/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-Delay.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 23:35:12,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 23:35:12,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 23:35:12,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 23:35:12,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 23:35:12,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 23:35:12,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 23:35:12,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 23:35:12,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 23:35:12,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 23:35:12,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 23:35:12,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 23:35:12,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 23:35:12,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 23:35:12,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 23:35:12,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 23:35:12,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 23:35:12,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 23:35:12,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 23:35:12,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 23:35:12,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 23:35:12,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 23:35:12,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 23:35:12,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 23:35:12,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 23:35:12,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 23:35:12,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 23:35:12,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 23:35:12,366 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-Delay.epf [2021-01-26 23:35:12,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 23:35:12,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 23:35:12,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 23:35:12,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 23:35:12,402 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 23:35:12,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 23:35:12,403 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 23:35:12,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 23:35:12,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 23:35:12,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 23:35:12,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 23:35:12,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 23:35:12,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 23:35:12,404 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 23:35:12,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 23:35:12,405 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 23:35:12,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 23:35:12,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 23:35:12,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 23:35:12,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 23:35:12,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 23:35:12,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:35:12,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 23:35:12,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 23:35:12,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 23:35:12,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 23:35:12,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 23:35:12,407 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 23:35:12,408 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 23:35:12,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 23:35:12,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 23:35:12,408 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 23:35:12,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 23:35:12,409 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 23:35:12,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 23:35:12,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 23:35:12,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 23:35:12,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 23:35:12,978 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 23:35:12,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i [2021-01-26 23:35:13,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d3293932/5132bb3cbdf347129eaadf15999a3f48/FLAG56632bb65 [2021-01-26 23:35:13,890 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 23:35:13,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i [2021-01-26 23:35:13,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d3293932/5132bb3cbdf347129eaadf15999a3f48/FLAG56632bb65 [2021-01-26 23:35:14,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d3293932/5132bb3cbdf347129eaadf15999a3f48 [2021-01-26 23:35:14,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 23:35:14,135 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 23:35:14,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 23:35:14,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 23:35:14,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 23:35:14,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:35:14" (1/1) ... [2021-01-26 23:35:14,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c950c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:14, skipping insertion in model container [2021-01-26 23:35:14,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:35:14" (1/1) ... [2021-01-26 23:35:14,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 23:35:14,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 23:35:14,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:35:15,006 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 23:35:15,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:35:15,388 INFO L208 MainTranslator]: Completed translation [2021-01-26 23:35:15,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15 WrapperNode [2021-01-26 23:35:15,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 23:35:15,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 23:35:15,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 23:35:15,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 23:35:15,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (1/1) ... [2021-01-26 23:35:15,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (1/1) ... [2021-01-26 23:35:15,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 23:35:15,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 23:35:15,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 23:35:15,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 23:35:15,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (1/1) ... [2021-01-26 23:35:15,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (1/1) ... [2021-01-26 23:35:15,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (1/1) ... [2021-01-26 23:35:15,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (1/1) ... [2021-01-26 23:35:15,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (1/1) ... [2021-01-26 23:35:15,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (1/1) ... [2021-01-26 23:35:15,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (1/1) ... [2021-01-26 23:35:15,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 23:35:15,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 23:35:15,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 23:35:15,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 23:35:15,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (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 [2021-01-26 23:35:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 23:35:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 23:35:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 23:35:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 23:35:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-26 23:35:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-26 23:35:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-26 23:35:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 23:35:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 23:35:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 23:35:15,663 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 23:35:16,412 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 23:35:16,413 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2021-01-26 23:35:16,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:35:16 BoogieIcfgContainer [2021-01-26 23:35:16,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 23:35:16,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 23:35:16,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 23:35:16,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 23:35:16,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 11:35:14" (1/3) ... [2021-01-26 23:35:16,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4e26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:35:16, skipping insertion in model container [2021-01-26 23:35:16,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:35:15" (2/3) ... [2021-01-26 23:35:16,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4e26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:35:16, skipping insertion in model container [2021-01-26 23:35:16,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:35:16" (3/3) ... [2021-01-26 23:35:16,428 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_07-cond_racing2.i [2021-01-26 23:35:16,450 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 23:35:16,450 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 23:35:16,456 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 23:35:16,458 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 23:35:16,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,496 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,496 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,497 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,497 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,506 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,506 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,509 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,510 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,511 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:35:16,526 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-26 23:35:16,545 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-26 23:35:16,581 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 23:35:16,582 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 23:35:16,582 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 23:35:16,582 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 23:35:16,582 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 23:35:16,582 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 23:35:16,583 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 23:35:16,583 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 53 and size of Sequence is : 54[2021-01-26 23:35:16,626 INFO L164 SleepSetCegar]: Size of mCounterexample is: 54 [2021-01-26 23:35:16,626 INFO L165 SleepSetCegar]: [114#[ULTIMATE.startENTRY]don't care, 116#[L-1]don't care, 118#[L-1-1]don't care, 120#[L-1-2]don't care, 122#[L921]don't care, 124#[L921-1]don't care, 126#[L921-2]don't care, 128#[L921-3]don't care, 130#[L921-4]don't care, 132#[L940]don't care, 134#[L942]don't care, 136#[L944]don't care, 138#[L927]don't care, 140#[L927-1]don't care, 142#[L927-2]don't care, 144#[L927-3]don't care, 146#[L927-4]don't care, 148#[L927-5]don't care, 150#[L929]don't care, 152#[L929-1]don't care, 154#[L929-2]don't care, 156#[L929-3]don't care, 158#[L929-4]don't care, 160#[L929-5]don't care, 162#[L929-6]don't care, 164#[L930]don't care, 166#[L930-1]don't care, 168#[L930-2]don't care, 170#[L930-3]don't care, 172#[L930-4]don't care, 174#[L930-5]don't care, 176#[L930-6]don't care, 178#[L-1-3]don't care, 180#[L-1-4]don't care, 182#[L938]don't care, 184#[L938-1]don't care, 186#[L938-2]don't care, 188#[L939]don't care, 190#[L939-1]don't care, 192#[L939-10]don't care, 194#[L939-11]don't care, 198#[L941]don't care, 200#[L941-4]don't care, 206#[L943]don't care, 208#[L943-6]don't care, 212#[L943-2]don't care, 214#[L943-3]don't care, 216#[L943-4]don't care, 218#[L922]don't care, 220#[L922-1]don't care, 222#[L922-2]don't care, 226#[L921-5]don't care, 230#[L921-7]don't care, 234#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-26 23:35:16,627 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:35:16,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:35:16,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1659271831, now seen corresponding path program 1 times [2021-01-26 23:35:16,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:35:16,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385490122] [2021-01-26 23:35:16,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:35:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:35:16,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:35:16,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385490122] [2021-01-26 23:35:16,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:35:16,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 23:35:16,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274695421] [2021-01-26 23:35:16,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-26 23:35:16,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:35:16,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-26 23:35:16,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-26 23:35:16,987 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:35:16,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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: 53 and size of Sequence is : 54[2021-01-26 23:35:17,005 INFO L164 SleepSetCegar]: Size of mCounterexample is: 54 [2021-01-26 23:35:17,006 INFO L165 SleepSetCegar]: [237#[ULTIMATE.startENTRY]true, 238#[L-1]true, 239#[L-1-1]true, 240#[L-1-2]true, 241#[L921]true, 242#[L921-1]true, 243#[L921-2]true, 244#[L921-3]true, 245#[L921-4]true, 246#[L940]true, 247#[L942]true, 248#[L944]true, 249#[L927]true, 250#[L927-1]true, 251#[L927-2]true, 252#[L927-3]true, 253#[L927-4]true, 254#[L927-5]true, 255#[L929]true, 256#[L929-1]true, 257#[L929-2]true, 258#[L929-3]true, 259#[L929-4]true, 260#[L929-5]true, 261#[L929-6]true, 262#[L930]true, 263#[L930-1]true, 264#[L930-2]true, 265#[L930-3]true, 266#[L930-4]true, 267#[L930-5]true, 268#[L930-6]true, 269#[L-1-3]true, 270#[L-1-4]true, 271#[L938]true, 272#[L938-1]true, 273#[L938-2]true, 274#[L939]true, 275#[L939-1]true, 276#[L939-10]true, 277#[L939-11]true, 280#[L941]true, 281#[L941-4]true, 284#[L943]true, 285#[L943-6]true, 287#[L943-2]true, 289#[L943-3]true, 290#[L943-4]true, 291#[L922]true, 292#[L922-1]true, 293#[L922-2]true, 295#[L921-5]true, 297#[L921-7]true, 299#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-26 23:35:17,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 23:35:17,007 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:35:17,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:35:17,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1153713206, now seen corresponding path program 1 times [2021-01-26 23:35:17,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:35:17,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896194791] [2021-01-26 23:35:17,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:35:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:35:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:35:17,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896194791] [2021-01-26 23:35:17,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:35:17,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-26 23:35:17,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008500022] [2021-01-26 23:35:17,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-26 23:35:17,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:35:17,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-26 23:35:17,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 23:35:17,223 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:35:17,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 23:35:17,273 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 82 and size of Sequence is : 83[2021-01-26 23:35:17,320 INFO L164 SleepSetCegar]: Size of mCounterexample is: 83 [2021-01-26 23:35:17,321 INFO L165 SleepSetCegar]: [304#[ULTIMATE.startENTRY]true, 306#[L-1]true, 308#[L-1-1]true, 310#[L-1-2]true, 312#[L921]true, 314#[L921-1]true, 316#[L921-2]true, 318#[L921-3]true, 320#[L921-4]true, 322#[L940]true, 324#[L942]true, 326#[L944]true, 328#[L927]true, 330#[L927-1]true, 332#[L927-2]true, 334#[L927-3]true, 336#[L927-4]true, 338#[L927-5]true, 340#[L929]true, 342#[L929-1]true, 344#[L929-2]true, 346#[L929-3]true, 348#[L929-4]true, 350#[L929-5]true, 352#[L929-6]true, 354#[L930]true, 356#[L930-1]true, 358#[L930-2]true, 360#[L930-3]true, 362#[L930-4]true, 364#[L930-5]true, 366#[L930-6]true, 368#[L-1-3]true, 370#[L-1-4]true, 372#[L938]true, 374#[L938-1]true, 376#[L938-2]true, 378#[L939]true, 380#[L939-1]true, 382#[L939-10](= ULTIMATE.start_main_~i~1 0), 386#[L939-4](= ULTIMATE.start_main_~i~1 0), 393#[L939-5](= ULTIMATE.start_main_~i~1 0), 398#[t_funENTRY, L939-6](= ULTIMATE.start_main_~i~1 0), 408#[L939-6, L932](= ULTIMATE.start_main_~i~1 0), 416#[L939-6, L932-1](= ULTIMATE.start_main_~i~1 0), 428#[L939-6, L933-17](= ULTIMATE.start_main_~i~1 0), 441#[L939-6, L933-7](= ULTIMATE.start_main_~i~1 0), 454#[L933-1, L939-6](= ULTIMATE.start_main_~i~1 0), 468#[L933-2, L939-6](= ULTIMATE.start_main_~i~1 0), 478#[L933-3, L939-6](= ULTIMATE.start_main_~i~1 0), 486#[L939-6, L933-4](= ULTIMATE.start_main_~i~1 0), 496#[L933-5, L939-6](= ULTIMATE.start_main_~i~1 0), 506#[L933-6, L939-6](= ULTIMATE.start_main_~i~1 0), 515#[L939-6, L933-15](= ULTIMATE.start_main_~i~1 0), 530#[L939-6, L933-9](= ULTIMATE.start_main_~i~1 0), 542#[L939-6, L933-10](= ULTIMATE.start_main_~i~1 0), 552#[L933-11, L939-6](= ULTIMATE.start_main_~i~1 0), 562#[L933-12, L939-6](= ULTIMATE.start_main_~i~1 0), 572#[L933-13, L939-6](= ULTIMATE.start_main_~i~1 0), 584#[L939-6, L933-14](= ULTIMATE.start_main_~i~1 0), 592#[L939-6, L933-16](= ULTIMATE.start_main_~i~1 0), 603#[L939-6, L933-18](= ULTIMATE.start_main_~i~1 0), 611#[L935, L939-6](= ULTIMATE.start_main_~i~1 0), 623#[L939-6, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 631#[L939-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 638#[L939-7, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 643#[L939-8, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 648#[L939-9, t_funEXIT]true, 653#[L939-10, t_funEXIT]true, 662#[t_funEXIT, L939-11]true, 671#[L941, t_funEXIT]true, 679#[L941-4, t_funEXIT]true, 691#[L943, t_funEXIT]true, 699#[L943-6, t_funEXIT]true, 707#[L943-2, t_funEXIT]true, 714#[L943-3, t_funEXIT]true, 719#[L943-4, t_funEXIT]true, 724#[L922, t_funEXIT]true, 729#[L922-1, t_funEXIT]true, 737#[L922-2, t_funEXIT]true, 744#[L921-5, t_funEXIT]true, 754#[L921-7, t_funEXIT]true, 764#[t_funEXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-26 23:35:17,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 23:35:17,322 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:35:17,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:35:17,323 INFO L82 PathProgramCache]: Analyzing trace with hash -830774558, now seen corresponding path program 1 times [2021-01-26 23:35:17,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:35:17,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402278447] [2021-01-26 23:35:17,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:35:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:35:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:35:17,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402278447] [2021-01-26 23:35:17,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025586223] [2021-01-26 23:35:17,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-26 23:35:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:35:17,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-26 23:35:17,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-26 23:35:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:35:17,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-26 23:35:17,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-26 23:35:17,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649560918] [2021-01-26 23:35:17,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:35:17,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:35:17,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:35:17,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:35:17,808 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:35:17,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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: 71 and size of Sequence is : 72[2021-01-26 23:35:17,895 INFO L164 SleepSetCegar]: Size of mCounterexample is: 72 [2021-01-26 23:35:17,896 INFO L165 SleepSetCegar]: [1016#[ULTIMATE.startENTRY]true, 1018#[L-1]true, 1020#[L-1-1]true, 1022#[L-1-2]true, 1024#[L921]true, 1026#[L921-1]true, 1028#[L921-2]true, 1030#[L921-3]true, 1032#[L921-4]true, 1034#[L940]true, 1036#[L942]true, 1038#[L944]true, 1040#[L927]true, 1042#[L927-1]true, 1044#[L927-2]true, 1046#[L927-3]true, 1048#[L927-4]true, 1050#[L927-5]true, 1052#[L929]true, 1054#[L929-1]true, 1056#[L929-2]true, 1058#[L929-3]true, 1060#[L929-4]true, 1062#[L929-5]true, 1064#[L929-6]true, 1066#[L930]true, 1068#[L930-1]true, 1070#[L930-2]true, 1072#[L930-3]true, 1074#[L930-4]true, 1076#[L930-5]true, 1078#[L930-6]true, 1080#[L-1-3]true, 1082#[L-1-4]true, 1084#[L938]true, 1086#[L938-1]true, 1088#[L938-2]true, 1090#[L939]true, 1092#[L939-1]true, 1094#[L939-10](= ULTIMATE.start_main_~i~1 0), 1098#[L939-4](= ULTIMATE.start_main_~i~1 0), 1102#[L939-5](= ULTIMATE.start_main_~i~1 0), 1104#[t_funENTRY, L939-6](= ULTIMATE.start_main_~i~1 0), 1108#[L939-6, L932](= ULTIMATE.start_main_~i~1 0), 1110#[L939-6, L932-1](= ULTIMATE.start_main_~i~1 0), 1116#[L939-6, L933-17](= ULTIMATE.start_main_~i~1 0), 1120#[L939-6, L933-7](= ULTIMATE.start_main_~i~1 0), 1124#[L933-1, L939-6](= ULTIMATE.start_main_~i~1 0), 1132#[L933-2, L939-6](= ULTIMATE.start_main_~i~1 0), 1136#[L933-3, L939-6](= ULTIMATE.start_main_~i~1 0), 1138#[L939-6, L933-4](= ULTIMATE.start_main_~i~1 0), 1142#[L933-5, L939-6](= ULTIMATE.start_main_~i~1 0), 1146#[L933-6, L939-6](= ULTIMATE.start_main_~i~1 0), 1150#[L939-6, L933-15](= ULTIMATE.start_main_~i~1 0), 1156#[L939-6, L933-9](= ULTIMATE.start_main_~i~1 0), 1162#[L939-6, L933-10](= ULTIMATE.start_main_~i~1 0), 1166#[L933-11, L939-6](= ULTIMATE.start_main_~i~1 0), 1170#[L933-12, L939-6](= ULTIMATE.start_main_~i~1 0), 1174#[L933-13, L939-6](= ULTIMATE.start_main_~i~1 0), 1180#[L939-6, L933-14](= ULTIMATE.start_main_~i~1 0), 1184#[L939-6, L933-16](= ULTIMATE.start_main_~i~1 0), 1190#[L939-6, L933-18](= ULTIMATE.start_main_~i~1 0), 1192#[L935, L939-6](= ULTIMATE.start_main_~i~1 0), 1198#[L939-6, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 1200#[L939-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 1204#[L939-7, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 1208#[L939-8, t_funEXIT](and (= |ULTIMATE.start_main_#t~post39| 0) (= ULTIMATE.start_main_~i~1 0)), 1212#[L939-9, t_funEXIT](and (= |ULTIMATE.start_main_#t~post39| 0) (<= ULTIMATE.start_main_~i~1 1)), 1214#[L939-10, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1218#[L939-4, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1227#[L939-5, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1234#[ULTIMATE.startErr0INUSE_VIOLATION, t_funEXIT](<= ULTIMATE.start_main_~i~1 1)] [2021-01-26 23:35:18,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-26 23:35:18,098 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:35:18,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:35:18,099 INFO L82 PathProgramCache]: Analyzing trace with hash 756952725, now seen corresponding path program 1 times [2021-01-26 23:35:18,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:35:18,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000824797] [2021-01-26 23:35:18,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:35:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:35:18,203 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:35:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:35:18,282 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:35:18,342 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 23:35:18,342 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 23:35:18,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 23:35:18,343 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-26 23:35:18,344 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-26 23:35:18,351 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@1ed41789 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadAuxiliaryVariable(ThreadInstanceAdder.java:479) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInUseVariable(ThreadInstanceAdder.java:458) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstance(ThreadInstanceAdder.java:438) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:410) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) 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) [2021-01-26 23:35:18,357 INFO L168 Benchmark]: Toolchain (without parser) took 4228.47 ms. Allocated memory was 302.0 MB in the beginning and 375.4 MB in the end (delta: 73.4 MB). Free memory was 275.4 MB in the beginning and 300.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 51.6 MB. Max. memory is 16.0 GB. [2021-01-26 23:35:18,358 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 302.0 MB. Free memory was 271.6 MB in the beginning and 271.5 MB in the end (delta: 154.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:35:18,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1254.76 ms. Allocated memory is still 302.0 MB. Free memory was 274.4 MB in the beginning and 248.0 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.0 GB. [2021-01-26 23:35:18,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.57 ms. Allocated memory is still 302.0 MB. Free memory was 248.0 MB in the beginning and 245.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:35:18,363 INFO L168 Benchmark]: Boogie Preprocessor took 40.16 ms. Allocated memory is still 302.0 MB. Free memory was 245.9 MB in the beginning and 244.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:35:18,364 INFO L168 Benchmark]: RCFGBuilder took 859.25 ms. Allocated memory was 302.0 MB in the beginning and 375.4 MB in the end (delta: 73.4 MB). Free memory was 243.8 MB in the beginning and 334.8 MB in the end (delta: -91.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.0 GB. [2021-01-26 23:35:18,365 INFO L168 Benchmark]: TraceAbstraction took 1936.13 ms. Allocated memory is still 375.4 MB. Free memory was 333.8 MB in the beginning and 300.2 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-01-26 23:35:18,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 302.0 MB. Free memory was 271.6 MB in the beginning and 271.5 MB in the end (delta: 154.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1254.76 ms. Allocated memory is still 302.0 MB. Free memory was 274.4 MB in the beginning and 248.0 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 120.57 ms. Allocated memory is still 302.0 MB. Free memory was 248.0 MB in the beginning and 245.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.16 ms. Allocated memory is still 302.0 MB. Free memory was 245.9 MB in the beginning and 244.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 859.25 ms. Allocated memory was 302.0 MB in the beginning and 375.4 MB in the end (delta: 73.4 MB). Free memory was 243.8 MB in the beginning and 334.8 MB in the end (delta: -91.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1936.13 ms. Allocated memory is still 375.4 MB. Free memory was 333.8 MB in the beginning and 300.2 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. 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@1ed41789 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@1ed41789: 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...