/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin000_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:34:08,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:34:08,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:34:08,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:34:08,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:34:08,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:34:08,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:34:08,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:34:08,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:34:08,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:34:08,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:34:08,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:34:08,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:34:08,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:34:08,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:34:08,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:34:08,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:34:08,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:34:08,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:34:08,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:34:08,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:34:08,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:34:08,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:34:08,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:34:08,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 05:34:08,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:34:08,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:34:08,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:34:08,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:34:08,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:34:08,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:34:08,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:34:08,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:34:08,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:34:08,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:34:08,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:34:08,619 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.epf [2019-12-19 05:34:08,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:34:08,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:34:08,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:34:08,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:34:08,658 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:34:08,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:34:08,658 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:34:08,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:34:08,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:34:08,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:34:08,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:34:08,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:34:08,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:34:08,662 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:34:08,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:34:08,662 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:34:08,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:34:08,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:34:08,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:34:08,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:34:08,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:34:08,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:34:08,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:34:08,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:34:08,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:34:08,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:34:08,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:34:08,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:34:08,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:34:08,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:34:08,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:34:08,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:34:08,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:34:08,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:34:08,984 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:34:08,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_tso.oepc.i [2019-12-19 05:34:09,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8e460fb/fdd52d05a42946c6a6a32a9e4497eb7f/FLAG7bd6a4bf6 [2019-12-19 05:34:09,567 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:34:09,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin000_tso.oepc.i [2019-12-19 05:34:09,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8e460fb/fdd52d05a42946c6a6a32a9e4497eb7f/FLAG7bd6a4bf6 [2019-12-19 05:34:09,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8e460fb/fdd52d05a42946c6a6a32a9e4497eb7f [2019-12-19 05:34:09,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:34:09,873 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:34:09,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:34:09,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:34:09,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:34:09,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:34:09" (1/1) ... [2019-12-19 05:34:09,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749fc15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:09, skipping insertion in model container [2019-12-19 05:34:09,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:34:09" (1/1) ... [2019-12-19 05:34:09,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:34:09,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:34:10,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:34:10,395 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:34:10,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:34:10,529 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:34:10,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10 WrapperNode [2019-12-19 05:34:10,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:34:10,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:34:10,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:34:10,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:34:10,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (1/1) ... [2019-12-19 05:34:10,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (1/1) ... [2019-12-19 05:34:10,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:34:10,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:34:10,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:34:10,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:34:10,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (1/1) ... [2019-12-19 05:34:10,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (1/1) ... [2019-12-19 05:34:10,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (1/1) ... [2019-12-19 05:34:10,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (1/1) ... [2019-12-19 05:34:10,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (1/1) ... [2019-12-19 05:34:10,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (1/1) ... [2019-12-19 05:34:10,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (1/1) ... [2019-12-19 05:34:10,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:34:10,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:34:10,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:34:10,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:34:10,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (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 [2019-12-19 05:34:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:34:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 05:34:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:34:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:34:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 05:34:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 05:34:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 05:34:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 05:34:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 05:34:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:34:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:34:10,659 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:34:10,985 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:34:10,986 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-19 05:34:10,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:34:10 BoogieIcfgContainer [2019-12-19 05:34:10,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:34:10,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:34:10,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:34:10,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:34:10,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:34:09" (1/3) ... [2019-12-19 05:34:10,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e31c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:34:10, skipping insertion in model container [2019-12-19 05:34:10,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:34:10" (2/3) ... [2019-12-19 05:34:10,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e31c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:34:10, skipping insertion in model container [2019-12-19 05:34:10,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:34:10" (3/3) ... [2019-12-19 05:34:10,998 INFO L109 eAbstractionObserver]: Analyzing ICFG thin000_tso.oepc.i [2019-12-19 05:34:11,006 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:34:11,007 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:34:11,014 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-19 05:34:11,015 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:34:11,039 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,040 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,040 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,041 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,041 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,041 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,045 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,046 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,046 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,046 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,046 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,047 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,051 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,051 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,052 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,052 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,058 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,058 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,058 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,059 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:34:11,073 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-19 05:34:11,089 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:34:11,089 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:34:11,089 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:34:11,090 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:34:11,090 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:34:11,090 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:34:11,090 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:34:11,090 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:34:11,101 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 43 transitions [2019-12-19 05:34:11,128 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 287 states. [2019-12-19 05:34:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2019-12-19 05:34:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-19 05:34:11,140 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:34:11,141 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] [2019-12-19 05:34:11,142 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:34:11,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:34:11,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1269148698, now seen corresponding path program 1 times [2019-12-19 05:34:11,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:34:11,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737568896] [2019-12-19 05:34:11,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:34:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:34:11,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:34:11,532 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737568896] [2019-12-19 05:34:11,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:34:11,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:34:11,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323079373] [2019-12-19 05:34:11,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:34:11,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:34:11,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:34:11,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:34:11,551 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 4 states. [2019-12-19 05:34:11,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:34:11,638 INFO L93 Difference]: Finished difference Result 288 states and 647 transitions. [2019-12-19 05:34:11,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 05:34:11,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-19 05:34:11,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:34:11,655 INFO L225 Difference]: With dead ends: 288 [2019-12-19 05:34:11,655 INFO L226 Difference]: Without dead ends: 152 [2019-12-19 05:34:11,657 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 [2019-12-19 05:34:11,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-12-19 05:34:11,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-12-19 05:34:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-19 05:34:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 326 transitions. [2019-12-19 05:34:11,715 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 326 transitions. Word has length 26 [2019-12-19 05:34:11,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:34:11,716 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 326 transitions. [2019-12-19 05:34:11,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:34:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 326 transitions. [2019-12-19 05:34:11,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-19 05:34:11,718 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:34:11,718 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] [2019-12-19 05:34:11,719 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:34:11,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:34:11,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1093149970, now seen corresponding path program 1 times [2019-12-19 05:34:11,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:34:11,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201622473] [2019-12-19 05:34:11,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:34:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:34:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:34:11,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201622473] [2019-12-19 05:34:11,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:34:11,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:34:11,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965614070] [2019-12-19 05:34:11,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:34:11,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:34:11,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:34:11,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:34:11,915 INFO L87 Difference]: Start difference. First operand 152 states and 326 transitions. Second operand 5 states. [2019-12-19 05:34:11,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:34:11,980 INFO L93 Difference]: Finished difference Result 125 states and 242 transitions. [2019-12-19 05:34:11,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-19 05:34:11,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-19 05:34:11,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:34:11,982 INFO L225 Difference]: With dead ends: 125 [2019-12-19 05:34:11,983 INFO L226 Difference]: Without dead ends: 110 [2019-12-19 05:34:11,984 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 [2019-12-19 05:34:11,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-19 05:34:11,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-19 05:34:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-19 05:34:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 214 transitions. [2019-12-19 05:34:11,996 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 214 transitions. Word has length 27 [2019-12-19 05:34:11,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:34:11,996 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 214 transitions. [2019-12-19 05:34:11,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:34:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2019-12-19 05:34:11,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-19 05:34:11,998 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:34:11,998 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] [2019-12-19 05:34:11,999 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:34:11,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:34:11,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1001307011, now seen corresponding path program 1 times [2019-12-19 05:34:12,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:34:12,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183836683] [2019-12-19 05:34:12,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:34:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:34:12,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:34:12,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183836683] [2019-12-19 05:34:12,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:34:12,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:34:12,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933954558] [2019-12-19 05:34:12,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:34:12,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:34:12,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:34:12,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:34:12,195 INFO L87 Difference]: Start difference. First operand 110 states and 214 transitions. Second operand 7 states. [2019-12-19 05:34:12,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:34:12,332 INFO L93 Difference]: Finished difference Result 164 states and 331 transitions. [2019-12-19 05:34:12,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 05:34:12,332 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-12-19 05:34:12,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:34:12,333 INFO L225 Difference]: With dead ends: 164 [2019-12-19 05:34:12,334 INFO L226 Difference]: Without dead ends: 95 [2019-12-19 05:34:12,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-19 05:34:12,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-12-19 05:34:12,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-12-19 05:34:12,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-19 05:34:12,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 184 transitions. [2019-12-19 05:34:12,344 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 184 transitions. Word has length 28 [2019-12-19 05:34:12,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:34:12,344 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 184 transitions. [2019-12-19 05:34:12,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:34:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 184 transitions. [2019-12-19 05:34:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-19 05:34:12,346 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:34:12,346 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] [2019-12-19 05:34:12,346 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:34:12,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:34:12,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1059552791, now seen corresponding path program 2 times [2019-12-19 05:34:12,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:34:12,347 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875821501] [2019-12-19 05:34:12,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:34:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:34:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:34:12,511 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875821501] [2019-12-19 05:34:12,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:34:12,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-19 05:34:12,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097170553] [2019-12-19 05:34:12,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-19 05:34:12,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:34:12,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-19 05:34:12,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:34:12,513 INFO L87 Difference]: Start difference. First operand 95 states and 184 transitions. Second operand 8 states. [2019-12-19 05:34:12,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:34:12,618 INFO L93 Difference]: Finished difference Result 77 states and 142 transitions. [2019-12-19 05:34:12,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:34:12,619 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-12-19 05:34:12,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:34:12,619 INFO L225 Difference]: With dead ends: 77 [2019-12-19 05:34:12,619 INFO L226 Difference]: Without dead ends: 0 [2019-12-19 05:34:12,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-19 05:34:12,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-19 05:34:12,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-19 05:34:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-19 05:34:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-19 05:34:12,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-12-19 05:34:12,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:34:12,622 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-19 05:34:12,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-19 05:34:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-19 05:34:12,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-19 05:34:12,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:34:12 BasicIcfg [2019-12-19 05:34:12,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:34:12,633 INFO L168 Benchmark]: Toolchain (without parser) took 2759.05 ms. Allocated memory was 145.2 MB in the beginning and 235.4 MB in the end (delta: 90.2 MB). Free memory was 100.0 MB in the beginning and 136.6 MB in the end (delta: -36.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. [2019-12-19 05:34:12,635 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-19 05:34:12,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.11 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 99.6 MB in the beginning and 158.3 MB in the end (delta: -58.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-12-19 05:34:12,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.58 ms. Allocated memory is still 201.9 MB. Free memory was 158.3 MB in the beginning and 156.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-19 05:34:12,640 INFO L168 Benchmark]: Boogie Preprocessor took 23.80 ms. Allocated memory is still 201.9 MB. Free memory was 156.4 MB in the beginning and 154.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-19 05:34:12,646 INFO L168 Benchmark]: RCFGBuilder took 390.00 ms. Allocated memory is still 201.9 MB. Free memory was 154.5 MB in the beginning and 136.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2019-12-19 05:34:12,648 INFO L168 Benchmark]: TraceAbstraction took 1639.65 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 135.9 MB in the beginning and 136.6 MB in the end (delta: -713.5 kB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-12-19 05:34:12,658 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.11 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 99.6 MB in the beginning and 158.3 MB in the end (delta: -58.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.58 ms. Allocated memory is still 201.9 MB. Free memory was 158.3 MB in the beginning and 156.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.80 ms. Allocated memory is still 201.9 MB. Free memory was 156.4 MB in the beginning and 154.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 390.00 ms. Allocated memory is still 201.9 MB. Free memory was 154.5 MB in the beginning and 136.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1639.65 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 135.9 MB in the beginning and 136.6 MB in the end (delta: -713.5 kB). Peak memory consumption was 32.8 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 3 procedures, 43 locations, 1 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 144 SDtfs, 154 SDslu, 353 SDs, 0 SdLazy, 60 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 8463 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...