/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-OGIterative.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 02:21:39,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 02:21:39,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 02:21:39,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 02:21:39,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 02:21:39,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 02:21:39,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 02:21:39,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 02:21:39,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 02:21:39,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 02:21:39,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 02:21:39,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 02:21:39,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 02:21:39,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 02:21:39,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 02:21:39,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 02:21:39,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 02:21:39,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 02:21:39,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 02:21:39,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 02:21:39,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 02:21:39,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 02:21:39,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 02:21:39,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 02:21:39,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 02:21:39,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 02:21:39,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 02:21:39,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 02:21:39,472 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-OGIterative.epf [2021-08-13 02:21:39,505 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 02:21:39,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 02:21:39,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 02:21:39,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 02:21:39,509 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 02:21:39,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 02:21:39,509 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 02:21:39,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 02:21:39,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 02:21:39,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 02:21:39,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 02:21:39,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 02:21:39,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 02:21:39,510 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 02:21:39,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 02:21:39,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 02:21:39,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 02:21:39,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 02:21:39,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 02:21:39,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 02:21:39,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 02:21:39,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 02:21:39,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 02:21:39,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 02:21:39,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 02:21:39,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 02:21:39,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 02:21:39,512 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 02:21:39,512 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 02:21:39,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 02:21:39,512 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 02:21:39,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 02:21:39,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 02:21:39,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 02:21:39,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 02:21:39,799 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 02:21:39,801 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 02:21:39,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-08-13 02:21:39,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/327bd07f9/e176afc7b23c4bfcba3bebf6300cbef3/FLAGeaa5ceef7 [2021-08-13 02:21:40,317 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 02:21:40,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-08-13 02:21:40,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/327bd07f9/e176afc7b23c4bfcba3bebf6300cbef3/FLAGeaa5ceef7 [2021-08-13 02:21:40,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/327bd07f9/e176afc7b23c4bfcba3bebf6300cbef3 [2021-08-13 02:21:40,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 02:21:40,341 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 02:21:40,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 02:21:40,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 02:21:40,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 02:21:40,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13aba61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40, skipping insertion in model container [2021-08-13 02:21:40,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 02:21:40,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 02:21:40,695 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-08-13 02:21:40,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 02:21:40,724 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 02:21:40,758 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-08-13 02:21:40,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 02:21:40,821 INFO L208 MainTranslator]: Completed translation [2021-08-13 02:21:40,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40 WrapperNode [2021-08-13 02:21:40,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 02:21:40,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 02:21:40,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 02:21:40,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 02:21:40,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 02:21:40,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 02:21:40,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 02:21:40,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 02:21:40,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (1/1) ... [2021-08-13 02:21:40,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 02:21:40,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 02:21:40,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 02:21:40,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 02:21:40,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 02:21:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 02:21:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 02:21:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-13 02:21:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 02:21:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-08-13 02:21:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-08-13 02:21:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 02:21:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 02:21:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 02:21:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 02:21:40,984 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 02:21:41,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 02:21:41,348 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-13 02:21:41,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 02:21:41 BoogieIcfgContainer [2021-08-13 02:21:41,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 02:21:41,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 02:21:41,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 02:21:41,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 02:21:41,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 02:21:40" (1/3) ... [2021-08-13 02:21:41,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5046e175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 02:21:41, skipping insertion in model container [2021-08-13 02:21:41,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:21:40" (2/3) ... [2021-08-13 02:21:41,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5046e175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 02:21:41, skipping insertion in model container [2021-08-13 02:21:41,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 02:21:41" (3/3) ... [2021-08-13 02:21:41,356 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-08-13 02:21:41,360 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 02:21:41,360 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 02:21:41,361 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 02:21:41,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,387 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,387 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,387 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,388 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,389 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,389 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,389 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,389 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,389 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,389 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,389 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,389 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,392 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,392 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,395 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,395 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,396 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,396 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,397 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,397 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,397 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,398 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,398 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,398 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,399 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,399 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,400 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,400 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,403 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,403 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,404 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,404 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 02:21:41,412 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-13 02:21:41,429 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-13 02:21:41,452 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 02:21:41,452 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 02:21:41,452 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 02:21:41,452 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 02:21:41,452 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 02:21:41,452 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 02:21:41,452 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 02:21:41,452 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 02:21:41,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 99 transitions, 206 flow [2021-08-13 02:21:41,505 INFO L129 PetriNetUnfolder]: 9/98 cut-off events. [2021-08-13 02:21:41,505 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-08-13 02:21:41,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 98 events. 9/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 153 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 55. Up to 3 conditions per place. [2021-08-13 02:21:41,508 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 99 transitions, 206 flow [2021-08-13 02:21:41,512 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 89 transitions, 181 flow [2021-08-13 02:21:41,537 INFO L129 PetriNetUnfolder]: 3/78 cut-off events. [2021-08-13 02:21:41,538 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 02:21:41,539 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:21:41,540 INFO L266 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] [2021-08-13 02:21:41,541 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:21:41,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:21:41,549 INFO L82 PathProgramCache]: Analyzing trace with hash 719747698, now seen corresponding path program 1 times [2021-08-13 02:21:41,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:21:41,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281319199] [2021-08-13 02:21:41,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:21:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:21:41,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:41,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:21:41,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:41,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:21:41,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:41,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:21:41,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:41,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 02:21:41,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:41,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:21:41,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:41,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:21:41,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:41,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:21:41,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:41,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 02:21:41,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:41,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:21:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:21:41,886 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:21:41,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281319199] [2021-08-13 02:21:41,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281319199] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:21:41,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:21:41,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-13 02:21:41,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550217598] [2021-08-13 02:21:41,893 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-13 02:21:41,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:21:41,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-13 02:21:41,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-08-13 02:21:41,905 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 99 [2021-08-13 02:21:41,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 89 transitions, 181 flow. Second operand has 9 states, 9 states have (on average 47.77777777777778) internal successors, (430), 9 states have internal predecessors, (430), 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) [2021-08-13 02:21:41,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:21:41,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 99 [2021-08-13 02:21:41,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:21:42,300 INFO L129 PetriNetUnfolder]: 41/290 cut-off events. [2021-08-13 02:21:42,301 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 02:21:42,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 290 events. 41/290 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1338 event pairs, 10 based on Foata normal form. 96/383 useless extension candidates. Maximal degree in co-relation 360. Up to 29 conditions per place. [2021-08-13 02:21:42,303 INFO L132 encePairwiseOnDemand]: 80/99 looper letters, 34 selfloop transitions, 4 changer transitions 37/110 dead transitions. [2021-08-13 02:21:42,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 110 transitions, 367 flow [2021-08-13 02:21:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-13 02:21:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-08-13 02:21:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 730 transitions. [2021-08-13 02:21:42,321 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5266955266955267 [2021-08-13 02:21:42,321 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 730 transitions. [2021-08-13 02:21:42,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 730 transitions. [2021-08-13 02:21:42,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:21:42,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 730 transitions. [2021-08-13 02:21:42,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.142857142857146) internal successors, (730), 14 states have internal predecessors, (730), 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) [2021-08-13 02:21:42,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 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) [2021-08-13 02:21:42,337 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 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) [2021-08-13 02:21:42,338 INFO L348 CegarLoopForPetriNet]: 84 programPoint places, 12 predicate places. [2021-08-13 02:21:42,338 INFO L482 AbstractCegarLoop]: Abstraction has has 96 places, 110 transitions, 367 flow [2021-08-13 02:21:42,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 47.77777777777778) internal successors, (430), 9 states have internal predecessors, (430), 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) [2021-08-13 02:21:42,338 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:21:42,339 INFO L266 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] [2021-08-13 02:21:42,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 02:21:42,339 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:21:42,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:21:42,339 INFO L82 PathProgramCache]: Analyzing trace with hash 656174108, now seen corresponding path program 1 times [2021-08-13 02:21:42,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:21:42,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817542274] [2021-08-13 02:21:42,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:21:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:21:42,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:42,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:21:42,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:42,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:21:42,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:42,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 02:21:42,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:42,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 02:21:42,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:42,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:21:42,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:21:42,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:21:42,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:21:42,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:21:42,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817542274] [2021-08-13 02:21:42,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817542274] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:21:42,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:21:42,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 02:21:42,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038910314] [2021-08-13 02:21:42,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 02:21:42,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:21:42,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 02:21:42,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-13 02:21:42,490 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 99 [2021-08-13 02:21:42,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 110 transitions, 367 flow. Second operand has 6 states, 6 states have (on average 69.66666666666667) internal successors, (418), 6 states have internal predecessors, (418), 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) [2021-08-13 02:21:42,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:21:42,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 99 [2021-08-13 02:21:42,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:21:42,628 INFO L129 PetriNetUnfolder]: 35/291 cut-off events. [2021-08-13 02:21:42,629 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 02:21:42,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 291 events. 35/291 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1153 event pairs, 19 based on Foata normal form. 4/289 useless extension candidates. Maximal degree in co-relation 413. Up to 55 conditions per place. [2021-08-13 02:21:42,633 INFO L132 encePairwiseOnDemand]: 89/99 looper letters, 14 selfloop transitions, 8 changer transitions 25/100 dead transitions. [2021-08-13 02:21:42,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 100 transitions, 371 flow [2021-08-13 02:21:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-13 02:21:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-13 02:21:42,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 434 transitions. [2021-08-13 02:21:42,634 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7306397306397306 [2021-08-13 02:21:42,634 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 434 transitions. [2021-08-13 02:21:42,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 434 transitions. [2021-08-13 02:21:42,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:21:42,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 434 transitions. [2021-08-13 02:21:42,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 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) [2021-08-13 02:21:42,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 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) [2021-08-13 02:21:42,637 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 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) [2021-08-13 02:21:42,637 INFO L348 CegarLoopForPetriNet]: 84 programPoint places, 14 predicate places. [2021-08-13 02:21:42,637 INFO L482 AbstractCegarLoop]: Abstraction has has 98 places, 100 transitions, 371 flow [2021-08-13 02:21:42,637 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 69.66666666666667) internal successors, (418), 6 states have internal predecessors, (418), 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) [2021-08-13 02:21:42,637 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:21:42,638 INFO L266 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] [2021-08-13 02:21:42,638 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 02:21:42,638 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 02:21:42,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:21:42,639 INFO L82 PathProgramCache]: Analyzing trace with hash 845671002, now seen corresponding path program 1 times [2021-08-13 02:21:42,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:21:42,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195400010] [2021-08-13 02:21:42,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:21:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-13 02:21:42,685 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-13 02:21:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-13 02:21:42,717 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-13 02:21:42,747 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-13 02:21:42,748 INFO L651 BasicCegarLoop]: Counterexample might be feasible [2021-08-13 02:21:42,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 02:21:42,750 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 02:21:42,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 02:21:42 BasicIcfg [2021-08-13 02:21:42,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 02:21:42,796 INFO L168 Benchmark]: Toolchain (without parser) took 2454.94 ms. Allocated memory was 194.0 MB in the beginning and 259.0 MB in the end (delta: 65.0 MB). Free memory was 157.5 MB in the beginning and 232.8 MB in the end (delta: -75.3 MB). Peak memory consumption was 92.7 MB. Max. memory is 8.0 GB. [2021-08-13 02:21:42,797 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 194.0 MB. Free memory was 175.6 MB in the beginning and 175.5 MB in the end (delta: 147.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 02:21:42,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.62 ms. Allocated memory is still 194.0 MB. Free memory was 157.2 MB in the beginning and 156.3 MB in the end (delta: 924.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-13 02:21:42,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.42 ms. Allocated memory is still 194.0 MB. Free memory was 155.8 MB in the beginning and 153.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 02:21:42,798 INFO L168 Benchmark]: Boogie Preprocessor took 33.34 ms. Allocated memory is still 194.0 MB. Free memory was 153.9 MB in the beginning and 152.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 02:21:42,798 INFO L168 Benchmark]: RCFGBuilder took 440.57 ms. Allocated memory is still 194.0 MB. Free memory was 152.1 MB in the beginning and 125.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-08-13 02:21:42,798 INFO L168 Benchmark]: TraceAbstraction took 1444.62 ms. Allocated memory was 194.0 MB in the beginning and 259.0 MB in the end (delta: 65.0 MB). Free memory was 125.4 MB in the beginning and 232.8 MB in the end (delta: -107.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2021-08-13 02:21:42,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 194.0 MB. Free memory was 175.6 MB in the beginning and 175.5 MB in the end (delta: 147.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 479.62 ms. Allocated memory is still 194.0 MB. Free memory was 157.2 MB in the beginning and 156.3 MB in the end (delta: 924.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 51.42 ms. Allocated memory is still 194.0 MB. Free memory was 155.8 MB in the beginning and 153.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.34 ms. Allocated memory is still 194.0 MB. Free memory was 153.9 MB in the beginning and 152.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 440.57 ms. Allocated memory is still 194.0 MB. Free memory was 152.1 MB in the beginning and 125.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1444.62 ms. Allocated memory was 194.0 MB in the beginning and 259.0 MB in the end (delta: 65.0 MB). Free memory was 125.4 MB in the beginning and 232.8 MB in the end (delta: -107.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 684]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}] [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}] [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L700] 0 pthread_t id; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L701] 0 int i = 0; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={7:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}] [L693] 1 int *p = (int *) arg; VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] EXPR 1 \read(*p) VAL [\read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] 1 (*p)++ VAL [(*p)++=0, \read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L704] 0 \read(i) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] COND TRUE 0 !(cond) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] 0 reach_error() VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 26.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 1300.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 587.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 59.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 41 SDtfs, 120 SDslu, 154 SDs, 0 SdLazy, 184 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 181.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 245.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=371occurred in iteration=2, InterpolantAutomatonStates: 20, 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: 13.8ms SsaConstructionTime, 116.3ms SatisfiabilityAnalysisTime, 299.6ms InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! Received shutdown request...