/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 09:33:02,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 09:33:02,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 09:33:02,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 09:33:02,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 09:33:02,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 09:33:02,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 09:33:02,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 09:33:02,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 09:33:02,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 09:33:02,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 09:33:02,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 09:33:02,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 09:33:02,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 09:33:02,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 09:33:02,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 09:33:02,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 09:33:02,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 09:33:02,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 09:33:02,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 09:33:02,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 09:33:02,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 09:33:02,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 09:33:02,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 09:33:02,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-18 09:33:02,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-18 09:33:02,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-18 09:33:02,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-18 09:33:02,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-18 09:33:02,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-18 09:33:02,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 09:33:02,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 09:33:02,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 09:33:02,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 09:33:02,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 09:33:02,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 09:33:02,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 09:33:02,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 09:33:02,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 09:33:02,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 09:33:02,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 09:33:02,753 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-Sleep-NoLbe-New_States.epf [2020-12-18 09:33:02,781 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 09:33:02,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 09:33:02,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 09:33:02,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 09:33:02,784 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 09:33:02,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 09:33:02,784 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 09:33:02,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 09:33:02,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 09:33:02,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 09:33:02,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 09:33:02,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 09:33:02,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 09:33:02,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 09:33:02,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 09:33:02,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 09:33:02,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 09:33:02,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 09:33:02,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 09:33:02,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 09:33:02,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 09:33:02,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 09:33:02,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 09:33:02,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 09:33:02,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 09:33:02,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 09:33:02,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 09:33:02,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 09:33:02,791 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 09:33:02,791 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 09:33:02,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 09:33:02,791 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 09:33:02,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 09:33:02,792 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 09:33:03,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 09:33:03,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 09:33:03,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 09:33:03,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 09:33:03,251 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 09:33:03,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-12-18 09:33:03,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba960a3df/e9a9e97696ff4f88845db72d1b22f5fb/FLAGfd2bde3dd [2020-12-18 09:33:04,110 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 09:33:04,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-12-18 09:33:04,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba960a3df/e9a9e97696ff4f88845db72d1b22f5fb/FLAGfd2bde3dd [2020-12-18 09:33:04,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba960a3df/e9a9e97696ff4f88845db72d1b22f5fb [2020-12-18 09:33:04,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 09:33:04,358 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 09:33:04,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 09:33:04,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 09:33:04,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 09:33:04,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:33:04" (1/1) ... [2020-12-18 09:33:04,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7868f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:04, skipping insertion in model container [2020-12-18 09:33:04,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:33:04" (1/1) ... [2020-12-18 09:33:04,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 09:33:04,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 09:33:04,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:33:04,837 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 09:33:04,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:33:05,085 INFO L208 MainTranslator]: Completed translation [2020-12-18 09:33:05,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05 WrapperNode [2020-12-18 09:33:05,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 09:33:05,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 09:33:05,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 09:33:05,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 09:33:05,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (1/1) ... [2020-12-18 09:33:05,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (1/1) ... [2020-12-18 09:33:05,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 09:33:05,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 09:33:05,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 09:33:05,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 09:33:05,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (1/1) ... [2020-12-18 09:33:05,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (1/1) ... [2020-12-18 09:33:05,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (1/1) ... [2020-12-18 09:33:05,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (1/1) ... [2020-12-18 09:33:05,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (1/1) ... [2020-12-18 09:33:05,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (1/1) ... [2020-12-18 09:33:05,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (1/1) ... [2020-12-18 09:33:05,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 09:33:05,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 09:33:05,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 09:33:05,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 09:33:05,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (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 [2020-12-18 09:33:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-12-18 09:33:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-12-18 09:33:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-18 09:33:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-18 09:33:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 09:33:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-18 09:33:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 09:33:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 09:33:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 09:33:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 09:33:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 09:33:05,258 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 09:33:05,814 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 09:33:05,814 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-18 09:33:05,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:33:05 BoogieIcfgContainer [2020-12-18 09:33:05,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 09:33:05,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 09:33:05,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 09:33:05,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 09:33:05,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:33:04" (1/3) ... [2020-12-18 09:33:05,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d5a152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:33:05, skipping insertion in model container [2020-12-18 09:33:05,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:33:05" (2/3) ... [2020-12-18 09:33:05,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d5a152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:33:05, skipping insertion in model container [2020-12-18 09:33:05,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:33:05" (3/3) ... [2020-12-18 09:33:05,826 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2020-12-18 09:33:05,843 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 09:33:05,843 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 09:33:05,847 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 09:33:05,848 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 09:33:05,883 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,883 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,883 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,883 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,884 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,884 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,884 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,884 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,885 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,885 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,885 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,885 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,885 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,886 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,886 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,886 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,886 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,887 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,887 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,887 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,887 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,888 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,888 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,888 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,888 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,888 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,889 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,889 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,889 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,889 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,890 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,890 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,890 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,891 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,891 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,891 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,891 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,892 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,892 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,892 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,893 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,893 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,894 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,894 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,895 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,895 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,895 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,896 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,896 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,896 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,896 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,897 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,897 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,899 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,905 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:33:05,916 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 09:33:05,929 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-18 09:33:05,953 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 09:33:05,954 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 09:33:05,954 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 09:33:05,954 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 09:33:05,954 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 09:33:05,954 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 09:33:05,954 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 09:33:05,955 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 09:33:07,158 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 1182ms [2020-12-18 09:33:07,159 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 3737 states, but on-demand construction may add more states [2020-12-18 09:33:07,171 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 3737 states, 3269 states have (on average 1.2285102477821963) internal successors, (4016), 3736 states have internal predecessors, (4016), 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) Size of Word is: 69 and size of Sequence is : 70[2020-12-18 09:33:07,202 INFO L131 SleepSetCegar]: Size of mCounterexample is: 70 [2020-12-18 09:33:07,202 INFO L132 SleepSetCegar]: [90#[ULTIMATE.startENTRY]don't care, 93#[L-1]don't care, 96#[L-1-1]don't care, 99#[L683]don't care, 102#[L683-1]don't care, 105#[L683-2]don't care, 108#[L683-3]don't care, 111#[L683-4]don't care, 114#[L691]don't care, 117#[L692]don't care, 120#[L692-1]don't care, 123#[L692-2]don't care, 126#[L692-3]don't care, 129#[L692-4]don't care, 132#[L692-5]don't care, 135#[L692-6]don't care, 138#[L-1-2]don't care, 141#[L-1-3]don't care, 144#[L707]don't care, 147#[L707-1]don't care, 150#[L708]don't care, 153#[L708-1]don't care, 156#[L708-2]don't care, 159#[L710]don't care, 162#[L710-1]don't care, 165#[L711]don't care, 168#[L711-1]don't care, 171#[L686]don't care, 174#[L687]don't care, 179#[L687-1]don't care, 177#[L686-1]don't care, 184#[L712]don't care, 187#[L712-1, thr1ENTRY]don't care, 192#[L713, thr1ENTRY]don't care, 196#[L713-6, thr1ENTRY]don't care, 202#[L713-6, L694]don't care, 212#[L713-6, L694-1]don't care, 224#[L689, L713-6]don't care, 232#[L689-1, L713-6]don't care, 244#[L713-6, L689-2]don't care, 255#[L683, L713-6]don't care, 269#[L713-6, L683-4]don't care, 242#[L713-6, L689-4]don't care, 290#[L713-6, thr1EXIT]don't care, 298#[L714, thr1EXIT]don't care, 331#[L714-1, thr1EXIT]don't care, 334#[L714-2, thr1EXIT, thr2ENTRY]don't care, 339#[L713-3, thr1EXIT, thr2ENTRY]don't care, 343#[L713-4, thr1EXIT, thr2ENTRY]don't care, 349#[L713-5, thr1EXIT, thr2ENTRY]don't care, 355#[L713-5, thr1EXIT, L697]don't care, 361#[L698, L713-5, thr1EXIT]don't care, 367#[L713-5, thr1EXIT, L698-1]don't care, 373#[L699, L713-5, thr1EXIT]don't care, 379#[L699-1, L713-5, thr1EXIT]don't care, 387#[L713-5, thr1EXIT, L686]don't care, 393#[L713-5, L687, thr1EXIT]don't care, 401#[L713-5, L687-1, thr1EXIT]don't care, 397#[L713-5, thr1EXIT, L686-1]don't care, 410#[L713-5, thr1EXIT, L700]don't care, 418#[L713-5, thr1EXIT, L701]don't care, 422#[L702, L713-5, thr1EXIT]don't care, 428#[L713-5, thr1EXIT, L703]don't care, 432#[L713-5, L702-2, thr1EXIT]don't care, 443#[thr2FINAL, L713-5, thr1EXIT]don't care, 449#[L713-5, thr2EXIT, thr1EXIT]don't care, 453#[thr2EXIT, L713-6, thr1EXIT]don't care, 458#[L714, thr2EXIT, thr1EXIT]don't care, 483#[L714-1, thr2EXIT, thr1EXIT]don't care, 486#[ULTIMATE.startErr1INUSE_VIOLATION, thr2EXIT, thr1EXIT]don't care] [2020-12-18 09:33:07,203 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-18 09:33:07,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:33:07,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1897075127, now seen corresponding path program 1 times [2020-12-18 09:33:07,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:33:07,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716685561] [2020-12-18 09:33:07,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:33:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:33:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-18 09:33:07,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716685561] [2020-12-18 09:33:07,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:33:07,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 09:33:07,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425321981] [2020-12-18 09:33:07,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 09:33:07,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:33:07,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 09:33:07,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 09:33:07,483 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:33:07,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) Size of Word is: 41 and size of Sequence is : 42[2020-12-18 09:33:07,876 INFO L131 SleepSetCegar]: Size of mCounterexample is: 42 [2020-12-18 09:33:07,876 INFO L132 SleepSetCegar]: [26915#[ULTIMATE.startENTRY]true, 26917#[L-1]true, 26919#[L-1-1]true, 26921#[L683]true, 26923#[L683-1]true, 26925#[L683-2]true, 26927#[L683-3]true, 26929#[L683-4]true, 26931#[L691]true, 26933#[L692]true, 26935#[L692-1]true, 26937#[L692-2]true, 26939#[L692-3]true, 26941#[L692-4]true, 26943#[L692-5]true, 26945#[L692-6]true, 26947#[L-1-2]true, 26949#[L-1-3]true, 26951#[L707]true, 26953#[L707-1]true, 26955#[L708]true, 26957#[L708-1]true, 26959#[L708-2]true, 26961#[L710]true, 26963#[L710-1]true, 26965#[L711]true, 26967#[L711-1]true, 26969#[L686]true, 26971#[L687]true, 26974#[L686-1]true, 33981#[L712]true, 33983#[L712-1, thr1ENTRY]true, 33985#[L713, thr1ENTRY]true, 33989#[L713-6, thr1ENTRY]true, 33994#[L713-6, L694]true, 34002#[L713-6, L694-1]true, 34009#[L689, L713-6]true, 34016#[L689-1, L713-6]true, 34023#[L713-6, L689-2]true, 34032#[L683, L713-6]true, 34037#[L713-6, L683-2]true, 34845#[thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, L713-6]true] [2020-12-18 09:33:07,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 09:33:07,877 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-18 09:33:07,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:33:07,878 INFO L82 PathProgramCache]: Analyzing trace with hash 520822111, now seen corresponding path program 1 times [2020-12-18 09:33:07,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:33:07,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721082603] [2020-12-18 09:33:07,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:33:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:33:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 09:33:08,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721082603] [2020-12-18 09:33:08,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:33:08,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-18 09:33:08,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065942617] [2020-12-18 09:33:08,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-18 09:33:08,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:33:08,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-18 09:33:08,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-18 09:33:08,134 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:33:08,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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) [2020-12-18 09:33:08,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 09:33:08,338 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@49e974f4 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:129) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-18 09:33:08,344 INFO L168 Benchmark]: Toolchain (without parser) took 3985.81 ms. Allocated memory was 302.0 MB in the beginning and 390.1 MB in the end (delta: 88.1 MB). Free memory was 276.2 MB in the beginning and 342.2 MB in the end (delta: -66.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.0 GB. [2020-12-18 09:33:08,345 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 272.8 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 09:33:08,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.58 ms. Allocated memory is still 302.0 MB. Free memory was 276.0 MB in the beginning and 277.7 MB in the end (delta: -1.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.0 GB. [2020-12-18 09:33:08,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 275.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 09:33:08,348 INFO L168 Benchmark]: Boogie Preprocessor took 30.11 ms. Allocated memory is still 302.0 MB. Free memory was 275.6 MB in the beginning and 274.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 09:33:08,349 INFO L168 Benchmark]: RCFGBuilder took 647.94 ms. Allocated memory is still 302.0 MB. Free memory was 274.6 MB in the beginning and 249.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-12-18 09:33:08,350 INFO L168 Benchmark]: TraceAbstraction took 2523.30 ms. Allocated memory was 302.0 MB in the beginning and 390.1 MB in the end (delta: 88.1 MB). Free memory was 249.4 MB in the beginning and 342.2 MB in the end (delta: -92.8 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 09:33:08,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 272.8 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 726.58 ms. Allocated memory is still 302.0 MB. Free memory was 276.0 MB in the beginning and 277.7 MB in the end (delta: -1.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 275.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.11 ms. Allocated memory is still 302.0 MB. Free memory was 275.6 MB in the beginning and 274.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 647.94 ms. Allocated memory is still 302.0 MB. Free memory was 274.6 MB in the beginning and 249.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2523.30 ms. Allocated memory was 302.0 MB in the beginning and 390.1 MB in the end (delta: 88.1 MB). Free memory was 249.4 MB in the beginning and 342.2 MB in the end (delta: -92.8 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@49e974f4 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@49e974f4: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...