/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/pthread-wmm/safe022_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 04:46:09,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 04:46:09,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 04:46:09,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 04:46:09,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 04:46:09,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 04:46:09,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 04:46:09,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 04:46:09,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 04:46:09,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 04:46:09,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 04:46:09,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 04:46:09,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 04:46:09,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 04:46:09,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 04:46:09,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 04:46:09,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 04:46:09,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 04:46:09,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 04:46:09,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 04:46:09,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 04:46:09,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 04:46:09,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 04:46:09,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 04:46:09,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 04:46:09,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 04:46:09,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 04:46:09,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 04:46:09,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 04:46:09,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 04:46:09,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 04:46:09,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 04:46:09,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 04:46:09,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 04:46:09,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 04:46:09,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 04:46:09,290 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 [2020-12-18 04:46:09,323 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 04:46:09,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 04:46:09,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 04:46:09,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 04:46:09,328 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 04:46:09,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 04:46:09,328 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 04:46:09,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 04:46:09,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 04:46:09,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 04:46:09,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 04:46:09,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 04:46:09,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 04:46:09,331 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 04:46:09,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 04:46:09,332 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 04:46:09,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 04:46:09,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 04:46:09,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 04:46:09,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 04:46:09,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 04:46:09,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 04:46:09,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 04:46:09,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 04:46:09,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 04:46:09,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 04:46:09,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 04:46:09,335 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 04:46:09,336 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 04:46:09,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 04:46:09,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 04:46:09,336 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 04:46:09,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 04:46:09,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 04:46:09,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 04:46:09,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 04:46:09,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 04:46:09,812 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 04:46:09,813 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 04:46:09,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i [2020-12-18 04:46:09,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1984435d1/2685ecf4546549b2b2a506a66c91b806/FLAGb61da065e [2020-12-18 04:46:10,598 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 04:46:10,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i [2020-12-18 04:46:10,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1984435d1/2685ecf4546549b2b2a506a66c91b806/FLAGb61da065e [2020-12-18 04:46:10,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1984435d1/2685ecf4546549b2b2a506a66c91b806 [2020-12-18 04:46:10,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 04:46:10,901 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 04:46:10,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 04:46:10,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 04:46:10,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 04:46:10,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:46:10" (1/1) ... [2020-12-18 04:46:10,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5518631e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:10, skipping insertion in model container [2020-12-18 04:46:10,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:46:10" (1/1) ... [2020-12-18 04:46:10,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 04:46:10,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 04:46:11,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 04:46:11,429 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 04:46:11,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 04:46:11,627 INFO L208 MainTranslator]: Completed translation [2020-12-18 04:46:11,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11 WrapperNode [2020-12-18 04:46:11,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 04:46:11,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 04:46:11,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 04:46:11,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 04:46:11,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (1/1) ... [2020-12-18 04:46:11,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (1/1) ... [2020-12-18 04:46:11,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 04:46:11,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 04:46:11,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 04:46:11,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 04:46:11,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (1/1) ... [2020-12-18 04:46:11,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (1/1) ... [2020-12-18 04:46:11,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (1/1) ... [2020-12-18 04:46:11,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (1/1) ... [2020-12-18 04:46:11,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (1/1) ... [2020-12-18 04:46:11,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (1/1) ... [2020-12-18 04:46:11,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (1/1) ... [2020-12-18 04:46:11,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 04:46:11,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 04:46:11,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 04:46:11,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 04:46:11,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 04:46:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 04:46:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-18 04:46:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 04:46:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 04:46:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-12-18 04:46:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-12-18 04:46:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-12-18 04:46:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-12-18 04:46:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 04:46:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-18 04:46:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 04:46:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 04:46:11,800 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 04:46:12,148 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 04:46:12,149 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-18 04:46:12,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:46:12 BoogieIcfgContainer [2020-12-18 04:46:12,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 04:46:12,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 04:46:12,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 04:46:12,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 04:46:12,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:46:10" (1/3) ... [2020-12-18 04:46:12,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b67cc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:46:12, skipping insertion in model container [2020-12-18 04:46:12,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:46:11" (2/3) ... [2020-12-18 04:46:12,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b67cc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:46:12, skipping insertion in model container [2020-12-18 04:46:12,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:46:12" (3/3) ... [2020-12-18 04:46:12,162 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_tso.oepc.i [2020-12-18 04:46:12,180 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 04:46:12,180 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 04:46:12,184 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 04:46:12,185 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 04:46:12,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,256 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,256 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,257 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,257 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,260 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,260 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,266 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,266 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,274 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,274 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 04:46:12,277 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 04:46:12,295 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-18 04:46:12,322 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 04:46:12,323 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 04:46:12,323 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 04:46:12,323 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 04:46:12,323 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 04:46:12,323 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 04:46:12,323 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 04:46:12,324 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 04:46:12,624 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 279ms [2020-12-18 04:46:12,625 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1321 states, but on-demand construction may add more states [2020-12-18 04:46:12,633 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 1321 states, 1216 states have (on average 1.2919407894736843) internal successors, (1571), 1320 states have internal predecessors, (1571), 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: 49 and size of Sequence is : 50[2020-12-18 04:46:12,657 INFO L131 SleepSetCegar]: Size of mCounterexample is: 50 [2020-12-18 04:46:12,658 INFO L132 SleepSetCegar]: [74#[ULTIMATE.startENTRY]don't care, 76#[L-1]don't care, 78#[L-1-1]don't care, 80#[L17]don't care, 82#[L17-1]don't care, 84#[L17-2]don't care, 86#[L17-3]don't care, 88#[L17-4]don't care, 90#[L710]don't care, 92#[L712]don't care, 94#[L713]don't care, 96#[L714]don't care, 98#[L716]don't care, 100#[L718]don't care, 102#[L-1-2]don't care, 104#[L-1-3]don't care, 106#[L760]don't care, 108#[L760-1]don't care, 110#[L761]don't care, 112#[P0ENTRY, L761-1]don't care, 116#[L721, L761-1]don't care, 118#[L723, L761-1]don't care, 124#[L726, L761-1]don't care, 128#[L731, L761-1]don't care, 130#[P0FINAL, L761-1]don't care, 134#[P0EXIT, L761-1]don't care, 138#[P0EXIT, L762]don't care, 140#[L762-1, P0EXIT]don't care, 142#[L763, P0EXIT]don't care, 144#[L763-1, P1ENTRY, P0EXIT]don't care, 146#[L764, P1ENTRY, P0EXIT]don't care, 152#[L764, P0EXIT, L736]don't care, 156#[L764, L738, P0EXIT]don't care, 160#[L764, L741, P0EXIT]don't care, 164#[L764, P0EXIT, L746]don't care, 168#[P1FINAL, L764, P0EXIT]don't care, 172#[L764, P0EXIT, P1EXIT]don't care, 174#[P0EXIT, L766, P1EXIT]don't care, 176#[P0EXIT, P1EXIT, L767]don't care, 178#[P0EXIT, P1EXIT, L2]don't care, 180#[L3, P0EXIT, P1EXIT]don't care, 184#[P0EXIT, L2-1, P1EXIT]don't care, 186#[P0EXIT, L772, P1EXIT]don't care, 188#[P0EXIT, L773, P1EXIT]don't care, 190#[P0EXIT, L18, P1EXIT]don't care, 192#[P0EXIT, L18-1, P1EXIT]don't care, 194#[L18-2, P0EXIT, P1EXIT]don't care, 198#[P0EXIT, L17-5, P1EXIT]don't care, 202#[L17-7, P0EXIT, P1EXIT]don't care, 204#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT]don't care] [2020-12-18 04:46:12,658 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 04:46:12,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 04:46:12,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1961712272, now seen corresponding path program 1 times [2020-12-18 04:46:12,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 04:46:12,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729799013] [2020-12-18 04:46:12,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 04:46:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 04:46:13,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 04:46:13,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729799013] [2020-12-18 04:46:13,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 04:46:13,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-18 04:46:13,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175321428] [2020-12-18 04:46:13,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-18 04:46:13,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 04:46:13,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-18 04:46:13,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-18 04:46:13,213 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 04:46:13,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 04:46:13,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 04:46:13,389 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@5026ae83 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.lambda$0(SleepSetDelayReduction.java:171) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.search(SleepSetDelayReduction.java:172) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:120) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-18 04:46:13,396 INFO L168 Benchmark]: Toolchain (without parser) took 2493.66 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 275.8 MB in the beginning and 289.9 MB in the end (delta: -14.0 MB). Peak memory consumption was 49.2 MB. Max. memory is 16.0 GB. [2020-12-18 04:46:13,397 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 04:46:13,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.07 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 274.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2020-12-18 04:46:13,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.90 ms. Allocated memory is still 302.0 MB. Free memory was 274.3 MB in the beginning and 272.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 04:46:13,399 INFO L168 Benchmark]: Boogie Preprocessor took 27.61 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 271.3 MB in the end (delta: 945.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 04:46:13,400 INFO L168 Benchmark]: RCFGBuilder took 445.13 ms. Allocated memory is still 302.0 MB. Free memory was 271.3 MB in the beginning and 250.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2020-12-18 04:46:13,401 INFO L168 Benchmark]: TraceAbstraction took 1239.03 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 250.2 MB in the beginning and 289.9 MB in the end (delta: -39.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.0 GB. [2020-12-18 04:46:13,406 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 is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 723.07 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 274.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.90 ms. Allocated memory is still 302.0 MB. Free memory was 274.3 MB in the beginning and 272.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.61 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 271.3 MB in the end (delta: 945.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 445.13 ms. Allocated memory is still 302.0 MB. Free memory was 271.3 MB in the beginning and 250.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1239.03 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 250.2 MB in the beginning and 289.9 MB in the end (delta: -39.7 MB). Peak memory consumption was 24.3 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@5026ae83 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@5026ae83: 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...