/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/goblint-regression/28-race_reach_24-sound_lock_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 03:12:22,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 03:12:22,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 03:12:22,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 03:12:22,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 03:12:22,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 03:12:22,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 03:12:22,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 03:12:22,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 03:12:22,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 03:12:22,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 03:12:22,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 03:12:22,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 03:12:22,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 03:12:22,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 03:12:22,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 03:12:22,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 03:12:22,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 03:12:22,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 03:12:22,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 03:12:22,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 03:12:22,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 03:12:22,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 03:12:22,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 03:12:22,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 03:12:22,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 03:12:22,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 03:12:22,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 03:12:22,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 03:12:22,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 03:12:22,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 03:12:22,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 03:12:22,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 03:12:22,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 03:12:22,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 03:12:22,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 03:12:22,200 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 [2021-01-27 03:12:22,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 03:12:22,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 03:12:22,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 03:12:22,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 03:12:22,231 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 03:12:22,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 03:12:22,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 03:12:22,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 03:12:22,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 03:12:22,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 03:12:22,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 03:12:22,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 03:12:22,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 03:12:22,233 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 03:12:22,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 03:12:22,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 03:12:22,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 03:12:22,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 03:12:22,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 03:12:22,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 03:12:22,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 03:12:22,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 03:12:22,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 03:12:22,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 03:12:22,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 03:12:22,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 03:12:22,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 03:12:22,237 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 03:12:22,237 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 03:12:22,238 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 03:12:22,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 03:12:22,238 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 03:12:22,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 03:12:22,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 03:12:22,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 03:12:22,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 03:12:22,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 03:12:22,660 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 03:12:22,661 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 03:12:22,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2021-01-27 03:12:22,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9b65eb5/7efdc20e90834e9db7c26b3f7a8fd238/FLAG082dbc786 [2021-01-27 03:12:23,407 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 03:12:23,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2021-01-27 03:12:23,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9b65eb5/7efdc20e90834e9db7c26b3f7a8fd238/FLAG082dbc786 [2021-01-27 03:12:23,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9b65eb5/7efdc20e90834e9db7c26b3f7a8fd238 [2021-01-27 03:12:23,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 03:12:23,715 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 03:12:23,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 03:12:23,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 03:12:23,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 03:12:23,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:12:23" (1/1) ... [2021-01-27 03:12:23,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668990bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:23, skipping insertion in model container [2021-01-27 03:12:23,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:12:23" (1/1) ... [2021-01-27 03:12:23,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 03:12:23,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 03:12:24,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:12:24,400 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 03:12:24,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:12:24,585 INFO L208 MainTranslator]: Completed translation [2021-01-27 03:12:24,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24 WrapperNode [2021-01-27 03:12:24,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 03:12:24,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 03:12:24,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 03:12:24,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 03:12:24,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (1/1) ... [2021-01-27 03:12:24,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (1/1) ... [2021-01-27 03:12:24,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 03:12:24,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 03:12:24,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 03:12:24,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 03:12:24,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (1/1) ... [2021-01-27 03:12:24,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (1/1) ... [2021-01-27 03:12:24,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (1/1) ... [2021-01-27 03:12:24,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (1/1) ... [2021-01-27 03:12:24,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (1/1) ... [2021-01-27 03:12:24,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (1/1) ... [2021-01-27 03:12:24,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (1/1) ... [2021-01-27 03:12:24,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 03:12:24,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 03:12:24,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 03:12:24,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 03:12:24,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (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 [2021-01-27 03:12:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-27 03:12:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 03:12:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-27 03:12:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 03:12:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-27 03:12:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-27 03:12:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 03:12:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 03:12:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 03:12:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 03:12:24,840 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 03:12:25,395 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 03:12:25,395 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2021-01-27 03:12:25,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:12:25 BoogieIcfgContainer [2021-01-27 03:12:25,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 03:12:25,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 03:12:25,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 03:12:25,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 03:12:25,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:12:23" (1/3) ... [2021-01-27 03:12:25,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e19742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:12:25, skipping insertion in model container [2021-01-27 03:12:25,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:24" (2/3) ... [2021-01-27 03:12:25,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e19742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:12:25, skipping insertion in model container [2021-01-27 03:12:25,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:12:25" (3/3) ... [2021-01-27 03:12:25,407 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_24-sound_lock_racing.i [2021-01-27 03:12:25,423 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 03:12:25,423 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 03:12:25,427 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 03:12:25,428 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 03:12:25,460 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,460 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,460 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,461 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,461 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,473 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,476 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:25,484 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-27 03:12:25,498 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-27 03:12:25,525 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 03:12:25,525 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 03:12:25,526 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 03:12:25,526 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 03:12:25,526 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 03:12:25,526 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 03:12:25,526 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 03:12:25,526 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 59 and size of Sequence is : 60[2021-01-27 03:12:25,562 INFO L164 SleepSetCegar]: Size of mCounterexample is: 60 [2021-01-27 03:12:25,563 INFO L165 SleepSetCegar]: [105#[ULTIMATE.startENTRY]don't care, 108#[L-1]don't care, 111#[L-1-1]don't care, 114#[L683]don't care, 117#[L683-1]don't care, 120#[L683-2]don't care, 123#[L683-3]don't care, 126#[L683-4]don't care, 129#[L689]don't care, 132#[L689-1]don't care, 135#[L689-2]don't care, 138#[L689-3]don't care, 141#[L689-4]don't care, 144#[L689-5]don't care, 147#[L691]don't care, 150#[L691-1]don't care, 153#[L691-2]don't care, 156#[L691-3]don't care, 159#[L691-4]don't care, 162#[L691-5]don't care, 165#[L691-6]don't care, 168#[L692]don't care, 171#[L692-1]don't care, 174#[L692-2]don't care, 177#[L692-3]don't care, 180#[L692-4]don't care, 183#[L692-5]don't care, 186#[L-1-2]don't care, 189#[L700]don't care, 192#[L700-1]don't care, 195#[L700-2]don't care, 198#[L701]don't care, 201#[L702]don't care, 206#[L702-1]don't care, 204#[L702-3]don't care, 211#[L703]don't care, 214#[L703-9]don't care, 217#[L703-10]don't care, 224#[L704]don't care, 227#[L705-5]don't care, 232#[L705-1]don't care, 236#[L705-2]don't care, 239#[L705-3]don't care, 242#[L684]don't care, 245#[L684-1]don't care, 250#[L684-2]don't care, 254#[L683-5]don't care, 257#[L683-9]don't care, 248#[L684-4]don't care, 264#[L705-4]don't care, 227#[L705-5]don't care, 232#[L705-1]don't care, 236#[L705-2]don't care, 239#[L705-3]don't care, 242#[L684]don't care, 245#[L684-1]don't care, 250#[L684-2]don't care, 254#[L683-5]don't care, 259#[L683-7]don't care, 320#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-27 03:12:25,563 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:12:25,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:12:25,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1550350660, now seen corresponding path program 1 times [2021-01-27 03:12:25,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:12:25,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878790993] [2021-01-27 03:12:25,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:12:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:12:25,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-27 03:12:25,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878790993] [2021-01-27 03:12:25,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:12:25,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 03:12:25,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947831204] [2021-01-27 03:12:25,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 03:12:25,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:12:25,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 03:12:25,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 03:12:25,901 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:12:25,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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: 48 and size of Sequence is : 49[2021-01-27 03:12:25,937 INFO L164 SleepSetCegar]: Size of mCounterexample is: 49 [2021-01-27 03:12:25,943 INFO L165 SleepSetCegar]: [324#[ULTIMATE.startENTRY]true, 326#[L-1]true, 328#[L-1-1]true, 330#[L683]true, 332#[L683-1]true, 334#[L683-2]true, 336#[L683-3]true, 338#[L683-4]true, 340#[L689]true, 342#[L689-1]true, 344#[L689-2]true, 346#[L689-3]true, 348#[L689-4]true, 350#[L689-5]true, 352#[L691]true, 354#[L691-1]true, 356#[L691-2]true, 358#[L691-3]true, 360#[L691-4]true, 362#[L691-5]true, 364#[L691-6]true, 366#[L692]true, 368#[L692-1]true, 370#[L692-2]true, 372#[L692-3]true, 374#[L692-4]true, 376#[L692-5]true, 378#[L-1-2]true, 380#[L700]true, 382#[L700-1]true, 384#[L700-2]true, 386#[L701]true, 388#[L702]true, 391#[L702-1]true, 390#[L702-3]true, 395#[L703]true, 397#[L703-9]true, 399#[L703-10]true, 405#[L704]true, 407#[L705-5]true, 410#[L705-1]true, 413#[L705-2]true, 415#[L705-3]true, 417#[L684]true, 419#[L684-1]true, 422#[L684-2]true, 425#[L683-5]true, 428#[L683-7]true, 432#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 03:12:25,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 03:12:25,944 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:12:25,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:12:25,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1379931782, now seen corresponding path program 1 times [2021-01-27 03:12:25,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:12:25,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872623329] [2021-01-27 03:12:25,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:12:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:12:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:12:26,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872623329] [2021-01-27 03:12:26,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:12:26,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-27 03:12:26,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821232735] [2021-01-27 03:12:26,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-27 03:12:26,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:12:26,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-27 03:12:26,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-27 03:12:26,088 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:12:26,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-01-27 03:12:26,145 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 77 and size of Sequence is : 78[2021-01-27 03:12:26,192 INFO L164 SleepSetCegar]: Size of mCounterexample is: 78 [2021-01-27 03:12:26,193 INFO L165 SleepSetCegar]: [438#[ULTIMATE.startENTRY]true, 441#[L-1]true, 444#[L-1-1]true, 447#[L683]true, 450#[L683-1]true, 453#[L683-2]true, 456#[L683-3]true, 459#[L683-4]true, 462#[L689]true, 465#[L689-1]true, 468#[L689-2]true, 471#[L689-3]true, 474#[L689-4]true, 477#[L689-5]true, 480#[L691]true, 483#[L691-1]true, 486#[L691-2]true, 489#[L691-3]true, 492#[L691-4]true, 495#[L691-5]true, 498#[L691-6]true, 501#[L692]true, 504#[L692-1]true, 507#[L692-2]true, 510#[L692-3]true, 513#[L692-4]true, 516#[L692-5]true, 519#[L-1-2]true, 522#[L700]true, 525#[L700-1]true, 528#[L700-2]true, 531#[L701]true, 534#[L702]true, 539#[L702-1]true, 537#[L702-3]true, 544#[L703]true, 547#[L703-9](= ULTIMATE.start_main_~i~1 0), 552#[L703-3](= ULTIMATE.start_main_~i~1 0), 562#[L703-4](= ULTIMATE.start_main_~i~1 0), 568#[t_funENTRY, L703-5](= ULTIMATE.start_main_~i~1 0), 579#[L694, L703-5](= ULTIMATE.start_main_~i~1 0), 591#[L694-1, L703-5](= ULTIMATE.start_main_~i~1 0), 601#[L695-17, L703-5](= ULTIMATE.start_main_~i~1 0), 618#[L703-5, L695-7](= ULTIMATE.start_main_~i~1 0), 638#[L695-1, L703-5](= ULTIMATE.start_main_~i~1 0), 651#[L695-2, L703-5](= ULTIMATE.start_main_~i~1 0), 661#[L695-3, L703-5](= ULTIMATE.start_main_~i~1 0), 673#[L695-4, L703-5](= ULTIMATE.start_main_~i~1 0), 685#[L695-5, L703-5](= ULTIMATE.start_main_~i~1 0), 699#[L695-6, L703-5](= ULTIMATE.start_main_~i~1 0), 712#[L695-15, L703-5](= ULTIMATE.start_main_~i~1 0), 728#[L695-9, L703-5](= ULTIMATE.start_main_~i~1 0), 743#[L695-10, L703-5](= ULTIMATE.start_main_~i~1 0), 753#[L695-11, L703-5](= ULTIMATE.start_main_~i~1 0), 765#[L703-5, L695-12](= ULTIMATE.start_main_~i~1 0), 779#[L695-13, L703-5](= ULTIMATE.start_main_~i~1 0), 791#[L695-14, L703-5](= ULTIMATE.start_main_~i~1 0), 801#[L695-16, L703-5](= ULTIMATE.start_main_~i~1 0), 811#[L695-18, L703-5](= ULTIMATE.start_main_~i~1 0), 828#[L697, L703-5](= ULTIMATE.start_main_~i~1 0), 840#[L703-5, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 852#[L703-5, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 859#[L703-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 865#[L703-7, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 871#[L703-8, t_funEXIT]true, 877#[t_funEXIT, L703-9]true, 887#[L703-10, t_funEXIT]true, 898#[L704, t_funEXIT]true, 904#[L705-5, t_funEXIT]true, 915#[L705-1, t_funEXIT]true, 922#[t_funEXIT, L705-2]true, 928#[t_funEXIT, L705-3]true, 934#[L684, t_funEXIT]true, 940#[t_funEXIT, L684-1]true, 951#[L684-2, t_funEXIT]true, 958#[L683-5, t_funEXIT]true, 969#[L683-7, t_funEXIT]true, 981#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funEXIT]true] [2021-01-27 03:12:26,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 03:12:26,193 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:12:26,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:12:26,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1143706319, now seen corresponding path program 1 times [2021-01-27 03:12:26,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:12:26,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628389332] [2021-01-27 03:12:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:12:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:12:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:12:26,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628389332] [2021-01-27 03:12:26,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477901478] [2021-01-27 03:12:26,395 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 [2021-01-27 03:12:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:12:26,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-27 03:12:26,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-27 03:12:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:12:26,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-27 03:12:26,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-27 03:12:26,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201738540] [2021-01-27 03:12:26,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 03:12:26,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:12:26,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 03:12:26,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-27 03:12:26,633 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:12:26,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 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: 68 and size of Sequence is : 69[2021-01-27 03:12:26,724 INFO L164 SleepSetCegar]: Size of mCounterexample is: 69 [2021-01-27 03:12:26,725 INFO L165 SleepSetCegar]: [1219#[ULTIMATE.startENTRY]true, 1222#[L-1]true, 1225#[L-1-1]true, 1228#[L683]true, 1231#[L683-1]true, 1234#[L683-2]true, 1237#[L683-3]true, 1240#[L683-4]true, 1243#[L689]true, 1246#[L689-1]true, 1249#[L689-2]true, 1252#[L689-3]true, 1255#[L689-4]true, 1258#[L689-5]true, 1261#[L691]true, 1264#[L691-1]true, 1267#[L691-2]true, 1270#[L691-3]true, 1273#[L691-4]true, 1276#[L691-5]true, 1279#[L691-6]true, 1282#[L692]true, 1285#[L692-1]true, 1288#[L692-2]true, 1291#[L692-3]true, 1294#[L692-4]true, 1297#[L692-5]true, 1300#[L-1-2]true, 1303#[L700]true, 1306#[L700-1]true, 1309#[L700-2]true, 1312#[L701]true, 1315#[L702]true, 1320#[L702-1]true, 1318#[L702-3]true, 1325#[L703]true, 1328#[L703-9](= ULTIMATE.start_main_~i~1 0), 1333#[L703-3](= ULTIMATE.start_main_~i~1 0), 1340#[L703-4](= ULTIMATE.start_main_~i~1 0), 1343#[t_funENTRY, L703-5](= ULTIMATE.start_main_~i~1 0), 1348#[L694, L703-5](= ULTIMATE.start_main_~i~1 0), 1354#[L694-1, L703-5](= ULTIMATE.start_main_~i~1 0), 1358#[L695-17, L703-5](= ULTIMATE.start_main_~i~1 0), 1366#[L703-5, L695-7](= ULTIMATE.start_main_~i~1 0), 1377#[L695-1, L703-5](= ULTIMATE.start_main_~i~1 0), 1384#[L695-2, L703-5](= ULTIMATE.start_main_~i~1 0), 1388#[L695-3, L703-5](= ULTIMATE.start_main_~i~1 0), 1394#[L695-4, L703-5](= ULTIMATE.start_main_~i~1 0), 1400#[L695-5, L703-5](= ULTIMATE.start_main_~i~1 0), 1408#[L695-6, L703-5](= ULTIMATE.start_main_~i~1 0), 1416#[L695-15, L703-5](= ULTIMATE.start_main_~i~1 0), 1423#[L695-9, L703-5](= ULTIMATE.start_main_~i~1 0), 1432#[L695-10, L703-5](= ULTIMATE.start_main_~i~1 0), 1436#[L695-11, L703-5](= ULTIMATE.start_main_~i~1 0), 1442#[L703-5, L695-12](= ULTIMATE.start_main_~i~1 0), 1450#[L695-13, L703-5](= ULTIMATE.start_main_~i~1 0), 1456#[L695-14, L703-5](= ULTIMATE.start_main_~i~1 0), 1462#[L695-16, L703-5](= ULTIMATE.start_main_~i~1 0), 1467#[L695-18, L703-5](= ULTIMATE.start_main_~i~1 0), 1478#[L697, L703-5](= ULTIMATE.start_main_~i~1 0), 1484#[L703-5, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 1490#[L703-5, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 1494#[L703-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 1499#[L703-7, t_funEXIT](and (= |ULTIMATE.start_main_#t~post11| 0) (= ULTIMATE.start_main_~i~1 0)), 1504#[L703-8, t_funEXIT](and (= |ULTIMATE.start_main_#t~post11| 0) (<= ULTIMATE.start_main_~i~1 1)), 1507#[t_funEXIT, L703-9](<= ULTIMATE.start_main_~i~1 1), 1512#[L703-3, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1522#[L703-4, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1530#[ULTIMATE.startErr0INUSE_VIOLATION, t_funEXIT](<= ULTIMATE.start_main_~i~1 1)] [2021-01-27 03:12:26,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-27 03:12:26,927 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:12:26,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:12:26,929 INFO L82 PathProgramCache]: Analyzing trace with hash -953681782, now seen corresponding path program 1 times [2021-01-27 03:12:26,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:12:26,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147294108] [2021-01-27 03:12:26,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:12:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:12:27,037 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:12:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:12:27,117 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:12:27,154 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-27 03:12:27,154 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-27 03:12:27,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 03:12:27,155 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-27 03:12:27,155 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-27 03:12:27,163 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@5f5f4b2b 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) [2021-01-27 03:12:27,167 INFO L168 Benchmark]: Toolchain (without parser) took 3462.06 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 125.6 MB in the end (delta: 146.8 MB). Peak memory consumption was 143.0 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:27,168 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory was 272.0 MB in the beginning and 272.0 MB in the end (delta: 58.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 03:12:27,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.40 ms. Allocated memory is still 302.0 MB. Free memory was 271.4 MB in the beginning and 264.0 MB in the end (delta: 7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:27,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.33 ms. Allocated memory is still 302.0 MB. Free memory was 264.0 MB in the beginning and 261.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:27,171 INFO L168 Benchmark]: Boogie Preprocessor took 78.51 ms. Allocated memory is still 302.0 MB. Free memory was 261.9 MB in the beginning and 260.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:27,172 INFO L168 Benchmark]: RCFGBuilder took 667.43 ms. Allocated memory is still 302.0 MB. Free memory was 259.8 MB in the beginning and 232.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:27,172 INFO L168 Benchmark]: TraceAbstraction took 1765.98 ms. Allocated memory is still 302.0 MB. Free memory was 232.6 MB in the beginning and 125.6 MB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:27,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory was 272.0 MB in the beginning and 272.0 MB in the end (delta: 58.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 866.40 ms. Allocated memory is still 302.0 MB. Free memory was 271.4 MB in the beginning and 264.0 MB in the end (delta: 7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 63.33 ms. Allocated memory is still 302.0 MB. Free memory was 264.0 MB in the beginning and 261.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 78.51 ms. Allocated memory is still 302.0 MB. Free memory was 261.9 MB in the beginning and 260.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 667.43 ms. Allocated memory is still 302.0 MB. Free memory was 259.8 MB in the beginning and 232.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1765.98 ms. Allocated memory is still 302.0 MB. Free memory was 232.6 MB in the beginning and 125.6 MB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 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@5f5f4b2b de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@5f5f4b2b: 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...