/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/safe009_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:28:24,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:28:24,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:28:24,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:28:24,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:28:24,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:28:24,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:28:24,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:28:24,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:28:24,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:28:24,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:28:24,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:28:24,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:28:24,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:28:24,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:28:24,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:28:24,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:28:24,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:28:24,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:28:24,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:28:24,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:28:24,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:28:24,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:28:24,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:28:24,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 04:28:24,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 04:28:24,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 04:28:24,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 04:28:24,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 04:28:24,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 04:28:24,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:28:24,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:28:24,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:28:24,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:28:24,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:28:24,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:28:24,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:28:24,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:28:24,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:28:24,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:28:24,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:28:24,085 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 04:28:24,102 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:28:24,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:28:24,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:28:24,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:28:24,104 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:28:24,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:28:24,104 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:28:24,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:28:24,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:28:24,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:28:24,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:28:24,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:28:24,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:28:24,105 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:28:24,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:28:24,106 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:28:24,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:28:24,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:28:24,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:28:24,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:28:24,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:28:24,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:28:24,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:28:24,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:28:24,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:28:24,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:28:24,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:28:24,108 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:28:24,108 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:28:24,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:28:24,109 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:28:24,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:28:24,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:28:24,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:28:24,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:28:24,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:28:24,403 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:28:24,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc.i [2019-12-28 04:28:24,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c34bf8c/fa0168a5459c40159d867e5f351d1142/FLAG1d2a10f82 [2019-12-28 04:28:24,986 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:28:24,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc.i [2019-12-28 04:28:25,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c34bf8c/fa0168a5459c40159d867e5f351d1142/FLAG1d2a10f82 [2019-12-28 04:28:25,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c34bf8c/fa0168a5459c40159d867e5f351d1142 [2019-12-28 04:28:25,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:28:25,341 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:28:25,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:28:25,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:28:25,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:28:25,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:28:25" (1/1) ... [2019-12-28 04:28:25,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e3448a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:25, skipping insertion in model container [2019-12-28 04:28:25,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:28:25" (1/1) ... [2019-12-28 04:28:25,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:28:25,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:28:25,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:28:25,872 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:28:25,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:28:26,005 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:28:26,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26 WrapperNode [2019-12-28 04:28:26,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:28:26,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:28:26,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:28:26,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:28:26,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (1/1) ... [2019-12-28 04:28:26,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (1/1) ... [2019-12-28 04:28:26,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:28:26,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:28:26,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:28:26,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:28:26,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (1/1) ... [2019-12-28 04:28:26,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (1/1) ... [2019-12-28 04:28:26,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (1/1) ... [2019-12-28 04:28:26,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (1/1) ... [2019-12-28 04:28:26,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (1/1) ... [2019-12-28 04:28:26,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (1/1) ... [2019-12-28 04:28:26,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (1/1) ... [2019-12-28 04:28:26,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:28:26,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:28:26,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:28:26,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:28:26,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (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 04:28:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:28:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:28:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:28:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:28:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:28:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:28:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:28:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:28:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:28:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:28:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:28:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:28:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:28:26,157 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 04:28:26,546 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:28:26,547 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:28:26,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:28:26 BoogieIcfgContainer [2019-12-28 04:28:26,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:28:26,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:28:26,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:28:26,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:28:26,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:28:25" (1/3) ... [2019-12-28 04:28:26,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6d5b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:28:26, skipping insertion in model container [2019-12-28 04:28:26,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:28:26" (2/3) ... [2019-12-28 04:28:26,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6d5b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:28:26, skipping insertion in model container [2019-12-28 04:28:26,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:28:26" (3/3) ... [2019-12-28 04:28:26,557 INFO L109 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc.i [2019-12-28 04:28:26,567 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:28:26,567 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:28:26,574 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:28:26,575 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:28:26,603 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,604 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,604 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,604 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,605 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,605 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,606 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,607 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,607 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,608 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,608 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,608 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,609 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,609 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,609 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,610 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,610 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,610 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,618 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,619 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,619 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,619 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,626 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,627 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,627 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,627 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,630 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,630 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,630 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,631 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:28:26,648 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:28:26,673 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:28:26,673 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:28:26,673 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:28:26,674 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:28:26,675 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:28:26,675 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:28:26,676 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:28:26,676 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:28:26,692 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 53 transitions [2019-12-28 04:28:26,781 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-12-28 04:28:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-12-28 04:28:26,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-28 04:28:26,800 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:28:26,801 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] [2019-12-28 04:28:26,802 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:28:26,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:28:26,808 INFO L82 PathProgramCache]: Analyzing trace with hash -2004494195, now seen corresponding path program 1 times [2019-12-28 04:28:26,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:28:26,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194434505] [2019-12-28 04:28:26,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:28:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:28:27,254 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 04:28:27,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194434505] [2019-12-28 04:28:27,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:28:27,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:28:27,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [750020289] [2019-12-28 04:28:27,260 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:28:27,270 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:28:27,302 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 31 states and 30 transitions. [2019-12-28 04:28:27,303 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:28:27,309 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:28:27,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:28:27,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:28:27,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:28:27,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:28:27,330 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-12-28 04:28:27,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:28:27,459 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-12-28 04:28:27,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:28:27,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-28 04:28:27,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:28:27,485 INFO L225 Difference]: With dead ends: 1294 [2019-12-28 04:28:27,485 INFO L226 Difference]: Without dead ends: 600 [2019-12-28 04:28:27,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:28:27,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-12-28 04:28:27,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-12-28 04:28:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-12-28 04:28:27,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-12-28 04:28:27,588 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-12-28 04:28:27,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:28:27,588 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-12-28 04:28:27,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:28:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-12-28 04:28:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 04:28:27,593 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:28:27,593 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 04:28:27,594 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:28:27,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:28:27,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1881606129, now seen corresponding path program 1 times [2019-12-28 04:28:27,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:28:27,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610419847] [2019-12-28 04:28:27,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:28:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:28:27,741 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 04:28:27,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610419847] [2019-12-28 04:28:27,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:28:27,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:28:27,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [307375643] [2019-12-28 04:28:27,742 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:28:27,746 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:28:27,749 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 31 transitions. [2019-12-28 04:28:27,750 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:28:27,750 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:28:27,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:28:27,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:28:27,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:28:27,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:28:27,753 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-12-28 04:28:27,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:28:27,839 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-12-28 04:28:27,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:28:27,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-28 04:28:27,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:28:27,845 INFO L225 Difference]: With dead ends: 600 [2019-12-28 04:28:27,845 INFO L226 Difference]: Without dead ends: 537 [2019-12-28 04:28:27,846 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 04:28:27,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-12-28 04:28:27,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-12-28 04:28:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-12-28 04:28:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-12-28 04:28:27,885 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-12-28 04:28:27,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:28:27,886 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-12-28 04:28:27,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:28:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-12-28 04:28:27,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:28:27,889 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:28:27,890 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 04:28:27,890 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:28:27,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:28:27,890 INFO L82 PathProgramCache]: Analyzing trace with hash 60996499, now seen corresponding path program 1 times [2019-12-28 04:28:27,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:28:27,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862743758] [2019-12-28 04:28:27,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:28:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:28:28,087 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 04:28:28,087 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862743758] [2019-12-28 04:28:28,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:28:28,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:28:28,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1668348083] [2019-12-28 04:28:28,089 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:28:28,094 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:28:28,098 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 33 states and 32 transitions. [2019-12-28 04:28:28,099 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:28:28,100 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:28:28,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:28:28,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:28:28,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:28:28,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:28:28,101 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-12-28 04:28:28,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:28:28,206 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-12-28 04:28:28,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:28:28,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-12-28 04:28:28,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:28:28,210 INFO L225 Difference]: With dead ends: 402 [2019-12-28 04:28:28,210 INFO L226 Difference]: Without dead ends: 348 [2019-12-28 04:28:28,210 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 04:28:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-12-28 04:28:28,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-12-28 04:28:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-12-28 04:28:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-12-28 04:28:28,232 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-12-28 04:28:28,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:28:28,233 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-12-28 04:28:28,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:28:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-12-28 04:28:28,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:28:28,238 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:28:28,238 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 04:28:28,238 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:28:28,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:28:28,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1085599532, now seen corresponding path program 1 times [2019-12-28 04:28:28,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:28:28,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874148813] [2019-12-28 04:28:28,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:28:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:28:28,432 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 04:28:28,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874148813] [2019-12-28 04:28:28,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:28:28,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:28:28,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2104326039] [2019-12-28 04:28:28,434 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:28:28,437 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:28:28,444 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 34 states and 33 transitions. [2019-12-28 04:28:28,444 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:28:28,444 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:28:28,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:28:28,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:28:28,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:28:28,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:28:28,446 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 6 states. [2019-12-28 04:28:28,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:28:28,581 INFO L93 Difference]: Finished difference Result 564 states and 1499 transitions. [2019-12-28 04:28:28,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:28:28,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-28 04:28:28,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:28:28,584 INFO L225 Difference]: With dead ends: 564 [2019-12-28 04:28:28,585 INFO L226 Difference]: Without dead ends: 393 [2019-12-28 04:28:28,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:28:28,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-12-28 04:28:28,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 339. [2019-12-28 04:28:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-12-28 04:28:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 887 transitions. [2019-12-28 04:28:28,602 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 887 transitions. Word has length 33 [2019-12-28 04:28:28,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:28:28,603 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 887 transitions. [2019-12-28 04:28:28,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:28:28,603 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 887 transitions. [2019-12-28 04:28:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:28:28,606 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:28:28,607 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 04:28:28,607 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:28:28,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:28:28,608 INFO L82 PathProgramCache]: Analyzing trace with hash -975260270, now seen corresponding path program 2 times [2019-12-28 04:28:28,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:28:28,609 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110724758] [2019-12-28 04:28:28,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:28:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:28:28,817 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 04:28:28,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110724758] [2019-12-28 04:28:28,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:28:28,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:28:28,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1400652485] [2019-12-28 04:28:28,819 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:28:28,822 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:28:28,827 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 34 states and 33 transitions. [2019-12-28 04:28:28,832 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:28:28,833 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:28:28,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:28:28,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:28:28,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:28:28,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:28:28,843 INFO L87 Difference]: Start difference. First operand 339 states and 887 transitions. Second operand 7 states. [2019-12-28 04:28:28,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:28:28,975 INFO L93 Difference]: Finished difference Result 510 states and 1367 transitions. [2019-12-28 04:28:28,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:28:28,976 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-28 04:28:28,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:28:28,980 INFO L225 Difference]: With dead ends: 510 [2019-12-28 04:28:28,980 INFO L226 Difference]: Without dead ends: 336 [2019-12-28 04:28:28,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-28 04:28:28,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-12-28 04:28:28,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2019-12-28 04:28:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-12-28 04:28:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 881 transitions. [2019-12-28 04:28:28,992 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 881 transitions. Word has length 33 [2019-12-28 04:28:28,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:28:28,993 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 881 transitions. [2019-12-28 04:28:28,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:28:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 881 transitions. [2019-12-28 04:28:28,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:28:28,994 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:28:28,994 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 04:28:28,995 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:28:28,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:28:28,995 INFO L82 PathProgramCache]: Analyzing trace with hash 2070748178, now seen corresponding path program 3 times [2019-12-28 04:28:28,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:28:28,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26931008] [2019-12-28 04:28:28,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:28:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:28:29,095 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 04:28:29,096 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26931008] [2019-12-28 04:28:29,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:28:29,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:28:29,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1319627786] [2019-12-28 04:28:29,097 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:28:29,100 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:28:29,106 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 46 states and 57 transitions. [2019-12-28 04:28:29,106 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:28:29,218 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2019-12-28 04:28:29,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 04:28:29,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:28:29,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 04:28:29,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:28:29,219 INFO L87 Difference]: Start difference. First operand 336 states and 881 transitions. Second operand 9 states. [2019-12-28 04:28:29,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:28:29,359 INFO L93 Difference]: Finished difference Result 543 states and 1445 transitions. [2019-12-28 04:28:29,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:28:29,359 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2019-12-28 04:28:29,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:28:29,363 INFO L225 Difference]: With dead ends: 543 [2019-12-28 04:28:29,363 INFO L226 Difference]: Without dead ends: 309 [2019-12-28 04:28:29,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-12-28 04:28:29,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2019-12-28 04:28:29,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2019-12-28 04:28:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-12-28 04:28:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 815 transitions. [2019-12-28 04:28:29,381 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 815 transitions. Word has length 33 [2019-12-28 04:28:29,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:28:29,382 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 815 transitions. [2019-12-28 04:28:29,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-28 04:28:29,382 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 815 transitions. [2019-12-28 04:28:29,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:28:29,383 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:28:29,383 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 04:28:29,383 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:28:29,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:28:29,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1513115848, now seen corresponding path program 4 times [2019-12-28 04:28:29,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:28:29,385 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860812306] [2019-12-28 04:28:29,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:28:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:28:29,512 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 04:28:29,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860812306] [2019-12-28 04:28:29,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:28:29,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:28:29,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [910707328] [2019-12-28 04:28:29,514 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:28:29,519 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:28:29,525 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 41 transitions. [2019-12-28 04:28:29,525 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:28:29,559 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 04:28:29,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:28:29,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:28:29,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:28:29,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:28:29,561 INFO L87 Difference]: Start difference. First operand 309 states and 815 transitions. Second operand 8 states. [2019-12-28 04:28:29,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:28:29,651 INFO L93 Difference]: Finished difference Result 255 states and 653 transitions. [2019-12-28 04:28:29,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:28:29,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-28 04:28:29,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:28:29,651 INFO L225 Difference]: With dead ends: 255 [2019-12-28 04:28:29,651 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:28:29,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:28:29,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:28:29,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:28:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:28:29,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:28:29,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-12-28 04:28:29,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:28:29,653 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:28:29,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:28:29,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:28:29,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:28:29,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:28:29 BasicIcfg [2019-12-28 04:28:29,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:28:29,663 INFO L168 Benchmark]: Toolchain (without parser) took 4321.11 ms. Allocated memory was 144.2 MB in the beginning and 252.2 MB in the end (delta: 108.0 MB). Free memory was 100.3 MB in the beginning and 99.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. [2019-12-28 04:28:29,669 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-28 04:28:29,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.38 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.1 MB in the beginning and 158.9 MB in the end (delta: -58.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-12-28 04:28:29,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.22 ms. Allocated memory is still 201.9 MB. Free memory was 158.9 MB in the beginning and 156.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:28:29,672 INFO L168 Benchmark]: Boogie Preprocessor took 28.48 ms. Allocated memory is still 201.9 MB. Free memory was 156.9 MB in the beginning and 155.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:28:29,673 INFO L168 Benchmark]: RCFGBuilder took 460.59 ms. Allocated memory is still 201.9 MB. Free memory was 155.6 MB in the beginning and 135.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:28:29,676 INFO L168 Benchmark]: TraceAbstraction took 3109.54 ms. Allocated memory was 201.9 MB in the beginning and 252.2 MB in the end (delta: 50.3 MB). Free memory was 134.5 MB in the beginning and 99.1 MB in the end (delta: 35.4 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2019-12-28 04:28:29,685 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.38 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.1 MB in the beginning and 158.9 MB in the end (delta: -58.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.22 ms. Allocated memory is still 201.9 MB. Free memory was 158.9 MB in the beginning and 156.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.48 ms. Allocated memory is still 201.9 MB. Free memory was 156.9 MB in the beginning and 155.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 460.59 ms. Allocated memory is still 201.9 MB. Free memory was 155.6 MB in the beginning and 135.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3109.54 ms. Allocated memory was 201.9 MB in the beginning and 252.2 MB in the end (delta: 50.3 MB). Free memory was 134.5 MB in the beginning and 99.1 MB in the end (delta: 35.4 MB). Peak memory consumption was 85.7 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, 53 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 338 SDtfs, 427 SDslu, 941 SDs, 0 SdLazy, 148 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred 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, 7 MinimizatonAttempts, 54 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 19546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...