/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_04-munge_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-aed12abd52951161f3584c1e4a16827ff4d06934-aed12ab [2021-10-14 11:54:32,491 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-14 11:54:32,572 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 [2021-10-14 11:54:32,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-14 11:54:32,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-14 11:54:32,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-14 11:54:32,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-14 11:54:32,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-14 11:54:32,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-14 11:54:32,586 INFO L138 SettingsManager]: * Use SBE=true [2021-10-14 11:54:32,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-14 11:54:32,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-14 11:54:32,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-14 11:54:32,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-14 11:54:32,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-14 11:54:32,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-14 11:54:32,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-14 11:54:32,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-14 11:54:32,607 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-14 11:54:32,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-14 11:54:32,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-14 11:54:32,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-14 11:54:32,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-14 11:54:32,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-14 11:54:32,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-14 11:54:32,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-14 11:54:32,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 11:54:32,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-14 11:54:32,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-14 11:54:32,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-14 11:54:32,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-14 11:54:32,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-14 11:54:32,608 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-14 11:54:32,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-14 11:54:32,609 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-14 11:54:32,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-14 11:54:32,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-14 11:54:32,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-14 11:54:32,816 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-14 11:54:32,817 INFO L275 PluginConnector]: CDTParser initialized [2021-10-14 11:54:32,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_04-munge_nr.i [2021-10-14 11:54:32,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5efe69899/84fe99ade45c4a8b8664d9bda53b12a0/FLAG31cda5904 [2021-10-14 11:54:33,241 INFO L306 CDTParser]: Found 1 translation units. [2021-10-14 11:54:33,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_04-munge_nr.i [2021-10-14 11:54:33,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5efe69899/84fe99ade45c4a8b8664d9bda53b12a0/FLAG31cda5904 [2021-10-14 11:54:33,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5efe69899/84fe99ade45c4a8b8664d9bda53b12a0 [2021-10-14 11:54:33,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-14 11:54:33,267 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-14 11:54:33,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-14 11:54:33,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-14 11:54:33,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-14 11:54:33,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2736ba42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33, skipping insertion in model container [2021-10-14 11:54:33,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-14 11:54:33,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-14 11:54:33,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 11:54:33,635 INFO L203 MainTranslator]: Completed pre-run [2021-10-14 11:54:33,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 11:54:33,701 INFO L208 MainTranslator]: Completed translation [2021-10-14 11:54:33,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33 WrapperNode [2021-10-14 11:54:33,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-14 11:54:33,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-14 11:54:33,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-14 11:54:33,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-14 11:54:33,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-14 11:54:33,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-14 11:54:33,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-14 11:54:33,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-14 11:54:33,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-14 11:54:33,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-14 11:54:33,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-14 11:54:33,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-14 11:54:33,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (1/1) ... [2021-10-14 11:54:33,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 11:54:33,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-14 11:54:33,773 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) [2021-10-14 11:54:33,780 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 [2021-10-14 11:54:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-14 11:54:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-14 11:54:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-14 11:54:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-14 11:54:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-14 11:54:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-14 11:54:33,798 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-14 11:54:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-14 11:54:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-14 11:54:33,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-14 11:54:33,809 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-14 11:54:34,025 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-14 11:54:34,025 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-14 11:54:34,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:54:34 BoogieIcfgContainer [2021-10-14 11:54:34,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-14 11:54:34,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-14 11:54:34,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-14 11:54:34,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-14 11:54:34,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:54:33" (1/3) ... [2021-10-14 11:54:34,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b32848b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:54:34, skipping insertion in model container [2021-10-14 11:54:34,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:54:33" (2/3) ... [2021-10-14 11:54:34,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b32848b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:54:34, skipping insertion in model container [2021-10-14 11:54:34,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:54:34" (3/3) ... [2021-10-14 11:54:34,032 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_04-munge_nr.i [2021-10-14 11:54:34,035 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-14 11:54:34,035 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-14 11:54:34,035 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-14 11:54:34,036 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-14 11:54:34,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,075 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,075 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,078 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,078 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:54:34,099 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-14 11:54:34,134 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-14 11:54:34,139 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 [2021-10-14 11:54:34,140 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-14 11:54:34,152 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 67 transitions, 142 flow [2021-10-14 11:54:34,190 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 413 states, 410 states have (on average 1.8682926829268294) internal successors, (766), 412 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 413 states, 410 states have (on average 1.8682926829268294) internal successors, (766), 412 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-14 11:54:34,205 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:34,206 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:34,207 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:34,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:34,211 INFO L82 PathProgramCache]: Analyzing trace with hash -791740060, now seen corresponding path program 1 times [2021-10-14 11:54:34,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:34,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710843660] [2021-10-14 11:54:34,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:34,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:34,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:34,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710843660] [2021-10-14 11:54:34,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710843660] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:34,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:34,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 11:54:34,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34135485] [2021-10-14 11:54:34,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 11:54:34,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:34,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 11:54:34,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 11:54:34,427 INFO L87 Difference]: Start difference. First operand has 413 states, 410 states have (on average 1.8682926829268294) internal successors, (766), 412 states have internal predecessors, (766), 0 states have call successors, (0), 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 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:34,495 INFO L93 Difference]: Finished difference Result 429 states and 785 transitions. [2021-10-14 11:54:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 11:54:34,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-14 11:54:34,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:34,511 INFO L225 Difference]: With dead ends: 429 [2021-10-14 11:54:34,511 INFO L226 Difference]: Without dead ends: 309 [2021-10-14 11:54:34,513 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 11:54:34,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-14 11:54:34,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 299. [2021-10-14 11:54:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 296 states have (on average 1.8141891891891893) internal successors, (537), 298 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 537 transitions. [2021-10-14 11:54:34,567 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 537 transitions. Word has length 29 [2021-10-14 11:54:34,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:34,567 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 537 transitions. [2021-10-14 11:54:34,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 537 transitions. [2021-10-14 11:54:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-14 11:54:34,570 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:34,570 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:34,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-14 11:54:34,570 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:34,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:34,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1965573328, now seen corresponding path program 1 times [2021-10-14 11:54:34,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:34,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54190432] [2021-10-14 11:54:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:34,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:34,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:34,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54190432] [2021-10-14 11:54:34,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54190432] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:34,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:34,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 11:54:34,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058200677] [2021-10-14 11:54:34,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 11:54:34,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:34,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 11:54:34,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 11:54:34,628 INFO L87 Difference]: Start difference. First operand 299 states and 537 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:34,652 INFO L93 Difference]: Finished difference Result 298 states and 525 transitions. [2021-10-14 11:54:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 11:54:34,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-14 11:54:34,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:34,654 INFO L225 Difference]: With dead ends: 298 [2021-10-14 11:54:34,654 INFO L226 Difference]: Without dead ends: 220 [2021-10-14 11:54:34,654 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 11:54:34,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-10-14 11:54:34,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2021-10-14 11:54:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 218 states have (on average 1.7064220183486238) internal successors, (372), 219 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 372 transitions. [2021-10-14 11:54:34,666 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 372 transitions. Word has length 30 [2021-10-14 11:54:34,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:34,666 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 372 transitions. [2021-10-14 11:54:34,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 372 transitions. [2021-10-14 11:54:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-14 11:54:34,670 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:34,670 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:34,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-14 11:54:34,671 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:34,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:34,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1072574444, now seen corresponding path program 1 times [2021-10-14 11:54:34,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:34,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340279639] [2021-10-14 11:54:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:34,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:34,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:34,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340279639] [2021-10-14 11:54:34,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340279639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:34,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:34,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-14 11:54:34,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575441002] [2021-10-14 11:54:34,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-14 11:54:34,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:34,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-14 11:54:34,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-14 11:54:34,794 INFO L87 Difference]: Start difference. First operand 220 states and 372 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:34,968 INFO L93 Difference]: Finished difference Result 241 states and 404 transitions. [2021-10-14 11:54:34,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:54:34,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-14 11:54:34,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:34,970 INFO L225 Difference]: With dead ends: 241 [2021-10-14 11:54:34,970 INFO L226 Difference]: Without dead ends: 206 [2021-10-14 11:54:34,970 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 112.3ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-10-14 11:54:34,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-14 11:54:34,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2021-10-14 11:54:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 344 transitions. [2021-10-14 11:54:34,977 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 344 transitions. Word has length 38 [2021-10-14 11:54:34,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:34,977 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 344 transitions. [2021-10-14 11:54:34,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 344 transitions. [2021-10-14 11:54:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-14 11:54:34,980 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:34,981 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:34,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-14 11:54:34,981 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:34,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:34,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1756007344, now seen corresponding path program 2 times [2021-10-14 11:54:34,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:34,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030809608] [2021-10-14 11:54:34,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:34,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:35,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:35,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:35,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030809608] [2021-10-14 11:54:35,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030809608] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:35,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:35,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-14 11:54:35,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882272048] [2021-10-14 11:54:35,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-14 11:54:35,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:35,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-14 11:54:35,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-14 11:54:35,045 INFO L87 Difference]: Start difference. First operand 206 states and 344 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:35,195 INFO L93 Difference]: Finished difference Result 340 states and 560 transitions. [2021-10-14 11:54:35,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:54:35,198 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-14 11:54:35,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:35,199 INFO L225 Difference]: With dead ends: 340 [2021-10-14 11:54:35,199 INFO L226 Difference]: Without dead ends: 319 [2021-10-14 11:54:35,200 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 102.4ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-10-14 11:54:35,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-14 11:54:35,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 208. [2021-10-14 11:54:35,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 206 states have (on average 1.6796116504854368) internal successors, (346), 207 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 346 transitions. [2021-10-14 11:54:35,204 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 346 transitions. Word has length 38 [2021-10-14 11:54:35,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:35,204 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 346 transitions. [2021-10-14 11:54:35,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 346 transitions. [2021-10-14 11:54:35,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-14 11:54:35,205 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:35,205 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:35,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-14 11:54:35,205 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:35,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:35,205 INFO L82 PathProgramCache]: Analyzing trace with hash -411981072, now seen corresponding path program 3 times [2021-10-14 11:54:35,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:35,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555841146] [2021-10-14 11:54:35,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:35,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:35,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:35,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555841146] [2021-10-14 11:54:35,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555841146] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:35,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:35,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-14 11:54:35,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719441065] [2021-10-14 11:54:35,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-14 11:54:35,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:35,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-14 11:54:35,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-14 11:54:35,285 INFO L87 Difference]: Start difference. First operand 208 states and 346 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:35,401 INFO L93 Difference]: Finished difference Result 223 states and 360 transitions. [2021-10-14 11:54:35,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-14 11:54:35,401 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-14 11:54:35,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:35,402 INFO L225 Difference]: With dead ends: 223 [2021-10-14 11:54:35,402 INFO L226 Difference]: Without dead ends: 204 [2021-10-14 11:54:35,403 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 83.2ms TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-10-14 11:54:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-10-14 11:54:35,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2021-10-14 11:54:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 202 states have (on average 1.683168316831683) internal successors, (340), 203 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 340 transitions. [2021-10-14 11:54:35,406 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 340 transitions. Word has length 38 [2021-10-14 11:54:35,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:35,406 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 340 transitions. [2021-10-14 11:54:35,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 340 transitions. [2021-10-14 11:54:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-14 11:54:35,407 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:35,407 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:35,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-14 11:54:35,407 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:35,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:35,408 INFO L82 PathProgramCache]: Analyzing trace with hash 48993288, now seen corresponding path program 4 times [2021-10-14 11:54:35,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:35,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104408423] [2021-10-14 11:54:35,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:35,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:35,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:35,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104408423] [2021-10-14 11:54:35,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104408423] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:35,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:35,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-14 11:54:35,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68163002] [2021-10-14 11:54:35,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-14 11:54:35,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:35,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-14 11:54:35,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-14 11:54:35,458 INFO L87 Difference]: Start difference. First operand 204 states and 340 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:35,570 INFO L93 Difference]: Finished difference Result 358 states and 594 transitions. [2021-10-14 11:54:35,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:54:35,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-14 11:54:35,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:35,572 INFO L225 Difference]: With dead ends: 358 [2021-10-14 11:54:35,572 INFO L226 Difference]: Without dead ends: 337 [2021-10-14 11:54:35,572 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 82.4ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-10-14 11:54:35,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-10-14 11:54:35,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 210. [2021-10-14 11:54:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 208 states have (on average 1.6826923076923077) internal successors, (350), 209 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 350 transitions. [2021-10-14 11:54:35,576 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 350 transitions. Word has length 38 [2021-10-14 11:54:35,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:35,576 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 350 transitions. [2021-10-14 11:54:35,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 350 transitions. [2021-10-14 11:54:35,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-14 11:54:35,577 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:35,577 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:35,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-14 11:54:35,577 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:35,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:35,578 INFO L82 PathProgramCache]: Analyzing trace with hash -2118995128, now seen corresponding path program 5 times [2021-10-14 11:54:35,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:35,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572918367] [2021-10-14 11:54:35,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:35,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:35,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:35,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572918367] [2021-10-14 11:54:35,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572918367] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:35,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:35,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-14 11:54:35,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924480079] [2021-10-14 11:54:35,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-14 11:54:35,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:35,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-14 11:54:35,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-14 11:54:35,624 INFO L87 Difference]: Start difference. First operand 210 states and 350 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:35,720 INFO L93 Difference]: Finished difference Result 352 states and 574 transitions. [2021-10-14 11:54:35,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:54:35,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-14 11:54:35,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:35,721 INFO L225 Difference]: With dead ends: 352 [2021-10-14 11:54:35,721 INFO L226 Difference]: Without dead ends: 335 [2021-10-14 11:54:35,722 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 69.7ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-10-14 11:54:35,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-10-14 11:54:35,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 208. [2021-10-14 11:54:35,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 206 states have (on average 1.6796116504854368) internal successors, (346), 207 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 346 transitions. [2021-10-14 11:54:35,725 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 346 transitions. Word has length 38 [2021-10-14 11:54:35,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:35,726 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 346 transitions. [2021-10-14 11:54:35,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 346 transitions. [2021-10-14 11:54:35,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-14 11:54:35,726 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:35,726 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:35,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-14 11:54:35,726 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:35,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:35,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1129162022, now seen corresponding path program 6 times [2021-10-14 11:54:35,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:35,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573496472] [2021-10-14 11:54:35,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:35,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:35,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:35,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573496472] [2021-10-14 11:54:35,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573496472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:35,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:35,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-14 11:54:35,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128268677] [2021-10-14 11:54:35,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-14 11:54:35,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:35,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-14 11:54:35,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-14 11:54:35,769 INFO L87 Difference]: Start difference. First operand 208 states and 346 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:35,861 INFO L93 Difference]: Finished difference Result 239 states and 390 transitions. [2021-10-14 11:54:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-14 11:54:35,861 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-14 11:54:35,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:35,862 INFO L225 Difference]: With dead ends: 239 [2021-10-14 11:54:35,862 INFO L226 Difference]: Without dead ends: 200 [2021-10-14 11:54:35,862 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 69.6ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-14 11:54:35,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-10-14 11:54:35,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-10-14 11:54:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 198 states have (on average 1.6767676767676767) internal successors, (332), 199 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 332 transitions. [2021-10-14 11:54:35,866 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 332 transitions. Word has length 38 [2021-10-14 11:54:35,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:35,866 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 332 transitions. [2021-10-14 11:54:35,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 332 transitions. [2021-10-14 11:54:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-14 11:54:35,866 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:35,866 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:35,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-14 11:54:35,867 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:35,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:35,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1667997450, now seen corresponding path program 7 times [2021-10-14 11:54:35,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:35,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376515599] [2021-10-14 11:54:35,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:35,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:35,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:35,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376515599] [2021-10-14 11:54:35,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376515599] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:35,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:35,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-14 11:54:35,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711225452] [2021-10-14 11:54:35,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-14 11:54:35,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:35,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-14 11:54:35,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-14 11:54:35,905 INFO L87 Difference]: Start difference. First operand 200 states and 332 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:35,990 INFO L93 Difference]: Finished difference Result 207 states and 338 transitions. [2021-10-14 11:54:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-14 11:54:35,991 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-14 11:54:35,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:35,991 INFO L225 Difference]: With dead ends: 207 [2021-10-14 11:54:35,991 INFO L226 Difference]: Without dead ends: 186 [2021-10-14 11:54:35,992 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 64.7ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-10-14 11:54:35,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-10-14 11:54:35,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-10-14 11:54:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 184 states have (on average 1.6521739130434783) internal successors, (304), 185 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 304 transitions. [2021-10-14 11:54:35,995 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 304 transitions. Word has length 38 [2021-10-14 11:54:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:35,995 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 304 transitions. [2021-10-14 11:54:35,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 304 transitions. [2021-10-14 11:54:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-14 11:54:35,995 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:35,995 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:35,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-14 11:54:35,996 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:35,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:35,996 INFO L82 PathProgramCache]: Analyzing trace with hash 458981430, now seen corresponding path program 8 times [2021-10-14 11:54:35,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:35,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608697162] [2021-10-14 11:54:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:35,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:36,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:36,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:36,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608697162] [2021-10-14 11:54:36,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608697162] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:36,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:36,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-14 11:54:36,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265480628] [2021-10-14 11:54:36,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-14 11:54:36,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:36,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-14 11:54:36,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-14 11:54:36,039 INFO L87 Difference]: Start difference. First operand 186 states and 304 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:36,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:36,141 INFO L93 Difference]: Finished difference Result 201 states and 318 transitions. [2021-10-14 11:54:36,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-14 11:54:36,143 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-14 11:54:36,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:36,144 INFO L225 Difference]: With dead ends: 201 [2021-10-14 11:54:36,144 INFO L226 Difference]: Without dead ends: 184 [2021-10-14 11:54:36,144 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 74.8ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-10-14 11:54:36,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-10-14 11:54:36,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2021-10-14 11:54:36,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 182 states have (on average 1.6483516483516483) internal successors, (300), 183 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:36,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 300 transitions. [2021-10-14 11:54:36,147 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 300 transitions. Word has length 38 [2021-10-14 11:54:36,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:36,147 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 300 transitions. [2021-10-14 11:54:36,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:36,147 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 300 transitions. [2021-10-14 11:54:36,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-14 11:54:36,148 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:36,148 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:36,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-14 11:54:36,148 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:36,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:36,148 INFO L82 PathProgramCache]: Analyzing trace with hash -587828716, now seen corresponding path program 9 times [2021-10-14 11:54:36,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:36,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628911177] [2021-10-14 11:54:36,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:36,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:36,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:36,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628911177] [2021-10-14 11:54:36,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628911177] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:36,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:36,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-14 11:54:36,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887247058] [2021-10-14 11:54:36,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-14 11:54:36,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:36,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-14 11:54:36,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-14 11:54:36,207 INFO L87 Difference]: Start difference. First operand 184 states and 300 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:36,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:36,304 INFO L93 Difference]: Finished difference Result 215 states and 344 transitions. [2021-10-14 11:54:36,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-14 11:54:36,304 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-14 11:54:36,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:36,305 INFO L225 Difference]: With dead ends: 215 [2021-10-14 11:54:36,305 INFO L226 Difference]: Without dead ends: 180 [2021-10-14 11:54:36,305 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 71.2ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-10-14 11:54:36,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-10-14 11:54:36,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2021-10-14 11:54:36,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 178 states have (on average 1.6404494382022472) internal successors, (292), 179 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 292 transitions. [2021-10-14 11:54:36,309 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 292 transitions. Word has length 38 [2021-10-14 11:54:36,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:36,309 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 292 transitions. [2021-10-14 11:54:36,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 292 transitions. [2021-10-14 11:54:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-14 11:54:36,310 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:54:36,310 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:54:36,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-14 11:54:36,310 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 11:54:36,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:54:36,311 INFO L82 PathProgramCache]: Analyzing trace with hash 160635924, now seen corresponding path program 10 times [2021-10-14 11:54:36,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:54:36,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603920322] [2021-10-14 11:54:36,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:54:36,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:54:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:54:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:54:36,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:54:36,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603920322] [2021-10-14 11:54:36,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603920322] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:54:36,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:54:36,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-14 11:54:36,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882953599] [2021-10-14 11:54:36,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-14 11:54:36,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:54:36,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-14 11:54:36,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-14 11:54:36,372 INFO L87 Difference]: Start difference. First operand 180 states and 292 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:36,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:54:36,445 INFO L93 Difference]: Finished difference Result 84 states and 126 transitions. [2021-10-14 11:54:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-14 11:54:36,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-14 11:54:36,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:54:36,446 INFO L225 Difference]: With dead ends: 84 [2021-10-14 11:54:36,446 INFO L226 Difference]: Without dead ends: 0 [2021-10-14 11:54:36,446 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 83.1ms TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-10-14 11:54:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-14 11:54:36,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-14 11:54:36,446 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) [2021-10-14 11:54:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-14 11:54:36,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-10-14 11:54:36,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:54:36,446 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-14 11:54:36,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:54:36,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-14 11:54:36,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-14 11:54:36,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:54:36,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-14 11:54:36,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:54:36,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:54:36,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-14 11:54:36,453 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-14 11:54:36,453 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-14 11:54:36,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:54:36 BasicIcfg [2021-10-14 11:54:36,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-14 11:54:36,456 INFO L168 Benchmark]: Toolchain (without parser) took 3188.25 ms. Allocated memory was 197.1 MB in the beginning and 237.0 MB in the end (delta: 39.8 MB). Free memory was 145.1 MB in the beginning and 179.9 MB in the end (delta: -34.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. [2021-10-14 11:54:36,456 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 197.1 MB. Free memory is still 163.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 11:54:36,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.39 ms. Allocated memory is still 197.1 MB. Free memory was 144.8 MB in the beginning and 157.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. [2021-10-14 11:54:36,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.41 ms. Allocated memory is still 197.1 MB. Free memory was 157.1 MB in the beginning and 154.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 11:54:36,457 INFO L168 Benchmark]: Boogie Preprocessor took 14.21 ms. Allocated memory is still 197.1 MB. Free memory was 154.5 MB in the beginning and 153.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-14 11:54:36,457 INFO L168 Benchmark]: RCFGBuilder took 274.50 ms. Allocated memory is still 197.1 MB. Free memory was 153.4 MB in the beginning and 141.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-14 11:54:36,457 INFO L168 Benchmark]: TraceAbstraction took 2427.15 ms. Allocated memory was 197.1 MB in the beginning and 237.0 MB in the end (delta: 39.8 MB). Free memory was 140.8 MB in the beginning and 179.9 MB in the end (delta: -39.0 MB). Peak memory consumption was 1.9 MB. Max. memory is 8.0 GB. [2021-10-14 11:54:36,458 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 197.1 MB. Free memory is still 163.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 433.39 ms. Allocated memory is still 197.1 MB. Free memory was 144.8 MB in the beginning and 157.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.41 ms. Allocated memory is still 197.1 MB. Free memory was 157.1 MB in the beginning and 154.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.21 ms. Allocated memory is still 197.1 MB. Free memory was 154.5 MB in the beginning and 153.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 274.50 ms. Allocated memory is still 197.1 MB. Free memory was 153.4 MB in the beginning and 141.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2427.15 ms. Allocated memory was 197.1 MB in the beginning and 237.0 MB in the end (delta: 39.8 MB). Free memory was 140.8 MB in the beginning and 179.9 MB in the end (delta: -39.0 MB). Peak memory consumption was 1.9 MB. 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: 914]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 914]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 88 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2319.1ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 27.1ms, AutomataDifference: 1251.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 49.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 956 SDtfs, 1654 SDslu, 2381 SDs, 0 SdLazy, 706 SolverSat, 85 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 346.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 820.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=413occurred in iteration=0, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 91.0ms AutomataMinimizationTime, 12 MinimizatonAttempts, 375 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 22.7ms SsaConstructionTime, 76.8ms SatisfiabilityAnalysisTime, 603.3ms InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 427 ConstructedInterpolants, 0 QuantifiedInterpolants, 911 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-14 11:54:36,479 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...