/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/goblint-regression/03-practical_08-nonterm1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:06:03,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 23:06:03,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 23:06:03,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 23:06:03,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 23:06:03,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 23:06:03,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 23:06:03,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 23:06:03,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 23:06:03,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 23:06:03,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 23:06:03,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 23:06:03,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 23:06:03,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 23:06:03,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 23:06:03,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 23:06:03,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 23:06:03,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 23:06:03,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 23:06:03,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 23:06:03,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 23:06:03,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 23:06:03,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 23:06:03,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 23:06:03,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 23:06:03,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 23:06:03,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 23:06:03,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 23:06:03,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 23:06:03,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 23:06:03,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 23:06:03,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 23:06:03,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 23:06:03,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 23:06:03,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 23:06:03,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 23:06:03,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 23:06:03,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 23:06:03,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:06:03,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:06:03,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:06:03,555 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 23:06:03,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:06:03,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:06:03,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:06:03,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:06:03,581 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:06:03,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:06:03,581 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:06:03,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:06:03,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:06:03,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:06:03,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:06:03,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:06:03,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:06:03,583 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:06:03,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:06:03,583 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:06:03,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:06:03,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:06:03,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:06:03,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:06:03,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:06:03,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:06:03,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:06:03,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:06:03,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:06:03,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:06:03,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:06:03,585 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:06:03,585 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:06:03,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:06:03,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:06:03,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:06:03,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:06:03,808 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:06:03,808 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:06:03,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2021-10-16 23:06:03,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477bee52a/06cd311f7d084a829256ca0859229bfd/FLAG2376708bf [2021-10-16 23:06:04,292 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:06:04,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2021-10-16 23:06:04,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477bee52a/06cd311f7d084a829256ca0859229bfd/FLAG2376708bf [2021-10-16 23:06:04,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477bee52a/06cd311f7d084a829256ca0859229bfd [2021-10-16 23:06:04,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:06:04,322 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:06:04,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:06:04,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:06:04,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:06:04,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8aa8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04, skipping insertion in model container [2021-10-16 23:06:04,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:06:04,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:06:04,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:06:04,728 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:06:04,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:06:04,798 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:06:04,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04 WrapperNode [2021-10-16 23:06:04,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:06:04,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:06:04,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:06:04,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:06:04,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:06:04,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:06:04,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:06:04,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:06:04,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:06:04,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:06:04,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:06:04,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:06:04,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (1/1) ... [2021-10-16 23:06:04,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:06:04,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:06:04,897 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 23:06:04,905 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 23:06:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:06:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:06:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:06:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:06:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 23:06:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 23:06:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 23:06:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:06:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:06:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:06:04,937 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 23:06:05,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:06:05,193 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 23:06:05,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:06:05 BoogieIcfgContainer [2021-10-16 23:06:05,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:06:05,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:06:05,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:06:05,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:06:05,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:06:04" (1/3) ... [2021-10-16 23:06:05,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ccad7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:06:05, skipping insertion in model container [2021-10-16 23:06:05,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:04" (2/3) ... [2021-10-16 23:06:05,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ccad7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:06:05, skipping insertion in model container [2021-10-16 23:06:05,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:06:05" (3/3) ... [2021-10-16 23:06:05,200 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_08-nonterm1.i [2021-10-16 23:06:05,203 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:06:05,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 23:06:05,203 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:06:05,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,226 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,226 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,227 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,227 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,230 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,231 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,231 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,232 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,234 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,234 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,237 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,237 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,237 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,238 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,243 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,243 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,244 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:05,258 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 23:06:05,296 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:06:05,302 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 23:06:05,302 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-16 23:06:05,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 94 transitions, 196 flow [2021-10-16 23:06:05,352 INFO L129 PetriNetUnfolder]: 2/93 cut-off events. [2021-10-16 23:06:05,353 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:06:05,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 93 events. 2/93 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2021-10-16 23:06:05,358 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 94 transitions, 196 flow [2021-10-16 23:06:05,362 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 81 transitions, 165 flow [2021-10-16 23:06:05,372 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-10-16 23:06:05,373 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:06:05,373 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:05,373 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:06:05,374 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 23:06:05,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:05,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1812725437, now seen corresponding path program 1 times [2021-10-16 23:06:05,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:05,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299973558] [2021-10-16 23:06:05,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:05,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:06:05,579 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 23:06:05,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:06:05,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299973558] [2021-10-16 23:06:05,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299973558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:06:05,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:06:05,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:06:05,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807227529] [2021-10-16 23:06:05,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:06:05,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:06:05,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:06:05,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:06:05,600 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 94 [2021-10-16 23:06:05,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 81 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 23:06:05,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:06:05,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 94 [2021-10-16 23:06:05,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:06:05,670 INFO L129 PetriNetUnfolder]: 50/290 cut-off events. [2021-10-16 23:06:05,670 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:06:05,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 290 events. 50/290 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1232 event pairs, 30 based on Foata normal form. 5/267 useless extension candidates. Maximal degree in co-relation 372. Up to 90 conditions per place. [2021-10-16 23:06:05,673 INFO L132 encePairwiseOnDemand]: 86/94 looper letters, 16 selfloop transitions, 5 changer transitions 0/83 dead transitions. [2021-10-16 23:06:05,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 83 transitions, 211 flow [2021-10-16 23:06:05,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:06:05,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:06:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 252 transitions. [2021-10-16 23:06:05,687 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8936170212765957 [2021-10-16 23:06:05,688 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 252 transitions. [2021-10-16 23:06:05,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 252 transitions. [2021-10-16 23:06:05,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:06:05,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 252 transitions. [2021-10-16 23:06:05,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 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 23:06:05,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 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 23:06:05,701 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 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 23:06:05,703 INFO L186 Difference]: Start difference. First operand has 83 places, 81 transitions, 165 flow. Second operand 3 states and 252 transitions. [2021-10-16 23:06:05,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 83 transitions, 211 flow [2021-10-16 23:06:05,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 83 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-16 23:06:05,712 INFO L242 Difference]: Finished difference. Result has 83 places, 81 transitions, 194 flow [2021-10-16 23:06:05,713 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=83, PETRI_TRANSITIONS=81} [2021-10-16 23:06:05,714 INFO L334 CegarLoopForPetriNet]: 83 programPoint places, 0 predicate places. [2021-10-16 23:06:05,715 INFO L470 AbstractCegarLoop]: Abstraction has has 83 places, 81 transitions, 194 flow [2021-10-16 23:06:05,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 23:06:05,715 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:05,715 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] [2021-10-16 23:06:05,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:06:05,716 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 23:06:05,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:05,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1478804518, now seen corresponding path program 1 times [2021-10-16 23:06:05,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:05,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654803644] [2021-10-16 23:06:05,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:05,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:06:05,797 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 23:06:05,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:06:05,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654803644] [2021-10-16 23:06:05,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654803644] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:06:05,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:06:05,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:06:05,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732908289] [2021-10-16 23:06:05,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:06:05,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:06:05,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:06:05,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:06:05,800 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 94 [2021-10-16 23:06:05,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 81 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 23:06:05,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:06:05,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 94 [2021-10-16 23:06:05,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:06:05,883 INFO L129 PetriNetUnfolder]: 72/367 cut-off events. [2021-10-16 23:06:05,883 INFO L130 PetriNetUnfolder]: For 64/66 co-relation queries the response was YES. [2021-10-16 23:06:05,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 367 events. 72/367 cut-off events. For 64/66 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1674 event pairs, 25 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 572. Up to 108 conditions per place. [2021-10-16 23:06:05,889 INFO L132 encePairwiseOnDemand]: 86/94 looper letters, 20 selfloop transitions, 8 changer transitions 1/92 dead transitions. [2021-10-16 23:06:05,889 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 92 transitions, 286 flow [2021-10-16 23:06:05,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:06:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:06:05,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2021-10-16 23:06:05,893 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.900709219858156 [2021-10-16 23:06:05,893 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 254 transitions. [2021-10-16 23:06:05,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 254 transitions. [2021-10-16 23:06:05,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:06:05,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 254 transitions. [2021-10-16 23:06:05,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 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 23:06:05,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 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 23:06:05,896 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 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 23:06:05,897 INFO L186 Difference]: Start difference. First operand has 83 places, 81 transitions, 194 flow. Second operand 3 states and 254 transitions. [2021-10-16 23:06:05,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 92 transitions, 286 flow [2021-10-16 23:06:05,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 92 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:06:05,901 INFO L242 Difference]: Finished difference. Result has 85 places, 87 transitions, 244 flow [2021-10-16 23:06:05,902 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=85, PETRI_TRANSITIONS=87} [2021-10-16 23:06:05,902 INFO L334 CegarLoopForPetriNet]: 83 programPoint places, 2 predicate places. [2021-10-16 23:06:05,902 INFO L470 AbstractCegarLoop]: Abstraction has has 85 places, 87 transitions, 244 flow [2021-10-16 23:06:05,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 23:06:05,902 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:05,902 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:06:05,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:06:05,903 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 23:06:05,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:05,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1815566295, now seen corresponding path program 1 times [2021-10-16 23:06:05,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:05,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843343435] [2021-10-16 23:06:05,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:05,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:06:05,970 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 23:06:05,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:06:05,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843343435] [2021-10-16 23:06:05,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843343435] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:06:05,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:06:05,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 23:06:05,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623463109] [2021-10-16 23:06:05,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:06:05,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:06:05,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:06:05,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:06:05,973 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 94 [2021-10-16 23:06:05,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 87 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 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 23:06:05,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:06:05,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 94 [2021-10-16 23:06:05,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:06:06,010 INFO L129 PetriNetUnfolder]: 20/202 cut-off events. [2021-10-16 23:06:06,010 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-10-16 23:06:06,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 202 events. 20/202 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 596 event pairs, 5 based on Foata normal form. 2/196 useless extension candidates. Maximal degree in co-relation 275. Up to 28 conditions per place. [2021-10-16 23:06:06,012 INFO L132 encePairwiseOnDemand]: 89/94 looper letters, 8 selfloop transitions, 5 changer transitions 2/83 dead transitions. [2021-10-16 23:06:06,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 83 transitions, 242 flow [2021-10-16 23:06:06,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:06:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:06:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2021-10-16 23:06:06,013 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9113475177304965 [2021-10-16 23:06:06,013 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2021-10-16 23:06:06,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2021-10-16 23:06:06,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:06:06,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2021-10-16 23:06:06,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 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 23:06:06,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 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 23:06:06,016 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 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 23:06:06,016 INFO L186 Difference]: Start difference. First operand has 85 places, 87 transitions, 244 flow. Second operand 3 states and 257 transitions. [2021-10-16 23:06:06,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 83 transitions, 242 flow [2021-10-16 23:06:06,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 83 transitions, 218 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-10-16 23:06:06,019 INFO L242 Difference]: Finished difference. Result has 82 places, 80 transitions, 192 flow [2021-10-16 23:06:06,019 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=82, PETRI_TRANSITIONS=80} [2021-10-16 23:06:06,020 INFO L334 CegarLoopForPetriNet]: 83 programPoint places, -1 predicate places. [2021-10-16 23:06:06,020 INFO L470 AbstractCegarLoop]: Abstraction has has 82 places, 80 transitions, 192 flow [2021-10-16 23:06:06,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 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 23:06:06,020 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:06,020 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] [2021-10-16 23:06:06,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:06:06,020 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 23:06:06,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:06,021 INFO L82 PathProgramCache]: Analyzing trace with hash 420700696, now seen corresponding path program 1 times [2021-10-16 23:06:06,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:06,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345928420] [2021-10-16 23:06:06,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:06,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:06:06,091 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 23:06:06,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:06:06,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345928420] [2021-10-16 23:06:06,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345928420] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:06:06,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:06:06,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:06:06,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695985060] [2021-10-16 23:06:06,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:06:06,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:06:06,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:06:06,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:06:06,096 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 94 [2021-10-16 23:06:06,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 80 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 23:06:06,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:06:06,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 94 [2021-10-16 23:06:06,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:06:06,142 INFO L129 PetriNetUnfolder]: 43/267 cut-off events. [2021-10-16 23:06:06,143 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-10-16 23:06:06,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 267 events. 43/267 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 994 event pairs, 16 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 415. Up to 77 conditions per place. [2021-10-16 23:06:06,144 INFO L132 encePairwiseOnDemand]: 88/94 looper letters, 16 selfloop transitions, 5 changer transitions 5/87 dead transitions. [2021-10-16 23:06:06,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 87 transitions, 264 flow [2021-10-16 23:06:06,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:06:06,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:06:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2021-10-16 23:06:06,146 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.875886524822695 [2021-10-16 23:06:06,146 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 247 transitions. [2021-10-16 23:06:06,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 247 transitions. [2021-10-16 23:06:06,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:06:06,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 247 transitions. [2021-10-16 23:06:06,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 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 23:06:06,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 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 23:06:06,147 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 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 23:06:06,147 INFO L186 Difference]: Start difference. First operand has 82 places, 80 transitions, 192 flow. Second operand 3 states and 247 transitions. [2021-10-16 23:06:06,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 87 transitions, 264 flow [2021-10-16 23:06:06,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 87 transitions, 264 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-16 23:06:06,153 INFO L242 Difference]: Finished difference. Result has 86 places, 81 transitions, 222 flow [2021-10-16 23:06:06,153 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=86, PETRI_TRANSITIONS=81} [2021-10-16 23:06:06,154 INFO L334 CegarLoopForPetriNet]: 83 programPoint places, 3 predicate places. [2021-10-16 23:06:06,154 INFO L470 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 222 flow [2021-10-16 23:06:06,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 23:06:06,154 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:06,154 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] [2021-10-16 23:06:06,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 23:06:06,155 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 23:06:06,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:06,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1361939620, now seen corresponding path program 1 times [2021-10-16 23:06:06,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:06,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000143325] [2021-10-16 23:06:06,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:06,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:06:06,197 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 23:06:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:06:06,253 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 23:06:06,253 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 23:06:06,254 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:06,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:06:06,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:06,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:06,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:06,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:06,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 23:06:06,261 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:06:06,262 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:06:06,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:06:06 BasicIcfg [2021-10-16 23:06:06,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:06:06,316 INFO L168 Benchmark]: Toolchain (without parser) took 1993.09 ms. Allocated memory was 189.8 MB in the beginning and 244.3 MB in the end (delta: 54.5 MB). Free memory was 132.2 MB in the beginning and 148.0 MB in the end (delta: -15.8 MB). Peak memory consumption was 39.9 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:06,316 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 189.8 MB. Free memory is still 150.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:06:06,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.14 ms. Allocated memory was 189.8 MB in the beginning and 244.3 MB in the end (delta: 54.5 MB). Free memory was 132.0 MB in the beginning and 197.8 MB in the end (delta: -65.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:06,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.97 ms. Allocated memory is still 244.3 MB. Free memory was 197.3 MB in the beginning and 195.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:06,319 INFO L168 Benchmark]: Boogie Preprocessor took 24.64 ms. Allocated memory is still 244.3 MB. Free memory was 195.2 MB in the beginning and 193.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:06,320 INFO L168 Benchmark]: RCFGBuilder took 318.45 ms. Allocated memory is still 244.3 MB. Free memory was 193.6 MB in the beginning and 180.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:06,321 INFO L168 Benchmark]: TraceAbstraction took 1118.53 ms. Allocated memory is still 244.3 MB. Free memory was 180.0 MB in the beginning and 148.0 MB in the end (delta: 31.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:06,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 189.8 MB. Free memory is still 150.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 475.14 ms. Allocated memory was 189.8 MB in the beginning and 244.3 MB in the end (delta: 54.5 MB). Free memory was 132.0 MB in the beginning and 197.8 MB in the end (delta: -65.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.97 ms. Allocated memory is still 244.3 MB. Free memory was 197.3 MB in the beginning and 195.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.64 ms. Allocated memory is still 244.3 MB. Free memory was 195.2 MB in the beginning and 193.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 318.45 ms. Allocated memory is still 244.3 MB. Free memory was 193.6 MB in the beginning and 180.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1118.53 ms. Allocated memory is still 244.3 MB. Free memory was 180.0 MB in the beginning and 148.0 MB in the end (delta: 31.9 MB). Peak memory consumption was 33.5 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 - CounterExampleResult [Line: 932]: the program contains a data race the program contains a data race We found a FailurePath: [L911] 0 int myglobal; VAL [myglobal=0] [L912] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={5:0}, myglobal=0] [L913] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={5:0}, mutex2={6:0}, myglobal=0] [L929] 0 pthread_t id; VAL [mutex1={5:0}, mutex2={6:0}, myglobal=0] [L930] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [mutex1={5:0}, mutex2={6:0}, myglobal=0] [L923] 1 myglobal=myglobal+1 VAL [mutex1={5:0}, mutex2={6:0}, myglobal=1] [L932] 0 myglobal=myglobal+1 VAL [mutex1={5:0}, mutex2={6:0}, myglobal=2] [L915] 1 int i = __VERIFIER_nondet_int(); VAL [mutex1={5:0}, mutex2={6:0}, myglobal=2] [L932] 0 myglobal=myglobal+1 VAL [mutex1={5:0}, mutex2={6:0}, myglobal=2] - UnprovableResult [Line: 930]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 917]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 130 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 966.4ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 330.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 60.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 59 SDtfs, 11 SDslu, 0 SDs, 0 SdLazy, 72 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=2, InterpolantAutomatonStates: 12, 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: 24.2ms SsaConstructionTime, 101.5ms SatisfiabilityAnalysisTime, 218.9ms InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 23:06:06,352 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...