/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-VariableLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 22:42:12,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 22:42:12,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 22:42:12,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 22:42:12,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 22:42:12,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 22:42:12,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 22:42:12,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 22:42:12,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 22:42:12,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 22:42:12,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 22:42:12,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 22:42:12,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 22:42:12,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 22:42:12,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 22:42:12,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 22:42:12,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 22:42:12,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 22:42:12,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 22:42:12,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 22:42:12,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 22:42:12,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 22:42:12,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 22:42:12,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 22:42:12,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 22:42:12,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 22:42:12,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 22:42:12,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 22:42:12,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 22:42:12,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 22:42:12,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 22:42:12,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 22:42:12,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 22:42:12,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 22:42:12,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 22:42:12,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 22:42:12,690 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-VariableLbe-MCR.epf [2019-12-27 22:42:12,706 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 22:42:12,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 22:42:12,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 22:42:12,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 22:42:12,708 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 22:42:12,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 22:42:12,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 22:42:12,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 22:42:12,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 22:42:12,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 22:42:12,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 22:42:12,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 22:42:12,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 22:42:12,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 22:42:12,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 22:42:12,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 22:42:12,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 22:42:12,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 22:42:12,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 22:42:12,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 22:42:12,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 22:42:12,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 22:42:12,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 22:42:12,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 22:42:12,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 22:42:12,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 22:42:12,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 22:42:12,712 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 22:42:12,712 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 22:42:12,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 22:42:12,713 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 22:42:12,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 22:42:12,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 22:42:12,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 22:42:13,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 22:42:13,002 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 22:42:13,004 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 22:42:13,005 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i [2019-12-27 22:42:13,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e35a04c/f136195289054270aebc3299b473119c/FLAG8c2bf3bd6 [2019-12-27 22:42:13,621 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 22:42:13,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i [2019-12-27 22:42:13,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e35a04c/f136195289054270aebc3299b473119c/FLAG8c2bf3bd6 [2019-12-27 22:42:13,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e35a04c/f136195289054270aebc3299b473119c [2019-12-27 22:42:13,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 22:42:13,893 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 22:42:13,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 22:42:13,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 22:42:13,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 22:42:13,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:42:13" (1/1) ... [2019-12-27 22:42:13,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614e4f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:13, skipping insertion in model container [2019-12-27 22:42:13,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:42:13" (1/1) ... [2019-12-27 22:42:13,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 22:42:13,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 22:42:14,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:42:14,409 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 22:42:14,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:42:14,565 INFO L208 MainTranslator]: Completed translation [2019-12-27 22:42:14,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14 WrapperNode [2019-12-27 22:42:14,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 22:42:14,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 22:42:14,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 22:42:14,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 22:42:14,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (1/1) ... [2019-12-27 22:42:14,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (1/1) ... [2019-12-27 22:42:14,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 22:42:14,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 22:42:14,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 22:42:14,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 22:42:14,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (1/1) ... [2019-12-27 22:42:14,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (1/1) ... [2019-12-27 22:42:14,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (1/1) ... [2019-12-27 22:42:14,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (1/1) ... [2019-12-27 22:42:14,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (1/1) ... [2019-12-27 22:42:14,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (1/1) ... [2019-12-27 22:42:14,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (1/1) ... [2019-12-27 22:42:14,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 22:42:14,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 22:42:14,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 22:42:14,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 22:42:14,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (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 22:42:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 22:42:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 22:42:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 22:42:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 22:42:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 22:42:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 22:42:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 22:42:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 22:42:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 22:42:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 22:42:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 22:42:14,702 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 22:42:15,045 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 22:42:15,045 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 22:42:15,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:42:15 BoogieIcfgContainer [2019-12-27 22:42:15,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 22:42:15,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 22:42:15,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 22:42:15,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 22:42:15,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 10:42:13" (1/3) ... [2019-12-27 22:42:15,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113ac8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:42:15, skipping insertion in model container [2019-12-27 22:42:15,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:42:14" (2/3) ... [2019-12-27 22:42:15,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113ac8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:42:15, skipping insertion in model container [2019-12-27 22:42:15,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:42:15" (3/3) ... [2019-12-27 22:42:15,056 INFO L109 eAbstractionObserver]: Analyzing ICFG safe022_tso.oepc.i [2019-12-27 22:42:15,066 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 22:42:15,066 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 22:42:15,074 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 22:42:15,075 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 22:42:15,100 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,100 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,101 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,101 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,101 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,102 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,102 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,103 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,103 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,103 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,103 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,104 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,108 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,108 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,108 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,109 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,117 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,117 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,117 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,118 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:42:15,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 22:42:15,145 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 22:42:15,145 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 22:42:15,145 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 22:42:15,146 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 22:42:15,146 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 22:42:15,146 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 22:42:15,146 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 22:42:15,146 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 22:42:15,156 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 43 transitions [2019-12-27 22:42:15,158 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-27 22:42:15,194 INFO L132 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-27 22:42:15,194 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:42:15,200 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/39 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 22:42:15,203 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-27 22:42:15,219 INFO L132 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-27 22:42:15,219 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:42:15,221 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/39 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 22:42:15,222 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-27 22:42:15,223 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 22:42:16,340 INFO L206 etLargeBlockEncoding]: Checked pairs total: 271 [2019-12-27 22:42:16,341 INFO L214 etLargeBlockEncoding]: Total number of compositions: 38 [2019-12-27 22:42:16,345 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-27 22:42:16,356 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-27 22:42:16,359 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-27 22:42:16,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 22:42:16,375 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:42:16,376 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 22:42:16,376 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:42:16,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:42:16,385 INFO L82 PathProgramCache]: Analyzing trace with hash 608072787, now seen corresponding path program 1 times [2019-12-27 22:42:16,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:42:16,398 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839430144] [2019-12-27 22:42:16,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:42:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:42:16,607 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 22:42:16,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839430144] [2019-12-27 22:42:16,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:42:16,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 22:42:16,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [207630374] [2019-12-27 22:42:16,611 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:42:16,616 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:42:16,629 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 7 states and 6 transitions. [2019-12-27 22:42:16,630 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:42:16,634 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:42:16,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:42:16,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:42:16,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:42:16,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:42:16,652 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-27 22:42:16,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:42:16,674 INFO L93 Difference]: Finished difference Result 20 states and 31 transitions. [2019-12-27 22:42:16,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:42:16,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 22:42:16,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:42:16,684 INFO L225 Difference]: With dead ends: 20 [2019-12-27 22:42:16,685 INFO L226 Difference]: Without dead ends: 16 [2019-12-27 22:42:16,686 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 22:42:16,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-27 22:42:16,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-27 22:42:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-27 22:42:16,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-12-27 22:42:16,720 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 23 transitions. Word has length 6 [2019-12-27 22:42:16,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:42:16,721 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-12-27 22:42:16,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:42:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2019-12-27 22:42:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 22:42:16,722 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:42:16,723 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:42:16,723 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:42:16,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:42:16,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1670386944, now seen corresponding path program 1 times [2019-12-27 22:42:16,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:42:16,724 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809451376] [2019-12-27 22:42:16,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:42:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:42:16,848 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 22:42:16,849 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809451376] [2019-12-27 22:42:16,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:42:16,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:42:16,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1398381116] [2019-12-27 22:42:16,850 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:42:16,851 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:42:16,853 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 22:42:16,854 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:42:16,854 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:42:16,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:42:16,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:42:16,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:42:16,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:42:16,857 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. Second operand 4 states. [2019-12-27 22:42:16,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:42:16,881 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-12-27 22:42:16,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 22:42:16,882 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-27 22:42:16,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:42:16,883 INFO L225 Difference]: With dead ends: 17 [2019-12-27 22:42:16,883 INFO L226 Difference]: Without dead ends: 13 [2019-12-27 22:42:16,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:42:16,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-27 22:42:16,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-27 22:42:16,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-27 22:42:16,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-12-27 22:42:16,887 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 7 [2019-12-27 22:42:16,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:42:16,888 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-27 22:42:16,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:42:16,888 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-12-27 22:42:16,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 22:42:16,889 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:42:16,889 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:42:16,889 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:42:16,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:42:16,890 INFO L82 PathProgramCache]: Analyzing trace with hash 179998362, now seen corresponding path program 1 times [2019-12-27 22:42:16,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:42:16,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232387266] [2019-12-27 22:42:16,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:42:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:42:16,968 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 22:42:16,968 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232387266] [2019-12-27 22:42:16,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:42:16,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 22:42:16,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1604620884] [2019-12-27 22:42:16,969 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:42:16,970 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:42:16,973 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 12 transitions. [2019-12-27 22:42:16,973 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:42:16,974 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:42:16,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:42:16,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:42:16,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:42:16,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:42:16,976 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 4 states. [2019-12-27 22:42:16,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:42:16,989 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2019-12-27 22:42:16,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 22:42:16,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-27 22:42:16,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:42:16,990 INFO L225 Difference]: With dead ends: 12 [2019-12-27 22:42:16,990 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 22:42:16,990 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:42:16,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 22:42:16,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 22:42:16,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 22:42:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 22:42:16,991 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-27 22:42:16,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:42:16,992 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 22:42:16,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:42:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 22:42:16,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 22:42:16,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 10:42:16 BasicIcfg [2019-12-27 22:42:16,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 22:42:16,999 INFO L168 Benchmark]: Toolchain (without parser) took 3105.21 ms. Allocated memory was 138.4 MB in the beginning and 249.0 MB in the end (delta: 110.6 MB). Free memory was 100.9 MB in the beginning and 213.5 MB in the end (delta: -112.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 22:42:17,000 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 22:42:17,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.01 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 161.1 MB in the end (delta: -60.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-12-27 22:42:17,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.59 ms. Allocated memory is still 203.4 MB. Free memory was 161.1 MB in the beginning and 159.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 22:42:17,003 INFO L168 Benchmark]: Boogie Preprocessor took 25.50 ms. Allocated memory is still 203.4 MB. Free memory was 159.1 MB in the beginning and 157.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 22:42:17,004 INFO L168 Benchmark]: RCFGBuilder took 404.77 ms. Allocated memory is still 203.4 MB. Free memory was 157.7 MB in the beginning and 139.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-12-27 22:42:17,005 INFO L168 Benchmark]: TraceAbstraction took 1948.08 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 139.1 MB in the beginning and 213.5 MB in the end (delta: -74.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 22:42:17,009 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.01 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 161.1 MB in the end (delta: -60.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.59 ms. Allocated memory is still 203.4 MB. Free memory was 161.1 MB in the beginning and 159.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.50 ms. Allocated memory is still 203.4 MB. Free memory was 159.1 MB in the beginning and 157.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 404.77 ms. Allocated memory is still 203.4 MB. Free memory was 157.7 MB in the beginning and 139.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1948.08 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 139.1 MB in the beginning and 213.5 MB in the end (delta: -74.4 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: 1.1s, 49 ProgramPointsBefore, 15 ProgramPointsAfterwards, 43 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 137 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 271 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, 43 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 12 SDslu, 19 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 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...