/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 08:49:58,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 08:49:58,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 08:49:58,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 08:49:58,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 08:49:58,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 08:49:58,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 08:49:58,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 08:49:58,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 08:49:58,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 08:49:58,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 08:49:58,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 08:49:58,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 08:49:58,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 08:49:58,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 08:49:58,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 08:49:58,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 08:49:58,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 08:49:58,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 08:49:58,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 08:49:58,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 08:49:58,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 08:49:58,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 08:49:58,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 08:49:58,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 08:49:58,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 08:49:58,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 08:49:58,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 08:49:58,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 08:49:58,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 08:49:58,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 08:49:58,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 08:49:58,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 08:49:58,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 08:49:58,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 08:49:58,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 08:49:58,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2020-12-18 08:49:58,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 08:49:58,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 08:49:58,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 08:49:58,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 08:49:58,311 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 08:49:58,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 08:49:58,312 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 08:49:58,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 08:49:58,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 08:49:58,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 08:49:58,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 08:49:58,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 08:49:58,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 08:49:58,314 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 08:49:58,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 08:49:58,315 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 08:49:58,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 08:49:58,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 08:49:58,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 08:49:58,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 08:49:58,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 08:49:58,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 08:49:58,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 08:49:58,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 08:49:58,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 08:49:58,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 08:49:58,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 08:49:58,317 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 08:49:58,318 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 08:49:58,318 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 08:49:58,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 08:49:58,318 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 08:49:58,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 08:49:58,319 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 08:49:58,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 08:49:58,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 08:49:58,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 08:49:58,751 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 08:49:58,752 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 08:49:58,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.opt.i [2020-12-18 08:49:58,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f6821b45/49667f3d63564ce0bdaf039380ca5f4e/FLAG69d8ff9f0 [2020-12-18 08:49:59,512 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 08:49:59,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_tso.opt.i [2020-12-18 08:49:59,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f6821b45/49667f3d63564ce0bdaf039380ca5f4e/FLAG69d8ff9f0 [2020-12-18 08:49:59,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f6821b45/49667f3d63564ce0bdaf039380ca5f4e [2020-12-18 08:49:59,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 08:49:59,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 08:49:59,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 08:49:59,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 08:49:59,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 08:49:59,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:49:59" (1/1) ... [2020-12-18 08:49:59,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8416ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:49:59, skipping insertion in model container [2020-12-18 08:49:59,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:49:59" (1/1) ... [2020-12-18 08:49:59,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 08:49:59,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 08:50:00,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 08:50:00,376 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 08:50:00,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 08:50:00,583 INFO L208 MainTranslator]: Completed translation [2020-12-18 08:50:00,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00 WrapperNode [2020-12-18 08:50:00,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 08:50:00,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 08:50:00,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 08:50:00,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 08:50:00,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (1/1) ... [2020-12-18 08:50:00,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (1/1) ... [2020-12-18 08:50:00,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 08:50:00,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 08:50:00,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 08:50:00,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 08:50:00,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (1/1) ... [2020-12-18 08:50:00,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (1/1) ... [2020-12-18 08:50:00,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (1/1) ... [2020-12-18 08:50:00,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (1/1) ... [2020-12-18 08:50:00,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (1/1) ... [2020-12-18 08:50:00,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (1/1) ... [2020-12-18 08:50:00,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (1/1) ... [2020-12-18 08:50:00,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 08:50:00,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 08:50:00,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 08:50:00,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 08:50:00,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (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 08:50:00,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 08:50:00,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-18 08:50:00,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 08:50:00,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 08:50:00,778 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-12-18 08:50:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-12-18 08:50:00,778 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-12-18 08:50:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-12-18 08:50:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-12-18 08:50:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-12-18 08:50:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 08:50:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-18 08:50:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 08:50:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 08:50:00,781 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 08:50:01,414 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 08:50:01,415 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-18 08:50:01,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:50:01 BoogieIcfgContainer [2020-12-18 08:50:01,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 08:50:01,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 08:50:01,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 08:50:01,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 08:50:01,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 08:49:59" (1/3) ... [2020-12-18 08:50:01,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b08fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:50:01, skipping insertion in model container [2020-12-18 08:50:01,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:50:00" (2/3) ... [2020-12-18 08:50:01,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b08fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:50:01, skipping insertion in model container [2020-12-18 08:50:01,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:50:01" (3/3) ... [2020-12-18 08:50:01,427 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_tso.opt.i [2020-12-18 08:50:01,447 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 08:50:01,448 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 08:50:01,452 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 08:50:01,453 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 08:50:01,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,485 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,486 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,486 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,486 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,488 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,488 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,489 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,489 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,491 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,491 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,492 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,492 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,495 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,496 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,496 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,503 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,503 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,504 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,506 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,507 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:50:01,509 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 08:50:01,522 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-18 08:50:01,548 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 08:50:01,548 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 08:50:01,548 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 08:50:01,548 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 08:50:01,548 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 08:50:01,548 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 08:50:01,549 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 08:50:01,549 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 08:50:03,729 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 2159ms [2020-12-18 08:50:03,730 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 8447 states, but on-demand construction may add more states [2020-12-18 08:50:03,770 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 8447 states, 7768 states have (on average 1.320030895983522) internal successors, (10254), 8446 states have internal predecessors, (10254), 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: 59 and size of Sequence is : 60[2020-12-18 08:50:03,799 INFO L131 SleepSetCegar]: Size of mCounterexample is: 60 [2020-12-18 08:50:03,800 INFO L132 SleepSetCegar]: [89#[ULTIMATE.startENTRY]don't care, 92#[L-1]don't care, 95#[L-1-1]don't care, 98#[L17]don't care, 101#[L17-1]don't care, 104#[L17-2]don't care, 107#[L17-3]don't care, 110#[L17-4]don't care, 113#[L711]don't care, 116#[L713]don't care, 119#[L714]don't care, 122#[L715]don't care, 125#[L717]don't care, 128#[L719]don't care, 131#[L-1-2]don't care, 134#[L-1-3]don't care, 137#[L775]don't care, 140#[L775-1]don't care, 143#[L776]don't care, 146#[L776-1, P0ENTRY]don't care, 151#[L776-1, L722]don't care, 157#[L776-1, L724]don't care, 161#[L729, L776-1]don't care, 167#[L776-1, L734]don't care, 173#[L776-1, P0FINAL]don't care, 179#[L776-1, P0EXIT]don't care, 185#[L777, P0EXIT]don't care, 188#[L777-1, P0EXIT]don't care, 191#[L778, P0EXIT]don't care, 194#[L778-1, P1ENTRY, P0EXIT]don't care, 197#[P1ENTRY, L779, P0EXIT]don't care, 203#[L739, L779, P0EXIT]don't care, 209#[L741, L779, P0EXIT]don't care, 215#[L746, L779, P0EXIT]don't care, 221#[P1FINAL, L779, P0EXIT]don't care, 227#[P1EXIT, L779, P0EXIT]don't care, 233#[P1EXIT, L779-1, P0EXIT]don't care, 236#[P1EXIT, L780, P0EXIT]don't care, 239#[P2ENTRY, P1EXIT, L780-1, P0EXIT]don't care, 244#[P2ENTRY, P1EXIT, L781, P0EXIT]don't care, 248#[P2ENTRY, L783, P1EXIT, P0EXIT]don't care, 254#[L783, P1EXIT, P0EXIT, L751]don't care, 262#[L753, L783, P1EXIT, P0EXIT]don't care, 266#[L756, L783, P1EXIT, P0EXIT]don't care, 272#[L761, L783, P1EXIT, P0EXIT]don't care, 278#[L783, P1EXIT, P0EXIT, P2FINAL]don't care, 286#[P2EXIT, L783, P1EXIT, P0EXIT]don't care, 290#[P2EXIT, L784, P1EXIT, P0EXIT]don't care, 293#[P2EXIT, P1EXIT, L2, P0EXIT]don't care, 296#[P2EXIT, L3, P1EXIT, P0EXIT]don't care, 299#[P2EXIT, L3-1, P1EXIT, P0EXIT]don't care, 301#[P2EXIT, L2-1, P1EXIT, P0EXIT]don't care, 306#[P2EXIT, P1EXIT, L789, P0EXIT]don't care, 309#[P2EXIT, P1EXIT, L790, P0EXIT]don't care, 312#[P2EXIT, P1EXIT, L18, P0EXIT]don't care, 315#[P2EXIT, L18-1, P1EXIT, P0EXIT]don't care, 320#[P2EXIT, L18-2, P1EXIT, P0EXIT]don't care, 324#[P2EXIT, P1EXIT, L17-5, P0EXIT]don't care, 329#[P2EXIT, L17-7, P1EXIT, P0EXIT]don't care, 363#[P2EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT]don't care] [2020-12-18 08:50:03,801 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 08:50:03,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 08:50:03,809 INFO L82 PathProgramCache]: Analyzing trace with hash 741477497, now seen corresponding path program 1 times [2020-12-18 08:50:03,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 08:50:03,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379311361] [2020-12-18 08:50:03,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 08:50:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 08:50:04,216 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 08:50:04,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379311361] [2020-12-18 08:50:04,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 08:50:04,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 08:50:04,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229598685] [2020-12-18 08:50:04,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 08:50:04,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 08:50:04,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 08:50:04,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 08:50:04,254 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 08:50:04,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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: 58 and size of Sequence is : 59[2020-12-18 08:50:04,284 INFO L131 SleepSetCegar]: Size of mCounterexample is: 59 [2020-12-18 08:50:04,286 INFO L132 SleepSetCegar]: [45055#[ULTIMATE.startENTRY]true, 45057#[L-1]true, 45059#[L-1-1]true, 45061#[L17]true, 45063#[L17-1]true, 45065#[L17-2]true, 45067#[L17-3]true, 45069#[L17-4]true, 45071#[L711]true, 45073#[L713]true, 45075#[L714]true, 45077#[L715]true, 45079#[L717]true, 45081#[L719]true, 45083#[L-1-2]true, 45085#[L-1-3]true, 45087#[L775]true, 45089#[L775-1]true, 45091#[L776]true, 45093#[L776-1, P0ENTRY]true, 45095#[L776-1, L722]true, 45099#[L776-1, L724]true, 45103#[L729, L776-1]true, 45107#[L776-1, L734]true, 45111#[L776-1, P0FINAL]true, 45115#[L776-1, P0EXIT]true, 45119#[L777, P0EXIT]true, 45121#[L777-1, P0EXIT]true, 45123#[L778, P0EXIT]true, 45125#[L778-1, P1ENTRY, P0EXIT]true, 45127#[P1ENTRY, L779, P0EXIT]true, 45132#[L739, L779, P0EXIT]true, 45136#[L741, L779, P0EXIT]true, 45140#[L746, L779, P0EXIT]true, 45144#[P1FINAL, L779, P0EXIT]true, 45148#[P1EXIT, L779, P0EXIT]true, 45151#[P1EXIT, L779-1, P0EXIT]true, 45153#[P1EXIT, L780, P0EXIT]true, 45155#[P2ENTRY, P1EXIT, L780-1, P0EXIT]true, 45157#[P2ENTRY, P1EXIT, L781, P0EXIT]true, 45161#[P2ENTRY, L783, P1EXIT, P0EXIT]true, 45166#[L783, P1EXIT, P0EXIT, L751]true, 45169#[L753, L783, P1EXIT, P0EXIT]true, 45173#[L756, L783, P1EXIT, P0EXIT]true, 45177#[L761, L783, P1EXIT, P0EXIT]true, 45181#[L783, P1EXIT, P0EXIT, P2FINAL]true, 45185#[P2EXIT, L783, P1EXIT, P0EXIT]true, 45189#[P2EXIT, L784, P1EXIT, P0EXIT]true, 45191#[P2EXIT, P1EXIT, L2, P0EXIT]true, 45193#[P2EXIT, L3, P1EXIT, P0EXIT]true, 45196#[P2EXIT, L2-1, P1EXIT, P0EXIT]true, 45262#[P2EXIT, P1EXIT, L789, P0EXIT]true, 45264#[P2EXIT, P1EXIT, L790, P0EXIT]true, 45266#[P2EXIT, P1EXIT, L18, P0EXIT]true, 45268#[P2EXIT, L18-1, P1EXIT, P0EXIT]true, 45270#[P2EXIT, L18-2, P1EXIT, P0EXIT]true, 45274#[P2EXIT, P1EXIT, L17-5, P0EXIT]true, 45276#[P2EXIT, L17-7, P1EXIT, P0EXIT]true, 45289#[P2EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT, P0EXIT]true] [2020-12-18 08:50:04,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 08:50:04,286 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 08:50:04,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 08:50:04,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1789340776, now seen corresponding path program 1 times [2020-12-18 08:50:04,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 08:50:04,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065186242] [2020-12-18 08:50:04,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 08:50:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 08:50:04,559 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 08:50:04,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065186242] [2020-12-18 08:50:04,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 08:50:04,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 08:50:04,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566227514] [2020-12-18 08:50:04,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 08:50:04,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 08:50:04,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 08:50:04,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 08:50:04,564 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 08:50:04,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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 08:50:04,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 08:50:04,712 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@1faa33f4 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:129) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-18 08:50:04,726 INFO L168 Benchmark]: Toolchain (without parser) took 4912.68 ms. Allocated memory was 314.6 MB in the beginning and 377.5 MB in the end (delta: 62.9 MB). Free memory was 287.8 MB in the beginning and 264.5 MB in the end (delta: 23.3 MB). Peak memory consumption was 88.8 MB. Max. memory is 16.0 GB. [2020-12-18 08:50:04,727 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 314.6 MB. Free memory is still 282.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 08:50:04,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.42 ms. Allocated memory is still 314.6 MB. Free memory was 287.5 MB in the beginning and 290.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.0 GB. [2020-12-18 08:50:04,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.24 ms. Allocated memory is still 314.6 MB. Free memory was 290.1 MB in the beginning and 288.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 08:50:04,733 INFO L168 Benchmark]: Boogie Preprocessor took 26.90 ms. Allocated memory is still 314.6 MB. Free memory was 288.0 MB in the beginning and 286.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 08:50:04,734 INFO L168 Benchmark]: RCFGBuilder took 729.64 ms. Allocated memory is still 314.6 MB. Free memory was 286.9 MB in the beginning and 262.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-12-18 08:50:04,735 INFO L168 Benchmark]: TraceAbstraction took 3300.70 ms. Allocated memory was 314.6 MB in the beginning and 377.5 MB in the end (delta: 62.9 MB). Free memory was 262.8 MB in the beginning and 264.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 62.3 MB. Max. memory is 16.0 GB. [2020-12-18 08:50:04,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 314.6 MB. Free memory is still 282.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 770.42 ms. Allocated memory is still 314.6 MB. Free memory was 287.5 MB in the beginning and 290.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 72.24 ms. Allocated memory is still 314.6 MB. Free memory was 290.1 MB in the beginning and 288.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.90 ms. Allocated memory is still 314.6 MB. Free memory was 288.0 MB in the beginning and 286.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 729.64 ms. Allocated memory is still 314.6 MB. Free memory was 286.9 MB in the beginning and 262.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3300.70 ms. Allocated memory was 314.6 MB in the beginning and 377.5 MB in the end (delta: 62.9 MB). Free memory was 262.8 MB in the beginning and 264.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 62.3 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@1faa33f4 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@1faa33f4: 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...