/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-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:22:36,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:22:36,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:22:36,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:22:36,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:22:36,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:22:36,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:22:36,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:22:36,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:22:36,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:22:36,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:22:36,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:22:36,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:22:36,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:22:36,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:22:36,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:22:36,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:22:36,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:22:36,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:22:36,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:22:36,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:22:36,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:22:36,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:22:36,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:22:36,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 04:22:36,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:22:36,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:22:36,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:22:36,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:22:36,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:22:36,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:22:36,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:22:36,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:22:36,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:22:36,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:22:36,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:22:36,598 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-NoLbe-MCR.epf [2019-12-28 04:22:36,618 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:22:36,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:22:36,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:22:36,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:22:36,624 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:22:36,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:22:36,625 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:22:36,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:22:36,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:22:36,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:22:36,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:22:36,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:22:36,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:22:36,627 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:22:36,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:22:36,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:22:36,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:22:36,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:22:36,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:22:36,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:22:36,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:22:36,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:22:36,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:22:36,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:22:36,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:22:36,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:22:36,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:22:36,630 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:22:36,630 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:22:36,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:22:36,632 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:22:36,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:22:36,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:22:36,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:22:36,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:22:36,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:22:36,966 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:22:36,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.oepc.i [2019-12-28 04:22:37,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c87e1fc/07c99cee8a16436eb6f0ad5fb1914d7e/FLAGc51b92ca9 [2019-12-28 04:22:37,579 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:22:37,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.oepc.i [2019-12-28 04:22:37,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c87e1fc/07c99cee8a16436eb6f0ad5fb1914d7e/FLAGc51b92ca9 [2019-12-28 04:22:37,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c87e1fc/07c99cee8a16436eb6f0ad5fb1914d7e [2019-12-28 04:22:37,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:22:37,862 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:22:37,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:22:37,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:22:37,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:22:37,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:22:37" (1/1) ... [2019-12-28 04:22:37,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c507e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:37, skipping insertion in model container [2019-12-28 04:22:37,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:22:37" (1/1) ... [2019-12-28 04:22:37,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:22:37,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:22:38,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:22:38,397 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:22:38,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:22:38,546 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:22:38,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38 WrapperNode [2019-12-28 04:22:38,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:22:38,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:22:38,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:22:38,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:22:38,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (1/1) ... [2019-12-28 04:22:38,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (1/1) ... [2019-12-28 04:22:38,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:22:38,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:22:38,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:22:38,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:22:38,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (1/1) ... [2019-12-28 04:22:38,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (1/1) ... [2019-12-28 04:22:38,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (1/1) ... [2019-12-28 04:22:38,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (1/1) ... [2019-12-28 04:22:38,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (1/1) ... [2019-12-28 04:22:38,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (1/1) ... [2019-12-28 04:22:38,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (1/1) ... [2019-12-28 04:22:38,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:22:38,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:22:38,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:22:38,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:22:38,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (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 [2019-12-28 04:22:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:22:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:22:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:22:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:22:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:22:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:22:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:22:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:22:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:22:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:22:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:22:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:22:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:22:38,719 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 04:22:39,085 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:22:39,086 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:22:39,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:22:39 BoogieIcfgContainer [2019-12-28 04:22:39,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:22:39,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:22:39,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:22:39,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:22:39,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:22:37" (1/3) ... [2019-12-28 04:22:39,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d60d38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:22:39, skipping insertion in model container [2019-12-28 04:22:39,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:22:38" (2/3) ... [2019-12-28 04:22:39,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d60d38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:22:39, skipping insertion in model container [2019-12-28 04:22:39,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:22:39" (3/3) ... [2019-12-28 04:22:39,097 INFO L109 eAbstractionObserver]: Analyzing ICFG safe005_tso.oepc.i [2019-12-28 04:22:39,107 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:22:39,108 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:22:39,115 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:22:39,116 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:22:39,145 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,145 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,147 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,148 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,148 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,148 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,149 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,149 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,149 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,150 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,151 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,151 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,151 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,152 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,152 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,152 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,153 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,153 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,159 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,159 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,160 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,160 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,173 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,174 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,174 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,174 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,177 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,178 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,178 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,178 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:22:39,199 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:22:39,228 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:22:39,228 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:22:39,228 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:22:39,228 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:22:39,229 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:22:39,229 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:22:39,229 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:22:39,229 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:22:39,240 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 54 transitions [2019-12-28 04:22:39,322 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-12-28 04:22:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-12-28 04:22:39,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 04:22:39,342 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:22:39,343 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:22:39,344 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:22:39,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:22:39,351 INFO L82 PathProgramCache]: Analyzing trace with hash -2051529162, now seen corresponding path program 1 times [2019-12-28 04:22:39,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:22:39,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719095476] [2019-12-28 04:22:39,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:22:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:22:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:22:39,768 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719095476] [2019-12-28 04:22:39,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:22:39,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:22:39,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [134122085] [2019-12-28 04:22:39,772 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:22:39,783 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:22:39,814 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 31 transitions. [2019-12-28 04:22:39,815 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:22:39,821 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:22:39,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:22:39,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:22:39,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:22:39,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:22:39,842 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-12-28 04:22:39,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:22:39,988 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-12-28 04:22:39,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:22:39,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-28 04:22:39,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:22:40,013 INFO L225 Difference]: With dead ends: 1295 [2019-12-28 04:22:40,013 INFO L226 Difference]: Without dead ends: 601 [2019-12-28 04:22:40,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:22:40,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-12-28 04:22:40,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-12-28 04:22:40,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-12-28 04:22:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-12-28 04:22:40,132 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-12-28 04:22:40,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:22:40,133 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-12-28 04:22:40,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:22:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-12-28 04:22:40,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:22:40,136 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:22:40,137 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:22:40,137 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:22:40,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:22:40,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1995748591, now seen corresponding path program 1 times [2019-12-28 04:22:40,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:22:40,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691704096] [2019-12-28 04:22:40,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:22:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:22:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:22:40,352 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691704096] [2019-12-28 04:22:40,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:22:40,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:22:40,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1768305911] [2019-12-28 04:22:40,353 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:22:40,359 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:22:40,364 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 37 states and 40 transitions. [2019-12-28 04:22:40,364 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:22:40,366 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:22:40,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:22:40,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:22:40,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:22:40,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:22:40,377 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-12-28 04:22:40,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:22:40,463 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-12-28 04:22:40,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:22:40,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-28 04:22:40,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:22:40,470 INFO L225 Difference]: With dead ends: 601 [2019-12-28 04:22:40,470 INFO L226 Difference]: Without dead ends: 538 [2019-12-28 04:22:40,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:22:40,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-28 04:22:40,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-28 04:22:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-28 04:22:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-12-28 04:22:40,529 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-12-28 04:22:40,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:22:40,530 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-12-28 04:22:40,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:22:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-12-28 04:22:40,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:22:40,535 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:22:40,535 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:22:40,536 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:22:40,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:22:40,536 INFO L82 PathProgramCache]: Analyzing trace with hash -505047863, now seen corresponding path program 1 times [2019-12-28 04:22:40,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:22:40,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31417425] [2019-12-28 04:22:40,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:22:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:22:40,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:22:40,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31417425] [2019-12-28 04:22:40,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:22:40,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:22:40,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [254290944] [2019-12-28 04:22:40,666 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:22:40,670 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:22:40,675 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 41 transitions. [2019-12-28 04:22:40,675 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:22:40,676 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:22:40,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:22:40,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:22:40,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:22:40,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:22:40,678 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-12-28 04:22:40,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:22:40,787 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-12-28 04:22:40,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:22:40,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-28 04:22:40,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:22:40,792 INFO L225 Difference]: With dead ends: 403 [2019-12-28 04:22:40,792 INFO L226 Difference]: Without dead ends: 349 [2019-12-28 04:22:40,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:22:40,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-28 04:22:40,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-12-28 04:22:40,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-12-28 04:22:40,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-12-28 04:22:40,807 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-12-28 04:22:40,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:22:40,807 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-12-28 04:22:40,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:22:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-12-28 04:22:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:22:40,814 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:22:40,815 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:22:40,815 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:22:40,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:22:40,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1707713269, now seen corresponding path program 1 times [2019-12-28 04:22:40,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:22:40,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191790741] [2019-12-28 04:22:40,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:22:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:22:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:22:41,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191790741] [2019-12-28 04:22:41,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:22:41,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:22:41,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1351705071] [2019-12-28 04:22:41,049 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:22:41,057 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:22:41,065 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 39 states and 42 transitions. [2019-12-28 04:22:41,066 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:22:41,066 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:22:41,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:22:41,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:22:41,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:22:41,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:22:41,067 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 7 states. [2019-12-28 04:22:41,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:22:41,270 INFO L93 Difference]: Finished difference Result 304 states and 774 transitions. [2019-12-28 04:22:41,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:22:41,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-12-28 04:22:41,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:22:41,272 INFO L225 Difference]: With dead ends: 304 [2019-12-28 04:22:41,273 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:22:41,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-28 04:22:41,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:22:41,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:22:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:22:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:22:41,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-12-28 04:22:41,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:22:41,278 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:22:41,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:22:41,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:22:41,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:22:41,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:22:41 BasicIcfg [2019-12-28 04:22:41,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:22:41,290 INFO L168 Benchmark]: Toolchain (without parser) took 3426.68 ms. Allocated memory was 143.7 MB in the beginning and 231.7 MB in the end (delta: 88.1 MB). Free memory was 99.6 MB in the beginning and 73.6 MB in the end (delta: 26.0 MB). Peak memory consumption was 114.1 MB. Max. memory is 7.1 GB. [2019-12-28 04:22:41,292 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-28 04:22:41,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.02 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.4 MB in the beginning and 158.6 MB in the end (delta: -59.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-12-28 04:22:41,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.02 ms. Allocated memory is still 201.3 MB. Free memory was 158.6 MB in the beginning and 155.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-28 04:22:41,302 INFO L168 Benchmark]: Boogie Preprocessor took 28.35 ms. Allocated memory is still 201.3 MB. Free memory was 155.9 MB in the beginning and 154.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:22:41,303 INFO L168 Benchmark]: RCFGBuilder took 458.44 ms. Allocated memory is still 201.3 MB. Free memory was 154.5 MB in the beginning and 134.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:22:41,305 INFO L168 Benchmark]: TraceAbstraction took 2197.57 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 133.8 MB in the beginning and 73.6 MB in the end (delta: 60.2 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-12-28 04:22:41,316 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 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.02 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.4 MB in the beginning and 158.6 MB in the end (delta: -59.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.02 ms. Allocated memory is still 201.3 MB. Free memory was 158.6 MB in the beginning and 155.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.35 ms. Allocated memory is still 201.3 MB. Free memory was 155.9 MB in the beginning and 154.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 458.44 ms. Allocated memory is still 201.3 MB. Free memory was 154.5 MB in the beginning and 134.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2197.57 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 133.8 MB in the beginning and 73.6 MB in the end (delta: 60.2 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 178 SDtfs, 253 SDslu, 387 SDs, 0 SdLazy, 67 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 11508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...