/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/weaver/mult-dist.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:09:31,215 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:09:31,297 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 [2021-10-19 14:09:31,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:09:31,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:09:31,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:09:31,319 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:09:31,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:09:31,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:09:31,320 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:09:31,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:09:31,320 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:09:31,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:09:31,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:09:31,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:09:31,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:09:31,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:09:31,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:09:31,321 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:09:31,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:09:31,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:09:31,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:09:31,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:09:31,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:09:31,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:09:31,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:09:31,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:09:31,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:09:31,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:09:31,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:09:31,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:09:31,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:09:31,322 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:09:31,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:09:31,323 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:09:31,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:09:31,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:09:31,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:09:31,537 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:09:31,538 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:09:31,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c [2021-10-19 14:09:31,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd8189c7/3144109c34334265a0bc0163b05545db/FLAGcb0d1146b [2021-10-19 14:09:31,882 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:09:31,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c [2021-10-19 14:09:31,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd8189c7/3144109c34334265a0bc0163b05545db/FLAGcb0d1146b [2021-10-19 14:09:32,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd8189c7/3144109c34334265a0bc0163b05545db [2021-10-19 14:09:32,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:09:32,320 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:09:32,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:09:32,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:09:32,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:09:32,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa767e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32, skipping insertion in model container [2021-10-19 14:09:32,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:09:32,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:09:32,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c[2116,2129] [2021-10-19 14:09:32,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:09:32,666 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:09:32,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c[2116,2129] [2021-10-19 14:09:32,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:09:32,729 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:09:32,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32 WrapperNode [2021-10-19 14:09:32,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:09:32,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:09:32,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:09:32,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:09:32,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:09:32,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:09:32,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:09:32,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:09:32,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:09:32,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:09:32,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:09:32,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:09:32,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (1/1) ... [2021-10-19 14:09:32,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:09:32,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:09:32,904 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) [2021-10-19 14:09:32,913 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 [2021-10-19 14:09:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-19 14:09:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-19 14:09:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-19 14:09:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-19 14:09:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-19 14:09:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-19 14:09:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:09:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:09:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:09:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:09:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:09:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:09:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:09:32,971 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:09:33,330 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:09:33,330 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-19 14:09:33,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:09:33 BoogieIcfgContainer [2021-10-19 14:09:33,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:09:33,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:09:33,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:09:33,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:09:33,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:09:32" (1/3) ... [2021-10-19 14:09:33,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24330f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:09:33, skipping insertion in model container [2021-10-19 14:09:33,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:09:32" (2/3) ... [2021-10-19 14:09:33,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24330f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:09:33, skipping insertion in model container [2021-10-19 14:09:33,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:09:33" (3/3) ... [2021-10-19 14:09:33,337 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2021-10-19 14:09:33,340 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:09:33,340 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:09:33,340 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2021-10-19 14:09:33,340 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:09:33,362 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,362 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,362 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,362 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,363 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,363 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,363 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,363 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,363 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,363 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,364 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,364 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,364 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,364 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,364 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,364 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,364 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,364 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,364 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,364 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,365 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,365 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,365 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,365 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,365 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,365 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,365 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,365 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,367 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,367 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,368 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,368 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,368 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,368 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,368 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,368 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,368 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,368 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,369 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,369 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,369 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,370 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,370 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,370 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,370 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,370 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,370 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,370 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,370 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,371 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,372 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,372 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,373 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,373 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,373 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,373 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,373 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,373 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,373 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,374 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,374 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,374 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,374 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,374 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,374 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,374 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,374 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,375 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,375 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,375 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,375 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,375 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,375 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,375 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,375 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,375 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,375 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,376 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,376 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,376 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,378 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,378 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,378 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,378 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,379 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,382 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,382 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,382 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,382 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,382 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,383 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,383 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,383 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,383 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,383 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:09:33,388 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-19 14:09:33,414 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:09:33,418 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-19 14:09:33,418 INFO L340 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2021-10-19 14:09:33,427 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 190 places, 187 transitions, 398 flow [2021-10-19 14:09:37,310 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 146521 states, 146180 states have (on average 3.9735463127650843) internal successors, (580853), 146520 states have internal predecessors, (580853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:09:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 146521 states, 146180 states have (on average 3.9735463127650843) internal successors, (580853), 146520 states have internal predecessors, (580853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:09:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-19 14:09:37,602 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:09:37,603 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:09:37,603 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:09:37,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:09:37,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1871031181, now seen corresponding path program 1 times [2021-10-19 14:09:37,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:09:37,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203476785] [2021-10-19 14:09:37,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:09:37,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:09:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:09:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:09:37,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:09:37,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203476785] [2021-10-19 14:09:37,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203476785] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:09:37,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:09:37,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:09:37,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629421229] [2021-10-19 14:09:37,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:09:37,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:09:37,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:09:37,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:09:38,360 INFO L87 Difference]: Start difference. First operand has 146521 states, 146180 states have (on average 3.9735463127650843) internal successors, (580853), 146520 states have internal predecessors, (580853), 0 states have call successors, (0), 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 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:09:40,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:09:40,763 INFO L93 Difference]: Finished difference Result 146520 states and 562870 transitions. [2021-10-19 14:09:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:09:40,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-19 14:09:40,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:09:42,472 INFO L225 Difference]: With dead ends: 146520 [2021-10-19 14:09:42,472 INFO L226 Difference]: Without dead ends: 146520 [2021-10-19 14:09:42,477 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:09:42,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146520 states. [2021-10-19 14:09:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146520 to 146520. [2021-10-19 14:09:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146520 states, 146180 states have (on average 3.8505267478451226) internal successors, (562870), 146519 states have internal predecessors, (562870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:09:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146520 states to 146520 states and 562870 transitions. [2021-10-19 14:09:51,109 INFO L78 Accepts]: Start accepts. Automaton has 146520 states and 562870 transitions. Word has length 22 [2021-10-19 14:09:51,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:09:51,110 INFO L470 AbstractCegarLoop]: Abstraction has 146520 states and 562870 transitions. [2021-10-19 14:09:51,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:09:51,111 INFO L276 IsEmpty]: Start isEmpty. Operand 146520 states and 562870 transitions. [2021-10-19 14:09:51,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-19 14:09:51,114 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:09:51,114 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:09:51,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:09:51,114 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:09:51,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:09:51,122 INFO L82 PathProgramCache]: Analyzing trace with hash -85423415, now seen corresponding path program 1 times [2021-10-19 14:09:51,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:09:51,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887791010] [2021-10-19 14:09:51,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:09:51,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:09:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:09:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:09:51,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:09:51,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887791010] [2021-10-19 14:09:51,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887791010] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:09:51,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:09:51,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:09:51,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008354182] [2021-10-19 14:09:51,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:09:51,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:09:51,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:09:51,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:09:51,228 INFO L87 Difference]: Start difference. First operand 146520 states and 562870 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:09:54,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:09:54,109 INFO L93 Difference]: Finished difference Result 146519 states and 562869 transitions. [2021-10-19 14:09:54,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:09:54,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-19 14:09:54,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:09:56,626 INFO L225 Difference]: With dead ends: 146519 [2021-10-19 14:09:56,626 INFO L226 Difference]: Without dead ends: 146519 [2021-10-19 14:09:56,633 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:09:57,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146519 states. [2021-10-19 14:10:03,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146519 to 146519. [2021-10-19 14:10:04,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146519 states, 146180 states have (on average 3.850519906964017) internal successors, (562869), 146518 states have internal predecessors, (562869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146519 states to 146519 states and 562869 transitions. [2021-10-19 14:10:05,979 INFO L78 Accepts]: Start accepts. Automaton has 146519 states and 562869 transitions. Word has length 28 [2021-10-19 14:10:05,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:10:05,980 INFO L470 AbstractCegarLoop]: Abstraction has 146519 states and 562869 transitions. [2021-10-19 14:10:05,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 146519 states and 562869 transitions. [2021-10-19 14:10:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-19 14:10:05,981 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:10:05,982 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:10:05,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:10:06,000 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:10:06,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:10:06,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1998371614, now seen corresponding path program 1 times [2021-10-19 14:10:06,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:10:06,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398264173] [2021-10-19 14:10:06,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:10:06,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:10:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:10:06,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:10:06,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:10:06,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398264173] [2021-10-19 14:10:06,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398264173] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:10:06,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:10:06,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:10:06,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505637668] [2021-10-19 14:10:06,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:10:06,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:10:06,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:10:06,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:10:06,089 INFO L87 Difference]: Start difference. First operand 146519 states and 562869 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:08,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:10:08,971 INFO L93 Difference]: Finished difference Result 146518 states and 562868 transitions. [2021-10-19 14:10:08,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:10:08,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-19 14:10:08,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:10:11,546 INFO L225 Difference]: With dead ends: 146518 [2021-10-19 14:10:11,549 INFO L226 Difference]: Without dead ends: 146518 [2021-10-19 14:10:11,550 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:10:11,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146518 states. [2021-10-19 14:10:18,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146518 to 146518. [2021-10-19 14:10:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146518 states, 146180 states have (on average 3.8505130660829114) internal successors, (562868), 146517 states have internal predecessors, (562868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:21,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146518 states to 146518 states and 562868 transitions. [2021-10-19 14:10:21,540 INFO L78 Accepts]: Start accepts. Automaton has 146518 states and 562868 transitions. Word has length 34 [2021-10-19 14:10:21,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:10:21,540 INFO L470 AbstractCegarLoop]: Abstraction has 146518 states and 562868 transitions. [2021-10-19 14:10:21,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand 146518 states and 562868 transitions. [2021-10-19 14:10:21,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-19 14:10:21,547 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:10:21,548 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:10:21,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:10:21,548 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:10:21,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:10:21,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1780292892, now seen corresponding path program 1 times [2021-10-19 14:10:21,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:10:21,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218143528] [2021-10-19 14:10:21,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:10:21,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:10:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:10:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:10:21,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:10:21,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218143528] [2021-10-19 14:10:21,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218143528] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:10:21,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:10:21,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:10:21,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371018504] [2021-10-19 14:10:21,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:10:21,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:10:21,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:10:21,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:10:21,662 INFO L87 Difference]: Start difference. First operand 146518 states and 562868 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:24,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:10:24,067 INFO L93 Difference]: Finished difference Result 135952 states and 521864 transitions. [2021-10-19 14:10:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:10:24,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-10-19 14:10:24,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:10:25,378 INFO L225 Difference]: With dead ends: 135952 [2021-10-19 14:10:25,378 INFO L226 Difference]: Without dead ends: 135952 [2021-10-19 14:10:25,379 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:10:26,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135952 states. [2021-10-19 14:10:30,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135952 to 135118. [2021-10-19 14:10:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135118 states, 134886 states have (on average 3.8458179499725693) internal successors, (518747), 135117 states have internal predecessors, (518747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:32,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135118 states to 135118 states and 518747 transitions. [2021-10-19 14:10:32,789 INFO L78 Accepts]: Start accepts. Automaton has 135118 states and 518747 transitions. Word has length 43 [2021-10-19 14:10:32,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:10:32,790 INFO L470 AbstractCegarLoop]: Abstraction has 135118 states and 518747 transitions. [2021-10-19 14:10:32,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:32,790 INFO L276 IsEmpty]: Start isEmpty. Operand 135118 states and 518747 transitions. [2021-10-19 14:10:32,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-19 14:10:32,790 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:10:32,791 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:10:32,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:10:32,791 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:10:32,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:10:32,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1846027732, now seen corresponding path program 1 times [2021-10-19 14:10:32,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:10:32,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110303931] [2021-10-19 14:10:32,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:10:32,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:10:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:10:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:10:32,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:10:32,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110303931] [2021-10-19 14:10:32,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110303931] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:10:32,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:10:32,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:10:32,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250618118] [2021-10-19 14:10:32,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:10:32,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:10:32,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:10:32,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:10:32,818 INFO L87 Difference]: Start difference. First operand 135118 states and 518747 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:34,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:10:34,066 INFO L93 Difference]: Finished difference Result 129223 states and 495895 transitions. [2021-10-19 14:10:34,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:10:34,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-10-19 14:10:34,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:10:35,579 INFO L225 Difference]: With dead ends: 129223 [2021-10-19 14:10:35,580 INFO L226 Difference]: Without dead ends: 129223 [2021-10-19 14:10:35,580 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:10:35,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129223 states. [2021-10-19 14:10:41,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129223 to 129223. [2021-10-19 14:10:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129223 states, 129042 states have (on average 3.8428961113435935) internal successors, (495895), 129222 states have internal predecessors, (495895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129223 states to 129223 states and 495895 transitions. [2021-10-19 14:10:43,230 INFO L78 Accepts]: Start accepts. Automaton has 129223 states and 495895 transitions. Word has length 46 [2021-10-19 14:10:43,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:10:43,230 INFO L470 AbstractCegarLoop]: Abstraction has 129223 states and 495895 transitions. [2021-10-19 14:10:43,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:43,231 INFO L276 IsEmpty]: Start isEmpty. Operand 129223 states and 495895 transitions. [2021-10-19 14:10:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-19 14:10:43,235 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:10:43,235 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:10:43,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:10:43,237 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:10:43,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:10:43,237 INFO L82 PathProgramCache]: Analyzing trace with hash 211171382, now seen corresponding path program 1 times [2021-10-19 14:10:43,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:10:43,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735274692] [2021-10-19 14:10:43,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:10:43,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:10:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:10:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:10:43,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:10:43,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735274692] [2021-10-19 14:10:43,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735274692] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:10:43,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:10:43,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:10:43,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385646651] [2021-10-19 14:10:43,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:10:43,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:10:43,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:10:43,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:10:43,336 INFO L87 Difference]: Start difference. First operand 129223 states and 495895 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:45,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:10:45,300 INFO L93 Difference]: Finished difference Result 132582 states and 507265 transitions. [2021-10-19 14:10:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:10:45,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-10-19 14:10:45,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:10:47,458 INFO L225 Difference]: With dead ends: 132582 [2021-10-19 14:10:47,462 INFO L226 Difference]: Without dead ends: 132582 [2021-10-19 14:10:47,462 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:10:47,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132582 states. [2021-10-19 14:10:54,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132582 to 113377. [2021-10-19 14:10:54,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113377 states, 113292 states have (on average 3.8373141969424145) internal successors, (434737), 113376 states have internal predecessors, (434737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:55,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113377 states to 113377 states and 434737 transitions. [2021-10-19 14:10:55,359 INFO L78 Accepts]: Start accepts. Automaton has 113377 states and 434737 transitions. Word has length 48 [2021-10-19 14:10:55,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:10:55,360 INFO L470 AbstractCegarLoop]: Abstraction has 113377 states and 434737 transitions. [2021-10-19 14:10:55,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 113377 states and 434737 transitions. [2021-10-19 14:10:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-19 14:10:55,363 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:10:55,364 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:10:55,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:10:55,365 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:10:55,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:10:55,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1984287350, now seen corresponding path program 1 times [2021-10-19 14:10:55,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:10:55,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438393503] [2021-10-19 14:10:55,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:10:55,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:10:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:10:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:10:55,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:10:55,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438393503] [2021-10-19 14:10:55,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438393503] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:10:55,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:10:55,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:10:55,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116196586] [2021-10-19 14:10:55,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:10:55,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:10:55,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:10:55,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:10:55,440 INFO L87 Difference]: Start difference. First operand 113377 states and 434737 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:10:56,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:10:56,480 INFO L93 Difference]: Finished difference Result 105426 states and 404053 transitions. [2021-10-19 14:10:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:10:56,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-19 14:10:56,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:10:57,521 INFO L225 Difference]: With dead ends: 105426 [2021-10-19 14:10:57,521 INFO L226 Difference]: Without dead ends: 105426 [2021-10-19 14:10:57,521 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:10:58,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105426 states. [2021-10-19 14:11:01,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105426 to 103843. [2021-10-19 14:11:01,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103843 states, 103794 states have (on average 3.8349422895350407) internal successors, (398044), 103842 states have internal predecessors, (398044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:02,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103843 states to 103843 states and 398044 transitions. [2021-10-19 14:11:02,989 INFO L78 Accepts]: Start accepts. Automaton has 103843 states and 398044 transitions. Word has length 49 [2021-10-19 14:11:02,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:02,995 INFO L470 AbstractCegarLoop]: Abstraction has 103843 states and 398044 transitions. [2021-10-19 14:11:02,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 103843 states and 398044 transitions. [2021-10-19 14:11:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-19 14:11:02,996 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:02,996 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:02,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:11:02,997 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:11:02,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:02,997 INFO L82 PathProgramCache]: Analyzing trace with hash -360402759, now seen corresponding path program 1 times [2021-10-19 14:11:02,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:02,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813758118] [2021-10-19 14:11:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:02,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:03,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:03,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813758118] [2021-10-19 14:11:03,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813758118] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:03,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:03,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:03,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118934816] [2021-10-19 14:11:03,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:03,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:03,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:03,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:03,085 INFO L87 Difference]: Start difference. First operand 103843 states and 398044 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 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) [2021-10-19 14:11:04,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:04,719 INFO L93 Difference]: Finished difference Result 98881 states and 378817 transitions. [2021-10-19 14:11:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:04,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 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 [2021-10-19 14:11:04,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:05,640 INFO L225 Difference]: With dead ends: 98881 [2021-10-19 14:11:05,641 INFO L226 Difference]: Without dead ends: 98881 [2021-10-19 14:11:05,641 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:05,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98881 states. [2021-10-19 14:11:09,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98881 to 98881. [2021-10-19 14:11:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98881 states, 98850 states have (on average 3.8322407688416793) internal successors, (378817), 98880 states have internal predecessors, (378817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98881 states to 98881 states and 378817 transitions. [2021-10-19 14:11:11,236 INFO L78 Accepts]: Start accepts. Automaton has 98881 states and 378817 transitions. Word has length 52 [2021-10-19 14:11:11,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:11,236 INFO L470 AbstractCegarLoop]: Abstraction has 98881 states and 378817 transitions. [2021-10-19 14:11:11,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 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) [2021-10-19 14:11:11,236 INFO L276 IsEmpty]: Start isEmpty. Operand 98881 states and 378817 transitions. [2021-10-19 14:11:11,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-19 14:11:11,237 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:11,237 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:11,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:11:11,237 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:11:11,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:11,238 INFO L82 PathProgramCache]: Analyzing trace with hash -2024959462, now seen corresponding path program 1 times [2021-10-19 14:11:11,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:11,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691931214] [2021-10-19 14:11:11,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:11,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:11,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:11,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691931214] [2021-10-19 14:11:11,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691931214] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:11,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:11,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:11,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892121646] [2021-10-19 14:11:11,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:11,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:11,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:11,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:11,323 INFO L87 Difference]: Start difference. First operand 98881 states and 378817 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 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) [2021-10-19 14:11:13,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:13,429 INFO L93 Difference]: Finished difference Result 94189 states and 360810 transitions. [2021-10-19 14:11:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:13,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 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 [2021-10-19 14:11:13,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:15,006 INFO L225 Difference]: With dead ends: 94189 [2021-10-19 14:11:15,007 INFO L226 Difference]: Without dead ends: 94189 [2021-10-19 14:11:15,026 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:16,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94189 states. [2021-10-19 14:11:18,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94189 to 94189. [2021-10-19 14:11:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94189 states, 94168 states have (on average 3.831556367343471) internal successors, (360810), 94188 states have internal predecessors, (360810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94189 states to 94189 states and 360810 transitions. [2021-10-19 14:11:19,609 INFO L78 Accepts]: Start accepts. Automaton has 94189 states and 360810 transitions. Word has length 52 [2021-10-19 14:11:19,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:19,609 INFO L470 AbstractCegarLoop]: Abstraction has 94189 states and 360810 transitions. [2021-10-19 14:11:19,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 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) [2021-10-19 14:11:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 94189 states and 360810 transitions. [2021-10-19 14:11:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-19 14:11:19,612 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:19,612 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:19,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:11:19,613 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:11:19,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:19,613 INFO L82 PathProgramCache]: Analyzing trace with hash -28370561, now seen corresponding path program 1 times [2021-10-19 14:11:19,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:19,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630660306] [2021-10-19 14:11:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:19,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:19,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:19,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630660306] [2021-10-19 14:11:19,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630660306] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:19,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:19,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:19,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897991026] [2021-10-19 14:11:19,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:19,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:19,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:19,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:19,638 INFO L87 Difference]: Start difference. First operand 94189 states and 360810 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:20,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:20,896 INFO L93 Difference]: Finished difference Result 89498 states and 342804 transitions. [2021-10-19 14:11:20,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:20,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-19 14:11:20,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:21,946 INFO L225 Difference]: With dead ends: 89498 [2021-10-19 14:11:21,947 INFO L226 Difference]: Without dead ends: 89498 [2021-10-19 14:11:21,962 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:22,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89498 states. [2021-10-19 14:11:24,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89498 to 89498. [2021-10-19 14:11:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89498 states, 89486 states have (on average 3.8308115235902824) internal successors, (342804), 89497 states have internal predecessors, (342804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89498 states to 89498 states and 342804 transitions. [2021-10-19 14:11:26,141 INFO L78 Accepts]: Start accepts. Automaton has 89498 states and 342804 transitions. Word has length 58 [2021-10-19 14:11:26,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:26,141 INFO L470 AbstractCegarLoop]: Abstraction has 89498 states and 342804 transitions. [2021-10-19 14:11:26,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 89498 states and 342804 transitions. [2021-10-19 14:11:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-19 14:11:26,177 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:26,178 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:26,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:11:26,179 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:11:26,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:26,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1375371355, now seen corresponding path program 1 times [2021-10-19 14:11:26,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:26,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600501986] [2021-10-19 14:11:26,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:26,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:26,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:26,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600501986] [2021-10-19 14:11:26,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600501986] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:26,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:26,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:11:26,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796944313] [2021-10-19 14:11:26,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:11:26,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:26,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:11:26,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:11:26,373 INFO L87 Difference]: Start difference. First operand 89498 states and 342804 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:28,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:28,035 INFO L93 Difference]: Finished difference Result 81195 states and 309592 transitions. [2021-10-19 14:11:28,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:11:28,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-19 14:11:28,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:28,479 INFO L225 Difference]: With dead ends: 81195 [2021-10-19 14:11:28,479 INFO L226 Difference]: Without dead ends: 81195 [2021-10-19 14:11:28,479 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.4ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:11:29,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81195 states. [2021-10-19 14:11:31,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81195 to 81195. [2021-10-19 14:11:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81195 states, 81186 states have (on average 3.8133668366467126) internal successors, (309592), 81194 states have internal predecessors, (309592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:32,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81195 states to 81195 states and 309592 transitions. [2021-10-19 14:11:32,847 INFO L78 Accepts]: Start accepts. Automaton has 81195 states and 309592 transitions. Word has length 60 [2021-10-19 14:11:32,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:32,847 INFO L470 AbstractCegarLoop]: Abstraction has 81195 states and 309592 transitions. [2021-10-19 14:11:32,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 81195 states and 309592 transitions. [2021-10-19 14:11:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-19 14:11:32,874 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:32,874 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:32,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:11:32,875 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:11:32,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:32,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1290016458, now seen corresponding path program 1 times [2021-10-19 14:11:32,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:32,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474636579] [2021-10-19 14:11:32,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:32,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:32,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:32,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:32,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474636579] [2021-10-19 14:11:32,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474636579] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:32,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:32,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:32,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147965190] [2021-10-19 14:11:32,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:32,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:32,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:32,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:32,969 INFO L87 Difference]: Start difference. First operand 81195 states and 309592 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:34,277 INFO L93 Difference]: Finished difference Result 77765 states and 296425 transitions. [2021-10-19 14:11:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:34,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-19 14:11:34,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:34,863 INFO L225 Difference]: With dead ends: 77765 [2021-10-19 14:11:34,863 INFO L226 Difference]: Without dead ends: 77755 [2021-10-19 14:11:34,867 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:35,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77755 states. [2021-10-19 14:11:37,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77755 to 77755. [2021-10-19 14:11:37,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77755 states, 77750 states have (on average 3.8123729903536976) internal successors, (296412), 77754 states have internal predecessors, (296412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:38,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77755 states to 77755 states and 296412 transitions. [2021-10-19 14:11:38,558 INFO L78 Accepts]: Start accepts. Automaton has 77755 states and 296412 transitions. Word has length 60 [2021-10-19 14:11:38,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:38,558 INFO L470 AbstractCegarLoop]: Abstraction has 77755 states and 296412 transitions. [2021-10-19 14:11:38,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:38,559 INFO L276 IsEmpty]: Start isEmpty. Operand 77755 states and 296412 transitions. [2021-10-19 14:11:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-19 14:11:38,594 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:38,594 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:38,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:11:38,594 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:11:38,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:38,594 INFO L82 PathProgramCache]: Analyzing trace with hash -829772357, now seen corresponding path program 1 times [2021-10-19 14:11:38,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:38,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926334031] [2021-10-19 14:11:38,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:38,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:38,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:38,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:38,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926334031] [2021-10-19 14:11:38,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926334031] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:38,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:38,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:38,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521740770] [2021-10-19 14:11:38,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:38,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:38,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:38,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:38,664 INFO L87 Difference]: Start difference. First operand 77755 states and 296412 transitions. Second operand has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:40,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:40,545 INFO L93 Difference]: Finished difference Result 74326 states and 283246 transitions. [2021-10-19 14:11:40,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:40,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-10-19 14:11:40,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:41,635 INFO L225 Difference]: With dead ends: 74326 [2021-10-19 14:11:41,636 INFO L226 Difference]: Without dead ends: 74308 [2021-10-19 14:11:41,636 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:42,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74308 states. [2021-10-19 14:11:46,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74308 to 74308. [2021-10-19 14:11:46,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74308 states, 74306 states have (on average 3.8114015018975587) internal successors, (283210), 74307 states have internal predecessors, (283210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:47,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74308 states to 74308 states and 283210 transitions. [2021-10-19 14:11:47,405 INFO L78 Accepts]: Start accepts. Automaton has 74308 states and 283210 transitions. Word has length 66 [2021-10-19 14:11:47,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:47,406 INFO L470 AbstractCegarLoop]: Abstraction has 74308 states and 283210 transitions. [2021-10-19 14:11:47,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 74308 states and 283210 transitions. [2021-10-19 14:11:47,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-19 14:11:47,501 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:47,501 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:47,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-19 14:11:47,502 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:11:47,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:47,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1973232812, now seen corresponding path program 1 times [2021-10-19 14:11:47,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:47,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16185780] [2021-10-19 14:11:47,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:47,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:47,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:47,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:47,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16185780] [2021-10-19 14:11:47,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16185780] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:47,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:47,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:11:47,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505079298] [2021-10-19 14:11:47,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:11:47,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:47,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:11:47,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:11:47,696 INFO L87 Difference]: Start difference. First operand 74308 states and 283210 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:49,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:49,064 INFO L93 Difference]: Finished difference Result 73909 states and 282013 transitions. [2021-10-19 14:11:49,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:11:49,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-19 14:11:49,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:49,650 INFO L225 Difference]: With dead ends: 73909 [2021-10-19 14:11:49,650 INFO L226 Difference]: Without dead ends: 73909 [2021-10-19 14:11:49,651 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.7ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:11:50,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73909 states. [2021-10-19 14:11:52,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73909 to 73909. [2021-10-19 14:11:52,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73909 states, 73908 states have (on average 3.8157303674838987) internal successors, (282013), 73908 states have internal predecessors, (282013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73909 states to 73909 states and 282013 transitions. [2021-10-19 14:11:53,413 INFO L78 Accepts]: Start accepts. Automaton has 73909 states and 282013 transitions. Word has length 74 [2021-10-19 14:11:53,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:53,413 INFO L470 AbstractCegarLoop]: Abstraction has 73909 states and 282013 transitions. [2021-10-19 14:11:53,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 73909 states and 282013 transitions. [2021-10-19 14:11:53,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-19 14:11:53,666 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:53,666 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:53,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-19 14:11:53,669 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-10-19 14:11:53,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:53,669 INFO L82 PathProgramCache]: Analyzing trace with hash -3944438, now seen corresponding path program 1 times [2021-10-19 14:11:53,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:53,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815069509] [2021-10-19 14:11:53,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:53,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:54,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:54,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815069509] [2021-10-19 14:11:54,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815069509] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:54,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:54,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:11:54,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384021077] [2021-10-19 14:11:54,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:11:54,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:54,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:11:54,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:11:54,275 INFO L87 Difference]: Start difference. First operand 73909 states and 282013 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:54,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:54,744 INFO L93 Difference]: Finished difference Result 73888 states and 281971 transitions. [2021-10-19 14:11:54,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:11:54,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-10-19 14:11:54,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:54,744 INFO L225 Difference]: With dead ends: 73888 [2021-10-19 14:11:54,744 INFO L226 Difference]: Without dead ends: 0 [2021-10-19 14:11:54,745 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 492.0ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:11:54,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-19 14:11:54,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-19 14:11:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-19 14:11:54,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2021-10-19 14:11:54,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:54,745 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-19 14:11:54,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-19 14:11:54,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-19 14:11:54,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:54,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-19 14:11:54,755 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:11:54,755 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:11:54,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:11:54 BasicIcfg [2021-10-19 14:11:54,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:11:54,758 INFO L168 Benchmark]: Toolchain (without parser) took 142437.04 ms. Allocated memory was 222.3 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 169.0 MB in the beginning and 5.5 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 8.0 GB. [2021-10-19 14:11:54,758 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 222.3 MB. Free memory was 185.0 MB in the beginning and 184.9 MB in the end (delta: 66.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:11:54,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.32 ms. Allocated memory is still 222.3 MB. Free memory was 198.4 MB in the beginning and 193.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. [2021-10-19 14:11:54,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.00 ms. Allocated memory is still 222.3 MB. Free memory was 193.8 MB in the beginning and 192.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:11:54,758 INFO L168 Benchmark]: Boogie Preprocessor took 54.51 ms. Allocated memory is still 222.3 MB. Free memory was 192.1 MB in the beginning and 190.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:11:54,759 INFO L168 Benchmark]: RCFGBuilder took 468.78 ms. Allocated memory is still 222.3 MB. Free memory was 190.4 MB in the beginning and 175.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:11:54,759 INFO L168 Benchmark]: TraceAbstraction took 141424.03 ms. Allocated memory was 222.3 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 174.6 MB in the beginning and 5.5 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 8.0 GB. [2021-10-19 14:11:54,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 222.3 MB. Free memory was 185.0 MB in the beginning and 184.9 MB in the end (delta: 66.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 357.32 ms. Allocated memory is still 222.3 MB. Free memory was 198.4 MB in the beginning and 193.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 77.00 ms. Allocated memory is still 222.3 MB. Free memory was 193.8 MB in the beginning and 192.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 54.51 ms. Allocated memory is still 222.3 MB. Free memory was 192.1 MB in the beginning and 190.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 468.78 ms. Allocated memory is still 222.3 MB. Free memory was 190.4 MB in the beginning and 175.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 141424.03 ms. Allocated memory was 222.3 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 174.6 MB in the beginning and 5.5 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 256 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 141339.7ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 742.9ms, AutomataDifference: 46288.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3909.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3272 SDtfs, 1315 SDslu, 2619 SDs, 0 SdLazy, 167 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 273.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 602.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=146521occurred in iteration=0, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 88326.6ms AutomataMinimizationTime, 15 MinimizatonAttempts, 21622 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 78.2ms SsaConstructionTime, 274.9ms SatisfiabilityAnalysisTime, 1314.4ms InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 765 ConstructedInterpolants, 0 QuantifiedInterpolants, 1122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:11:54,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...