/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:46:37,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:46:37,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:46:37,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:46:37,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:46:37,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:46:37,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:46:37,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:46:37,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:46:37,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:46:37,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:46:37,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:46:37,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:46:37,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:46:37,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:46:37,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:46:37,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:46:37,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:46:37,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:46:37,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:46:37,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:46:37,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:46:37,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:46:37,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:46:37,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 18:46:37,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 18:46:37,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 18:46:37,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 18:46:37,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 18:46:37,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 18:46:37,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:46:37,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:46:37,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:46:37,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:46:37,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:46:37,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:46:37,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:46:37,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:46:37,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:46:37,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:46:37,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:46:37,449 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-FA-SemanticLbe-MCR.epf [2019-12-27 18:46:37,472 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:46:37,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:46:37,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:46:37,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:46:37,475 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:46:37,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:46:37,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:46:37,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:46:37,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:46:37,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:46:37,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:46:37,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:46:37,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:46:37,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:46:37,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:46:37,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:46:37,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:46:37,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:46:37,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:46:37,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:46:37,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:46:37,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:46:37,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:46:37,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:46:37,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:46:37,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:46:37,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:46:37,481 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:46:37,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:46:37,481 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:46:37,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:46:37,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:46:37,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:46:37,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:46:37,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:46:37,766 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:46:37,767 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2019-12-27 18:46:37,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d471f5025/3cc6810a914947bcbb041433c0956fdf/FLAG2138a2b2e [2019-12-27 18:46:38,347 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:46:38,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2019-12-27 18:46:38,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d471f5025/3cc6810a914947bcbb041433c0956fdf/FLAG2138a2b2e [2019-12-27 18:46:38,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d471f5025/3cc6810a914947bcbb041433c0956fdf [2019-12-27 18:46:38,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:46:38,626 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:46:38,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:46:38,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:46:38,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:46:38,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:46:38" (1/1) ... [2019-12-27 18:46:38,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d5d827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:38, skipping insertion in model container [2019-12-27 18:46:38,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:46:38" (1/1) ... [2019-12-27 18:46:38,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:46:38,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:46:39,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:46:39,149 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:46:39,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:46:39,283 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:46:39,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39 WrapperNode [2019-12-27 18:46:39,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:46:39,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:46:39,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:46:39,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:46:39,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (1/1) ... [2019-12-27 18:46:39,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (1/1) ... [2019-12-27 18:46:39,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:46:39,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:46:39,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:46:39,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:46:39,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (1/1) ... [2019-12-27 18:46:39,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (1/1) ... [2019-12-27 18:46:39,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (1/1) ... [2019-12-27 18:46:39,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (1/1) ... [2019-12-27 18:46:39,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (1/1) ... [2019-12-27 18:46:39,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (1/1) ... [2019-12-27 18:46:39,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (1/1) ... [2019-12-27 18:46:39,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:46:39,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:46:39,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:46:39,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:46:39,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (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 [2019-12-27 18:46:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:46:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 18:46:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:46:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:46:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 18:46:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 18:46:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 18:46:39,413 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 18:46:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 18:46:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:46:39,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:46:39,415 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 18:46:39,759 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:46:39,760 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 18:46:39,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:46:39 BoogieIcfgContainer [2019-12-27 18:46:39,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:46:39,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:46:39,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:46:39,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:46:39,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:46:38" (1/3) ... [2019-12-27 18:46:39,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639e2706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:46:39, skipping insertion in model container [2019-12-27 18:46:39,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:46:39" (2/3) ... [2019-12-27 18:46:39,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639e2706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:46:39, skipping insertion in model container [2019-12-27 18:46:39,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:46:39" (3/3) ... [2019-12-27 18:46:39,772 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt.i [2019-12-27 18:46:39,784 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:46:39,784 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:46:39,796 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 18:46:39,797 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:46:39,823 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,825 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,825 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,825 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,826 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,826 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,827 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,827 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,827 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,827 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,828 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,828 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,834 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,834 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,835 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,835 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,853 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,853 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,853 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,854 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:46:39,873 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 18:46:39,891 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:46:39,891 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:46:39,892 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:46:39,892 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:46:39,892 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:46:39,892 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:46:39,892 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:46:39,893 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:46:39,906 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 41 transitions [2019-12-27 18:46:39,908 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions [2019-12-27 18:46:39,946 INFO L132 PetriNetUnfolder]: 1/39 cut-off events. [2019-12-27 18:46:39,947 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:46:39,954 INFO L76 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 39 events. 1/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/37 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 18:46:39,957 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions [2019-12-27 18:46:39,975 INFO L132 PetriNetUnfolder]: 1/39 cut-off events. [2019-12-27 18:46:39,976 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:46:39,979 INFO L76 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 39 events. 1/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/37 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 18:46:39,981 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-27 18:46:39,982 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:46:41,371 INFO L206 etLargeBlockEncoding]: Checked pairs total: 240 [2019-12-27 18:46:41,372 INFO L214 etLargeBlockEncoding]: Total number of compositions: 38 [2019-12-27 18:46:41,376 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-27 18:46:41,386 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-27 18:46:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-27 18:46:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-27 18:46:41,398 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:46:41,399 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-27 18:46:41,399 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:46:41,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:46:41,406 INFO L82 PathProgramCache]: Analyzing trace with hash 154345442, now seen corresponding path program 1 times [2019-12-27 18:46:41,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:46:41,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247679365] [2019-12-27 18:46:41,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:46:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:46:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:46:41,641 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247679365] [2019-12-27 18:46:41,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:46:41,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:46:41,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [25250143] [2019-12-27 18:46:41,646 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:46:41,652 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:46:41,667 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 6 states and 5 transitions. [2019-12-27 18:46:41,667 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:46:41,672 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:46:41,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:46:41,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:46:41,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:46:41,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:46:41,691 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-27 18:46:41,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:46:41,714 INFO L93 Difference]: Finished difference Result 21 states and 33 transitions. [2019-12-27 18:46:41,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:46:41,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-27 18:46:41,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:46:41,742 INFO L225 Difference]: With dead ends: 21 [2019-12-27 18:46:41,742 INFO L226 Difference]: Without dead ends: 13 [2019-12-27 18:46:41,747 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:46:41,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-27 18:46:41,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-27 18:46:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-27 18:46:41,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-12-27 18:46:41,791 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 5 [2019-12-27 18:46:41,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:46:41,791 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-27 18:46:41,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:46:41,793 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2019-12-27 18:46:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 18:46:41,793 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:46:41,794 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 18:46:41,794 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:46:41,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:46:41,794 INFO L82 PathProgramCache]: Analyzing trace with hash 489765407, now seen corresponding path program 1 times [2019-12-27 18:46:41,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:46:41,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925181149] [2019-12-27 18:46:41,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:46:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:46:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:46:41,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925181149] [2019-12-27 18:46:41,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:46:41,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:46:41,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1237719113] [2019-12-27 18:46:41,870 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:46:41,871 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:46:41,873 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 9 states and 10 transitions. [2019-12-27 18:46:41,873 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:46:41,908 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 18:46:41,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:46:41,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:46:41,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:46:41,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:46:41,911 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. Second operand 4 states. [2019-12-27 18:46:41,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:46:41,930 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2019-12-27 18:46:41,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:46:41,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-27 18:46:41,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:46:41,931 INFO L225 Difference]: With dead ends: 14 [2019-12-27 18:46:41,931 INFO L226 Difference]: Without dead ends: 13 [2019-12-27 18:46:41,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:46:41,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-27 18:46:41,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-12-27 18:46:41,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-27 18:46:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-12-27 18:46:41,935 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 6 [2019-12-27 18:46:41,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:46:41,936 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-12-27 18:46:41,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:46:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-12-27 18:46:41,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 18:46:41,937 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:46:41,937 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 18:46:41,937 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:46:41,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:46:41,937 INFO L82 PathProgramCache]: Analyzing trace with hash 489741134, now seen corresponding path program 1 times [2019-12-27 18:46:41,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:46:41,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089874165] [2019-12-27 18:46:41,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:46:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:46:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:46:42,010 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089874165] [2019-12-27 18:46:42,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:46:42,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:46:42,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2105287657] [2019-12-27 18:46:42,011 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:46:42,012 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:46:42,013 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 7 states and 6 transitions. [2019-12-27 18:46:42,013 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:46:42,014 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:46:42,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:46:42,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:46:42,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:46:42,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:46:42,015 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2019-12-27 18:46:42,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:46:42,035 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-12-27 18:46:42,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:46:42,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 18:46:42,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:46:42,036 INFO L225 Difference]: With dead ends: 10 [2019-12-27 18:46:42,036 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 18:46:42,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:46:42,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 18:46:42,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 18:46:42,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 18:46:42,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 18:46:42,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-12-27 18:46:42,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:46:42,038 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 18:46:42,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:46:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 18:46:42,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 18:46:42,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:46:42 BasicIcfg [2019-12-27 18:46:42,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:46:42,048 INFO L168 Benchmark]: Toolchain (without parser) took 3421.59 ms. Allocated memory was 138.4 MB in the beginning and 245.9 MB in the end (delta: 107.5 MB). Free memory was 101.8 MB in the beginning and 189.3 MB in the end (delta: -87.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-12-27 18:46:42,049 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-27 18:46:42,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.40 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.5 MB in the beginning and 160.2 MB in the end (delta: -58.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-12-27 18:46:42,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.44 ms. Allocated memory is still 202.9 MB. Free memory was 160.2 MB in the beginning and 158.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 18:46:42,052 INFO L168 Benchmark]: Boogie Preprocessor took 24.39 ms. Allocated memory is still 202.9 MB. Free memory was 158.2 MB in the beginning and 156.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 18:46:42,054 INFO L168 Benchmark]: RCFGBuilder took 404.00 ms. Allocated memory is still 202.9 MB. Free memory was 156.9 MB in the beginning and 138.3 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-12-27 18:46:42,055 INFO L168 Benchmark]: TraceAbstraction took 2283.06 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 138.3 MB in the beginning and 189.3 MB in the end (delta: -51.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 18:46:42,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.40 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.5 MB in the beginning and 160.2 MB in the end (delta: -58.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.44 ms. Allocated memory is still 202.9 MB. Free memory was 160.2 MB in the beginning and 158.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.39 ms. Allocated memory is still 202.9 MB. Free memory was 158.2 MB in the beginning and 156.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 404.00 ms. Allocated memory is still 202.9 MB. Free memory was 156.9 MB in the beginning and 138.3 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2283.06 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 138.3 MB in the beginning and 189.3 MB in the end (delta: -51.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 47 ProgramPointsBefore, 15 ProgramPointsAfterwards, 41 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 119 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 6 SemBasedMoverChecksPositive, 12 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 240 CheckedPairsTotal, 38 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 41 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 4 SDslu, 11 SDs, 0 SdLazy, 16 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...