/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:01:25,062 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 23:01:25,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 23:01:25,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 23:01:25,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 23:01:25,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 23:01:25,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 23:01:25,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 23:01:25,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 23:01:25,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 23:01:25,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 23:01:25,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 23:01:25,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 23:01:25,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 23:01:25,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-16 23:01:25,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:01:25,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:01:25,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:01:25,141 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-PN-NoLbe.epf [2021-10-16 23:01:25,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:01:25,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:01:25,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:01:25,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:01:25,155 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:01:25,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:01:25,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:01:25,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:01:25,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:01:25,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:01:25,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:01:25,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:01:25,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:01:25,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:01:25,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:01:25,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:01:25,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:01:25,157 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:01:25,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:01:25,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:01:25,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:01:25,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:01:25,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:01:25,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:01:25,364 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:01:25,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c [2021-10-16 23:01:25,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da8ce917f/56b52dfb5c374283b4fbdd6f7b47965f/FLAG82a7b5e63 [2021-10-16 23:01:25,763 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:01:25,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c [2021-10-16 23:01:25,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da8ce917f/56b52dfb5c374283b4fbdd6f7b47965f/FLAG82a7b5e63 [2021-10-16 23:01:26,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da8ce917f/56b52dfb5c374283b4fbdd6f7b47965f [2021-10-16 23:01:26,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:01:26,180 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:01:26,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:01:26,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:01:26,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:01:26,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25323096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26, skipping insertion in model container [2021-10-16 23:01:26,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:01:26,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:01:26,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c[2422,2435] [2021-10-16 23:01:26,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:01:26,399 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:01:26,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c[2422,2435] [2021-10-16 23:01:26,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:01:26,456 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:01:26,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26 WrapperNode [2021-10-16 23:01:26,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:01:26,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:01:26,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:01:26,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:01:26,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:01:26,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:01:26,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:01:26,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:01:26,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:01:26,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:01:26,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:01:26,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:01:26,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (1/1) ... [2021-10-16 23:01:26,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:01:26,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:01:26,645 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) [2021-10-16 23:01:26,716 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 [2021-10-16 23:01:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 23:01:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 23:01:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 23:01:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 23:01:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-16 23:01:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-16 23:01:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:01:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:01:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:01:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-16 23:01:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 23:01:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:01:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:01:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:01:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:01:26,743 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 23:01:27,086 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:01:27,086 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-16 23:01:27,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:01:27 BoogieIcfgContainer [2021-10-16 23:01:27,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:01:27,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:01:27,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:01:27,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:01:27,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:01:26" (1/3) ... [2021-10-16 23:01:27,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e27c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:01:27, skipping insertion in model container [2021-10-16 23:01:27,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:26" (2/3) ... [2021-10-16 23:01:27,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e27c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:01:27, skipping insertion in model container [2021-10-16 23:01:27,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:01:27" (3/3) ... [2021-10-16 23:01:27,093 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-4.wvr.c [2021-10-16 23:01:27,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:01:27,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-10-16 23:01:27,096 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:01:27,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,123 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,124 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,124 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,124 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,124 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,124 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,124 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,124 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,124 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,124 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,125 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,125 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,125 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,125 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,125 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,125 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,132 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,132 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,132 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,132 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,132 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,132 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,133 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,134 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,134 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,137 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,137 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,137 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,137 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,140 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,140 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,140 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,140 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:27,145 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-16 23:01:27,176 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:01:27,180 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=false, mConcurrency=PETRI_NET, 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 [2021-10-16 23:01:27,180 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2021-10-16 23:01:27,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 220 transitions, 464 flow [2021-10-16 23:01:27,268 INFO L129 PetriNetUnfolder]: 10/217 cut-off events. [2021-10-16 23:01:27,269 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-16 23:01:27,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 217 events. 10/217 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 338 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 170. Up to 2 conditions per place. [2021-10-16 23:01:27,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 220 places, 220 transitions, 464 flow [2021-10-16 23:01:27,291 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 204 transitions, 423 flow [2021-10-16 23:01:27,300 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-10-16 23:01:27,300 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:27,300 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:27,301 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:27,301 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:01:27,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:27,307 INFO L82 PathProgramCache]: Analyzing trace with hash -966809632, now seen corresponding path program 1 times [2021-10-16 23:01:27,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:27,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976558694] [2021-10-16 23:01:27,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:27,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:27,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:27,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976558694] [2021-10-16 23:01:27,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976558694] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:27,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:27,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:27,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203263581] [2021-10-16 23:01:27,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:27,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:27,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:27,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:27,495 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 220 [2021-10-16 23:01:27,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 204 transitions, 423 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:27,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 220 [2021-10-16 23:01:27,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:27,616 INFO L129 PetriNetUnfolder]: 69/447 cut-off events. [2021-10-16 23:01:27,616 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-16 23:01:27,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 447 events. 69/447 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1977 event pairs, 33 based on Foata normal form. 24/426 useless extension candidates. Maximal degree in co-relation 442. Up to 93 conditions per place. [2021-10-16 23:01:27,625 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 15 selfloop transitions, 2 changer transitions 1/198 dead transitions. [2021-10-16 23:01:27,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 198 transitions, 445 flow [2021-10-16 23:01:27,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2021-10-16 23:01:27,639 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9257575757575758 [2021-10-16 23:01:27,640 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 611 transitions. [2021-10-16 23:01:27,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 611 transitions. [2021-10-16 23:01:27,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:27,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 611 transitions. [2021-10-16 23:01:27,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,662 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,664 INFO L186 Difference]: Start difference. First operand has 204 places, 204 transitions, 423 flow. Second operand 3 states and 611 transitions. [2021-10-16 23:01:27,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 198 transitions, 445 flow [2021-10-16 23:01:27,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 198 transitions, 436 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-16 23:01:27,671 INFO L242 Difference]: Finished difference. Result has 198 places, 197 transitions, 404 flow [2021-10-16 23:01:27,673 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=198, PETRI_TRANSITIONS=197} [2021-10-16 23:01:27,673 INFO L334 CegarLoopForPetriNet]: 204 programPoint places, -6 predicate places. [2021-10-16 23:01:27,674 INFO L470 AbstractCegarLoop]: Abstraction has has 198 places, 197 transitions, 404 flow [2021-10-16 23:01:27,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,674 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:27,675 INFO L254 CegarLoopForPetriNet]: 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] [2021-10-16 23:01:27,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:01:27,675 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:01:27,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:27,676 INFO L82 PathProgramCache]: Analyzing trace with hash -324068752, now seen corresponding path program 1 times [2021-10-16 23:01:27,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:27,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888576570] [2021-10-16 23:01:27,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:27,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:27,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:27,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:27,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888576570] [2021-10-16 23:01:27,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888576570] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:27,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:27,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:27,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708828096] [2021-10-16 23:01:27,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:27,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:27,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:27,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:27,739 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 220 [2021-10-16 23:01:27,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 197 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:27,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 220 [2021-10-16 23:01:27,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:27,776 INFO L129 PetriNetUnfolder]: 7/196 cut-off events. [2021-10-16 23:01:27,776 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:27,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 196 events. 7/196 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 310 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 188. Up to 11 conditions per place. [2021-10-16 23:01:27,778 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 10 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2021-10-16 23:01:27,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 196 transitions, 426 flow [2021-10-16 23:01:27,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 616 transitions. [2021-10-16 23:01:27,780 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2021-10-16 23:01:27,780 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 616 transitions. [2021-10-16 23:01:27,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 616 transitions. [2021-10-16 23:01:27,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:27,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 616 transitions. [2021-10-16 23:01:27,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,783 INFO L186 Difference]: Start difference. First operand has 198 places, 197 transitions, 404 flow. Second operand 3 states and 616 transitions. [2021-10-16 23:01:27,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 196 transitions, 426 flow [2021-10-16 23:01:27,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 196 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:27,790 INFO L242 Difference]: Finished difference. Result has 196 places, 196 transitions, 402 flow [2021-10-16 23:01:27,791 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=196, PETRI_TRANSITIONS=196} [2021-10-16 23:01:27,791 INFO L334 CegarLoopForPetriNet]: 204 programPoint places, -8 predicate places. [2021-10-16 23:01:27,791 INFO L470 AbstractCegarLoop]: Abstraction has has 196 places, 196 transitions, 402 flow [2021-10-16 23:01:27,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,792 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:27,792 INFO L254 CegarLoopForPetriNet]: 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] [2021-10-16 23:01:27,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:01:27,793 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:01:27,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:27,795 INFO L82 PathProgramCache]: Analyzing trace with hash -5853989, now seen corresponding path program 1 times [2021-10-16 23:01:27,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:27,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580257732] [2021-10-16 23:01:27,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:27,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:27,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:27,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580257732] [2021-10-16 23:01:27,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580257732] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:27,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:27,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:27,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504817415] [2021-10-16 23:01:27,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:27,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:27,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:27,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:27,853 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 220 [2021-10-16 23:01:27,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 196 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:27,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 220 [2021-10-16 23:01:27,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:27,882 INFO L129 PetriNetUnfolder]: 7/195 cut-off events. [2021-10-16 23:01:27,882 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:27,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 195 events. 7/195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 308 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 180. Up to 10 conditions per place. [2021-10-16 23:01:27,883 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 9 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2021-10-16 23:01:27,883 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 195 transitions, 422 flow [2021-10-16 23:01:27,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2021-10-16 23:01:27,885 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9363636363636364 [2021-10-16 23:01:27,885 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 618 transitions. [2021-10-16 23:01:27,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 618 transitions. [2021-10-16 23:01:27,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:27,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 618 transitions. [2021-10-16 23:01:27,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,888 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,888 INFO L186 Difference]: Start difference. First operand has 196 places, 196 transitions, 402 flow. Second operand 3 states and 618 transitions. [2021-10-16 23:01:27,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 195 transitions, 422 flow [2021-10-16 23:01:27,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 195 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:27,891 INFO L242 Difference]: Finished difference. Result has 195 places, 195 transitions, 400 flow [2021-10-16 23:01:27,891 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=195, PETRI_TRANSITIONS=195} [2021-10-16 23:01:27,891 INFO L334 CegarLoopForPetriNet]: 204 programPoint places, -9 predicate places. [2021-10-16 23:01:27,891 INFO L470 AbstractCegarLoop]: Abstraction has has 195 places, 195 transitions, 400 flow [2021-10-16 23:01:27,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,892 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:27,892 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:27,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:01:27,892 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:01:27,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:27,893 INFO L82 PathProgramCache]: Analyzing trace with hash 917226353, now seen corresponding path program 1 times [2021-10-16 23:01:27,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:27,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790063862] [2021-10-16 23:01:27,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:27,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:27,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:27,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790063862] [2021-10-16 23:01:27,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790063862] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:27,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:27,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:27,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616162451] [2021-10-16 23:01:27,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:27,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:27,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:27,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:27,946 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 220 [2021-10-16 23:01:27,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 195 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:27,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:27,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 220 [2021-10-16 23:01:27,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:27,993 INFO L129 PetriNetUnfolder]: 28/380 cut-off events. [2021-10-16 23:01:27,993 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:27,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 380 events. 28/380 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1415 event pairs, 13 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 382. Up to 33 conditions per place. [2021-10-16 23:01:27,996 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 9 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2021-10-16 23:01:27,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 194 transitions, 420 flow [2021-10-16 23:01:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:27,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2021-10-16 23:01:27,998 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9363636363636364 [2021-10-16 23:01:27,998 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 618 transitions. [2021-10-16 23:01:27,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 618 transitions. [2021-10-16 23:01:27,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:27,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 618 transitions. [2021-10-16 23:01:27,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,001 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,001 INFO L186 Difference]: Start difference. First operand has 195 places, 195 transitions, 400 flow. Second operand 3 states and 618 transitions. [2021-10-16 23:01:28,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 194 transitions, 420 flow [2021-10-16 23:01:28,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 194 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:28,004 INFO L242 Difference]: Finished difference. Result has 194 places, 194 transitions, 398 flow [2021-10-16 23:01:28,004 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=194, PETRI_TRANSITIONS=194} [2021-10-16 23:01:28,004 INFO L334 CegarLoopForPetriNet]: 204 programPoint places, -10 predicate places. [2021-10-16 23:01:28,005 INFO L470 AbstractCegarLoop]: Abstraction has has 194 places, 194 transitions, 398 flow [2021-10-16 23:01:28,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,005 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:28,005 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:28,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 23:01:28,006 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:01:28,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:28,006 INFO L82 PathProgramCache]: Analyzing trace with hash 318210712, now seen corresponding path program 1 times [2021-10-16 23:01:28,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:28,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427250992] [2021-10-16 23:01:28,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:28,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:28,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:28,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427250992] [2021-10-16 23:01:28,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427250992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:28,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:28,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:28,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832233460] [2021-10-16 23:01:28,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:28,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:28,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:28,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:28,052 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 220 [2021-10-16 23:01:28,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 194 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:28,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 220 [2021-10-16 23:01:28,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:28,074 INFO L129 PetriNetUnfolder]: 7/193 cut-off events. [2021-10-16 23:01:28,074 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:28,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 193 events. 7/193 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 299 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 165. Up to 10 conditions per place. [2021-10-16 23:01:28,076 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 9 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2021-10-16 23:01:28,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 193 transitions, 418 flow [2021-10-16 23:01:28,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 615 transitions. [2021-10-16 23:01:28,077 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9318181818181818 [2021-10-16 23:01:28,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 615 transitions. [2021-10-16 23:01:28,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 615 transitions. [2021-10-16 23:01:28,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:28,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 615 transitions. [2021-10-16 23:01:28,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,080 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,080 INFO L186 Difference]: Start difference. First operand has 194 places, 194 transitions, 398 flow. Second operand 3 states and 615 transitions. [2021-10-16 23:01:28,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 193 transitions, 418 flow [2021-10-16 23:01:28,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 193 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:28,083 INFO L242 Difference]: Finished difference. Result has 193 places, 193 transitions, 396 flow [2021-10-16 23:01:28,083 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=193, PETRI_TRANSITIONS=193} [2021-10-16 23:01:28,084 INFO L334 CegarLoopForPetriNet]: 204 programPoint places, -11 predicate places. [2021-10-16 23:01:28,084 INFO L470 AbstractCegarLoop]: Abstraction has has 193 places, 193 transitions, 396 flow [2021-10-16 23:01:28,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,084 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:28,084 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:28,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 23:01:28,085 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:01:28,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:28,085 INFO L82 PathProgramCache]: Analyzing trace with hash 544127918, now seen corresponding path program 1 times [2021-10-16 23:01:28,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:28,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348177841] [2021-10-16 23:01:28,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:28,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:28,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:28,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348177841] [2021-10-16 23:01:28,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348177841] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:28,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:28,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:28,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167065133] [2021-10-16 23:01:28,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:28,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:28,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:28,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:28,112 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 220 [2021-10-16 23:01:28,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 204.0) internal successors, (612), 3 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:28,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 220 [2021-10-16 23:01:28,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:28,181 INFO L129 PetriNetUnfolder]: 61/734 cut-off events. [2021-10-16 23:01:28,181 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:28,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 734 events. 61/734 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 4449 event pairs, 16 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 777. Up to 55 conditions per place. [2021-10-16 23:01:28,185 INFO L132 encePairwiseOnDemand]: 214/220 looper letters, 10 selfloop transitions, 5 changer transitions 0/197 dead transitions. [2021-10-16 23:01:28,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 197 transitions, 434 flow [2021-10-16 23:01:28,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:28,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 622 transitions. [2021-10-16 23:01:28,187 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9424242424242424 [2021-10-16 23:01:28,187 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 622 transitions. [2021-10-16 23:01:28,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 622 transitions. [2021-10-16 23:01:28,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:28,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 622 transitions. [2021-10-16 23:01:28,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,190 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,190 INFO L186 Difference]: Start difference. First operand has 193 places, 193 transitions, 396 flow. Second operand 3 states and 622 transitions. [2021-10-16 23:01:28,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 197 transitions, 434 flow [2021-10-16 23:01:28,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 197 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:28,193 INFO L242 Difference]: Finished difference. Result has 195 places, 197 transitions, 430 flow [2021-10-16 23:01:28,193 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=195, PETRI_TRANSITIONS=197} [2021-10-16 23:01:28,193 INFO L334 CegarLoopForPetriNet]: 204 programPoint places, -9 predicate places. [2021-10-16 23:01:28,194 INFO L470 AbstractCegarLoop]: Abstraction has has 195 places, 197 transitions, 430 flow [2021-10-16 23:01:28,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.0) internal successors, (612), 3 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,194 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:28,194 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:28,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 23:01:28,194 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:01:28,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:28,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1567649616, now seen corresponding path program 1 times [2021-10-16 23:01:28,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:28,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533518882] [2021-10-16 23:01:28,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:28,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:28,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:28,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533518882] [2021-10-16 23:01:28,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533518882] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:28,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:28,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:01:28,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199593716] [2021-10-16 23:01:28,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 23:01:28,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:28,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 23:01:28,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 23:01:28,238 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 220 [2021-10-16 23:01:28,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 197 transitions, 430 flow. Second operand has 5 states, 5 states have (on average 204.6) internal successors, (1023), 5 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:28,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 220 [2021-10-16 23:01:28,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:28,301 INFO L129 PetriNetUnfolder]: 46/610 cut-off events. [2021-10-16 23:01:28,301 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-10-16 23:01:28,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 610 events. 46/610 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3263 event pairs, 8 based on Foata normal form. 1/563 useless extension candidates. Maximal degree in co-relation 601. Up to 36 conditions per place. [2021-10-16 23:01:28,305 INFO L132 encePairwiseOnDemand]: 216/220 looper letters, 9 selfloop transitions, 0 changer transitions 4/200 dead transitions. [2021-10-16 23:01:28,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 200 transitions, 462 flow [2021-10-16 23:01:28,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 23:01:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-16 23:01:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1029 transitions. [2021-10-16 23:01:28,307 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9354545454545454 [2021-10-16 23:01:28,308 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1029 transitions. [2021-10-16 23:01:28,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1029 transitions. [2021-10-16 23:01:28,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:28,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1029 transitions. [2021-10-16 23:01:28,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,311 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,311 INFO L186 Difference]: Start difference. First operand has 195 places, 197 transitions, 430 flow. Second operand 5 states and 1029 transitions. [2021-10-16 23:01:28,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 200 transitions, 462 flow [2021-10-16 23:01:28,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 200 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:28,315 INFO L242 Difference]: Finished difference. Result has 200 places, 196 transitions, 424 flow [2021-10-16 23:01:28,315 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=424, PETRI_PLACES=200, PETRI_TRANSITIONS=196} [2021-10-16 23:01:28,315 INFO L334 CegarLoopForPetriNet]: 204 programPoint places, -4 predicate places. [2021-10-16 23:01:28,316 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 196 transitions, 424 flow [2021-10-16 23:01:28,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 204.6) internal successors, (1023), 5 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,316 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:28,316 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:28,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 23:01:28,317 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:01:28,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:28,317 INFO L82 PathProgramCache]: Analyzing trace with hash 11095774, now seen corresponding path program 1 times [2021-10-16 23:01:28,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:28,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374914680] [2021-10-16 23:01:28,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:28,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:28,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:28,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374914680] [2021-10-16 23:01:28,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374914680] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:28,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:28,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 23:01:28,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113421701] [2021-10-16 23:01:28,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 23:01:28,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:28,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 23:01:28,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 23:01:28,343 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 220 [2021-10-16 23:01:28,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 196 transitions, 424 flow. Second operand has 4 states, 4 states have (on average 204.25) internal successors, (817), 4 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:28,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 220 [2021-10-16 23:01:28,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:28,400 INFO L129 PetriNetUnfolder]: 45/607 cut-off events. [2021-10-16 23:01:28,400 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:28,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 607 events. 45/607 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3235 event pairs, 8 based on Foata normal form. 1/558 useless extension candidates. Maximal degree in co-relation 672. Up to 36 conditions per place. [2021-10-16 23:01:28,405 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 10 selfloop transitions, 0 changer transitions 2/197 dead transitions. [2021-10-16 23:01:28,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 197 transitions, 450 flow [2021-10-16 23:01:28,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 23:01:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-16 23:01:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 821 transitions. [2021-10-16 23:01:28,407 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9329545454545455 [2021-10-16 23:01:28,407 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 821 transitions. [2021-10-16 23:01:28,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 821 transitions. [2021-10-16 23:01:28,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:28,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 821 transitions. [2021-10-16 23:01:28,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 205.25) internal successors, (821), 4 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,410 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,410 INFO L186 Difference]: Start difference. First operand has 200 places, 196 transitions, 424 flow. Second operand 4 states and 821 transitions. [2021-10-16 23:01:28,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 197 transitions, 450 flow [2021-10-16 23:01:28,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 197 transitions, 444 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-10-16 23:01:28,414 INFO L242 Difference]: Finished difference. Result has 199 places, 195 transitions, 420 flow [2021-10-16 23:01:28,414 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=420, PETRI_PLACES=199, PETRI_TRANSITIONS=195} [2021-10-16 23:01:28,414 INFO L334 CegarLoopForPetriNet]: 204 programPoint places, -5 predicate places. [2021-10-16 23:01:28,414 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 195 transitions, 420 flow [2021-10-16 23:01:28,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 204.25) internal successors, (817), 4 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,415 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:28,415 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:28,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 23:01:28,415 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:01:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:28,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1257251494, now seen corresponding path program 1 times [2021-10-16 23:01:28,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:28,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971432078] [2021-10-16 23:01:28,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:28,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:28,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:28,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971432078] [2021-10-16 23:01:28,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971432078] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:28,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:28,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:01:28,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889266547] [2021-10-16 23:01:28,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 23:01:28,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:28,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 23:01:28,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 23:01:28,444 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 220 [2021-10-16 23:01:28,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 195 transitions, 420 flow. Second operand has 5 states, 5 states have (on average 199.6) internal successors, (998), 5 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:28,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 220 [2021-10-16 23:01:28,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:28,507 INFO L129 PetriNetUnfolder]: 44/607 cut-off events. [2021-10-16 23:01:28,508 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:28,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 684 conditions, 607 events. 44/607 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3229 event pairs, 8 based on Foata normal form. 1/559 useless extension candidates. Maximal degree in co-relation 677. Up to 36 conditions per place. [2021-10-16 23:01:28,513 INFO L132 encePairwiseOnDemand]: 216/220 looper letters, 14 selfloop transitions, 0 changer transitions 3/197 dead transitions. [2021-10-16 23:01:28,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 197 transitions, 460 flow [2021-10-16 23:01:28,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 23:01:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-16 23:01:28,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1003 transitions. [2021-10-16 23:01:28,515 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9118181818181819 [2021-10-16 23:01:28,515 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1003 transitions. [2021-10-16 23:01:28,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1003 transitions. [2021-10-16 23:01:28,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:28,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1003 transitions. [2021-10-16 23:01:28,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 200.6) internal successors, (1003), 5 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,519 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,519 INFO L186 Difference]: Start difference. First operand has 199 places, 195 transitions, 420 flow. Second operand 5 states and 1003 transitions. [2021-10-16 23:01:28,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 197 transitions, 460 flow [2021-10-16 23:01:28,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 197 transitions, 454 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:28,523 INFO L242 Difference]: Finished difference. Result has 202 places, 194 transitions, 420 flow [2021-10-16 23:01:28,523 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=420, PETRI_PLACES=202, PETRI_TRANSITIONS=194} [2021-10-16 23:01:28,523 INFO L334 CegarLoopForPetriNet]: 204 programPoint places, -2 predicate places. [2021-10-16 23:01:28,523 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 194 transitions, 420 flow [2021-10-16 23:01:28,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 199.6) internal successors, (998), 5 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:28,524 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:28,524 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:28,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 23:01:28,525 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:01:28,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:28,525 INFO L82 PathProgramCache]: Analyzing trace with hash -681115555, now seen corresponding path program 1 times [2021-10-16 23:01:28,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:28,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510087081] [2021-10-16 23:01:28,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:28,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:01:28,549 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 23:01:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:01:28,593 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 23:01:28,594 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 23:01:28,594 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:28,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 23:01:28,603 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:01:28,603 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:01:28,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:01:28 BasicIcfg [2021-10-16 23:01:28,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:01:28,687 INFO L168 Benchmark]: Toolchain (without parser) took 2505.76 ms. Allocated memory was 192.9 MB in the beginning and 259.0 MB in the end (delta: 66.1 MB). Free memory was 142.0 MB in the beginning and 210.8 MB in the end (delta: -68.9 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:01:28,687 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 192.9 MB. Free memory was 158.1 MB in the beginning and 158.0 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:01:28,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.61 ms. Allocated memory is still 192.9 MB. Free memory was 141.8 MB in the beginning and 167.4 MB in the end (delta: -25.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:28,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.05 ms. Allocated memory is still 192.9 MB. Free memory was 167.4 MB in the beginning and 165.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:28,688 INFO L168 Benchmark]: Boogie Preprocessor took 53.46 ms. Allocated memory is still 192.9 MB. Free memory was 165.4 MB in the beginning and 163.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:28,688 INFO L168 Benchmark]: RCFGBuilder took 518.07 ms. Allocated memory is still 192.9 MB. Free memory was 163.8 MB in the beginning and 144.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:28,688 INFO L168 Benchmark]: TraceAbstraction took 1596.74 ms. Allocated memory was 192.9 MB in the beginning and 259.0 MB in the end (delta: 66.1 MB). Free memory was 144.4 MB in the beginning and 210.8 MB in the end (delta: -66.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:01:28,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 192.9 MB. Free memory was 158.1 MB in the beginning and 158.0 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 273.61 ms. Allocated memory is still 192.9 MB. Free memory was 141.8 MB in the beginning and 167.4 MB in the end (delta: -25.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 58.05 ms. Allocated memory is still 192.9 MB. Free memory was 167.4 MB in the beginning and 165.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 53.46 ms. Allocated memory is still 192.9 MB. Free memory was 165.4 MB in the beginning and 163.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 518.07 ms. Allocated memory is still 192.9 MB. Free memory was 163.8 MB in the beginning and 144.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1596.74 ms. Allocated memory was 192.9 MB in the beginning and 259.0 MB in the end (delta: 66.1 MB). Free memory was 144.4 MB in the beginning and 210.8 MB in the end (delta: -66.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 76]: the program contains a data race the program contains a data race We found a FailurePath: [L38] 0 int pos; VAL [pos=0] [L39] 0 _Bool d1, d2, v_assert; VAL [d1=0, d2=0, pos=0, v_assert=0] [L82] 0 pthread_t t1, t2, t3; VAL [d1=0, d2=0, pos=0, v_assert=0] [L85] 0 pos = __VERIFIER_nondet_int() VAL [d1=0, d2=0, pos=0, v_assert=0] [L86] 0 d1 = __VERIFIER_nondet_bool() VAL [d1=257, d2=0, pos=0, v_assert=0] [L87] 0 d2 = __VERIFIER_nondet_bool() VAL [d1=257, d2=-255, pos=0, v_assert=0] [L88] 0 v_assert = __VERIFIER_nondet_bool() VAL [d1=257, d2=-255, pos=0, v_assert=513] [L91] EXPR 0 ( pos == 0 ) && ( d1 == d2 && d1 == 1 ) VAL [d1=257, d2=-255, pos=0, v_assert=513] [L91] EXPR 0 d1 == d2 && d1 == 1 VAL [d1=257, d2=-255, pos=0, v_assert=513] [L91] EXPR 0 d1 == d2 && d1 == 1 VAL [d1=257, d2=-255, pos=0, v_assert=513] [L91] EXPR 0 ( pos == 0 ) && ( d1 == d2 && d1 == 1 ) VAL [d1=257, d2=-255, pos=0, v_assert=513] [L91] 0 ( pos == 0 ) && ( d1 == d2 && d1 == 1 ) && ( v_assert == 1 ) VAL [d1=257, d2=-255, pos=0, v_assert=513] [L91] 0 ( pos == 0 ) && ( d1 == d2 && d1 == 1 ) && ( v_assert == 1 ) VAL [d1=257, d2=-255, pos=0, v_assert=513] [L35] COND FALSE 0 !(!cond) VAL [d1=257, d2=-255, pos=0, v_assert=513] [L93] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [d1=257, d2=-255, pos=0, v_assert=513] [L94] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [d1=257, d2=-255, pos=0, v_assert=513] [L95] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [d1=257, d2=-255, pos=0, v_assert=513] [L76] 3 v_assert = (pos >= 0) VAL [d1=257, d2=-255, pos=0, pos >= 0=524, v_assert=1, v_assert = (pos >= 0)=518] [L76] 3 v_assert = (pos >= 0) VAL [d1=257, d2=-255, pos=0, pos >= 0=524, v_assert=1, v_assert = (pos >= 0)=518] - UnprovableResult [Line: 45]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 95]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 292 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 8.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1427.4ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 683.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 110.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 100 SDtfs, 14 SDslu, 51 SDs, 0 SdLazy, 117 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=430occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.7ms SsaConstructionTime, 140.2ms SatisfiabilityAnalysisTime, 255.7ms InterpolantComputationTime, 637 NumberOfCodeBlocks, 637 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 532 ConstructedInterpolants, 0 QuantifiedInterpolants, 556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 23:01:28,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...