/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/safe014_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:40:51,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:40:51,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:40:51,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:40:51,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:40:51,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:40:51,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:40:51,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:40:51,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:40:51,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:40:51,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:40:51,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:40:51,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:40:51,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:40:51,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:40:51,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:40:51,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:40:51,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:40:51,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:40:51,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:40:51,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:40:51,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:40:51,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:40:51,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:40:51,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 04:40:51,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 04:40:51,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 04:40:51,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 04:40:51,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 04:40:51,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 04:40:51,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:40:51,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:40:51,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:40:51,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:40:51,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:40:51,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:40:51,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:40:51,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:40:51,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:40:51,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:40:51,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:40:51,627 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 04:40:51,648 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:40:51,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:40:51,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:40:51,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:40:51,652 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:40:51,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:40:51,652 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:40:51,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:40:51,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:40:51,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:40:51,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:40:51,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:40:51,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:40:51,655 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:40:51,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:40:51,655 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:40:51,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:40:51,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:40:51,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:40:51,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:40:51,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:40:51,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:40:51,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:40:51,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:40:51,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:40:51,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:40:51,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:40:51,659 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:40:51,659 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:40:51,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:40:51,660 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:40:51,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:40:51,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:40:51,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:40:51,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:40:51,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:40:51,959 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:40:51,960 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_tso.oepc.i [2019-12-28 04:40:52,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceadff529/c0bfb3cc6eb8458daa445586497b3c74/FLAG2b5160c9c [2019-12-28 04:40:52,552 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:40:52,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_tso.oepc.i [2019-12-28 04:40:52,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceadff529/c0bfb3cc6eb8458daa445586497b3c74/FLAG2b5160c9c [2019-12-28 04:40:52,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceadff529/c0bfb3cc6eb8458daa445586497b3c74 [2019-12-28 04:40:52,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:40:52,842 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:40:52,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:40:52,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:40:52,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:40:52,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:40:52" (1/1) ... [2019-12-28 04:40:52,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4866f02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:52, skipping insertion in model container [2019-12-28 04:40:52,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:40:52" (1/1) ... [2019-12-28 04:40:52,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:40:52,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:40:53,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:40:53,410 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:40:53,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:40:53,575 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:40:53,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53 WrapperNode [2019-12-28 04:40:53,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:40:53,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:40:53,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:40:53,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:40:53,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (1/1) ... [2019-12-28 04:40:53,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (1/1) ... [2019-12-28 04:40:53,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:40:53,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:40:53,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:40:53,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:40:53,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (1/1) ... [2019-12-28 04:40:53,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (1/1) ... [2019-12-28 04:40:53,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (1/1) ... [2019-12-28 04:40:53,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (1/1) ... [2019-12-28 04:40:53,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (1/1) ... [2019-12-28 04:40:53,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (1/1) ... [2019-12-28 04:40:53,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (1/1) ... [2019-12-28 04:40:53,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:40:53,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:40:53,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:40:53,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:40:53,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (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 04:40:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:40:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:40:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:40:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:40:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:40:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:40:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:40:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:40:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:40:53,725 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:40:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:40:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:40:53,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:40:53,727 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 04:40:54,083 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:40:54,084 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:40:54,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:40:54 BoogieIcfgContainer [2019-12-28 04:40:54,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:40:54,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:40:54,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:40:54,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:40:54,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:40:52" (1/3) ... [2019-12-28 04:40:54,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebfb579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:40:54, skipping insertion in model container [2019-12-28 04:40:54,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:53" (2/3) ... [2019-12-28 04:40:54,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebfb579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:40:54, skipping insertion in model container [2019-12-28 04:40:54,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:40:54" (3/3) ... [2019-12-28 04:40:54,093 INFO L109 eAbstractionObserver]: Analyzing ICFG safe014_tso.oepc.i [2019-12-28 04:40:54,103 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:40:54,103 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:40:54,111 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:40:54,112 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:40:54,139 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,139 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,140 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,144 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,145 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,145 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,145 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,146 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,146 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,146 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,146 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,147 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,147 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,147 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,148 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,148 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,148 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,148 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,152 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,153 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,153 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,153 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,157 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,160 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,160 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,160 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,162 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,163 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,163 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,163 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:54,181 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:40:54,203 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:40:54,203 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:40:54,203 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:40:54,203 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:40:54,204 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:40:54,204 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:40:54,204 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:40:54,204 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:40:54,215 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 54 transitions [2019-12-28 04:40:54,300 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-12-28 04:40:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-12-28 04:40:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 04:40:54,319 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:54,320 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 04:40:54,321 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:54,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:54,327 INFO L82 PathProgramCache]: Analyzing trace with hash -83504505, now seen corresponding path program 1 times [2019-12-28 04:40:54,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:54,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879542975] [2019-12-28 04:40:54,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:54,744 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 04:40:54,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879542975] [2019-12-28 04:40:54,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:54,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:40:54,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [425159623] [2019-12-28 04:40:54,748 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:54,757 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:54,778 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 31 transitions. [2019-12-28 04:40:54,778 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:54,783 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:40:54,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:40:54,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:54,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:40:54,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:40:54,801 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-12-28 04:40:54,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:54,912 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-12-28 04:40:54,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:40:54,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-28 04:40:54,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:54,944 INFO L225 Difference]: With dead ends: 1295 [2019-12-28 04:40:54,944 INFO L226 Difference]: Without dead ends: 601 [2019-12-28 04:40:54,948 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:40:54,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-12-28 04:40:55,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-12-28 04:40:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-12-28 04:40:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-12-28 04:40:55,053 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-12-28 04:40:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:55,054 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-12-28 04:40:55,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:40:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-12-28 04:40:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:40:55,058 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:55,058 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 04:40:55,058 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:55,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:55,059 INFO L82 PathProgramCache]: Analyzing trace with hash 288299186, now seen corresponding path program 1 times [2019-12-28 04:40:55,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:55,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549314610] [2019-12-28 04:40:55,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:55,232 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 04:40:55,232 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549314610] [2019-12-28 04:40:55,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:55,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:40:55,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1634222769] [2019-12-28 04:40:55,234 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:55,239 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:55,243 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 37 states and 40 transitions. [2019-12-28 04:40:55,243 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:55,245 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:40:55,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:40:55,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:55,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:40:55,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:40:55,257 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-12-28 04:40:55,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:55,335 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-12-28 04:40:55,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:40:55,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-28 04:40:55,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:55,341 INFO L225 Difference]: With dead ends: 601 [2019-12-28 04:40:55,341 INFO L226 Difference]: Without dead ends: 538 [2019-12-28 04:40:55,342 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 04:40:55,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-28 04:40:55,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-28 04:40:55,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-28 04:40:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-12-28 04:40:55,376 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-12-28 04:40:55,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:55,377 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-12-28 04:40:55,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:40:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-12-28 04:40:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:40:55,379 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:55,379 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 04:40:55,379 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:55,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:55,380 INFO L82 PathProgramCache]: Analyzing trace with hash -2025800424, now seen corresponding path program 1 times [2019-12-28 04:40:55,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:55,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632609374] [2019-12-28 04:40:55,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:55,534 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 04:40:55,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632609374] [2019-12-28 04:40:55,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:55,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:40:55,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2100580804] [2019-12-28 04:40:55,536 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:55,540 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:55,545 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 41 transitions. [2019-12-28 04:40:55,545 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:55,546 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:40:55,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:40:55,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:55,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:40:55,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:40:55,548 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-12-28 04:40:55,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:55,645 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-12-28 04:40:55,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:40:55,646 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-28 04:40:55,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:55,649 INFO L225 Difference]: With dead ends: 403 [2019-12-28 04:40:55,649 INFO L226 Difference]: Without dead ends: 349 [2019-12-28 04:40:55,650 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 04:40:55,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-28 04:40:55,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-12-28 04:40:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-12-28 04:40:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-12-28 04:40:55,663 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-12-28 04:40:55,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:55,664 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-12-28 04:40:55,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:40:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-12-28 04:40:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:40:55,666 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:55,666 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:55,666 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:55,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:55,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1679595576, now seen corresponding path program 1 times [2019-12-28 04:40:55,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:55,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343112187] [2019-12-28 04:40:55,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:55,860 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 04:40:55,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343112187] [2019-12-28 04:40:55,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:55,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:40:55,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1094551650] [2019-12-28 04:40:55,863 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:55,869 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:55,878 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 39 states and 42 transitions. [2019-12-28 04:40:55,879 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:55,879 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:40:55,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:40:55,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:55,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:40:55,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:40:55,881 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 7 states. [2019-12-28 04:40:56,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:56,192 INFO L93 Difference]: Finished difference Result 565 states and 1500 transitions. [2019-12-28 04:40:56,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:40:56,193 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-12-28 04:40:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:56,196 INFO L225 Difference]: With dead ends: 565 [2019-12-28 04:40:56,196 INFO L226 Difference]: Without dead ends: 394 [2019-12-28 04:40:56,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-28 04:40:56,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-12-28 04:40:56,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 340. [2019-12-28 04:40:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-12-28 04:40:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 888 transitions. [2019-12-28 04:40:56,209 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 888 transitions. Word has length 34 [2019-12-28 04:40:56,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:56,209 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 888 transitions. [2019-12-28 04:40:56,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:40:56,209 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 888 transitions. [2019-12-28 04:40:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:40:56,211 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:56,211 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:56,211 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:56,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:56,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1506347884, now seen corresponding path program 2 times [2019-12-28 04:40:56,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:56,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68820262] [2019-12-28 04:40:56,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:56,357 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 04:40:56,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68820262] [2019-12-28 04:40:56,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:56,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:40:56,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1638694163] [2019-12-28 04:40:56,358 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:56,363 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:56,368 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 43 states and 50 transitions. [2019-12-28 04:40:56,369 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:56,472 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 04:40:56,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 04:40:56,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:56,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 04:40:56,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:40:56,473 INFO L87 Difference]: Start difference. First operand 340 states and 888 transitions. Second operand 9 states. [2019-12-28 04:40:56,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:56,613 INFO L93 Difference]: Finished difference Result 556 states and 1473 transitions. [2019-12-28 04:40:56,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:40:56,613 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2019-12-28 04:40:56,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:56,617 INFO L225 Difference]: With dead ends: 556 [2019-12-28 04:40:56,618 INFO L226 Difference]: Without dead ends: 334 [2019-12-28 04:40:56,618 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:40:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-12-28 04:40:56,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 325. [2019-12-28 04:40:56,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-12-28 04:40:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-12-28 04:40:56,635 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-12-28 04:40:56,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:56,636 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-12-28 04:40:56,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-28 04:40:56,636 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-12-28 04:40:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:40:56,638 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:56,638 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:56,638 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:56,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:56,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1833116096, now seen corresponding path program 3 times [2019-12-28 04:40:56,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:56,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860812306] [2019-12-28 04:40:56,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:56,830 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 04:40:56,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860812306] [2019-12-28 04:40:56,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:56,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:40:56,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [910707328] [2019-12-28 04:40:56,832 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:56,836 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:56,841 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 35 states and 34 transitions. [2019-12-28 04:40:56,841 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:56,842 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:40:56,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:40:56,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:56,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:40:56,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:40:56,843 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 8 states. [2019-12-28 04:40:56,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:56,971 INFO L93 Difference]: Finished difference Result 487 states and 1305 transitions. [2019-12-28 04:40:56,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:40:56,971 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-28 04:40:56,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:56,974 INFO L225 Difference]: With dead ends: 487 [2019-12-28 04:40:56,974 INFO L226 Difference]: Without dead ends: 313 [2019-12-28 04:40:56,974 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:40:56,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-12-28 04:40:56,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-12-28 04:40:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-12-28 04:40:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 816 transitions. [2019-12-28 04:40:56,985 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 816 transitions. Word has length 34 [2019-12-28 04:40:56,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:56,985 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 816 transitions. [2019-12-28 04:40:56,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:40:56,985 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 816 transitions. [2019-12-28 04:40:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:40:56,986 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:56,986 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:56,987 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:56,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:56,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1476702554, now seen corresponding path program 4 times [2019-12-28 04:40:56,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:56,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456593795] [2019-12-28 04:40:56,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:40:57,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456593795] [2019-12-28 04:40:57,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:57,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:40:57,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [272385883] [2019-12-28 04:40:57,193 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:57,197 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:57,203 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 47 states and 58 transitions. [2019-12-28 04:40:57,203 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:57,291 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2019-12-28 04:40:57,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-28 04:40:57,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:57,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-28 04:40:57,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-28 04:40:57,295 INFO L87 Difference]: Start difference. First operand 313 states and 816 transitions. Second operand 10 states. [2019-12-28 04:40:57,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:57,387 INFO L93 Difference]: Finished difference Result 259 states and 654 transitions. [2019-12-28 04:40:57,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:40:57,388 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-12-28 04:40:57,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:57,388 INFO L225 Difference]: With dead ends: 259 [2019-12-28 04:40:57,388 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:40:57,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2019-12-28 04:40:57,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:40:57,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:40:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:40:57,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:40:57,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-12-28 04:40:57,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:57,390 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:40:57,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-28 04:40:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:40:57,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:40:57,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:40:57 BasicIcfg [2019-12-28 04:40:57,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:40:57,402 INFO L168 Benchmark]: Toolchain (without parser) took 4558.38 ms. Allocated memory was 145.2 MB in the beginning and 249.6 MB in the end (delta: 104.3 MB). Free memory was 100.9 MB in the beginning and 178.1 MB in the end (delta: -77.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:57,407 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-28 04:40:57,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.62 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 100.5 MB in the beginning and 161.8 MB in the end (delta: -61.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:57,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.76 ms. Allocated memory is still 204.5 MB. Free memory was 161.8 MB in the beginning and 159.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:57,410 INFO L168 Benchmark]: Boogie Preprocessor took 24.57 ms. Allocated memory is still 204.5 MB. Free memory was 159.7 MB in the beginning and 157.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:57,411 INFO L168 Benchmark]: RCFGBuilder took 421.04 ms. Allocated memory is still 204.5 MB. Free memory was 157.7 MB in the beginning and 137.2 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:57,414 INFO L168 Benchmark]: TraceAbstraction took 3312.03 ms. Allocated memory was 204.5 MB in the beginning and 249.6 MB in the end (delta: 45.1 MB). Free memory was 136.5 MB in the beginning and 178.1 MB in the end (delta: -41.6 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:57,426 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.62 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 100.5 MB in the beginning and 161.8 MB in the end (delta: -61.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.76 ms. Allocated memory is still 204.5 MB. Free memory was 161.8 MB in the beginning and 159.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.57 ms. Allocated memory is still 204.5 MB. Free memory was 159.7 MB in the beginning and 157.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.04 ms. Allocated memory is still 204.5 MB. Free memory was 157.7 MB in the beginning and 137.2 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3312.03 ms. Allocated memory was 204.5 MB in the beginning and 249.6 MB in the end (delta: 45.1 MB). Free memory was 136.5 MB in the beginning and 178.1 MB in the end (delta: -41.6 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 363 SDtfs, 475 SDslu, 1062 SDs, 0 SdLazy, 191 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 23817 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...