/usr/bin/java -Xmx16000000000 -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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 15:09:37,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 15:09:37,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 15:09:37,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 15:09:37,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 15:09:37,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 15:09:37,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 15:09:37,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 15:09:37,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 15:09:37,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 15:09:37,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 15:09:37,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 15:09:37,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 15:09:38,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 15:09:38,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 15:09:38,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 15:09:38,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 15:09:38,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 15:09:38,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 15:09:38,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 15:09:38,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 15:09:38,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 15:09:38,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 15:09:38,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 15:09:38,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 15:09:38,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 15:09:38,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 15:09:38,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 15:09:38,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 15:09:38,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 15:09:38,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 15:09:38,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 15:09:38,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 15:09:38,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 15:09:38,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 15:09:38,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 15:09:38,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 15:09:38,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 15:09:38,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 15:09:38,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 15:09:38,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 15:09:38,065 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 15:09:38,100 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 15:09:38,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 15:09:38,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 15:09:38,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 15:09:38,104 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 15:09:38,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 15:09:38,104 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 15:09:38,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 15:09:38,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 15:09:38,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 15:09:38,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 15:09:38,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 15:09:38,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 15:09:38,106 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 15:09:38,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 15:09:38,107 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 15:09:38,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 15:09:38,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 15:09:38,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 15:09:38,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 15:09:38,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 15:09:38,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 15:09:38,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 15:09:38,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 15:09:38,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 15:09:38,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 15:09:38,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 15:09:38,111 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 15:09:38,112 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 15:09:38,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 15:09:38,112 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 15:09:38,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 15:09:38,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 15:09:38,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 15:09:38,611 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 15:09:38,612 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 15:09:38,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2021-04-28 15:09:38,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38390f417/d4049c2ee74a4ef7a2c4d8648342ba4d/FLAG4151f9856 [2021-04-28 15:09:39,560 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 15:09:39,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2021-04-28 15:09:39,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38390f417/d4049c2ee74a4ef7a2c4d8648342ba4d/FLAG4151f9856 [2021-04-28 15:09:39,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38390f417/d4049c2ee74a4ef7a2c4d8648342ba4d [2021-04-28 15:09:39,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 15:09:39,893 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 15:09:39,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 15:09:39,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 15:09:39,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 15:09:39,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:09:39" (1/1) ... [2021-04-28 15:09:39,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3992b439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:39, skipping insertion in model container [2021-04-28 15:09:39,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:09:39" (1/1) ... [2021-04-28 15:09:39,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 15:09:39,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 15:09:40,420 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2021-04-28 15:09:40,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 15:09:40,443 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 15:09:40,500 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2021-04-28 15:09:40,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 15:09:40,623 INFO L208 MainTranslator]: Completed translation [2021-04-28 15:09:40,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40 WrapperNode [2021-04-28 15:09:40,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 15:09:40,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 15:09:40,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 15:09:40,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 15:09:40,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (1/1) ... [2021-04-28 15:09:40,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (1/1) ... [2021-04-28 15:09:40,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 15:09:40,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 15:09:40,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 15:09:40,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 15:09:40,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (1/1) ... [2021-04-28 15:09:40,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (1/1) ... [2021-04-28 15:09:40,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (1/1) ... [2021-04-28 15:09:40,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (1/1) ... [2021-04-28 15:09:40,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (1/1) ... [2021-04-28 15:09:40,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (1/1) ... [2021-04-28 15:09:40,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (1/1) ... [2021-04-28 15:09:40,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 15:09:40,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 15:09:40,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 15:09:40,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 15:09:40,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (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 [2021-04-28 15:09:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-28 15:09:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-28 15:09:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-28 15:09:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-28 15:09:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-28 15:09:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 15:09:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-04-28 15:09:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 15:09:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 15:09:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 15:09:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 15:09:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 15:09:40,873 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 15:09:41,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 15:09:41,515 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-04-28 15:09:41,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:09:41 BoogieIcfgContainer [2021-04-28 15:09:41,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 15:09:41,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 15:09:41,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 15:09:41,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 15:09:41,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 03:09:39" (1/3) ... [2021-04-28 15:09:41,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dc9e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:09:41, skipping insertion in model container [2021-04-28 15:09:41,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:09:40" (2/3) ... [2021-04-28 15:09:41,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dc9e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:09:41, skipping insertion in model container [2021-04-28 15:09:41,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:09:41" (3/3) ... [2021-04-28 15:09:41,533 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2021-04-28 15:09:41,545 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 15:09:41,553 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-28 15:09:41,555 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 15:09:41,618 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,618 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,619 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,619 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,619 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,620 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,620 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,620 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,621 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,621 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,621 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,622 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,622 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,622 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,622 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,623 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,623 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,623 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,624 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,624 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,627 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,628 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,628 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,628 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,629 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,634 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,635 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,636 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,637 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,637 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,637 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,638 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,638 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,638 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,639 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,640 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,641 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,641 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,641 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,642 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,642 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,642 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,644 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,645 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,645 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,645 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,645 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,647 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,648 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,648 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,648 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,649 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,657 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,658 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:09:41,672 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-28 15:09:41,706 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-04-28 15:09:41,763 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:09:41,763 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:09:41,764 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:09:41,764 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:09:41,764 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:09:41,764 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:09:41,764 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:09:41,765 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:09:41,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 188 flow [2021-04-28 15:09:41,899 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-04-28 15:09:41,900 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-28 15:09:41,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 83 events. 2/83 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2021-04-28 15:09:41,912 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 83 transitions, 188 flow [2021-04-28 15:09:41,927 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 71 transitions, 160 flow [2021-04-28 15:09:41,929 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:09:41,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 71 transitions, 160 flow [2021-04-28 15:09:41,956 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 71 transitions, 160 flow [2021-04-28 15:09:41,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 71 transitions, 160 flow [2021-04-28 15:09:41,984 INFO L129 PetriNetUnfolder]: 1/73 cut-off events. [2021-04-28 15:09:41,984 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-28 15:09:41,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 73 events. 1/73 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 19. Up to 3 conditions per place. [2021-04-28 15:09:41,988 INFO L146 LiptonReduction]: Number of co-enabled transitions 680 [2021-04-28 15:09:48,393 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 15:09:50,967 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2021-04-28 15:09:51,133 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2021-04-28 15:09:52,937 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:09:53,050 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 15:09:53,154 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:09:53,559 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 15:09:53,667 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:09:53,785 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 15:09:53,888 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:09:54,359 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 15:09:54,472 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 15:09:54,592 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 15:09:54,708 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 15:09:54,833 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 15:09:54,942 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:09:55,067 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 15:09:55,179 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:09:55,990 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 15:09:56,111 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:09:56,238 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 15:09:56,348 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:09:56,625 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 15:09:56,816 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 15:09:57,027 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-04-28 15:09:57,211 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-04-28 15:09:57,404 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2021-04-28 15:09:57,590 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2021-04-28 15:09:59,646 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 15:09:59,789 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 15:09:59,953 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 15:10:00,104 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 15:10:00,243 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 15:10:00,368 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:10:00,507 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 15:10:00,636 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:10:00,794 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 15:10:00,966 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-28 15:10:01,133 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 15:10:01,286 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-28 15:10:01,457 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:10:01,613 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:01,787 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:10:01,944 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:02,089 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 15:10:02,226 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 15:10:02,372 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 15:10:02,509 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 15:10:02,821 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 15:10:02,942 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:10:03,083 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 15:10:03,208 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:10:03,548 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2021-04-28 15:10:03,888 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2021-04-28 15:10:03,993 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 15:10:04,390 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2021-04-28 15:10:04,625 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2021-04-28 15:10:04,856 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2021-04-28 15:10:05,084 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2021-04-28 15:10:05,335 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2021-04-28 15:10:05,590 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2021-04-28 15:10:06,945 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-04-28 15:10:07,076 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 15:10:07,356 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-04-28 15:10:07,484 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 15:10:07,889 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2021-04-28 15:10:08,146 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2021-04-28 15:10:08,658 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2021-04-28 15:10:08,800 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 15:10:09,106 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2021-04-28 15:10:09,248 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 15:10:09,493 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-04-28 15:10:09,607 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 15:10:09,855 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-04-28 15:10:09,967 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 15:10:10,313 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-04-28 15:10:10,460 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 15:10:10,764 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-04-28 15:10:10,908 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 15:10:11,166 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2021-04-28 15:10:11,290 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 15:10:11,570 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2021-04-28 15:10:11,688 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 15:10:11,919 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2021-04-28 15:10:12,028 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 15:10:12,291 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2021-04-28 15:10:12,408 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 15:10:13,116 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:10:13,234 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:10:13,433 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:10:13,932 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:10:14,067 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:10:14,190 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:10:14,326 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:10:14,632 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:10:14,793 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 15:10:14,946 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:10:15,095 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 15:10:15,516 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:15,695 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-28 15:10:15,888 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:16,079 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-28 15:10:16,250 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 15:10:16,408 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 15:10:16,578 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 15:10:16,756 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 15:10:16,903 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:10:17,050 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:10:17,203 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:10:17,357 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:10:17,554 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-28 15:10:17,732 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 15:10:17,910 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-28 15:10:18,089 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 15:10:18,341 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:10:18,446 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:10:18,550 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:10:18,654 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:10:18,867 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 15:10:19,036 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 15:10:19,216 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 15:10:19,395 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 15:10:19,617 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:19,812 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:19,995 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:20,173 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:20,897 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2021-04-28 15:10:21,226 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 15:10:21,920 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2021-04-28 15:10:22,250 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 15:10:22,441 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:22,635 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:22,837 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:23,022 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:23,687 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2021-04-28 15:10:24,016 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 15:10:24,687 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2021-04-28 15:10:24,980 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 15:10:25,706 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2021-04-28 15:10:26,080 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 15:10:26,926 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2021-04-28 15:10:27,348 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 15:10:28,114 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-04-28 15:10:28,433 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-04-28 15:10:29,252 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-04-28 15:10:29,586 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-04-28 15:10:30,394 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-04-28 15:10:30,719 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-04-28 15:10:31,478 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-04-28 15:10:31,835 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-04-28 15:10:32,796 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 134 [2021-04-28 15:10:33,217 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-04-28 15:10:34,204 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 134 [2021-04-28 15:10:34,671 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-04-28 15:10:34,876 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:35,074 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:35,293 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:35,512 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:35,745 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:35,971 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:36,217 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:36,450 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:36,679 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:36,923 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:37,148 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:37,363 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 15:10:38,160 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2021-04-28 15:10:38,541 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 15:10:39,348 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2021-04-28 15:10:39,739 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 15:10:40,389 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 15:10:40,681 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 15:10:41,274 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 15:10:41,564 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 15:10:41,607 INFO L158 LiptonReduction]: Checked pairs total: 7710 [2021-04-28 15:10:41,607 INFO L160 LiptonReduction]: Total number of compositions: 173 [2021-04-28 15:10:41,613 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59686 [2021-04-28 15:10:41,646 INFO L129 PetriNetUnfolder]: 1/93 cut-off events. [2021-04-28 15:10:41,646 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-28 15:10:41,647 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:10:41,648 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:10:41,648 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:10:41,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:10:41,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1950856344, now seen corresponding path program 1 times [2021-04-28 15:10:41,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:10:41,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102279244] [2021-04-28 15:10:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:10:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:10:41,933 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:10:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:10:41,991 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:10:42,046 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 15:10:42,046 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 15:10:42,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 15:10:42,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 03:10:42 BasicIcfg [2021-04-28 15:10:42,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 15:10:42,158 INFO L168 Benchmark]: Toolchain (without parser) took 62306.10 ms. Allocated memory was 308.3 MB in the beginning and 564.1 MB in the end (delta: 255.9 MB). Free memory was 281.8 MB in the beginning and 252.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 289.0 MB. Max. memory is 16.0 GB. [2021-04-28 15:10:42,162 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 308.3 MB. Free memory is still 276.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 15:10:42,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.61 ms. Allocated memory is still 308.3 MB. Free memory was 278.5 MB in the beginning and 280.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.0 GB. [2021-04-28 15:10:42,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.65 ms. Allocated memory is still 308.3 MB. Free memory was 280.5 MB in the beginning and 278.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 15:10:42,164 INFO L168 Benchmark]: Boogie Preprocessor took 29.96 ms. Allocated memory is still 308.3 MB. Free memory was 278.5 MB in the beginning and 277.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 15:10:42,168 INFO L168 Benchmark]: RCFGBuilder took 771.28 ms. Allocated memory is still 308.3 MB. Free memory was 276.5 MB in the beginning and 252.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-04-28 15:10:42,169 INFO L168 Benchmark]: TraceAbstraction took 60633.19 ms. Allocated memory was 308.3 MB in the beginning and 564.1 MB in the end (delta: 255.9 MB). Free memory was 251.3 MB in the beginning and 252.3 MB in the end (delta: -988.2 kB). Peak memory consumption was 255.8 MB. Max. memory is 16.0 GB. [2021-04-28 15:10:42,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03 ms. Allocated memory is still 308.3 MB. Free memory is still 276.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 731.61 ms. Allocated memory is still 308.3 MB. Free memory was 278.5 MB in the beginning and 280.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 87.65 ms. Allocated memory is still 308.3 MB. Free memory was 280.5 MB in the beginning and 278.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.96 ms. Allocated memory is still 308.3 MB. Free memory was 278.5 MB in the beginning and 277.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 771.28 ms. Allocated memory is still 308.3 MB. Free memory was 276.5 MB in the beginning and 252.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 60633.19 ms. Allocated memory was 308.3 MB in the beginning and 564.1 MB in the end (delta: 255.9 MB). Free memory was 251.3 MB in the beginning and 252.3 MB in the end (delta: -988.2 kB). Peak memory consumption was 255.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59651.3ms, 76 PlacesBefore, 98 PlacesAfterwards, 71 TransitionsBefore, 93 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 10 FixpointIterations, 154 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 173 TotalNumberOfCompositions, 7710 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3479, positive: 3111, positive conditional: 3111, positive unconditional: 0, negative: 368, negative conditional: 368, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 605, positive: 570, positive conditional: 0, positive unconditional: 570, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 605, positive: 570, positive conditional: 0, positive unconditional: 570, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 605, positive: 555, positive conditional: 0, positive unconditional: 555, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 258, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 198, negative conditional: 0, negative unconditional: 198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3479, positive: 2541, positive conditional: 2541, positive unconditional: 0, negative: 333, negative conditional: 333, negative unconditional: 0, unknown: 605, unknown conditional: 605, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 570, Positive conditional cache size: 570, Positive unconditional cache size: 0, Negative cache size: 35, Negative conditional cache size: 35, Negative unconditional cache size: 0 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; [L693] 0 int data1, data2; [L716] 0 pthread_t t1, t2; [L719] 0 data1 = 10 [L720] 0 data2 = 10 [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={5:0}, mb={3:0}] [L697] 1 data1++ VAL [arg={0:0}, arg={0:0}, data1=11, data2=10, ma={5:0}, mb={3:0}] [L700] 1 data2++ VAL [arg={0:0}, arg={0:0}, data1=11, data2=11, ma={5:0}, mb={3:0}] [L702] 1 return 0; [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={5:0}, mb={3:0}] [L723] 0 \read(t1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={5:0}, mb={3:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={5:0}, mb={3:0}] [L724] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={5:0}, mb={3:0}] [L707] 2 data1+=5 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={5:0}, mb={3:0}] [L710] 2 data2-=6 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={5:0}, mb={3:0}] [L712] 2 return 0; [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={5:0}, mb={3:0}] [L725] COND TRUE 0 data1==16 && data2==5 [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={5:0}, mb={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 22.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 60294.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 59857.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=204occurred in iteration=0, InterpolantAutomatonStates: 0, 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: 9.4ms SsaConstructionTime, 149.4ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...