/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/clever.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:00:34,351 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 23:00:34,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:00:34,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:00:34,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:00:34,456 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 23:00:34,474 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:00:34,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:00:34,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:00:34,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:00:34,478 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:00:34,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:00:34,478 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:00:34,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:00:34,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:00:34,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:00:34,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:00:34,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:00:34,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:00:34,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:00:34,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:00:34,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:00:34,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:00:34,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:00:34,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:00:34,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:00:34,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:00:34,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:00:34,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:00:34,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:00:34,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:00:34,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:00:34,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:00:34,481 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:00:34,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:00:34,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:00:34,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:00:34,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:00:34,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:00:34,702 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:00:34,702 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:00:34,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/clever.wvr.c [2021-10-16 23:00:34,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9486e93/11f972b5a3414b0d8d5f4dcdfb102bc4/FLAGa086ffaaf [2021-10-16 23:00:35,161 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:00:35,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/clever.wvr.c [2021-10-16 23:00:35,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9486e93/11f972b5a3414b0d8d5f4dcdfb102bc4/FLAGa086ffaaf [2021-10-16 23:00:35,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9486e93/11f972b5a3414b0d8d5f4dcdfb102bc4 [2021-10-16 23:00:35,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:00:35,188 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:00:35,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:00:35,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:00:35,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:00:35,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b577190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35, skipping insertion in model container [2021-10-16 23:00:35,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:00:35,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:00:35,393 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/clever.wvr.c[2133,2146] [2021-10-16 23:00:35,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:00:35,400 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:00:35,428 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/clever.wvr.c[2133,2146] [2021-10-16 23:00:35,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:00:35,441 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:00:35,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35 WrapperNode [2021-10-16 23:00:35,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:00:35,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:00:35,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:00:35,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:00:35,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:00:35,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:00:35,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:00:35,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:00:35,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:00:35,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:00:35,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:00:35,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:00:35,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (1/1) ... [2021-10-16 23:00:35,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:00:35,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:00:35,545 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 23:00:35,568 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 23:00:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 23:00:35,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 23:00:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 23:00:35,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 23:00:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:00:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:00:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:00:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:00:35,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:00:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:00:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:00:35,578 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 23:00:35,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:00:35,938 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-10-16 23:00:35,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:00:35 BoogieIcfgContainer [2021-10-16 23:00:35,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:00:35,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:00:35,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:00:35,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:00:35,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:00:35" (1/3) ... [2021-10-16 23:00:35,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b613d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:00:35, skipping insertion in model container [2021-10-16 23:00:35,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:00:35" (2/3) ... [2021-10-16 23:00:35,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b613d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:00:35, skipping insertion in model container [2021-10-16 23:00:35,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:00:35" (3/3) ... [2021-10-16 23:00:35,946 INFO L111 eAbstractionObserver]: Analyzing ICFG clever.wvr.c [2021-10-16 23:00:35,949 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:00:35,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2021-10-16 23:00:35,950 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:00:35,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:35,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,000 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,000 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,000 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,000 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,003 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,003 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,003 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,003 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,003 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,004 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,005 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,005 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,007 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,007 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,008 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,012 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,012 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,012 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,012 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,012 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,012 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,013 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,013 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,013 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,014 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,014 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,014 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,014 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,014 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,014 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,020 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,020 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,020 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,020 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,028 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,028 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,028 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,028 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:00:36,056 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-16 23:00:36,093 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:00:36,099 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 23:00:36,100 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2021-10-16 23:00:36,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 269 places, 274 transitions, 564 flow [2021-10-16 23:00:36,224 INFO L129 PetriNetUnfolder]: 12/272 cut-off events. [2021-10-16 23:00:36,224 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-16 23:00:36,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 272 events. 12/272 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 388 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2021-10-16 23:00:36,228 INFO L82 GeneralOperation]: Start removeDead. Operand has 269 places, 274 transitions, 564 flow [2021-10-16 23:00:36,233 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 249 transitions, 507 flow [2021-10-16 23:00:36,236 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-10-16 23:00:36,236 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:36,236 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:36,238 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] [2021-10-16 23:00:36,239 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:36,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:36,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1034404730, now seen corresponding path program 1 times [2021-10-16 23:00:36,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:36,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874465504] [2021-10-16 23:00:36,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:36,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:00:36,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:36,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874465504] [2021-10-16 23:00:36,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874465504] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:36,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:36,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:36,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366065957] [2021-10-16 23:00:36,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:36,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:36,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:36,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:36,431 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 274 [2021-10-16 23:00:36,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 249 transitions, 507 flow. Second operand has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 0 states have call successors, (0), 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 23:00:36,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:36,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 274 [2021-10-16 23:00:36,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:36,505 INFO L129 PetriNetUnfolder]: 9/311 cut-off events. [2021-10-16 23:00:36,505 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-16 23:00:36,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 311 events. 9/311 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 719 event pairs, 1 based on Foata normal form. 7/291 useless extension candidates. Maximal degree in co-relation 198. Up to 8 conditions per place. [2021-10-16 23:00:36,510 INFO L132 encePairwiseOnDemand]: 266/274 looper letters, 5 selfloop transitions, 2 changer transitions 2/243 dead transitions. [2021-10-16 23:00:36,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 243 transitions, 509 flow [2021-10-16 23:00:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-10-16 23:00:36,524 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9610705596107056 [2021-10-16 23:00:36,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-10-16 23:00:36,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-10-16 23:00:36,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:36,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-10-16 23:00:36,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 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 23:00:36,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:36,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:36,544 INFO L186 Difference]: Start difference. First operand has 245 places, 249 transitions, 507 flow. Second operand 3 states and 790 transitions. [2021-10-16 23:00:36,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 243 transitions, 509 flow [2021-10-16 23:00:36,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 243 transitions, 504 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-16 23:00:36,553 INFO L242 Difference]: Finished difference. Result has 243 places, 241 transitions, 490 flow [2021-10-16 23:00:36,554 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=490, PETRI_PLACES=243, PETRI_TRANSITIONS=241} [2021-10-16 23:00:36,555 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -2 predicate places. [2021-10-16 23:00:36,555 INFO L470 AbstractCegarLoop]: Abstraction has has 243 places, 241 transitions, 490 flow [2021-10-16 23:00:36,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 0 states have call successors, (0), 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 23:00:36,556 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:36,556 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] [2021-10-16 23:00:36,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:00:36,557 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:36,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:36,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1773589758, now seen corresponding path program 1 times [2021-10-16 23:00:36,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:36,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50676371] [2021-10-16 23:00:36,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:36,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:36,604 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 23:00:36,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:36,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50676371] [2021-10-16 23:00:36,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50676371] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:36,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:36,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:36,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293276501] [2021-10-16 23:00:36,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:36,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:36,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:36,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:36,608 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 274 [2021-10-16 23:00:36,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 241 transitions, 490 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 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 23:00:36,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:36,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 274 [2021-10-16 23:00:36,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:36,676 INFO L129 PetriNetUnfolder]: 9/285 cut-off events. [2021-10-16 23:00:36,677 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:36,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 285 events. 9/285 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 467 event pairs, 1 based on Foata normal form. 0/263 useless extension candidates. Maximal degree in co-relation 273. Up to 10 conditions per place. [2021-10-16 23:00:36,678 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 6 selfloop transitions, 2 changer transitions 0/240 dead transitions. [2021-10-16 23:00:36,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 240 transitions, 504 flow [2021-10-16 23:00:36,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 783 transitions. [2021-10-16 23:00:36,680 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9525547445255474 [2021-10-16 23:00:36,681 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 783 transitions. [2021-10-16 23:00:36,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 783 transitions. [2021-10-16 23:00:36,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:36,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 783 transitions. [2021-10-16 23:00:36,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 0 states have call successors, (0), 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 23:00:36,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:36,684 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:36,684 INFO L186 Difference]: Start difference. First operand has 243 places, 241 transitions, 490 flow. Second operand 3 states and 783 transitions. [2021-10-16 23:00:36,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 240 transitions, 504 flow [2021-10-16 23:00:36,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 240 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:36,692 INFO L242 Difference]: Finished difference. Result has 240 places, 240 transitions, 488 flow [2021-10-16 23:00:36,692 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=488, PETRI_PLACES=240, PETRI_TRANSITIONS=240} [2021-10-16 23:00:36,693 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -5 predicate places. [2021-10-16 23:00:36,693 INFO L470 AbstractCegarLoop]: Abstraction has has 240 places, 240 transitions, 488 flow [2021-10-16 23:00:36,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 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 23:00:36,694 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:36,694 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] [2021-10-16 23:00:36,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:00:36,694 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:36,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:36,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1594776022, now seen corresponding path program 1 times [2021-10-16 23:00:36,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:36,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355564109] [2021-10-16 23:00:36,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:36,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:36,748 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 23:00:36,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:36,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355564109] [2021-10-16 23:00:36,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355564109] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:36,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:36,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:36,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119010597] [2021-10-16 23:00:36,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:36,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:36,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:36,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:36,751 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 274 [2021-10-16 23:00:36,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 240 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:00:36,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:36,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 274 [2021-10-16 23:00:36,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:36,784 INFO L129 PetriNetUnfolder]: 6/239 cut-off events. [2021-10-16 23:00:36,784 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:36,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 239 events. 6/239 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 356 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 223. Up to 13 conditions per place. [2021-10-16 23:00:36,785 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 12 selfloop transitions, 2 changer transitions 0/239 dead transitions. [2021-10-16 23:00:36,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 239 transitions, 514 flow [2021-10-16 23:00:36,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:36,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions. [2021-10-16 23:00:36,787 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9379562043795621 [2021-10-16 23:00:36,788 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 771 transitions. [2021-10-16 23:00:36,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 771 transitions. [2021-10-16 23:00:36,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:36,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 771 transitions. [2021-10-16 23:00:36,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 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 23:00:36,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:36,791 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:36,791 INFO L186 Difference]: Start difference. First operand has 240 places, 240 transitions, 488 flow. Second operand 3 states and 771 transitions. [2021-10-16 23:00:36,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 239 transitions, 514 flow [2021-10-16 23:00:36,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 239 transitions, 510 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:36,795 INFO L242 Difference]: Finished difference. Result has 239 places, 239 transitions, 486 flow [2021-10-16 23:00:36,795 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=239, PETRI_TRANSITIONS=239} [2021-10-16 23:00:36,795 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -6 predicate places. [2021-10-16 23:00:36,795 INFO L470 AbstractCegarLoop]: Abstraction has has 239 places, 239 transitions, 486 flow [2021-10-16 23:00:36,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:00:36,796 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:36,796 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] [2021-10-16 23:00:36,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:00:36,797 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:36,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:36,797 INFO L82 PathProgramCache]: Analyzing trace with hash -578917351, now seen corresponding path program 1 times [2021-10-16 23:00:36,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:36,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542279735] [2021-10-16 23:00:36,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:36,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:36,820 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 23:00:36,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:36,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542279735] [2021-10-16 23:00:36,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542279735] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:36,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:36,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:36,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608392702] [2021-10-16 23:00:36,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:36,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:36,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:36,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:36,823 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 274 [2021-10-16 23:00:36,823 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 239 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 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 23:00:36,823 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:36,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 274 [2021-10-16 23:00:36,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:36,853 INFO L129 PetriNetUnfolder]: 6/238 cut-off events. [2021-10-16 23:00:36,853 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:36,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 238 events. 6/238 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 355 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 212. Up to 10 conditions per place. [2021-10-16 23:00:36,855 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 9 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2021-10-16 23:00:36,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 238 transitions, 506 flow [2021-10-16 23:00:36,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:36,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 777 transitions. [2021-10-16 23:00:36,857 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9452554744525548 [2021-10-16 23:00:36,857 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 777 transitions. [2021-10-16 23:00:36,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 777 transitions. [2021-10-16 23:00:36,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:36,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 777 transitions. [2021-10-16 23:00:36,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 0 states have call successors, (0), 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 23:00:36,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:36,863 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:36,863 INFO L186 Difference]: Start difference. First operand has 239 places, 239 transitions, 486 flow. Second operand 3 states and 777 transitions. [2021-10-16 23:00:36,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 238 transitions, 506 flow [2021-10-16 23:00:36,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 238 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:36,867 INFO L242 Difference]: Finished difference. Result has 238 places, 238 transitions, 484 flow [2021-10-16 23:00:36,867 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=238, PETRI_TRANSITIONS=238} [2021-10-16 23:00:36,867 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -7 predicate places. [2021-10-16 23:00:36,867 INFO L470 AbstractCegarLoop]: Abstraction has has 238 places, 238 transitions, 484 flow [2021-10-16 23:00:36,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 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 23:00:36,868 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:36,868 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] [2021-10-16 23:00:36,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 23:00:36,868 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:36,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:36,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1104453945, now seen corresponding path program 1 times [2021-10-16 23:00:36,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:36,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662593054] [2021-10-16 23:00:36,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:36,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:36,924 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 23:00:36,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:36,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662593054] [2021-10-16 23:00:36,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662593054] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:36,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:36,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:36,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763048132] [2021-10-16 23:00:36,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:36,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:36,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:36,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:36,930 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 274 [2021-10-16 23:00:36,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 238 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 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 23:00:36,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:36,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 274 [2021-10-16 23:00:36,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:36,974 INFO L129 PetriNetUnfolder]: 6/237 cut-off events. [2021-10-16 23:00:36,974 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:36,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 237 events. 6/237 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 353 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 206. Up to 12 conditions per place. [2021-10-16 23:00:36,976 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 11 selfloop transitions, 2 changer transitions 0/237 dead transitions. [2021-10-16 23:00:36,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 237 transitions, 508 flow [2021-10-16 23:00:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:36,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 773 transitions. [2021-10-16 23:00:36,978 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.940389294403893 [2021-10-16 23:00:36,978 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 773 transitions. [2021-10-16 23:00:36,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 773 transitions. [2021-10-16 23:00:36,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:36,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 773 transitions. [2021-10-16 23:00:36,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 0 states have call successors, (0), 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 23:00:36,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:36,982 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:36,982 INFO L186 Difference]: Start difference. First operand has 238 places, 238 transitions, 484 flow. Second operand 3 states and 773 transitions. [2021-10-16 23:00:36,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 237 transitions, 508 flow [2021-10-16 23:00:36,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 237 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:36,986 INFO L242 Difference]: Finished difference. Result has 237 places, 237 transitions, 482 flow [2021-10-16 23:00:36,986 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=237, PETRI_TRANSITIONS=237} [2021-10-16 23:00:36,987 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -8 predicate places. [2021-10-16 23:00:36,987 INFO L470 AbstractCegarLoop]: Abstraction has has 237 places, 237 transitions, 482 flow [2021-10-16 23:00:36,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 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 23:00:36,987 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:36,987 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] [2021-10-16 23:00:36,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 23:00:36,988 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:36,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:36,988 INFO L82 PathProgramCache]: Analyzing trace with hash 477263103, now seen corresponding path program 1 times [2021-10-16 23:00:36,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:36,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659904995] [2021-10-16 23:00:36,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:36,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:00:37,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:37,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659904995] [2021-10-16 23:00:37,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659904995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:37,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:37,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:37,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402743840] [2021-10-16 23:00:37,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:37,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:37,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:37,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:37,046 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 274 [2021-10-16 23:00:37,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 237 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 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 23:00:37,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:37,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 274 [2021-10-16 23:00:37,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:37,076 INFO L129 PetriNetUnfolder]: 6/236 cut-off events. [2021-10-16 23:00:37,076 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:37,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 236 events. 6/236 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 351 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 195. Up to 9 conditions per place. [2021-10-16 23:00:37,078 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 8 selfloop transitions, 2 changer transitions 0/236 dead transitions. [2021-10-16 23:00:37,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 236 transitions, 500 flow [2021-10-16 23:00:37,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:37,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2021-10-16 23:00:37,080 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9440389294403893 [2021-10-16 23:00:37,080 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 776 transitions. [2021-10-16 23:00:37,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 776 transitions. [2021-10-16 23:00:37,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:37,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 776 transitions. [2021-10-16 23:00:37,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 0 states have call successors, (0), 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 23:00:37,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,084 INFO L186 Difference]: Start difference. First operand has 237 places, 237 transitions, 482 flow. Second operand 3 states and 776 transitions. [2021-10-16 23:00:37,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 236 transitions, 500 flow [2021-10-16 23:00:37,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 236 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:37,088 INFO L242 Difference]: Finished difference. Result has 236 places, 236 transitions, 480 flow [2021-10-16 23:00:37,088 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=236, PETRI_TRANSITIONS=236} [2021-10-16 23:00:37,089 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -9 predicate places. [2021-10-16 23:00:37,089 INFO L470 AbstractCegarLoop]: Abstraction has has 236 places, 236 transitions, 480 flow [2021-10-16 23:00:37,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 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 23:00:37,090 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:37,090 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] [2021-10-16 23:00:37,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 23:00:37,091 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:37,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:37,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1923006870, now seen corresponding path program 1 times [2021-10-16 23:00:37,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:37,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998088081] [2021-10-16 23:00:37,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:37,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:37,136 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 23:00:37,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:37,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998088081] [2021-10-16 23:00:37,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998088081] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:37,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:37,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:37,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607151475] [2021-10-16 23:00:37,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:37,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:37,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:37,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:37,139 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 274 [2021-10-16 23:00:37,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 236 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 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 23:00:37,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:37,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 274 [2021-10-16 23:00:37,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:37,165 INFO L129 PetriNetUnfolder]: 6/235 cut-off events. [2021-10-16 23:00:37,165 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:37,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 235 events. 6/235 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 350 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 188. Up to 9 conditions per place. [2021-10-16 23:00:37,167 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 8 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2021-10-16 23:00:37,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 235 transitions, 498 flow [2021-10-16 23:00:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2021-10-16 23:00:37,169 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9440389294403893 [2021-10-16 23:00:37,169 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 776 transitions. [2021-10-16 23:00:37,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 776 transitions. [2021-10-16 23:00:37,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:37,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 776 transitions. [2021-10-16 23:00:37,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 0 states have call successors, (0), 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 23:00:37,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,172 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,172 INFO L186 Difference]: Start difference. First operand has 236 places, 236 transitions, 480 flow. Second operand 3 states and 776 transitions. [2021-10-16 23:00:37,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 235 transitions, 498 flow [2021-10-16 23:00:37,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 235 transitions, 494 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:37,176 INFO L242 Difference]: Finished difference. Result has 235 places, 235 transitions, 478 flow [2021-10-16 23:00:37,176 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=235, PETRI_TRANSITIONS=235} [2021-10-16 23:00:37,176 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -10 predicate places. [2021-10-16 23:00:37,176 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 235 transitions, 478 flow [2021-10-16 23:00:37,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 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 23:00:37,192 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:37,192 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:00:37,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 23:00:37,192 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:37,192 INFO L82 PathProgramCache]: Analyzing trace with hash -708937252, now seen corresponding path program 1 times [2021-10-16 23:00:37,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:37,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895372639] [2021-10-16 23:00:37,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:37,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:37,249 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 23:00:37,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:37,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895372639] [2021-10-16 23:00:37,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895372639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:37,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:37,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:37,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106474930] [2021-10-16 23:00:37,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:37,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:37,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:37,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:37,251 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 274 [2021-10-16 23:00:37,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 235 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 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 23:00:37,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:37,252 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 274 [2021-10-16 23:00:37,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:37,297 INFO L129 PetriNetUnfolder]: 6/234 cut-off events. [2021-10-16 23:00:37,297 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:37,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 234 events. 6/234 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 343 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 182. Up to 11 conditions per place. [2021-10-16 23:00:37,299 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 10 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2021-10-16 23:00:37,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 234 transitions, 500 flow [2021-10-16 23:00:37,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2021-10-16 23:00:37,301 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9391727493917275 [2021-10-16 23:00:37,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 772 transitions. [2021-10-16 23:00:37,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 772 transitions. [2021-10-16 23:00:37,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:37,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 772 transitions. [2021-10-16 23:00:37,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 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 23:00:37,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,305 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,305 INFO L186 Difference]: Start difference. First operand has 235 places, 235 transitions, 478 flow. Second operand 3 states and 772 transitions. [2021-10-16 23:00:37,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 234 transitions, 500 flow [2021-10-16 23:00:37,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 234 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:37,311 INFO L242 Difference]: Finished difference. Result has 234 places, 234 transitions, 476 flow [2021-10-16 23:00:37,312 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=234, PETRI_TRANSITIONS=234} [2021-10-16 23:00:37,312 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -11 predicate places. [2021-10-16 23:00:37,312 INFO L470 AbstractCegarLoop]: Abstraction has has 234 places, 234 transitions, 476 flow [2021-10-16 23:00:37,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 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 23:00:37,312 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:37,312 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, 1, 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 23:00:37,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 23:00:37,313 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:37,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:37,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1241107403, now seen corresponding path program 1 times [2021-10-16 23:00:37,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:37,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075204763] [2021-10-16 23:00:37,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:37,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:37,346 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 23:00:37,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:37,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075204763] [2021-10-16 23:00:37,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075204763] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:37,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:37,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:37,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192608979] [2021-10-16 23:00:37,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:37,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:37,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:37,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:37,349 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 274 [2021-10-16 23:00:37,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 234 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 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 23:00:37,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:37,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 274 [2021-10-16 23:00:37,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:37,380 INFO L129 PetriNetUnfolder]: 6/233 cut-off events. [2021-10-16 23:00:37,380 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:37,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 233 events. 6/233 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 336 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 199. Up to 8 conditions per place. [2021-10-16 23:00:37,381 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 7 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2021-10-16 23:00:37,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 233 transitions, 492 flow [2021-10-16 23:00:37,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2021-10-16 23:00:37,383 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9428223844282239 [2021-10-16 23:00:37,383 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 775 transitions. [2021-10-16 23:00:37,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 775 transitions. [2021-10-16 23:00:37,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:37,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 775 transitions. [2021-10-16 23:00:37,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 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 23:00:37,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,386 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,386 INFO L186 Difference]: Start difference. First operand has 234 places, 234 transitions, 476 flow. Second operand 3 states and 775 transitions. [2021-10-16 23:00:37,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 233 transitions, 492 flow [2021-10-16 23:00:37,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 233 transitions, 488 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:37,390 INFO L242 Difference]: Finished difference. Result has 233 places, 233 transitions, 474 flow [2021-10-16 23:00:37,390 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=233, PETRI_TRANSITIONS=233} [2021-10-16 23:00:37,390 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -12 predicate places. [2021-10-16 23:00:37,391 INFO L470 AbstractCegarLoop]: Abstraction has has 233 places, 233 transitions, 474 flow [2021-10-16 23:00:37,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 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 23:00:37,391 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:37,391 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, 1, 1, 1, 1, 1, 1, 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 23:00:37,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 23:00:37,392 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:37,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:37,392 INFO L82 PathProgramCache]: Analyzing trace with hash -66294645, now seen corresponding path program 1 times [2021-10-16 23:00:37,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:37,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228658666] [2021-10-16 23:00:37,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:37,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:37,426 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 23:00:37,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:37,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228658666] [2021-10-16 23:00:37,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228658666] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:37,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:37,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:37,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378537273] [2021-10-16 23:00:37,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:37,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:37,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:37,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:37,431 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 274 [2021-10-16 23:00:37,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 233 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 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 23:00:37,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:37,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 274 [2021-10-16 23:00:37,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:37,457 INFO L129 PetriNetUnfolder]: 6/232 cut-off events. [2021-10-16 23:00:37,458 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:37,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 232 events. 6/232 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 329 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 232. Up to 12 conditions per place. [2021-10-16 23:00:37,459 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 11 selfloop transitions, 2 changer transitions 0/232 dead transitions. [2021-10-16 23:00:37,459 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 232 transitions, 498 flow [2021-10-16 23:00:37,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 770 transitions. [2021-10-16 23:00:37,461 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9367396593673966 [2021-10-16 23:00:37,461 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 770 transitions. [2021-10-16 23:00:37,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 770 transitions. [2021-10-16 23:00:37,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:37,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 770 transitions. [2021-10-16 23:00:37,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 256.6666666666667) internal successors, (770), 3 states have internal predecessors, (770), 0 states have call successors, (0), 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 23:00:37,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,464 INFO L186 Difference]: Start difference. First operand has 233 places, 233 transitions, 474 flow. Second operand 3 states and 770 transitions. [2021-10-16 23:00:37,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 232 transitions, 498 flow [2021-10-16 23:00:37,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 232 transitions, 494 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:37,467 INFO L242 Difference]: Finished difference. Result has 232 places, 232 transitions, 472 flow [2021-10-16 23:00:37,468 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=232, PETRI_TRANSITIONS=232} [2021-10-16 23:00:37,468 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -13 predicate places. [2021-10-16 23:00:37,469 INFO L470 AbstractCegarLoop]: Abstraction has has 232 places, 232 transitions, 472 flow [2021-10-16 23:00:37,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 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 23:00:37,469 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:37,469 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, 1, 1, 1, 1, 1, 1, 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 23:00:37,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 23:00:37,469 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:37,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:37,470 INFO L82 PathProgramCache]: Analyzing trace with hash -343582634, now seen corresponding path program 1 times [2021-10-16 23:00:37,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:37,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499889840] [2021-10-16 23:00:37,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:37,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:37,504 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 23:00:37,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:37,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499889840] [2021-10-16 23:00:37,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499889840] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:37,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:37,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:37,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504214375] [2021-10-16 23:00:37,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:37,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:37,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:37,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:37,507 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 274 [2021-10-16 23:00:37,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 232 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 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 23:00:37,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:37,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 274 [2021-10-16 23:00:37,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:37,529 INFO L129 PetriNetUnfolder]: 6/231 cut-off events. [2021-10-16 23:00:37,529 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:37,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 231 events. 6/231 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 324 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 238. Up to 8 conditions per place. [2021-10-16 23:00:37,531 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 7 selfloop transitions, 2 changer transitions 0/231 dead transitions. [2021-10-16 23:00:37,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 231 transitions, 488 flow [2021-10-16 23:00:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2021-10-16 23:00:37,533 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9428223844282239 [2021-10-16 23:00:37,533 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 775 transitions. [2021-10-16 23:00:37,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 775 transitions. [2021-10-16 23:00:37,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:37,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 775 transitions. [2021-10-16 23:00:37,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 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 23:00:37,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,536 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,536 INFO L186 Difference]: Start difference. First operand has 232 places, 232 transitions, 472 flow. Second operand 3 states and 775 transitions. [2021-10-16 23:00:37,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 231 transitions, 488 flow [2021-10-16 23:00:37,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 231 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:37,540 INFO L242 Difference]: Finished difference. Result has 231 places, 231 transitions, 470 flow [2021-10-16 23:00:37,540 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=231, PETRI_TRANSITIONS=231} [2021-10-16 23:00:37,540 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -14 predicate places. [2021-10-16 23:00:37,540 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 231 transitions, 470 flow [2021-10-16 23:00:37,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 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 23:00:37,541 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:37,541 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:00:37,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 23:00:37,541 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:37,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:37,542 INFO L82 PathProgramCache]: Analyzing trace with hash 645806523, now seen corresponding path program 1 times [2021-10-16 23:00:37,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:37,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345508500] [2021-10-16 23:00:37,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:37,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:37,570 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 23:00:37,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:37,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345508500] [2021-10-16 23:00:37,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345508500] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:37,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:37,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:37,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548692780] [2021-10-16 23:00:37,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:37,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:37,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:37,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:37,572 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 274 [2021-10-16 23:00:37,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 231 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 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 23:00:37,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:37,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 274 [2021-10-16 23:00:37,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:37,600 INFO L129 PetriNetUnfolder]: 6/230 cut-off events. [2021-10-16 23:00:37,600 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:37,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 230 events. 6/230 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 318 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 227. Up to 9 conditions per place. [2021-10-16 23:00:37,601 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 8 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2021-10-16 23:00:37,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 230 transitions, 488 flow [2021-10-16 23:00:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2021-10-16 23:00:37,603 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9440389294403893 [2021-10-16 23:00:37,603 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 776 transitions. [2021-10-16 23:00:37,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 776 transitions. [2021-10-16 23:00:37,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:37,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 776 transitions. [2021-10-16 23:00:37,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 0 states have call successors, (0), 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 23:00:37,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,606 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,606 INFO L186 Difference]: Start difference. First operand has 231 places, 231 transitions, 470 flow. Second operand 3 states and 776 transitions. [2021-10-16 23:00:37,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 230 transitions, 488 flow [2021-10-16 23:00:37,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 230 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:37,609 INFO L242 Difference]: Finished difference. Result has 230 places, 230 transitions, 468 flow [2021-10-16 23:00:37,609 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=230, PETRI_TRANSITIONS=230} [2021-10-16 23:00:37,609 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -15 predicate places. [2021-10-16 23:00:37,610 INFO L470 AbstractCegarLoop]: Abstraction has has 230 places, 230 transitions, 468 flow [2021-10-16 23:00:37,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 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 23:00:37,610 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:00:37,610 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:00:37,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-16 23:00:37,610 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-10-16 23:00:37,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:00:37,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1537043940, now seen corresponding path program 1 times [2021-10-16 23:00:37,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:00:37,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328201392] [2021-10-16 23:00:37,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:00:37,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:00:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:00:37,634 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 23:00:37,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:00:37,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328201392] [2021-10-16 23:00:37,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328201392] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:00:37,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:00:37,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:00:37,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780360231] [2021-10-16 23:00:37,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:00:37,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:00:37,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:00:37,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:00:37,639 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 274 [2021-10-16 23:00:37,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 230 transitions, 468 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 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 23:00:37,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:00:37,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 274 [2021-10-16 23:00:37,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:00:37,662 INFO L129 PetriNetUnfolder]: 6/229 cut-off events. [2021-10-16 23:00:37,662 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:00:37,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 229 events. 6/229 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 317 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 238. Up to 10 conditions per place. [2021-10-16 23:00:37,663 INFO L132 encePairwiseOnDemand]: 271/274 looper letters, 0 selfloop transitions, 0 changer transitions 229/229 dead transitions. [2021-10-16 23:00:37,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 229 transitions, 488 flow [2021-10-16 23:00:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:00:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:00:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions. [2021-10-16 23:00:37,665 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9379562043795621 [2021-10-16 23:00:37,665 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 771 transitions. [2021-10-16 23:00:37,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 771 transitions. [2021-10-16 23:00:37,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:00:37,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 771 transitions. [2021-10-16 23:00:37,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 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 23:00:37,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,668 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 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 23:00:37,668 INFO L186 Difference]: Start difference. First operand has 230 places, 230 transitions, 468 flow. Second operand 3 states and 771 transitions. [2021-10-16 23:00:37,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 229 transitions, 488 flow [2021-10-16 23:00:37,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 229 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:00:37,671 INFO L242 Difference]: Finished difference. Result has 229 places, 0 transitions, 0 flow [2021-10-16 23:00:37,671 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=229, PETRI_TRANSITIONS=0} [2021-10-16 23:00:37,671 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -16 predicate places. [2021-10-16 23:00:37,671 INFO L470 AbstractCegarLoop]: Abstraction has has 229 places, 0 transitions, 0 flow [2021-10-16 23:00:37,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 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 23:00:37,674 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:00:37,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-16 23:00:37,681 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:00:37,681 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:00:37,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:00:37 BasicIcfg [2021-10-16 23:00:37,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:00:37,684 INFO L168 Benchmark]: Toolchain (without parser) took 2495.44 ms. Allocated memory was 180.4 MB in the beginning and 248.5 MB in the end (delta: 68.2 MB). Free memory was 130.5 MB in the beginning and 92.2 MB in the end (delta: 38.4 MB). Peak memory consumption was 107.2 MB. Max. memory is 8.0 GB. [2021-10-16 23:00:37,685 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 180.4 MB. Free memory is still 147.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:00:37,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.43 ms. Allocated memory is still 180.4 MB. Free memory was 130.4 MB in the beginning and 155.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 8.0 GB. [2021-10-16 23:00:37,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.04 ms. Allocated memory is still 180.4 MB. Free memory was 155.2 MB in the beginning and 153.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:00:37,686 INFO L168 Benchmark]: Boogie Preprocessor took 29.98 ms. Allocated memory is still 180.4 MB. Free memory was 153.1 MB in the beginning and 151.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:00:37,687 INFO L168 Benchmark]: RCFGBuilder took 425.70 ms. Allocated memory is still 180.4 MB. Free memory was 151.5 MB in the beginning and 133.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-10-16 23:00:37,687 INFO L168 Benchmark]: TraceAbstraction took 1741.99 ms. Allocated memory was 180.4 MB in the beginning and 248.5 MB in the end (delta: 68.2 MB). Free memory was 133.2 MB in the beginning and 92.2 MB in the end (delta: 41.0 MB). Peak memory consumption was 110.2 MB. Max. memory is 8.0 GB. [2021-10-16 23:00:37,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 180.4 MB. Free memory is still 147.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 250.43 ms. Allocated memory is still 180.4 MB. Free memory was 130.4 MB in the beginning and 155.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 41.04 ms. Allocated memory is still 180.4 MB. Free memory was 155.2 MB in the beginning and 153.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.98 ms. Allocated memory is still 180.4 MB. Free memory was 153.1 MB in the beginning and 151.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 425.70 ms. Allocated memory is still 180.4 MB. Free memory was 151.5 MB in the beginning and 133.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1741.99 ms. Allocated memory was 180.4 MB in the beginning and 248.5 MB in the end (delta: 68.2 MB). Free memory was 133.2 MB in the beginning and 92.2 MB in the end (delta: 41.0 MB). Peak memory consumption was 110.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 360 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1589.9ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 702.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 133.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 124 SDtfs, 13 SDslu, 0 SDs, 0 SdLazy, 124 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 83.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=507occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 40.0ms SsaConstructionTime, 152.4ms SatisfiabilityAnalysisTime, 347.3ms InterpolantComputationTime, 1056 NumberOfCodeBlocks, 1056 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1043 ConstructedInterpolants, 0 QuantifiedInterpolants, 1069 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 23:00:37,710 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...