO L93 Difference]: Finished difference Result 3254 states and 6288 transitions. [2022-03-01 16:55:08,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:55:08,123 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:08,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:08,126 INFO L225 Difference]: With dead ends: 3254 [2022-03-01 16:55:08,126 INFO L226 Difference]: Without dead ends: 3254 [2022-03-01 16:55:08,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1439 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=966, Invalid=4146, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:55:08,127 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 1206 mSDsluCounter, 3026 mSDsCounter, 0 mSdLazyCounter, 2327 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 3314 SdHoareTripleChecker+Invalid, 2510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:08,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1206 Valid, 3314 Invalid, 2510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2327 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:08,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2022-03-01 16:55:08,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 2882. [2022-03-01 16:55:08,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2882 states, 2873 states have (on average 1.9467455621301775) internal successors, (5593), 2881 states have internal predecessors, (5593), 0 states have call successors, (0), 0 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 16:55:08,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2882 states and 5593 transitions. [2022-03-01 16:55:08,151 INFO L78 Accepts]: Start accepts. Automaton has 2882 states and 5593 transitions. Word has length 141 [2022-03-01 16:55:08,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:08,151 INFO L470 AbstractCegarLoop]: Abstraction has 2882 states and 5593 transitions. [2022-03-01 16:55:08,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:08,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 5593 transitions. [2022-03-01 16:55:08,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:08,152 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:08,152 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:08,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-03-01 16:55:08,152 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:08,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:08,153 INFO L85 PathProgramCache]: Analyzing trace with hash -497843500, now seen corresponding path program 11 times [2022-03-01 16:55:08,153 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:08,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136027949] [2022-03-01 16:55:08,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:08,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:08,546 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:08,546 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136027949] [2022-03-01 16:55:08,546 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136027949] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:08,546 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:08,546 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:08,546 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719923237] [2022-03-01 16:55:08,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:08,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:08,547 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:08,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:08,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:08,547 INFO L87 Difference]: Start difference. First operand 2882 states and 5593 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:10,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:10,708 INFO L93 Difference]: Finished difference Result 3267 states and 6312 transitions. [2022-03-01 16:55:10,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:55:10,709 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:10,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:10,711 INFO L225 Difference]: With dead ends: 3267 [2022-03-01 16:55:10,711 INFO L226 Difference]: Without dead ends: 3267 [2022-03-01 16:55:10,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1430 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=943, Invalid=4169, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:55:10,712 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1102 mSDsluCounter, 3357 mSDsCounter, 0 mSdLazyCounter, 2538 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 3654 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 2538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:10,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1102 Valid, 3654 Invalid, 2720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 2538 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:10,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3267 states. [2022-03-01 16:55:10,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3267 to 2876. [2022-03-01 16:55:10,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 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 16:55:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-01 16:55:10,734 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-01 16:55:10,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:10,734 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-01 16:55:10,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-01 16:55:10,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:10,735 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:10,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:10,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-03-01 16:55:10,736 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:10,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:10,736 INFO L85 PathProgramCache]: Analyzing trace with hash -137793890, now seen corresponding path program 12 times [2022-03-01 16:55:10,736 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:10,736 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800320176] [2022-03-01 16:55:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:10,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:11,107 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 16:55:11,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:11,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800320176] [2022-03-01 16:55:11,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800320176] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:11,107 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:11,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:11,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364802690] [2022-03-01 16:55:11,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:11,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:11,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:11,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:11,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:11,108 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:12,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:12,889 INFO L93 Difference]: Finished difference Result 3206 states and 6194 transitions. [2022-03-01 16:55:12,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-01 16:55:12,889 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:12,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:12,893 INFO L225 Difference]: With dead ends: 3206 [2022-03-01 16:55:12,893 INFO L226 Difference]: Without dead ends: 3206 [2022-03-01 16:55:12,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=797, Invalid=3493, Unknown=0, NotChecked=0, Total=4290 [2022-03-01 16:55:12,893 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 1074 mSDsluCounter, 2678 mSDsCounter, 0 mSdLazyCounter, 1929 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 2942 SdHoareTripleChecker+Invalid, 2098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:12,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1074 Valid, 2942 Invalid, 2098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1929 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:55:12,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3206 states. [2022-03-01 16:55:12,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3206 to 2870. [2022-03-01 16:55:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2861 states have (on average 1.9465221950367004) internal successors, (5569), 2869 states have internal predecessors, (5569), 0 states have call successors, (0), 0 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 16:55:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 5569 transitions. [2022-03-01 16:55:12,916 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 5569 transitions. Word has length 141 [2022-03-01 16:55:12,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:12,917 INFO L470 AbstractCegarLoop]: Abstraction has 2870 states and 5569 transitions. [2022-03-01 16:55:12,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 5569 transitions. [2022-03-01 16:55:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:12,918 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:12,918 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:12,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-03-01 16:55:12,918 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:12,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:12,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1989982016, now seen corresponding path program 13 times [2022-03-01 16:55:12,919 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:12,919 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133378610] [2022-03-01 16:55:12,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:12,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:13,296 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 16:55:13,297 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:13,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133378610] [2022-03-01 16:55:13,297 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133378610] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:13,297 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:13,297 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:13,297 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307556584] [2022-03-01 16:55:13,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:13,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:13,297 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:13,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:13,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:13,298 INFO L87 Difference]: Start difference. First operand 2870 states and 5569 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:15,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:15,438 INFO L93 Difference]: Finished difference Result 3240 states and 6260 transitions. [2022-03-01 16:55:15,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:55:15,439 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:15,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:15,442 INFO L225 Difference]: With dead ends: 3240 [2022-03-01 16:55:15,442 INFO L226 Difference]: Without dead ends: 3240 [2022-03-01 16:55:15,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1338 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=888, Invalid=3942, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:55:15,442 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 1075 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 2574 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 3591 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 2574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:15,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1075 Valid, 3591 Invalid, 2754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 2574 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:15,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2022-03-01 16:55:15,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2864. [2022-03-01 16:55:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2864 states, 2855 states have (on average 1.9464098073555167) internal successors, (5557), 2863 states have internal predecessors, (5557), 0 states have call successors, (0), 0 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 16:55:15,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2864 states and 5557 transitions. [2022-03-01 16:55:15,465 INFO L78 Accepts]: Start accepts. Automaton has 2864 states and 5557 transitions. Word has length 141 [2022-03-01 16:55:15,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:15,465 INFO L470 AbstractCegarLoop]: Abstraction has 2864 states and 5557 transitions. [2022-03-01 16:55:15,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 5557 transitions. [2022-03-01 16:55:15,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:15,467 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:15,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:15,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-03-01 16:55:15,467 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:15,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:15,467 INFO L85 PathProgramCache]: Analyzing trace with hash 496585566, now seen corresponding path program 14 times [2022-03-01 16:55:15,467 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:15,467 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129331639] [2022-03-01 16:55:15,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:15,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:15,847 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 16:55:15,848 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:15,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129331639] [2022-03-01 16:55:15,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129331639] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:15,848 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:15,848 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:15,848 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927276846] [2022-03-01 16:55:15,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:15,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:15,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:15,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:15,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:15,849 INFO L87 Difference]: Start difference. First operand 2864 states and 5557 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:18,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:18,106 INFO L93 Difference]: Finished difference Result 3271 states and 6320 transitions. [2022-03-01 16:55:18,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:55:18,106 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:18,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:18,110 INFO L225 Difference]: With dead ends: 3271 [2022-03-01 16:55:18,110 INFO L226 Difference]: Without dead ends: 3271 [2022-03-01 16:55:18,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1437 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=924, Invalid=4188, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:55:18,110 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 1177 mSDsluCounter, 3462 mSDsCounter, 0 mSdLazyCounter, 2806 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 2989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:18,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1177 Valid, 3743 Invalid, 2989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2806 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:55:18,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3271 states. [2022-03-01 16:55:18,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3271 to 2858. [2022-03-01 16:55:18,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2858 states, 2849 states have (on average 1.9462969462969464) internal successors, (5545), 2857 states have internal predecessors, (5545), 0 states have call successors, (0), 0 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 16:55:18,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2858 states and 5545 transitions. [2022-03-01 16:55:18,134 INFO L78 Accepts]: Start accepts. Automaton has 2858 states and 5545 transitions. Word has length 141 [2022-03-01 16:55:18,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:18,134 INFO L470 AbstractCegarLoop]: Abstraction has 2858 states and 5545 transitions. [2022-03-01 16:55:18,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 5545 transitions. [2022-03-01 16:55:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:18,135 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:18,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:18,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-03-01 16:55:18,136 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:18,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1881281536, now seen corresponding path program 15 times [2022-03-01 16:55:18,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:18,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729452749] [2022-03-01 16:55:18,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:18,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:18,519 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 16:55:18,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:18,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729452749] [2022-03-01 16:55:18,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729452749] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:18,520 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:18,520 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:18,520 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495087592] [2022-03-01 16:55:18,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:18,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:18,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:18,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:18,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:18,521 INFO L87 Difference]: Start difference. First operand 2858 states and 5545 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:20,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:20,619 INFO L93 Difference]: Finished difference Result 3267 states and 6310 transitions. [2022-03-01 16:55:20,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:55:20,619 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:20,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:20,622 INFO L225 Difference]: With dead ends: 3267 [2022-03-01 16:55:20,623 INFO L226 Difference]: Without dead ends: 3267 [2022-03-01 16:55:20,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1428 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=917, Invalid=4195, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:55:20,623 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 1217 mSDsluCounter, 3167 mSDsCounter, 0 mSdLazyCounter, 2465 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 3456 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 2465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:20,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1217 Valid, 3456 Invalid, 2657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 2465 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:20,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3267 states. [2022-03-01 16:55:20,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3267 to 2836. [2022-03-01 16:55:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2827 states have (on average 1.9458790237000354) internal successors, (5501), 2835 states have internal predecessors, (5501), 0 states have call successors, (0), 0 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 16:55:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 5501 transitions. [2022-03-01 16:55:20,646 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 5501 transitions. Word has length 141 [2022-03-01 16:55:20,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:20,646 INFO L470 AbstractCegarLoop]: Abstraction has 2836 states and 5501 transitions. [2022-03-01 16:55:20,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:20,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 5501 transitions. [2022-03-01 16:55:20,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:20,648 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:20,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:20,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-03-01 16:55:20,648 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:20,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:20,648 INFO L85 PathProgramCache]: Analyzing trace with hash 3499958, now seen corresponding path program 16 times [2022-03-01 16:55:20,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:20,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807627464] [2022-03-01 16:55:20,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:20,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:20,989 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:20,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807627464] [2022-03-01 16:55:20,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807627464] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:20,989 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:20,989 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:20,990 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527928890] [2022-03-01 16:55:20,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:20,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:20,990 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:20,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:20,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:20,990 INFO L87 Difference]: Start difference. First operand 2836 states and 5501 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:22,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:22,768 INFO L93 Difference]: Finished difference Result 4325 states and 8408 transitions. [2022-03-01 16:55:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:55:22,768 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:22,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:22,773 INFO L225 Difference]: With dead ends: 4325 [2022-03-01 16:55:22,773 INFO L226 Difference]: Without dead ends: 4325 [2022-03-01 16:55:22,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=741, Invalid=3815, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:55:22,774 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 1334 mSDsluCounter, 3031 mSDsCounter, 0 mSdLazyCounter, 1975 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 2091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:22,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1334 Valid, 3335 Invalid, 2091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1975 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:55:22,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4325 states. [2022-03-01 16:55:22,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4325 to 2938. [2022-03-01 16:55:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2929 states have (on average 1.9477637418914304) internal successors, (5705), 2937 states have internal predecessors, (5705), 0 states have call successors, (0), 0 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 16:55:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 5705 transitions. [2022-03-01 16:55:22,802 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 5705 transitions. Word has length 141 [2022-03-01 16:55:22,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:22,803 INFO L470 AbstractCegarLoop]: Abstraction has 2938 states and 5705 transitions. [2022-03-01 16:55:22,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 5705 transitions. [2022-03-01 16:55:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:22,804 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:22,804 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:22,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-03-01 16:55:22,804 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:22,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:22,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1848688168, now seen corresponding path program 17 times [2022-03-01 16:55:22,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:22,805 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121865492] [2022-03-01 16:55:22,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:22,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:23,150 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 16:55:23,150 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:23,150 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121865492] [2022-03-01 16:55:23,150 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121865492] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:23,151 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:23,151 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:23,151 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367537211] [2022-03-01 16:55:23,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:23,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:23,151 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:23,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:23,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:23,151 INFO L87 Difference]: Start difference. First operand 2938 states and 5705 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:25,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:25,329 INFO L93 Difference]: Finished difference Result 4359 states and 8474 transitions. [2022-03-01 16:55:25,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:55:25,329 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:25,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:25,334 INFO L225 Difference]: With dead ends: 4359 [2022-03-01 16:55:25,334 INFO L226 Difference]: Without dead ends: 4359 [2022-03-01 16:55:25,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=811, Invalid=4301, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:55:25,334 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 1210 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 2722 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 3996 SdHoareTripleChecker+Invalid, 2860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 2722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:25,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1210 Valid, 3996 Invalid, 2860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 2722 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:55:25,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4359 states. [2022-03-01 16:55:25,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4359 to 2932. [2022-03-01 16:55:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2923 states have (on average 1.9476565172767704) internal successors, (5693), 2931 states have internal predecessors, (5693), 0 states have call successors, (0), 0 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 16:55:25,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 5693 transitions. [2022-03-01 16:55:25,360 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 5693 transitions. Word has length 141 [2022-03-01 16:55:25,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:25,361 INFO L470 AbstractCegarLoop]: Abstraction has 2932 states and 5693 transitions. [2022-03-01 16:55:25,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:25,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 5693 transitions. [2022-03-01 16:55:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:25,362 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:25,362 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:25,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-03-01 16:55:25,362 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:25,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:25,363 INFO L85 PathProgramCache]: Analyzing trace with hash 637879414, now seen corresponding path program 18 times [2022-03-01 16:55:25,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:25,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829185810] [2022-03-01 16:55:25,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:25,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:25,694 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 16:55:25,694 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:25,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829185810] [2022-03-01 16:55:25,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829185810] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:25,694 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:25,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:25,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043837150] [2022-03-01 16:55:25,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:25,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:25,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:25,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:25,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:25,695 INFO L87 Difference]: Start difference. First operand 2932 states and 5693 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:27,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:27,968 INFO L93 Difference]: Finished difference Result 4390 states and 8534 transitions. [2022-03-01 16:55:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-01 16:55:27,969 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:27,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:27,973 INFO L225 Difference]: With dead ends: 4390 [2022-03-01 16:55:27,973 INFO L226 Difference]: Without dead ends: 4390 [2022-03-01 16:55:27,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1549 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=828, Invalid=4574, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:55:27,973 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1344 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 2923 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 4063 SdHoareTripleChecker+Invalid, 3096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:27,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1344 Valid, 4063 Invalid, 3096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 2923 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:55:27,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2022-03-01 16:55:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2926. [2022-03-01 16:55:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2917 states have (on average 1.9475488515598218) internal successors, (5681), 2925 states have internal predecessors, (5681), 0 states have call successors, (0), 0 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 16:55:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 5681 transitions. [2022-03-01 16:55:28,000 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 5681 transitions. Word has length 141 [2022-03-01 16:55:28,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:28,001 INFO L470 AbstractCegarLoop]: Abstraction has 2926 states and 5681 transitions. [2022-03-01 16:55:28,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:28,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 5681 transitions. [2022-03-01 16:55:28,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:28,002 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:28,002 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:28,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-03-01 16:55:28,002 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:28,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:28,002 INFO L85 PathProgramCache]: Analyzing trace with hash 2022575384, now seen corresponding path program 19 times [2022-03-01 16:55:28,003 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:28,003 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880393200] [2022-03-01 16:55:28,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:28,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:28,317 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 16:55:28,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:28,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880393200] [2022-03-01 16:55:28,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880393200] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:28,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:28,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:28,318 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531645805] [2022-03-01 16:55:28,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:28,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:28,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:28,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:28,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:28,319 INFO L87 Difference]: Start difference. First operand 2926 states and 5681 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:30,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:30,576 INFO L93 Difference]: Finished difference Result 4424 states and 8600 transitions. [2022-03-01 16:55:30,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:55:30,576 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:30,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:30,581 INFO L225 Difference]: With dead ends: 4424 [2022-03-01 16:55:30,581 INFO L226 Difference]: Without dead ends: 4424 [2022-03-01 16:55:30,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1659 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=862, Invalid=4838, Unknown=0, NotChecked=0, Total=5700 [2022-03-01 16:55:30,582 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1345 mSDsluCounter, 3791 mSDsCounter, 0 mSdLazyCounter, 2874 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 4120 SdHoareTripleChecker+Invalid, 3057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:30,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1345 Valid, 4120 Invalid, 3057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2874 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:55:30,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4424 states. [2022-03-01 16:55:30,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4424 to 2920. [2022-03-01 16:55:30,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2911 states have (on average 1.947440742013054) internal successors, (5669), 2919 states have internal predecessors, (5669), 0 states have call successors, (0), 0 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 16:55:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5669 transitions. [2022-03-01 16:55:30,610 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5669 transitions. Word has length 141 [2022-03-01 16:55:30,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:30,610 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5669 transitions. [2022-03-01 16:55:30,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5669 transitions. [2022-03-01 16:55:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:30,612 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:30,612 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:30,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-03-01 16:55:30,612 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:30,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:30,612 INFO L85 PathProgramCache]: Analyzing trace with hash 384749878, now seen corresponding path program 20 times [2022-03-01 16:55:30,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:30,613 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869241233] [2022-03-01 16:55:30,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:30,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:30,938 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 16:55:30,938 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:30,938 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869241233] [2022-03-01 16:55:30,938 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869241233] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:30,938 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:30,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:30,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033556351] [2022-03-01 16:55:30,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:30,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:30,939 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:30,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:30,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:30,939 INFO L87 Difference]: Start difference. First operand 2920 states and 5669 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:33,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:33,394 INFO L93 Difference]: Finished difference Result 5884 states and 11409 transitions. [2022-03-01 16:55:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-03-01 16:55:33,394 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:33,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:33,400 INFO L225 Difference]: With dead ends: 5884 [2022-03-01 16:55:33,400 INFO L226 Difference]: Without dead ends: 5884 [2022-03-01 16:55:33,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2108 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1017, Invalid=5955, Unknown=0, NotChecked=0, Total=6972 [2022-03-01 16:55:33,401 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 2027 mSDsluCounter, 4172 mSDsCounter, 0 mSdLazyCounter, 3068 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 4537 SdHoareTripleChecker+Invalid, 3232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 3068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:33,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2027 Valid, 4537 Invalid, 3232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 3068 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:55:33,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5884 states. [2022-03-01 16:55:33,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5884 to 2848. [2022-03-01 16:55:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2848 states, 2839 states have (on average 1.9461077844311376) internal successors, (5525), 2847 states have internal predecessors, (5525), 0 states have call successors, (0), 0 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 16:55:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 2848 states and 5525 transitions. [2022-03-01 16:55:33,433 INFO L78 Accepts]: Start accepts. Automaton has 2848 states and 5525 transitions. Word has length 141 [2022-03-01 16:55:33,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:33,433 INFO L470 AbstractCegarLoop]: Abstraction has 2848 states and 5525 transitions. [2022-03-01 16:55:33,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2848 states and 5525 transitions. [2022-03-01 16:55:33,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:33,434 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:33,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:33,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-03-01 16:55:33,435 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:33,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:33,435 INFO L85 PathProgramCache]: Analyzing trace with hash -177886262, now seen corresponding path program 21 times [2022-03-01 16:55:33,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:33,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200406200] [2022-03-01 16:55:33,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:33,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:33,688 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:33,688 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200406200] [2022-03-01 16:55:33,688 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200406200] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:33,688 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:33,688 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:55:33,688 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947974018] [2022-03-01 16:55:33,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:33,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:55:33,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:33,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:55:33,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:55:33,689 INFO L87 Difference]: Start difference. First operand 2848 states and 5525 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:35,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:35,387 INFO L93 Difference]: Finished difference Result 4426 states and 8583 transitions. [2022-03-01 16:55:35,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-01 16:55:35,388 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:35,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:35,392 INFO L225 Difference]: With dead ends: 4426 [2022-03-01 16:55:35,393 INFO L226 Difference]: Without dead ends: 4426 [2022-03-01 16:55:35,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=550, Invalid=2990, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 16:55:35,393 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 1123 mSDsluCounter, 3270 mSDsCounter, 0 mSdLazyCounter, 2572 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 3588 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:35,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1123 Valid, 3588 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2572 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:55:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4426 states. [2022-03-01 16:55:35,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4426 to 2908. [2022-03-01 16:55:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2899 states have (on average 1.947223180407037) internal successors, (5645), 2907 states have internal predecessors, (5645), 0 states have call successors, (0), 0 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 16:55:35,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 5645 transitions. [2022-03-01 16:55:35,421 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 5645 transitions. Word has length 141 [2022-03-01 16:55:35,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:35,421 INFO L470 AbstractCegarLoop]: Abstraction has 2908 states and 5645 transitions. [2022-03-01 16:55:35,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:35,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 5645 transitions. [2022-03-01 16:55:35,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:35,422 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:35,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:35,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-03-01 16:55:35,422 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:35,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:35,423 INFO L85 PathProgramCache]: Analyzing trace with hash -130518572, now seen corresponding path program 22 times [2022-03-01 16:55:35,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:35,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151529656] [2022-03-01 16:55:35,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:35,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:35,686 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 16:55:35,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:35,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151529656] [2022-03-01 16:55:35,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151529656] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:35,687 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:35,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:55:35,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73997814] [2022-03-01 16:55:35,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:35,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:55:35,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:35,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:55:35,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:55:35,688 INFO L87 Difference]: Start difference. First operand 2908 states and 5645 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:37,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:37,481 INFO L93 Difference]: Finished difference Result 5119 states and 9888 transitions. [2022-03-01 16:55:37,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:55:37,482 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:37,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:37,487 INFO L225 Difference]: With dead ends: 5119 [2022-03-01 16:55:37,487 INFO L226 Difference]: Without dead ends: 5119 [2022-03-01 16:55:37,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1560 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=660, Invalid=4596, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:55:37,488 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1110 mSDsluCounter, 4557 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 4954 SdHoareTripleChecker+Invalid, 2966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:37,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1110 Valid, 4954 Invalid, 2966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2890 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:37,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5119 states. [2022-03-01 16:55:37,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5119 to 2862. [2022-03-01 16:55:37,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2862 states, 2853 states have (on average 1.946372239747634) internal successors, (5553), 2861 states have internal predecessors, (5553), 0 states have call successors, (0), 0 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 16:55:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2862 states and 5553 transitions. [2022-03-01 16:55:37,532 INFO L78 Accepts]: Start accepts. Automaton has 2862 states and 5553 transitions. Word has length 141 [2022-03-01 16:55:37,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:37,532 INFO L470 AbstractCegarLoop]: Abstraction has 2862 states and 5553 transitions. [2022-03-01 16:55:37,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2862 states and 5553 transitions. [2022-03-01 16:55:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:37,534 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:37,534 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:37,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-03-01 16:55:37,534 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:37,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:37,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1625431030, now seen corresponding path program 23 times [2022-03-01 16:55:37,534 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:37,534 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857843211] [2022-03-01 16:55:37,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:37,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:37,864 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 16:55:37,865 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:37,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857843211] [2022-03-01 16:55:37,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857843211] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:37,865 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:37,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:37,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715323594] [2022-03-01 16:55:37,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:37,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:37,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:37,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:37,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:37,866 INFO L87 Difference]: Start difference. First operand 2862 states and 5553 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:39,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:39,926 INFO L93 Difference]: Finished difference Result 4379 states and 8516 transitions. [2022-03-01 16:55:39,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:55:39,926 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:39,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:39,931 INFO L225 Difference]: With dead ends: 4379 [2022-03-01 16:55:39,931 INFO L226 Difference]: Without dead ends: 4379 [2022-03-01 16:55:39,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1236 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=733, Invalid=3823, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:55:39,932 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 1260 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 2697 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 3588 SdHoareTripleChecker+Invalid, 2809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:39,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1260 Valid, 3588 Invalid, 2809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2697 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:55:39,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4379 states. [2022-03-01 16:55:39,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4379 to 2988. [2022-03-01 16:55:39,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2979 states have (on average 1.948640483383686) internal successors, (5805), 2987 states have internal predecessors, (5805), 0 states have call successors, (0), 0 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 16:55:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 5805 transitions. [2022-03-01 16:55:39,961 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 5805 transitions. Word has length 141 [2022-03-01 16:55:39,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:39,962 INFO L470 AbstractCegarLoop]: Abstraction has 2988 states and 5805 transitions. [2022-03-01 16:55:39,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:39,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 5805 transitions. [2022-03-01 16:55:39,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:39,963 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:39,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:39,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-03-01 16:55:39,963 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:39,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:39,964 INFO L85 PathProgramCache]: Analyzing trace with hash -226757096, now seen corresponding path program 24 times [2022-03-01 16:55:39,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:39,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088309203] [2022-03-01 16:55:39,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:39,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:40,326 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 16:55:40,326 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:40,326 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088309203] [2022-03-01 16:55:40,326 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088309203] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:40,326 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:40,326 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:40,326 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495031709] [2022-03-01 16:55:40,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:40,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:40,326 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:40,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:40,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:40,327 INFO L87 Difference]: Start difference. First operand 2988 states and 5805 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:42,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:42,428 INFO L93 Difference]: Finished difference Result 4413 states and 8582 transitions. [2022-03-01 16:55:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:55:42,428 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:42,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:42,432 INFO L225 Difference]: With dead ends: 4413 [2022-03-01 16:55:42,433 INFO L226 Difference]: Without dead ends: 4413 [2022-03-01 16:55:42,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=792, Invalid=4320, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:55:42,433 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 1284 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 2608 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 3492 SdHoareTripleChecker+Invalid, 2755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:42,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1284 Valid, 3492 Invalid, 2755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2608 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:42,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2022-03-01 16:55:42,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 2982. [2022-03-01 16:55:42,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2973 states have (on average 1.9485368314833502) internal successors, (5793), 2981 states have internal predecessors, (5793), 0 states have call successors, (0), 0 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 16:55:42,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 5793 transitions. [2022-03-01 16:55:42,458 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 5793 transitions. Word has length 141 [2022-03-01 16:55:42,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:42,459 INFO L470 AbstractCegarLoop]: Abstraction has 2982 states and 5793 transitions. [2022-03-01 16:55:42,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 5793 transitions. [2022-03-01 16:55:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:42,460 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:42,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:42,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-03-01 16:55:42,460 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:42,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:42,461 INFO L85 PathProgramCache]: Analyzing trace with hash -2035156810, now seen corresponding path program 25 times [2022-03-01 16:55:42,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:42,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260700898] [2022-03-01 16:55:42,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:42,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:42,803 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 16:55:42,803 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:42,803 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260700898] [2022-03-01 16:55:42,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260700898] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:42,803 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:42,803 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:42,803 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632424460] [2022-03-01 16:55:42,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:42,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:42,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:42,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:42,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:42,804 INFO L87 Difference]: Start difference. First operand 2982 states and 5793 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:44,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:44,939 INFO L93 Difference]: Finished difference Result 4444 states and 8642 transitions. [2022-03-01 16:55:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-01 16:55:44,940 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:44,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:44,945 INFO L225 Difference]: With dead ends: 4444 [2022-03-01 16:55:44,945 INFO L226 Difference]: Without dead ends: 4444 [2022-03-01 16:55:44,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1554 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=802, Invalid=4600, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:55:44,945 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1281 mSDsluCounter, 3329 mSDsCounter, 0 mSdLazyCounter, 2696 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 3621 SdHoareTripleChecker+Invalid, 2858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:44,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1281 Valid, 3621 Invalid, 2858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2696 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:55:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4444 states. [2022-03-01 16:55:44,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4444 to 2976. [2022-03-01 16:55:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2976 states, 2967 states have (on average 1.9484327603640041) internal successors, (5781), 2975 states have internal predecessors, (5781), 0 states have call successors, (0), 0 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 16:55:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 5781 transitions. [2022-03-01 16:55:44,974 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 5781 transitions. Word has length 141 [2022-03-01 16:55:44,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:44,975 INFO L470 AbstractCegarLoop]: Abstraction has 2976 states and 5781 transitions. [2022-03-01 16:55:44,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 5781 transitions. [2022-03-01 16:55:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:44,976 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:44,976 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:44,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-03-01 16:55:44,977 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:44,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:44,977 INFO L85 PathProgramCache]: Analyzing trace with hash -650460840, now seen corresponding path program 26 times [2022-03-01 16:55:44,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:44,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41448785] [2022-03-01 16:55:44,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:44,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:45,310 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 16:55:45,310 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:45,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41448785] [2022-03-01 16:55:45,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41448785] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:45,311 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:45,311 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:45,311 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995883157] [2022-03-01 16:55:45,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:45,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:45,311 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:45,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:45,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:45,311 INFO L87 Difference]: Start difference. First operand 2976 states and 5781 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:47,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:47,620 INFO L93 Difference]: Finished difference Result 4478 states and 8708 transitions. [2022-03-01 16:55:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:55:47,621 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:47,626 INFO L225 Difference]: With dead ends: 4478 [2022-03-01 16:55:47,626 INFO L226 Difference]: Without dead ends: 4478 [2022-03-01 16:55:47,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1669 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=829, Invalid=4871, Unknown=0, NotChecked=0, Total=5700 [2022-03-01 16:55:47,626 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1283 mSDsluCounter, 3622 mSDsCounter, 0 mSdLazyCounter, 3073 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 3922 SdHoareTripleChecker+Invalid, 3265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 3073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:47,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1283 Valid, 3922 Invalid, 3265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 3073 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:55:47,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2022-03-01 16:55:47,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 2970. [2022-03-01 16:55:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2970 states, 2961 states have (on average 1.9483282674772036) internal successors, (5769), 2969 states have internal predecessors, (5769), 0 states have call successors, (0), 0 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 16:55:47,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 5769 transitions. [2022-03-01 16:55:47,656 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 5769 transitions. Word has length 141 [2022-03-01 16:55:47,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:47,656 INFO L470 AbstractCegarLoop]: Abstraction has 2970 states and 5769 transitions. [2022-03-01 16:55:47,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 5769 transitions. [2022-03-01 16:55:47,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:47,657 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:47,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:47,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-03-01 16:55:47,658 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:47,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:47,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2006680950, now seen corresponding path program 27 times [2022-03-01 16:55:47,658 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:47,658 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357246122] [2022-03-01 16:55:47,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:47,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:47,947 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 16:55:47,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:47,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357246122] [2022-03-01 16:55:47,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357246122] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:47,947 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:47,947 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:47,947 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282666058] [2022-03-01 16:55:47,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:47,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:47,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:47,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:47,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:47,948 INFO L87 Difference]: Start difference. First operand 2970 states and 5769 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:50,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:50,286 INFO L93 Difference]: Finished difference Result 5938 states and 11517 transitions. [2022-03-01 16:55:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-03-01 16:55:50,286 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:50,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:50,292 INFO L225 Difference]: With dead ends: 5938 [2022-03-01 16:55:50,292 INFO L226 Difference]: Without dead ends: 5938 [2022-03-01 16:55:50,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2119 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=978, Invalid=5994, Unknown=0, NotChecked=0, Total=6972 [2022-03-01 16:55:50,293 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 2058 mSDsluCounter, 3522 mSDsCounter, 0 mSdLazyCounter, 2849 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 3852 SdHoareTripleChecker+Invalid, 3040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 2849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:50,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2058 Valid, 3852 Invalid, 3040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 2849 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:55:50,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5938 states. [2022-03-01 16:55:50,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5938 to 2898. [2022-03-01 16:55:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2889 states have (on average 1.9470404984423677) internal successors, (5625), 2897 states have internal predecessors, (5625), 0 states have call successors, (0), 0 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 16:55:50,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 5625 transitions. [2022-03-01 16:55:50,325 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 5625 transitions. Word has length 141 [2022-03-01 16:55:50,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:50,325 INFO L470 AbstractCegarLoop]: Abstraction has 2898 states and 5625 transitions. [2022-03-01 16:55:50,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 5625 transitions. [2022-03-01 16:55:50,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:50,327 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:50,327 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:50,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-03-01 16:55:50,327 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:50,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:50,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1444044810, now seen corresponding path program 28 times [2022-03-01 16:55:50,327 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:50,327 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702945194] [2022-03-01 16:55:50,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:50,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:50,592 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 16:55:50,592 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:50,592 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702945194] [2022-03-01 16:55:50,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702945194] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:50,592 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:50,592 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:55:50,592 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805114575] [2022-03-01 16:55:50,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:50,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:55:50,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:50,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:55:50,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:55:50,593 INFO L87 Difference]: Start difference. First operand 2898 states and 5625 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:52,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:52,161 INFO L93 Difference]: Finished difference Result 4772 states and 9261 transitions. [2022-03-01 16:55:52,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-01 16:55:52,162 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:52,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:52,166 INFO L225 Difference]: With dead ends: 4772 [2022-03-01 16:55:52,166 INFO L226 Difference]: Without dead ends: 4772 [2022-03-01 16:55:52,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=562, Invalid=2978, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 16:55:52,167 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1310 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 2513 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:52,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1310 Valid, 3418 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 2513 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:55:52,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4772 states. [2022-03-01 16:55:52,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4772 to 2974. [2022-03-01 16:55:52,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 2965 states have (on average 1.9483979763912311) internal successors, (5777), 2973 states have internal predecessors, (5777), 0 states have call successors, (0), 0 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 16:55:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 5777 transitions. [2022-03-01 16:55:52,194 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 5777 transitions. Word has length 141 [2022-03-01 16:55:52,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:52,194 INFO L470 AbstractCegarLoop]: Abstraction has 2974 states and 5777 transitions. [2022-03-01 16:55:52,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 5777 transitions. [2022-03-01 16:55:52,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:52,196 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:52,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:52,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-03-01 16:55:52,196 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:52,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:52,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1491412500, now seen corresponding path program 29 times [2022-03-01 16:55:52,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:52,196 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935920980] [2022-03-01 16:55:52,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:52,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:52,495 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 16:55:52,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:52,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935920980] [2022-03-01 16:55:52,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935920980] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:52,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:52,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:55:52,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130345976] [2022-03-01 16:55:52,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:52,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:55:52,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:52,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:55:52,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:55:52,496 INFO L87 Difference]: Start difference. First operand 2974 states and 5777 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:54,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:54,294 INFO L93 Difference]: Finished difference Result 4678 states and 9079 transitions. [2022-03-01 16:55:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:55:54,295 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:54,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:54,299 INFO L225 Difference]: With dead ends: 4678 [2022-03-01 16:55:54,299 INFO L226 Difference]: Without dead ends: 4678 [2022-03-01 16:55:54,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 932 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=540, Invalid=2882, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 16:55:54,300 INFO L933 BasicCegarLoop]: 307 mSDtfsCounter, 1223 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 2794 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 3704 SdHoareTripleChecker+Invalid, 2887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:54,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1223 Valid, 3704 Invalid, 2887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2794 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:54,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2022-03-01 16:55:54,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 2914. [2022-03-01 16:55:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2905 states have (on average 1.9473321858864028) internal successors, (5657), 2913 states have internal predecessors, (5657), 0 states have call successors, (0), 0 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 16:55:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 5657 transitions. [2022-03-01 16:55:54,327 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 5657 transitions. Word has length 141 [2022-03-01 16:55:54,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:54,327 INFO L470 AbstractCegarLoop]: Abstraction has 2914 states and 5657 transitions. [2022-03-01 16:55:54,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 5657 transitions. [2022-03-01 16:55:54,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:54,329 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:54,329 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:54,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-03-01 16:55:54,329 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:54,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash -141221294, now seen corresponding path program 30 times [2022-03-01 16:55:54,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:54,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644297088] [2022-03-01 16:55:54,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:54,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:54,662 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 16:55:54,662 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:54,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644297088] [2022-03-01 16:55:54,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644297088] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:54,678 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:54,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:54,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235444263] [2022-03-01 16:55:54,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:54,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:54,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:54,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:54,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:54,679 INFO L87 Difference]: Start difference. First operand 2914 states and 5657 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:56,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:56,078 INFO L93 Difference]: Finished difference Result 3877 states and 7567 transitions. [2022-03-01 16:55:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-01 16:55:56,078 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:56,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:56,083 INFO L225 Difference]: With dead ends: 3877 [2022-03-01 16:55:56,083 INFO L226 Difference]: Without dead ends: 3877 [2022-03-01 16:55:56,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=521, Invalid=2559, Unknown=0, NotChecked=0, Total=3080 [2022-03-01 16:55:56,083 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 1020 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 2614 SdHoareTripleChecker+Invalid, 1861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:56,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1020 Valid, 2614 Invalid, 1861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1746 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:55:56,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3877 states. [2022-03-01 16:55:56,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3877 to 3046. [2022-03-01 16:55:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3046 states, 3037 states have (on average 1.9496213368455713) internal successors, (5921), 3045 states have internal predecessors, (5921), 0 states have call successors, (0), 0 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 16:55:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 5921 transitions. [2022-03-01 16:55:56,111 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 5921 transitions. Word has length 141 [2022-03-01 16:55:56,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:56,111 INFO L470 AbstractCegarLoop]: Abstraction has 3046 states and 5921 transitions. [2022-03-01 16:55:56,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 5921 transitions. [2022-03-01 16:55:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:56,113 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:56,113 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:56,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-03-01 16:55:56,113 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:56,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:56,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1993409420, now seen corresponding path program 31 times [2022-03-01 16:55:56,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:56,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846509119] [2022-03-01 16:55:56,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:56,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:56,522 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 16:55:56,522 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:56,522 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846509119] [2022-03-01 16:55:56,522 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846509119] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:56,522 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:56,522 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:56,522 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316876132] [2022-03-01 16:55:56,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:56,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:56,523 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:56,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:56,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:56,523 INFO L87 Difference]: Start difference. First operand 3046 states and 5921 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:58,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:58,218 INFO L93 Difference]: Finished difference Result 3911 states and 7633 transitions. [2022-03-01 16:55:58,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:55:58,219 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:55:58,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:58,223 INFO L225 Difference]: With dead ends: 3911 [2022-03-01 16:55:58,223 INFO L226 Difference]: Without dead ends: 3911 [2022-03-01 16:55:58,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 812 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=559, Invalid=2863, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 16:55:58,223 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 1021 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 2270 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 2407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 2270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:58,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1021 Valid, 2940 Invalid, 2407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 2270 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:55:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2022-03-01 16:55:58,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 3040. [2022-03-01 16:55:58,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 3031 states have (on average 1.9495216100296933) internal successors, (5909), 3039 states have internal predecessors, (5909), 0 states have call successors, (0), 0 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 16:55:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 5909 transitions. [2022-03-01 16:55:58,248 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 5909 transitions. Word has length 141 [2022-03-01 16:55:58,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:58,248 INFO L470 AbstractCegarLoop]: Abstraction has 3040 states and 5909 transitions. [2022-03-01 16:55:58,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:55:58,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 5909 transitions. [2022-03-01 16:55:58,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:55:58,250 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:58,250 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:55:58,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-03-01 16:55:58,250 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:55:58,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:58,251 INFO L85 PathProgramCache]: Analyzing trace with hash 493158162, now seen corresponding path program 32 times [2022-03-01 16:55:58,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:58,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918135919] [2022-03-01 16:55:58,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:58,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:58,592 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 16:55:58,592 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:58,592 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918135919] [2022-03-01 16:55:58,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918135919] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:58,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:58,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:55:58,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696429217] [2022-03-01 16:55:58,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:58,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:55:58,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:58,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:55:58,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:55:58,593 INFO L87 Difference]: Start difference. First operand 3040 states and 5909 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:00,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:00,266 INFO L93 Difference]: Finished difference Result 3942 states and 7693 transitions. [2022-03-01 16:56:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-01 16:56:00,267 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:00,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:00,271 INFO L225 Difference]: With dead ends: 3942 [2022-03-01 16:56:00,271 INFO L226 Difference]: Without dead ends: 3942 [2022-03-01 16:56:00,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=553, Invalid=2987, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 16:56:00,271 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 1155 mSDsluCounter, 2757 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 2996 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:00,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1155 Valid, 2996 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2266 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:56:00,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3942 states. [2022-03-01 16:56:00,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3942 to 3034. [2022-03-01 16:56:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3034 states, 3025 states have (on average 1.9494214876033058) internal successors, (5897), 3033 states have internal predecessors, (5897), 0 states have call successors, (0), 0 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 16:56:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 3034 states and 5897 transitions. [2022-03-01 16:56:00,297 INFO L78 Accepts]: Start accepts. Automaton has 3034 states and 5897 transitions. Word has length 141 [2022-03-01 16:56:00,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:00,297 INFO L470 AbstractCegarLoop]: Abstraction has 3034 states and 5897 transitions. [2022-03-01 16:56:00,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:00,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 5897 transitions. [2022-03-01 16:56:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:00,299 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:00,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:00,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-03-01 16:56:00,299 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:00,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:00,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1877854132, now seen corresponding path program 33 times [2022-03-01 16:56:00,299 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:00,299 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099288156] [2022-03-01 16:56:00,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:00,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:00,604 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 16:56:00,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:00,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099288156] [2022-03-01 16:56:00,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099288156] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:00,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:00,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:56:00,605 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404734261] [2022-03-01 16:56:00,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:00,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:56:00,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:00,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:56:00,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:56:00,605 INFO L87 Difference]: Start difference. First operand 3034 states and 5897 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:02,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:02,333 INFO L93 Difference]: Finished difference Result 3976 states and 7759 transitions. [2022-03-01 16:56:02,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-01 16:56:02,333 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:02,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:02,338 INFO L225 Difference]: With dead ends: 3976 [2022-03-01 16:56:02,338 INFO L226 Difference]: Without dead ends: 3976 [2022-03-01 16:56:02,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=559, Invalid=3101, Unknown=0, NotChecked=0, Total=3660 [2022-03-01 16:56:02,338 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 1042 mSDsluCounter, 3033 mSDsCounter, 0 mSdLazyCounter, 2435 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 2592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:02,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1042 Valid, 3280 Invalid, 2592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2435 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:56:02,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3976 states. [2022-03-01 16:56:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3976 to 3028. [2022-03-01 16:56:02,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3028 states, 3019 states have (on average 1.9493209672076848) internal successors, (5885), 3027 states have internal predecessors, (5885), 0 states have call successors, (0), 0 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 16:56:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 5885 transitions. [2022-03-01 16:56:02,364 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 5885 transitions. Word has length 141 [2022-03-01 16:56:02,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:02,364 INFO L470 AbstractCegarLoop]: Abstraction has 3028 states and 5885 transitions. [2022-03-01 16:56:02,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 5885 transitions. [2022-03-01 16:56:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:02,366 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:02,366 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:02,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-03-01 16:56:02,366 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:02,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:02,366 INFO L85 PathProgramCache]: Analyzing trace with hash 240028626, now seen corresponding path program 34 times [2022-03-01 16:56:02,366 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:02,366 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42535394] [2022-03-01 16:56:02,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:02,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:02,676 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 16:56:02,676 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:02,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42535394] [2022-03-01 16:56:02,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42535394] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:02,676 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:02,676 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:56:02,677 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479043268] [2022-03-01 16:56:02,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:02,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:56:02,677 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:02,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:56:02,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:56:02,677 INFO L87 Difference]: Start difference. First operand 3028 states and 5885 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:04,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:04,621 INFO L93 Difference]: Finished difference Result 5261 states and 10253 transitions. [2022-03-01 16:56:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:56:04,622 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:04,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:04,627 INFO L225 Difference]: With dead ends: 5261 [2022-03-01 16:56:04,627 INFO L226 Difference]: Without dead ends: 5261 [2022-03-01 16:56:04,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=594, Invalid=3312, Unknown=0, NotChecked=0, Total=3906 [2022-03-01 16:56:04,627 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 1352 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 2986 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 3961 SdHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 2986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:04,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1352 Valid, 3961 Invalid, 3128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 2986 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:56:04,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5261 states. [2022-03-01 16:56:04,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5261 to 2956. [2022-03-01 16:56:04,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2956 states, 2947 states have (on average 1.9480827960637936) internal successors, (5741), 2955 states have internal predecessors, (5741), 0 states have call successors, (0), 0 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 16:56:04,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2956 states and 5741 transitions. [2022-03-01 16:56:04,655 INFO L78 Accepts]: Start accepts. Automaton has 2956 states and 5741 transitions. Word has length 141 [2022-03-01 16:56:04,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:04,655 INFO L470 AbstractCegarLoop]: Abstraction has 2956 states and 5741 transitions. [2022-03-01 16:56:04,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:04,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 5741 transitions. [2022-03-01 16:56:04,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:04,657 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:04,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:04,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-03-01 16:56:04,657 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:04,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:04,657 INFO L85 PathProgramCache]: Analyzing trace with hash -322607514, now seen corresponding path program 35 times [2022-03-01 16:56:04,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:04,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107595668] [2022-03-01 16:56:04,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:04,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:04,909 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 16:56:04,909 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:04,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107595668] [2022-03-01 16:56:04,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107595668] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:04,910 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:04,910 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:56:04,910 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846387540] [2022-03-01 16:56:04,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:04,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:56:04,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:04,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:56:04,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:56:04,910 INFO L87 Difference]: Start difference. First operand 2956 states and 5741 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:06,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:06,395 INFO L93 Difference]: Finished difference Result 5766 states and 11232 transitions. [2022-03-01 16:56:06,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-01 16:56:06,395 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:06,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:06,401 INFO L225 Difference]: With dead ends: 5766 [2022-03-01 16:56:06,401 INFO L226 Difference]: Without dead ends: 5766 [2022-03-01 16:56:06,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=453, Invalid=2199, Unknown=0, NotChecked=0, Total=2652 [2022-03-01 16:56:06,402 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 1353 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:06,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1353 Valid, 2907 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:56:06,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5766 states. [2022-03-01 16:56:06,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5766 to 2949. [2022-03-01 16:56:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2940 states have (on average 1.9479591836734693) internal successors, (5727), 2948 states have internal predecessors, (5727), 0 states have call successors, (0), 0 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 16:56:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 5727 transitions. [2022-03-01 16:56:06,433 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 5727 transitions. Word has length 141 [2022-03-01 16:56:06,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:06,433 INFO L470 AbstractCegarLoop]: Abstraction has 2949 states and 5727 transitions. [2022-03-01 16:56:06,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:06,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 5727 transitions. [2022-03-01 16:56:06,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:06,435 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:06,435 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:06,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-03-01 16:56:06,435 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:06,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:06,436 INFO L85 PathProgramCache]: Analyzing trace with hash 811447078, now seen corresponding path program 36 times [2022-03-01 16:56:06,436 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:06,436 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093993969] [2022-03-01 16:56:06,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:06,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:06,703 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 16:56:06,703 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:06,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093993969] [2022-03-01 16:56:06,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093993969] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:06,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:06,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:56:06,703 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274654956] [2022-03-01 16:56:06,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:06,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:56:06,704 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:06,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:56:06,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:56:06,704 INFO L87 Difference]: Start difference. First operand 2949 states and 5727 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:08,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:08,676 INFO L93 Difference]: Finished difference Result 5032 states and 9825 transitions. [2022-03-01 16:56:08,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:56:08,676 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:08,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:08,682 INFO L225 Difference]: With dead ends: 5032 [2022-03-01 16:56:08,682 INFO L226 Difference]: Without dead ends: 5032 [2022-03-01 16:56:08,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=572, Invalid=2968, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 16:56:08,683 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 1394 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 3105 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 3645 SdHoareTripleChecker+Invalid, 3193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:08,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1394 Valid, 3645 Invalid, 3193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 3105 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:56:08,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2022-03-01 16:56:08,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 3009. [2022-03-01 16:56:08,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 3000 states have (on average 1.949) internal successors, (5847), 3008 states have internal predecessors, (5847), 0 states have call successors, (0), 0 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 16:56:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 5847 transitions. [2022-03-01 16:56:08,713 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 5847 transitions. Word has length 141 [2022-03-01 16:56:08,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:08,713 INFO L470 AbstractCegarLoop]: Abstraction has 3009 states and 5847 transitions. [2022-03-01 16:56:08,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 5847 transitions. [2022-03-01 16:56:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:08,714 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:08,715 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:08,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-03-01 16:56:08,715 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:08,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:08,715 INFO L85 PathProgramCache]: Analyzing trace with hash 858814768, now seen corresponding path program 37 times [2022-03-01 16:56:08,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:08,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430949193] [2022-03-01 16:56:08,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:08,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:09,030 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 16:56:09,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:09,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430949193] [2022-03-01 16:56:09,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430949193] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:09,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:09,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:56:09,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083052832] [2022-03-01 16:56:09,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:09,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:56:09,031 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:09,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:56:09,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:56:09,031 INFO L87 Difference]: Start difference. First operand 3009 states and 5847 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:10,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:10,971 INFO L93 Difference]: Finished difference Result 5003 states and 9768 transitions. [2022-03-01 16:56:10,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-01 16:56:10,971 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:10,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:10,976 INFO L225 Difference]: With dead ends: 5003 [2022-03-01 16:56:10,976 INFO L226 Difference]: Without dead ends: 5003 [2022-03-01 16:56:10,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=550, Invalid=2872, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 16:56:10,976 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1247 mSDsluCounter, 3288 mSDsCounter, 0 mSdLazyCounter, 2971 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 3579 SdHoareTripleChecker+Invalid, 3065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:10,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1247 Valid, 3579 Invalid, 3065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 2971 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:56:10,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5003 states. [2022-03-01 16:56:10,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5003 to 2927. [2022-03-01 16:56:11,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2918 states have (on average 1.9475668265935573) internal successors, (5683), 2926 states have internal predecessors, (5683), 0 states have call successors, (0), 0 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 16:56:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 5683 transitions. [2022-03-01 16:56:11,003 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 5683 transitions. Word has length 141 [2022-03-01 16:56:11,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:11,003 INFO L470 AbstractCegarLoop]: Abstraction has 2927 states and 5683 transitions. [2022-03-01 16:56:11,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 5683 transitions. [2022-03-01 16:56:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:11,004 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:11,004 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:11,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-03-01 16:56:11,005 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:11,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:11,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1599363506, now seen corresponding path program 38 times [2022-03-01 16:56:11,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:11,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213311062] [2022-03-01 16:56:11,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:11,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:11,341 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 16:56:11,341 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:11,341 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213311062] [2022-03-01 16:56:11,341 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213311062] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:11,341 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:11,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:56:11,342 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315293298] [2022-03-01 16:56:11,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:11,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:56:11,342 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:11,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:56:11,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:56:11,342 INFO L87 Difference]: Start difference. First operand 2927 states and 5683 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:12,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:12,634 INFO L93 Difference]: Finished difference Result 4247 states and 8242 transitions. [2022-03-01 16:56:12,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:56:12,635 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:12,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:12,638 INFO L225 Difference]: With dead ends: 4247 [2022-03-01 16:56:12,638 INFO L226 Difference]: Without dead ends: 4247 [2022-03-01 16:56:12,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=381, Invalid=1599, Unknown=0, NotChecked=0, Total=1980 [2022-03-01 16:56:12,639 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 868 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 2651 SdHoareTripleChecker+Invalid, 1988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:12,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [868 Valid, 2651 Invalid, 1988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1891 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:56:12,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4247 states. [2022-03-01 16:56:12,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4247 to 2921. [2022-03-01 16:56:12,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2912 states have (on average 1.9474587912087913) internal successors, (5671), 2920 states have internal predecessors, (5671), 0 states have call successors, (0), 0 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 16:56:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5671 transitions. [2022-03-01 16:56:12,664 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5671 transitions. Word has length 141 [2022-03-01 16:56:12,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:12,664 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5671 transitions. [2022-03-01 16:56:12,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5671 transitions. [2022-03-01 16:56:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:12,666 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:12,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:12,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-03-01 16:56:12,666 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:12,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:12,666 INFO L85 PathProgramCache]: Analyzing trace with hash -252824620, now seen corresponding path program 39 times [2022-03-01 16:56:12,666 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:12,666 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312232942] [2022-03-01 16:56:12,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:12,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:13,023 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 16:56:13,024 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:13,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312232942] [2022-03-01 16:56:13,024 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312232942] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:13,024 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:13,024 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:56:13,024 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307445111] [2022-03-01 16:56:13,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:13,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:56:13,024 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:13,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:56:13,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:56:13,025 INFO L87 Difference]: Start difference. First operand 2921 states and 5671 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:14,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:14,566 INFO L93 Difference]: Finished difference Result 4281 states and 8308 transitions. [2022-03-01 16:56:14,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-01 16:56:14,567 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:14,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:14,571 INFO L225 Difference]: With dead ends: 4281 [2022-03-01 16:56:14,571 INFO L226 Difference]: Without dead ends: 4281 [2022-03-01 16:56:14,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2022-03-01 16:56:14,572 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 1012 mSDsluCounter, 2763 mSDsCounter, 0 mSdLazyCounter, 2344 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 3012 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 2344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:14,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 3012 Invalid, 2451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 2344 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:56:14,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2022-03-01 16:56:14,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 2915. [2022-03-01 16:56:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2906 states have (on average 1.9473503097040605) internal successors, (5659), 2914 states have internal predecessors, (5659), 0 states have call successors, (0), 0 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 16:56:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 5659 transitions. [2022-03-01 16:56:14,599 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 5659 transitions. Word has length 141 [2022-03-01 16:56:14,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:14,599 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 5659 transitions. [2022-03-01 16:56:14,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 5659 transitions. [2022-03-01 16:56:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:14,600 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:14,600 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:14,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-03-01 16:56:14,601 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:14,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2061224334, now seen corresponding path program 40 times [2022-03-01 16:56:14,601 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:14,601 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126178891] [2022-03-01 16:56:14,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:14,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:14,939 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 16:56:14,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:14,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126178891] [2022-03-01 16:56:14,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126178891] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:14,940 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:14,940 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:56:14,940 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088733943] [2022-03-01 16:56:14,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:14,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:56:14,940 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:14,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:56:14,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:56:14,941 INFO L87 Difference]: Start difference. First operand 2915 states and 5659 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:16,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:16,595 INFO L93 Difference]: Finished difference Result 4312 states and 8368 transitions. [2022-03-01 16:56:16,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-01 16:56:16,595 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:16,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:16,600 INFO L225 Difference]: With dead ends: 4312 [2022-03-01 16:56:16,600 INFO L226 Difference]: Without dead ends: 4312 [2022-03-01 16:56:16,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=457, Invalid=1993, Unknown=0, NotChecked=0, Total=2450 [2022-03-01 16:56:16,600 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 796 mSDsluCounter, 3120 mSDsCounter, 0 mSdLazyCounter, 2652 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 3378 SdHoareTripleChecker+Invalid, 2767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:16,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 3378 Invalid, 2767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2652 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:56:16,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2022-03-01 16:56:16,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 2909. [2022-03-01 16:56:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 2900 states have (on average 1.947241379310345) internal successors, (5647), 2908 states have internal predecessors, (5647), 0 states have call successors, (0), 0 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 16:56:16,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 5647 transitions. [2022-03-01 16:56:16,627 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 5647 transitions. Word has length 141 [2022-03-01 16:56:16,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:16,627 INFO L470 AbstractCegarLoop]: Abstraction has 2909 states and 5647 transitions. [2022-03-01 16:56:16,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 5647 transitions. [2022-03-01 16:56:16,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:16,640 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:16,640 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:16,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-03-01 16:56:16,640 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:16,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:16,641 INFO L85 PathProgramCache]: Analyzing trace with hash -676528364, now seen corresponding path program 41 times [2022-03-01 16:56:16,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:16,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244704169] [2022-03-01 16:56:16,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:16,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:17,016 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 16:56:17,016 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:17,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244704169] [2022-03-01 16:56:17,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244704169] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:17,016 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:17,016 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:56:17,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078044707] [2022-03-01 16:56:17,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:17,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:56:17,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:17,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:56:17,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:56:17,017 INFO L87 Difference]: Start difference. First operand 2909 states and 5647 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:18,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:18,799 INFO L93 Difference]: Finished difference Result 4346 states and 8434 transitions. [2022-03-01 16:56:18,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-01 16:56:18,799 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:18,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:18,804 INFO L225 Difference]: With dead ends: 4346 [2022-03-01 16:56:18,804 INFO L226 Difference]: Without dead ends: 4346 [2022-03-01 16:56:18,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=495, Invalid=2157, Unknown=0, NotChecked=0, Total=2652 [2022-03-01 16:56:18,804 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 936 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 2911 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 3583 SdHoareTripleChecker+Invalid, 3044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 2911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:18,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [936 Valid, 3583 Invalid, 3044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 2911 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:56:18,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2022-03-01 16:56:18,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 2903. [2022-03-01 16:56:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2903 states, 2894 states have (on average 1.94713199723566) internal successors, (5635), 2902 states have internal predecessors, (5635), 0 states have call successors, (0), 0 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 16:56:18,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2903 states and 5635 transitions. [2022-03-01 16:56:18,830 INFO L78 Accepts]: Start accepts. Automaton has 2903 states and 5635 transitions. Word has length 141 [2022-03-01 16:56:18,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:18,830 INFO L470 AbstractCegarLoop]: Abstraction has 2903 states and 5635 transitions. [2022-03-01 16:56:18,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:18,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 5635 transitions. [2022-03-01 16:56:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:18,831 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:18,831 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:18,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-03-01 16:56:18,831 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:18,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:18,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1980613426, now seen corresponding path program 42 times [2022-03-01 16:56:18,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:18,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583049257] [2022-03-01 16:56:18,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:18,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:19,119 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 16:56:19,119 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:19,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583049257] [2022-03-01 16:56:19,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583049257] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:19,119 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:19,119 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-01 16:56:19,120 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642375304] [2022-03-01 16:56:19,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:19,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 16:56:19,120 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:19,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 16:56:19,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:56:19,120 INFO L87 Difference]: Start difference. First operand 2903 states and 5635 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:21,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:21,032 INFO L93 Difference]: Finished difference Result 5631 states and 10928 transitions. [2022-03-01 16:56:21,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 16:56:21,032 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:21,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:21,038 INFO L225 Difference]: With dead ends: 5631 [2022-03-01 16:56:21,038 INFO L226 Difference]: Without dead ends: 5631 [2022-03-01 16:56:21,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=667, Invalid=2873, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 16:56:21,039 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1361 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 2818 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 3649 SdHoareTripleChecker+Invalid, 2967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 2818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:21,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1361 Valid, 3649 Invalid, 2967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 2818 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:56:21,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5631 states. [2022-03-01 16:56:21,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5631 to 2831. [2022-03-01 16:56:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2822 states have (on average 1.9457831325301205) internal successors, (5491), 2830 states have internal predecessors, (5491), 0 states have call successors, (0), 0 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 16:56:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 5491 transitions. [2022-03-01 16:56:21,068 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 5491 transitions. Word has length 141 [2022-03-01 16:56:21,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:21,068 INFO L470 AbstractCegarLoop]: Abstraction has 2831 states and 5491 transitions. [2022-03-01 16:56:21,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:21,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 5491 transitions. [2022-03-01 16:56:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:21,070 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:21,070 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:21,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-03-01 16:56:21,070 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:21,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:21,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1417977286, now seen corresponding path program 43 times [2022-03-01 16:56:21,071 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:21,071 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679439727] [2022-03-01 16:56:21,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:21,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:21,353 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 16:56:21,354 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:21,354 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679439727] [2022-03-01 16:56:21,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679439727] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:21,354 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:21,354 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:56:21,354 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123498513] [2022-03-01 16:56:21,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:21,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:56:21,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:21,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:56:21,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:56:21,355 INFO L87 Difference]: Start difference. First operand 2831 states and 5491 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:22,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:22,642 INFO L93 Difference]: Finished difference Result 5213 states and 10080 transitions. [2022-03-01 16:56:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-01 16:56:22,642 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:22,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:22,647 INFO L225 Difference]: With dead ends: 5213 [2022-03-01 16:56:22,647 INFO L226 Difference]: Without dead ends: 5213 [2022-03-01 16:56:22,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=460, Invalid=2090, Unknown=0, NotChecked=0, Total=2550 [2022-03-01 16:56:22,648 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1330 mSDsluCounter, 2038 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:22,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1330 Valid, 2311 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:56:22,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5213 states. [2022-03-01 16:56:22,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5213 to 2876. [2022-03-01 16:56:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 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 16:56:22,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-01 16:56:22,676 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-01 16:56:22,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:22,676 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-01 16:56:22,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-01 16:56:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:22,678 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:22,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:22,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-03-01 16:56:22,678 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:22,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:22,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1465344976, now seen corresponding path program 44 times [2022-03-01 16:56:22,678 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:22,678 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655257825] [2022-03-01 16:56:22,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:22,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:22,919 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 16:56:22,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:22,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655257825] [2022-03-01 16:56:22,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655257825] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:22,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:22,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:56:22,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463981213] [2022-03-01 16:56:22,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:22,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:56:22,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:22,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:56:22,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:56:22,920 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:24,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:24,949 INFO L93 Difference]: Finished difference Result 5829 states and 11249 transitions. [2022-03-01 16:56:24,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:56:24,949 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:24,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:24,955 INFO L225 Difference]: With dead ends: 5829 [2022-03-01 16:56:24,955 INFO L226 Difference]: Without dead ends: 5829 [2022-03-01 16:56:24,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=752, Invalid=3670, Unknown=0, NotChecked=0, Total=4422 [2022-03-01 16:56:24,955 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 1108 mSDsluCounter, 4314 mSDsCounter, 0 mSdLazyCounter, 3333 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 4663 SdHoareTripleChecker+Invalid, 3421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:24,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1108 Valid, 4663 Invalid, 3421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 3333 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:56:24,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5829 states. [2022-03-01 16:56:24,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5829 to 2864. [2022-03-01 16:56:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2864 states, 2855 states have (on average 1.9464098073555167) internal successors, (5557), 2863 states have internal predecessors, (5557), 0 states have call successors, (0), 0 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 16:56:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2864 states and 5557 transitions. [2022-03-01 16:56:24,985 INFO L78 Accepts]: Start accepts. Automaton has 2864 states and 5557 transitions. Word has length 141 [2022-03-01 16:56:24,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:24,985 INFO L470 AbstractCegarLoop]: Abstraction has 2864 states and 5557 transitions. [2022-03-01 16:56:24,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:24,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 5557 transitions. [2022-03-01 16:56:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:24,986 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:24,987 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:24,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-03-01 16:56:24,987 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:24,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:24,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1742935418, now seen corresponding path program 45 times [2022-03-01 16:56:24,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:24,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719327009] [2022-03-01 16:56:24,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:24,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:25,259 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 16:56:25,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:25,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719327009] [2022-03-01 16:56:25,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719327009] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:25,259 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:25,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:56:25,259 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899253394] [2022-03-01 16:56:25,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:25,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:56:25,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:25,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:56:25,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:56:25,263 INFO L87 Difference]: Start difference. First operand 2864 states and 5557 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:27,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:27,385 INFO L93 Difference]: Finished difference Result 5357 states and 10368 transitions. [2022-03-01 16:56:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:56:27,386 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:27,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:27,391 INFO L225 Difference]: With dead ends: 5357 [2022-03-01 16:56:27,391 INFO L226 Difference]: Without dead ends: 5357 [2022-03-01 16:56:27,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=700, Invalid=3460, Unknown=0, NotChecked=0, Total=4160 [2022-03-01 16:56:27,392 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 1432 mSDsluCounter, 3826 mSDsCounter, 0 mSdLazyCounter, 3793 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 4191 SdHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 3793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:27,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1432 Valid, 4191 Invalid, 3899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 3793 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:56:27,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5357 states. [2022-03-01 16:56:27,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5357 to 2876. [2022-03-01 16:56:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 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 16:56:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-01 16:56:27,424 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-01 16:56:27,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:27,424 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-01 16:56:27,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-01 16:56:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:27,425 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:27,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:27,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-03-01 16:56:27,426 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:27,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:27,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1695567728, now seen corresponding path program 46 times [2022-03-01 16:56:27,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:27,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360055761] [2022-03-01 16:56:27,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:27,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:27,674 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 16:56:27,675 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:27,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360055761] [2022-03-01 16:56:27,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360055761] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:27,675 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:27,675 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:56:27,675 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770912130] [2022-03-01 16:56:27,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:27,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:56:27,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:27,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:56:27,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:56:27,676 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:29,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:29,827 INFO L93 Difference]: Finished difference Result 5943 states and 11471 transitions. [2022-03-01 16:56:29,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:56:29,827 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:29,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:29,848 INFO L225 Difference]: With dead ends: 5943 [2022-03-01 16:56:29,848 INFO L226 Difference]: Without dead ends: 5943 [2022-03-01 16:56:29,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1362 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=865, Invalid=4105, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 16:56:29,848 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 1246 mSDsluCounter, 4408 mSDsCounter, 0 mSdLazyCounter, 3494 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 4769 SdHoareTripleChecker+Invalid, 3588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:29,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1246 Valid, 4769 Invalid, 3588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3494 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:56:29,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5943 states. [2022-03-01 16:56:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5943 to 2852. [2022-03-01 16:56:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2843 states have (on average 1.9461836088638762) internal successors, (5533), 2851 states have internal predecessors, (5533), 0 states have call successors, (0), 0 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 16:56:29,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 5533 transitions. [2022-03-01 16:56:29,878 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 5533 transitions. Word has length 141 [2022-03-01 16:56:29,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:29,878 INFO L470 AbstractCegarLoop]: Abstraction has 2852 states and 5533 transitions. [2022-03-01 16:56:29,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 5533 transitions. [2022-03-01 16:56:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:29,880 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:29,880 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:29,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-03-01 16:56:29,880 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:29,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:29,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1983043114, now seen corresponding path program 47 times [2022-03-01 16:56:29,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:29,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294015688] [2022-03-01 16:56:29,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:29,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:30,111 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 16:56:30,111 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:30,111 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294015688] [2022-03-01 16:56:30,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294015688] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:30,111 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:30,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:56:30,111 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788301119] [2022-03-01 16:56:30,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:30,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:56:30,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:30,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:56:30,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:56:30,112 INFO L87 Difference]: Start difference. First operand 2852 states and 5533 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:31,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:31,855 INFO L93 Difference]: Finished difference Result 4273 states and 8263 transitions. [2022-03-01 16:56:31,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-01 16:56:31,856 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:31,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:31,860 INFO L225 Difference]: With dead ends: 4273 [2022-03-01 16:56:31,860 INFO L226 Difference]: Without dead ends: 4273 [2022-03-01 16:56:31,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=587, Invalid=3073, Unknown=0, NotChecked=0, Total=3660 [2022-03-01 16:56:31,860 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1409 mSDsluCounter, 3219 mSDsCounter, 0 mSdLazyCounter, 3004 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 3533 SdHoareTripleChecker+Invalid, 3102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 3004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:31,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1409 Valid, 3533 Invalid, 3102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 3004 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:56:31,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4273 states. [2022-03-01 16:56:31,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4273 to 2794. [2022-03-01 16:56:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 2785 states have (on average 1.9450628366247755) internal successors, (5417), 2793 states have internal predecessors, (5417), 0 states have call successors, (0), 0 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 16:56:31,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 5417 transitions. [2022-03-01 16:56:31,885 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 5417 transitions. Word has length 141 [2022-03-01 16:56:31,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:31,885 INFO L470 AbstractCegarLoop]: Abstraction has 2794 states and 5417 transitions. [2022-03-01 16:56:31,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:31,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 5417 transitions. [2022-03-01 16:56:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-01 16:56:31,886 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:31,886 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:31,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-03-01 16:56:31,886 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:31,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:31,887 INFO L85 PathProgramCache]: Analyzing trace with hash 2030410804, now seen corresponding path program 48 times [2022-03-01 16:56:31,887 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:31,887 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438365660] [2022-03-01 16:56:31,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:31,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:32,126 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 16:56:32,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:32,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438365660] [2022-03-01 16:56:32,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438365660] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:32,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:32,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-01 16:56:32,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941987890] [2022-03-01 16:56:32,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:32,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-01 16:56:32,127 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:32,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-01 16:56:32,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:56:32,128 INFO L87 Difference]: Start difference. First operand 2794 states and 5417 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:34,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:34,271 INFO L93 Difference]: Finished difference Result 4313 states and 8304 transitions. [2022-03-01 16:56:34,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:56:34,271 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-01 16:56:34,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:34,275 INFO L225 Difference]: With dead ends: 4313 [2022-03-01 16:56:34,275 INFO L226 Difference]: Without dead ends: 4313 [2022-03-01 16:56:34,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1592 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=863, Invalid=4539, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:56:34,276 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1507 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 3468 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 4028 SdHoareTripleChecker+Invalid, 3588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:34,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1507 Valid, 4028 Invalid, 3588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 3468 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:56:34,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2022-03-01 16:56:34,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 2563. [2022-03-01 16:56:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2555 states have (on average 1.9412915851272015) internal successors, (4960), 2562 states have internal predecessors, (4960), 0 states have call successors, (0), 0 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 16:56:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 4960 transitions. [2022-03-01 16:56:34,303 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 4960 transitions. Word has length 141 [2022-03-01 16:56:34,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:34,303 INFO L470 AbstractCegarLoop]: Abstraction has 2563 states and 4960 transitions. [2022-03-01 16:56:34,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 16:56:34,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 4960 transitions. [2022-03-01 16:56:34,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-01 16:56:34,304 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:34,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:34,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-03-01 16:56:34,304 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:34,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:34,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1727313849, now seen corresponding path program 1 times [2022-03-01 16:56:34,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:34,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128033407] [2022-03-01 16:56:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:34,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:34,381 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 16:56:34,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:34,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128033407] [2022-03-01 16:56:34,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128033407] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:34,382 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:34,382 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:56:34,382 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728857633] [2022-03-01 16:56:34,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:34,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:56:34,382 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:34,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:56:34,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:56:34,382 INFO L87 Difference]: Start difference. First operand 2563 states and 4960 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 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 16:56:34,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:34,556 INFO L93 Difference]: Finished difference Result 2796 states and 5420 transitions. [2022-03-01 16:56:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:56:34,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-03-01 16:56:34,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:34,558 INFO L225 Difference]: With dead ends: 2796 [2022-03-01 16:56:34,558 INFO L226 Difference]: Without dead ends: 2796 [2022-03-01 16:56:34,558 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 16:56:34,559 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 102 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:34,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 536 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:56:34,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2022-03-01 16:56:34,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 2670. [2022-03-01 16:56:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 2662 states have (on average 1.9425244177310292) internal successors, (5171), 2669 states have internal predecessors, (5171), 0 states have call successors, (0), 0 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 16:56:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 5171 transitions. [2022-03-01 16:56:34,579 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 5171 transitions. Word has length 147 [2022-03-01 16:56:34,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:34,579 INFO L470 AbstractCegarLoop]: Abstraction has 2670 states and 5171 transitions. [2022-03-01 16:56:34,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 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 16:56:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 5171 transitions. [2022-03-01 16:56:34,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-03-01 16:56:34,581 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:34,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:34,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-03-01 16:56:34,581 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-01 16:56:34,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:34,581 INFO L85 PathProgramCache]: Analyzing trace with hash 394193674, now seen corresponding path program 1 times [2022-03-01 16:56:34,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:34,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428553471] [2022-03-01 16:56:34,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:34,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:56:34,616 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 16:56:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:56:34,699 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 16:56:34,699 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 16:56:34,700 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2022-03-01 16:56:34,701 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2022-03-01 16:56:34,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2022-03-01 16:56:34,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2022-03-01 16:56:34,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2022-03-01 16:56:34,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2022-03-01 16:56:34,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2022-03-01 16:56:34,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2022-03-01 16:56:34,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2022-03-01 16:56:34,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2022-03-01 16:56:34,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (14 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2022-03-01 16:56:34,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2022-03-01 16:56:34,704 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2022-03-01 16:56:34,704 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2022-03-01 16:56:34,704 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2022-03-01 16:56:34,704 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2022-03-01 16:56:34,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-03-01 16:56:34,706 INFO L732 BasicCegarLoop]: Path program histogram: [48, 48, 34, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:34,711 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:56:34,711 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:56:34,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:56:34 BasicIcfg [2022-03-01 16:56:34,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:56:34,819 INFO L158 Benchmark]: Toolchain (without parser) took 397936.96ms. Allocated memory was 187.7MB in the beginning and 402.7MB in the end (delta: 215.0MB). Free memory was 134.9MB in the beginning and 239.6MB in the end (delta: -104.7MB). Peak memory consumption was 110.7MB. Max. memory is 8.0GB. [2022-03-01 16:56:34,819 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory was 154.3MB in the beginning and 154.2MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:56:34,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.81ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 134.7MB in the beginning and 175.0MB in the end (delta: -40.3MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-03-01 16:56:34,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.42ms. Allocated memory is still 225.4MB. Free memory was 175.0MB in the beginning and 171.4MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 16:56:34,819 INFO L158 Benchmark]: Boogie Preprocessor took 44.23ms. Allocated memory is still 225.4MB. Free memory was 171.4MB in the beginning and 168.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 16:56:34,819 INFO L158 Benchmark]: RCFGBuilder took 677.81ms. Allocated memory is still 225.4MB. Free memory was 168.7MB in the beginning and 146.7MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-03-01 16:56:34,819 INFO L158 Benchmark]: TraceAbstraction took 396512.04ms. Allocated memory was 225.4MB in the beginning and 402.7MB in the end (delta: 177.2MB). Free memory was 146.2MB in the beginning and 239.6MB in the end (delta: -93.4MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. [2022-03-01 16:56:34,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory was 154.3MB in the beginning and 154.2MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 612.81ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 134.7MB in the beginning and 175.0MB in the end (delta: -40.3MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.42ms. Allocated memory is still 225.4MB. Free memory was 175.0MB in the beginning and 171.4MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.23ms. Allocated memory is still 225.4MB. Free memory was 171.4MB in the beginning and 168.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 677.81ms. Allocated memory is still 225.4MB. Free memory was 168.7MB in the beginning and 146.7MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 396512.04ms. Allocated memory was 225.4MB in the beginning and 402.7MB in the end (delta: 177.2MB). Free memory was 146.2MB in the beginning and 239.6MB in the end (delta: -93.4MB). Peak memory consumption was 84.9MB. 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 - DataRaceFoundResult [Line: 1253]: Data race detected Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A; VAL [A={0:0}] [L1231] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={2:0}] [L1232] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={2:0}, B_mutex={3:0}] [L1245] 0 pthread_t t1; VAL [A={0:0}, A_mutex={2:0}, B_mutex={3:0}, t1={13:0}] [L1246] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={0:0}, A_mutex={2:0}, B_mutex={3:0}, malloc(sizeof(struct s))={-2:0}, p={-2:0}, t1={13:0}] [L1247] CALL 0 init(p,9) [L1228] 0 p -> datum = x VAL [\old(x)=9, A={0:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, p={-2:0}, x=9] [L1229] 0 p -> next = ((void *)0) VAL [\old(x)=9, A={0:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, p={-2:0}, x=9] [L1247] RET 0 init(p,9) [L1248] 0 A = malloc(sizeof(struct s)) VAL [A={11:0}, A = malloc(sizeof(struct s))=112, A_mutex={2:0}, B_mutex={3:0}, malloc(sizeof(struct s))={11:0}, p={-2:0}, t1={13:0}] [L1249] 0 init(A,3) VAL [A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1249] CALL 0 init(A,3) [L1228] 0 p -> datum = x VAL [\old(x)=3, A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={11:0}, p={11:0}, x=3] [L1229] 0 p -> next = ((void *)0) VAL [\old(x)=3, A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={11:0}, p={11:0}, x=3] [L1249] RET 0 init(A,3) [L1250] EXPR 0 A->next VAL [A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1250] 0 A->next = p VAL [A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1251] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={13:0}] [L1234] 1 struct s *p = malloc(sizeof(struct s)); VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, malloc(sizeof(struct s))={-3:0}, p={-3:0}] [L1235] 1 struct s *t; VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}] [L1236] CALL 1 init(p,7) [L1228] 1 p -> datum = x VAL [\old(x)=3, \old(x)=7, A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-3:0}, p={-3:0}, p={11:0}, p={11:0}, x=7, x=3] [L1253] EXPR 0 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1253] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1229] 1 p -> next = ((void *)0) VAL [\old(x)=3, \old(x)=7, A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-3:0}, p={11:0}, p={-3:0}, p={11:0}, x=3, x=7] [L1236] RET 1 init(p,7) [L1238] EXPR 1 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}] [L1238] 1 t = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}, t={-2:0}] [L1239] EXPR 1 A->next VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}, t={-2:0}] [L1239] 1 A->next = p VAL [A={11:0}, A->next = p=118, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}, t={-2:0}] [L1253] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: p -> datum = x [1228] * C: A->next = p [1239] * C: p -> next = ((void *)0) [1229] * C: A->next = p [1250] * C: p -> datum = x [1228] * C: A->next = p [1250] * C: A->next = p [1250] * C: p -> next = ((void *)0) [1229] * C: p -> datum = x [1228] * C: A = malloc(sizeof(struct s)) [1248] * C: p -> next = ((void *)0) [1229] * C: p -> datum = x [1228] * C: p -> next = ((void *)0) [1229] * C: A->next = p [1250] and C: p = A->next [1253] - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1249]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1253]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 277 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 396.3s, OverallIterations: 174, TraceHistogramMax: 1, PathProgramHistogramMax: 48, EmptinessCheckTime: 0.3s, AutomataDifference: 341.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206972 SdHoareTripleChecker+Valid, 215.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206972 mSDsluCounter, 616095 SdHoareTripleChecker+Invalid, 178.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 559405 mSDsCounter, 34087 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 499518 IncrementalHoareTripleChecker+Invalid, 533605 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34087 mSolverCounterUnsat, 57217 mSDtfsCounter, 499518 mSolverCounterSat, 1.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10549 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 10258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204346 ImplicationChecksByTransitivity, 136.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3340occurred in iteration=85, InterpolantAutomatonStates: 8795, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.2s AutomataMinimizationTime, 173 MinimizatonAttempts, 368922 StatesRemovedByMinimization, 168 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 42.0s InterpolantComputationTime, 22859 NumberOfCodeBlocks, 22859 NumberOfCodeBlocksAsserted, 174 NumberOfCheckSat, 22531 ConstructedInterpolants, 0 QuantifiedInterpolants, 208059 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 173 InterpolantComputations, 173 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-01 16:56:34,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...