/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-McrStrategy.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 20:10:33,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 20:10:33,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 20:10:33,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 20:10:33,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 20:10:33,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 20:10:33,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 20:10:33,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 20:10:33,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 20:10:33,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 20:10:33,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 20:10:33,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 20:10:33,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 20:10:33,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 20:10:33,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 20:10:33,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 20:10:33,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 20:10:33,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 20:10:33,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 20:10:33,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 20:10:33,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 20:10:33,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 20:10:33,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 20:10:33,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 20:10:33,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 20:10:33,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 20:10:33,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 20:10:33,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 20:10:33,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 20:10:33,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 20:10:33,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 20:10:33,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 20:10:33,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 20:10:33,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 20:10:33,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 20:10:33,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 20:10:33,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 20:10:33,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 20:10:33,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 20:10:33,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 20:10:33,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 20:10:33,714 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-McrStrategy.epf [2020-04-18 20:10:33,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 20:10:33,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 20:10:33,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 20:10:33,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 20:10:33,746 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 20:10:33,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 20:10:33,746 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 20:10:33,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 20:10:33,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 20:10:33,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 20:10:33,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 20:10:33,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 20:10:33,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 20:10:33,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 20:10:33,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 20:10:33,749 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 20:10:33,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 20:10:33,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 20:10:33,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 20:10:33,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 20:10:33,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 20:10:33,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 20:10:33,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 20:10:33,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 20:10:33,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 20:10:33,752 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 20:10:33,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 20:10:33,752 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 20:10:33,752 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 20:10:33,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 20:10:33,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 20:10:34,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 20:10:34,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 20:10:34,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 20:10:34,072 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 20:10:34,072 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 20:10:34,073 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2020-04-18 20:10:34,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88139eee7/ff6a40c5709e41c9a02783af0a8461e2/FLAGb4d8b834f [2020-04-18 20:10:34,773 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 20:10:34,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2020-04-18 20:10:34,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88139eee7/ff6a40c5709e41c9a02783af0a8461e2/FLAGb4d8b834f [2020-04-18 20:10:34,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88139eee7/ff6a40c5709e41c9a02783af0a8461e2 [2020-04-18 20:10:35,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 20:10:35,023 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 20:10:35,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 20:10:35,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 20:10:35,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 20:10:35,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:10:34" (1/1) ... [2020-04-18 20:10:35,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10143938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:35, skipping insertion in model container [2020-04-18 20:10:35,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:10:34" (1/1) ... [2020-04-18 20:10:35,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 20:10:35,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 20:10:36,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:10:36,033 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 20:10:36,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:10:36,560 INFO L208 MainTranslator]: Completed translation [2020-04-18 20:10:36,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36 WrapperNode [2020-04-18 20:10:36,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 20:10:36,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 20:10:36,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 20:10:36,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 20:10:36,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (1/1) ... [2020-04-18 20:10:36,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (1/1) ... [2020-04-18 20:10:36,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 20:10:36,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 20:10:36,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 20:10:36,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 20:10:36,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (1/1) ... [2020-04-18 20:10:36,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (1/1) ... [2020-04-18 20:10:36,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (1/1) ... [2020-04-18 20:10:36,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (1/1) ... [2020-04-18 20:10:36,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (1/1) ... [2020-04-18 20:10:36,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (1/1) ... [2020-04-18 20:10:36,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (1/1) ... [2020-04-18 20:10:36,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 20:10:36,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 20:10:36,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 20:10:36,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 20:10:36,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (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 [2020-04-18 20:10:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 20:10:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 20:10:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 20:10:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 20:10:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 20:10:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 20:10:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-04-18 20:10:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-04-18 20:10:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 20:10:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 20:10:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 20:10:36,792 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 20:10:37,600 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 20:10:37,600 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-04-18 20:10:37,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:10:37 BoogieIcfgContainer [2020-04-18 20:10:37,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 20:10:37,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 20:10:37,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 20:10:37,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 20:10:37,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:10:34" (1/3) ... [2020-04-18 20:10:37,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b837ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:10:37, skipping insertion in model container [2020-04-18 20:10:37,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:36" (2/3) ... [2020-04-18 20:10:37,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b837ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:10:37, skipping insertion in model container [2020-04-18 20:10:37,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:10:37" (3/3) ... [2020-04-18 20:10:37,615 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2020-04-18 20:10:37,625 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 20:10:37,626 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 20:10:37,635 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 20:10:37,636 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 20:10:37,667 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,668 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,668 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,668 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,669 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,669 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,669 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,669 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,669 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,670 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,670 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,670 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,670 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,670 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,671 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,671 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,671 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,671 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,672 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,672 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,672 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,672 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,673 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,673 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,673 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,674 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,674 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,674 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,674 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,674 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,675 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,675 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,675 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,676 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,676 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,677 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,677 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,677 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,677 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,677 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,678 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,678 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,678 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,679 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,679 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,679 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,679 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,679 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,680 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,680 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,680 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,680 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,680 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,681 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,681 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,681 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,682 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,682 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,682 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,682 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,683 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,683 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,683 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,684 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,684 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,684 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,684 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,685 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,685 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,685 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,689 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,690 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,690 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,690 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,690 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,691 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,691 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,691 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,691 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,692 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,692 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,692 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,710 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,711 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,711 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,711 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,713 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,713 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,714 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,714 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,714 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,714 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,714 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,715 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:37,747 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-04-18 20:10:37,769 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 20:10:37,769 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 20:10:37,770 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 20:10:37,770 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 20:10:37,770 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 20:10:37,770 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 20:10:37,770 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 20:10:37,771 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 20:10:37,795 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 151 places, 155 transitions, 332 flow [2020-04-18 20:10:38,169 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8625 states. [2020-04-18 20:10:38,172 INFO L276 IsEmpty]: Start isEmpty. Operand 8625 states. [2020-04-18 20:10:38,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-04-18 20:10:38,192 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:38,193 INFO L425 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] [2020-04-18 20:10:38,194 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:38,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:38,202 INFO L82 PathProgramCache]: Analyzing trace with hash -102261256, now seen corresponding path program 1 times [2020-04-18 20:10:38,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:38,210 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [337667844] [2020-04-18 20:10:38,227 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:38,237 INFO L259 McrAutomatonBuilder]: Finished intersection with 33 states and 32 transitions. [2020-04-18 20:10:38,240 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-04-18 20:10:38,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-04-18 20:10:38,242 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:38,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:38,243 INFO L82 PathProgramCache]: Analyzing trace with hash -102261256, now seen corresponding path program 2 times [2020-04-18 20:10:38,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:38,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714504603] [2020-04-18 20:10:38,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:38,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714504603] [2020-04-18 20:10:38,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:38,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:38,869 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:38,873 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:38,889 INFO L259 McrAutomatonBuilder]: Finished intersection with 33 states and 32 transitions. [2020-04-18 20:10:38,890 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:38,955 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:38,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:38,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:38,962 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 6 states. [2020-04-18 20:10:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:39,080 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2020-04-18 20:10:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2020-04-18 20:10:39,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:39,082 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [337667844] [2020-04-18 20:10:39,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:39,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:39,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [337667844] [2020-04-18 20:10:39,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:39,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:39,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:39,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 20:10:39,093 INFO L87 Difference]: Start difference. First operand 8625 states. Second operand 6 states. [2020-04-18 20:10:39,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:39,533 INFO L93 Difference]: Finished difference Result 8628 states and 24127 transitions. [2020-04-18 20:10:39,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-04-18 20:10:39,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-04-18 20:10:39,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:39,627 INFO L225 Difference]: With dead ends: 8628 [2020-04-18 20:10:39,627 INFO L226 Difference]: Without dead ends: 7036 [2020-04-18 20:10:39,631 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-04-18 20:10:39,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7036 states. [2020-04-18 20:10:40,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7036 to 7035. [2020-04-18 20:10:40,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7035 states. [2020-04-18 20:10:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7035 states to 7035 states and 19594 transitions. [2020-04-18 20:10:40,065 INFO L78 Accepts]: Start accepts. Automaton has 7035 states and 19594 transitions. Word has length 32 [2020-04-18 20:10:40,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:40,066 INFO L479 AbstractCegarLoop]: Abstraction has 7035 states and 19594 transitions. [2020-04-18 20:10:40,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:40,066 INFO L276 IsEmpty]: Start isEmpty. Operand 7035 states and 19594 transitions. [2020-04-18 20:10:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-18 20:10:40,067 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:40,068 INFO L425 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, 1, 1, 1, 1] [2020-04-18 20:10:40,068 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:40,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:40,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1137045724, now seen corresponding path program 1 times [2020-04-18 20:10:40,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:40,069 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1451541780] [2020-04-18 20:10:40,070 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:40,070 INFO L259 McrAutomatonBuilder]: Finished intersection with 39 states and 38 transitions. [2020-04-18 20:10:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-04-18 20:10:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-18 20:10:40,076 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:40,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:40,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1137045724, now seen corresponding path program 2 times [2020-04-18 20:10:40,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:40,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505281745] [2020-04-18 20:10:40,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:40,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505281745] [2020-04-18 20:10:40,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:40,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:40,339 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:40,345 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:40,352 INFO L259 McrAutomatonBuilder]: Finished intersection with 39 states and 38 transitions. [2020-04-18 20:10:40,352 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:40,404 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:40,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:40,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:40,407 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 6 states. [2020-04-18 20:10:40,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:40,566 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-04-18 20:10:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-04-18 20:10:40,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:40,568 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1451541780] [2020-04-18 20:10:40,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:40,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:40,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1451541780] [2020-04-18 20:10:40,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:40,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:40,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:40,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:10:40,571 INFO L87 Difference]: Start difference. First operand 7035 states and 19594 transitions. Second operand 6 states. [2020-04-18 20:10:40,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:40,919 INFO L93 Difference]: Finished difference Result 7037 states and 19596 transitions. [2020-04-18 20:10:40,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-18 20:10:40,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-04-18 20:10:40,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:40,962 INFO L225 Difference]: With dead ends: 7037 [2020-04-18 20:10:40,962 INFO L226 Difference]: Without dead ends: 7037 [2020-04-18 20:10:40,964 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-04-18 20:10:41,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7037 states. [2020-04-18 20:10:41,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7037 to 7033. [2020-04-18 20:10:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7033 states. [2020-04-18 20:10:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 19592 transitions. [2020-04-18 20:10:41,214 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 19592 transitions. Word has length 38 [2020-04-18 20:10:41,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:41,214 INFO L479 AbstractCegarLoop]: Abstraction has 7033 states and 19592 transitions. [2020-04-18 20:10:41,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 19592 transitions. [2020-04-18 20:10:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-04-18 20:10:41,221 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:41,221 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:10:41,222 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:41,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:41,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1024709811, now seen corresponding path program 1 times [2020-04-18 20:10:41,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:41,223 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [95873860] [2020-04-18 20:10:41,224 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:41,224 INFO L259 McrAutomatonBuilder]: Finished intersection with 57 states and 56 transitions. [2020-04-18 20:10:41,225 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-04-18 20:10:41,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-04-18 20:10:41,226 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:41,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:41,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1024709811, now seen corresponding path program 2 times [2020-04-18 20:10:41,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:41,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102852827] [2020-04-18 20:10:41,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:41,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102852827] [2020-04-18 20:10:41,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:41,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:41,559 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:41,568 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:41,585 INFO L259 McrAutomatonBuilder]: Finished intersection with 57 states and 56 transitions. [2020-04-18 20:10:41,586 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:41,638 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:41,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:41,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:41,639 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 6 states. [2020-04-18 20:10:41,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:41,785 INFO L93 Difference]: Finished difference Result 57 states and 56 transitions. [2020-04-18 20:10:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 56 transitions. [2020-04-18 20:10:41,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:41,786 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [95873860] [2020-04-18 20:10:41,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:41,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:41,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [95873860] [2020-04-18 20:10:41,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:41,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:41,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:41,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:10:41,788 INFO L87 Difference]: Start difference. First operand 7033 states and 19592 transitions. Second operand 6 states. [2020-04-18 20:10:42,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:42,309 INFO L93 Difference]: Finished difference Result 10284 states and 28558 transitions. [2020-04-18 20:10:42,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 20:10:42,310 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-04-18 20:10:42,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:42,398 INFO L225 Difference]: With dead ends: 10284 [2020-04-18 20:10:42,398 INFO L226 Difference]: Without dead ends: 10284 [2020-04-18 20:10:42,399 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-04-18 20:10:42,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10284 states. [2020-04-18 20:10:42,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10284 to 7869. [2020-04-18 20:10:42,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7869 states. [2020-04-18 20:10:42,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7869 states to 7869 states and 21924 transitions. [2020-04-18 20:10:42,839 INFO L78 Accepts]: Start accepts. Automaton has 7869 states and 21924 transitions. Word has length 56 [2020-04-18 20:10:42,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:42,840 INFO L479 AbstractCegarLoop]: Abstraction has 7869 states and 21924 transitions. [2020-04-18 20:10:42,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:42,840 INFO L276 IsEmpty]: Start isEmpty. Operand 7869 states and 21924 transitions. [2020-04-18 20:10:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-04-18 20:10:42,844 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:42,844 INFO L425 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, 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] [2020-04-18 20:10:42,844 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:42,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:42,845 INFO L82 PathProgramCache]: Analyzing trace with hash 388356272, now seen corresponding path program 1 times [2020-04-18 20:10:42,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:42,845 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1421276856] [2020-04-18 20:10:42,846 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:42,847 INFO L259 McrAutomatonBuilder]: Finished intersection with 63 states and 62 transitions. [2020-04-18 20:10:42,847 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-04-18 20:10:42,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-04-18 20:10:42,848 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:42,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:42,849 INFO L82 PathProgramCache]: Analyzing trace with hash 388356272, now seen corresponding path program 2 times [2020-04-18 20:10:42,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:42,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430906955] [2020-04-18 20:10:42,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:43,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430906955] [2020-04-18 20:10:43,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:43,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:43,015 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:43,028 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:43,046 INFO L259 McrAutomatonBuilder]: Finished intersection with 63 states and 62 transitions. [2020-04-18 20:10:43,047 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:43,105 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:43,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:43,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:43,106 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 6 states. [2020-04-18 20:10:43,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:43,274 INFO L93 Difference]: Finished difference Result 63 states and 62 transitions. [2020-04-18 20:10:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 62 transitions. [2020-04-18 20:10:43,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:43,275 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1421276856] [2020-04-18 20:10:43,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:43,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:43,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1421276856] [2020-04-18 20:10:43,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:43,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:43,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:43,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:10:43,277 INFO L87 Difference]: Start difference. First operand 7869 states and 21924 transitions. Second operand 6 states. [2020-04-18 20:10:43,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:43,764 INFO L93 Difference]: Finished difference Result 11120 states and 30729 transitions. [2020-04-18 20:10:43,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 20:10:43,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-04-18 20:10:43,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:43,797 INFO L225 Difference]: With dead ends: 11120 [2020-04-18 20:10:43,798 INFO L226 Difference]: Without dead ends: 9331 [2020-04-18 20:10:43,798 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-04-18 20:10:43,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9331 states. [2020-04-18 20:10:44,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9331 to 9009. [2020-04-18 20:10:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9009 states. [2020-04-18 20:10:44,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9009 states to 9009 states and 25112 transitions. [2020-04-18 20:10:44,224 INFO L78 Accepts]: Start accepts. Automaton has 9009 states and 25112 transitions. Word has length 62 [2020-04-18 20:10:44,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:44,224 INFO L479 AbstractCegarLoop]: Abstraction has 9009 states and 25112 transitions. [2020-04-18 20:10:44,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 9009 states and 25112 transitions. [2020-04-18 20:10:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-04-18 20:10:44,234 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:44,235 INFO L425 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, 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, 1, 1] [2020-04-18 20:10:44,236 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:44,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:44,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1063782838, now seen corresponding path program 1 times [2020-04-18 20:10:44,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:44,239 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1236824151] [2020-04-18 20:10:44,244 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:44,260 INFO L259 McrAutomatonBuilder]: Finished intersection with 191 states and 310 transitions. [2020-04-18 20:10:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-04-18 20:10:44,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-04-18 20:10:44,262 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:44,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:44,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1063782838, now seen corresponding path program 2 times [2020-04-18 20:10:44,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:44,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440896638] [2020-04-18 20:10:44,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:44,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440896638] [2020-04-18 20:10:44,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:44,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 20:10:44,375 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:44,390 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:44,455 INFO L259 McrAutomatonBuilder]: Finished intersection with 134 states and 196 transitions. [2020-04-18 20:10:44,455 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:45,289 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 28 times. [2020-04-18 20:10:45,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-04-18 20:10:45,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2020-04-18 20:10:45,290 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 25 states. [2020-04-18 20:10:46,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:46,213 INFO L93 Difference]: Finished difference Result 191 states and 310 transitions. [2020-04-18 20:10:46,213 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 310 transitions. [2020-04-18 20:10:46,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:46,215 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1236824151] [2020-04-18 20:10:46,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:46,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-04-18 20:10:46,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1236824151] [2020-04-18 20:10:46,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-04-18 20:10:46,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:46,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-04-18 20:10:46,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=791, Unknown=0, NotChecked=0, Total=992 [2020-04-18 20:10:46,217 INFO L87 Difference]: Start difference. First operand 9009 states and 25112 transitions. Second operand 25 states. [2020-04-18 20:10:47,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:47,549 INFO L93 Difference]: Finished difference Result 3448 states and 9268 transitions. [2020-04-18 20:10:47,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 20:10:47,550 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 70 [2020-04-18 20:10:47,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:47,565 INFO L225 Difference]: With dead ends: 3448 [2020-04-18 20:10:47,565 INFO L226 Difference]: Without dead ends: 3448 [2020-04-18 20:10:47,568 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=201, Invalid=791, Unknown=0, NotChecked=0, Total=992 [2020-04-18 20:10:47,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3448 states. [2020-04-18 20:10:47,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3448 to 3184. [2020-04-18 20:10:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2020-04-18 20:10:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 8602 transitions. [2020-04-18 20:10:47,668 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 8602 transitions. Word has length 70 [2020-04-18 20:10:47,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:47,668 INFO L479 AbstractCegarLoop]: Abstraction has 3184 states and 8602 transitions. [2020-04-18 20:10:47,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-04-18 20:10:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 8602 transitions. [2020-04-18 20:10:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-04-18 20:10:47,686 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:47,686 INFO L425 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, 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, 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, 1, 1] [2020-04-18 20:10:47,686 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:47,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:47,687 INFO L82 PathProgramCache]: Analyzing trace with hash -262937898, now seen corresponding path program 1 times [2020-04-18 20:10:47,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:47,687 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [418616091] [2020-04-18 20:10:47,693 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:47,806 INFO L259 McrAutomatonBuilder]: Finished intersection with 3101 states and 8448 transitions. [2020-04-18 20:10:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states. [2020-04-18 20:10:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-04-18 20:10:47,845 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:47,846 INFO L82 PathProgramCache]: Analyzing trace with hash -262937898, now seen corresponding path program 2 times [2020-04-18 20:10:47,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:47,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513663350] [2020-04-18 20:10:47,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:51,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:10:51,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513663350] [2020-04-18 20:10:51,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:51,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2020-04-18 20:10:51,078 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:51,147 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:52,334 INFO L259 McrAutomatonBuilder]: Finished intersection with 783 states and 1904 transitions. [2020-04-18 20:10:52,334 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:55,683 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,687 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,691 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,697 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,702 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,707 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,776 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:10:55,779 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,783 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,787 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,790 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,794 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,797 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:55,818 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:10:55,819 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:10:55,819 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:221, output treesize:23 [2020-04-18 20:10:56,503 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,510 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,514 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,519 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,522 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,528 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,596 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:10:56,601 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,604 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,608 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,621 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,625 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,629 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:56,651 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:10:56,651 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:10:56,652 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:221, output treesize:23 [2020-04-18 20:10:59,449 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,453 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,457 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,460 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,465 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,469 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,555 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:10:59,558 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,562 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,566 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,570 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,573 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,576 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:10:59,633 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:10:59,634 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:10:59,634 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:281, output treesize:89 [2020-04-18 20:11:00,306 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,311 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,315 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,319 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,323 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,326 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,411 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:00,415 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,423 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,426 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,430 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,436 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,439 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:11:00,497 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:11:00,498 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:11:00,498 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:281, output treesize:89 [2020-04-18 20:11:01,466 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 99 times. [2020-04-18 20:11:01,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2020-04-18 20:11:01,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=5807, Unknown=0, NotChecked=0, Total=6006 [2020-04-18 20:11:01,469 INFO L87 Difference]: Start difference. First operand 3101 states. Second operand 78 states. [2020-04-18 20:11:04,185 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-04-18 20:11:04,568 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-04-18 20:11:05,346 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-04-18 20:11:05,713 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-04-18 20:11:06,310 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-04-18 20:11:06,694 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-04-18 20:11:07,137 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-18 20:11:07,720 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-04-18 20:11:08,422 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-04-18 20:11:08,917 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-04-18 20:11:09,597 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2020-04-18 20:11:10,536 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2020-04-18 20:11:10,985 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-04-18 20:11:11,709 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2020-04-18 20:11:12,386 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2020-04-18 20:11:13,098 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-04-18 20:11:13,855 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2020-04-18 20:11:14,717 WARN L192 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2020-04-18 20:11:15,597 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 56 [2020-04-18 20:11:16,272 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2020-04-18 20:11:17,041 WARN L192 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 89 [2020-04-18 20:11:17,968 WARN L192 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 86 [2020-04-18 20:11:18,932 WARN L192 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2020-04-18 20:11:20,067 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 61 [2020-04-18 20:11:21,015 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2020-04-18 20:11:22,098 WARN L192 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 104 [2020-04-18 20:11:23,819 WARN L192 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 101 [2020-04-18 20:11:24,699 WARN L192 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2020-04-18 20:11:26,772 WARN L192 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 65 [2020-04-18 20:11:27,783 WARN L192 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 113 [2020-04-18 20:11:29,057 WARN L192 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 119 [2020-04-18 20:11:29,712 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2020-04-18 20:11:31,037 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-04-18 20:11:32,667 WARN L192 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 80 [2020-04-18 20:11:33,599 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 69 [2020-04-18 20:11:35,230 WARN L192 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 134 [2020-04-18 20:11:36,460 WARN L192 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 74 [2020-04-18 20:11:38,492 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-04-18 20:11:39,519 WARN L192 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 78 [2020-04-18 20:11:41,978 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2020-04-18 20:11:42,605 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2020-04-18 20:11:44,702 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-04-18 20:11:45,287 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2020-04-18 20:11:46,446 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2020-04-18 20:11:47,203 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 61 [2020-04-18 20:11:48,274 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-04-18 20:11:49,621 WARN L192 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 73 [2020-04-18 20:11:50,992 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2020-04-18 20:11:51,814 WARN L192 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2020-04-18 20:11:53,066 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-04-18 20:11:54,461 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2020-04-18 20:11:56,255 WARN L192 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 82 [2020-04-18 20:11:57,767 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 65 [2020-04-18 20:11:58,667 WARN L192 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 89 [2020-04-18 20:12:00,176 WARN L192 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2020-04-18 20:12:00,924 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2020-04-18 20:12:01,610 WARN L192 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2020-04-18 20:12:02,696 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-04-18 20:12:04,743 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 74 [2020-04-18 20:12:05,542 WARN L192 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2020-04-18 20:12:06,615 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2020-04-18 20:12:07,479 WARN L192 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2020-04-18 20:12:08,356 WARN L192 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2020-04-18 20:12:09,306 WARN L192 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2020-04-18 20:12:11,021 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-04-18 20:12:12,221 WARN L192 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 101 [2020-04-18 20:12:13,510 WARN L192 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2020-04-18 20:12:14,494 WARN L192 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 89 [2020-04-18 20:12:15,510 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 61 [2020-04-18 20:12:16,533 WARN L192 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2020-04-18 20:12:17,668 WARN L192 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 97 [2020-04-18 20:12:18,740 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 74 [2020-04-18 20:12:19,704 WARN L192 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 86 [2020-04-18 20:12:21,464 WARN L192 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 96 [2020-04-18 20:12:23,280 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-04-18 20:12:24,443 WARN L192 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 113 [2020-04-18 20:12:25,868 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2020-04-18 20:12:26,765 WARN L192 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 64 [2020-04-18 20:12:27,874 WARN L192 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 99 [2020-04-18 20:12:28,967 WARN L192 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 78 [2020-04-18 20:12:29,970 WARN L192 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2020-04-18 20:12:31,856 WARN L192 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 112 [2020-04-18 20:12:34,111 WARN L192 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 91 [2020-04-18 20:12:35,262 WARN L192 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 80 [2020-04-18 20:12:36,128 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2020-04-18 20:12:37,797 WARN L192 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 112 [2020-04-18 20:12:39,364 WARN L192 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 81 [2020-04-18 20:12:42,663 WARN L192 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 68 [2020-04-18 20:12:44,134 WARN L192 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 117 [2020-04-18 20:12:45,861 WARN L192 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 226 DAG size of output: 130 [2020-04-18 20:12:47,325 WARN L192 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 223 DAG size of output: 125 [2020-04-18 20:12:48,690 WARN L192 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 103 [2020-04-18 20:12:49,800 WARN L192 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 75 [2020-04-18 20:12:53,676 WARN L192 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 79 [2020-04-18 20:12:55,161 WARN L192 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 73 [2020-04-18 20:12:57,470 WARN L192 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 259 DAG size of output: 138 [2020-04-18 20:12:59,684 WARN L192 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 265 DAG size of output: 146 [2020-04-18 20:13:01,803 WARN L192 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 107 [2020-04-18 20:13:11,461 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 66 [2020-04-18 20:13:12,252 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-04-18 20:13:13,571 WARN L192 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 78 [2020-04-18 20:13:15,504 WARN L192 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 111 [2020-04-18 20:13:17,115 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2020-04-18 20:13:18,845 WARN L192 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2020-04-18 20:13:19,754 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 65 [2020-04-18 20:13:22,266 WARN L192 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 88 [2020-04-18 20:13:23,808 WARN L192 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 97 [2020-04-18 20:13:26,325 WARN L192 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 87 [2020-04-18 20:13:27,559 WARN L192 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 100 [2020-04-18 20:13:28,498 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 76 [2020-04-18 20:13:29,852 WARN L192 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 112 [2020-04-18 20:13:31,059 WARN L192 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 77 [2020-04-18 20:13:32,613 WARN L192 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 110 [2020-04-18 20:13:34,721 WARN L192 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 116 [2020-04-18 20:13:36,334 WARN L192 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 220 DAG size of output: 125 [2020-04-18 20:13:37,726 WARN L192 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 90 [2020-04-18 20:13:40,323 WARN L192 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 79 [2020-04-18 20:13:46,365 WARN L192 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 68 [2020-04-18 20:13:49,866 WARN L192 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 75 [2020-04-18 20:13:51,178 WARN L192 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 78 [2020-04-18 20:13:51,809 WARN L192 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 75 [2020-04-18 20:13:52,193 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 58 [2020-04-18 20:13:52,773 WARN L192 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 66 [2020-04-18 20:13:53,283 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 62 [2020-04-18 20:13:53,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:13:53,412 INFO L93 Difference]: Finished difference Result 6224 states and 16346 transitions. [2020-04-18 20:13:53,412 INFO L276 IsEmpty]: Start isEmpty. Operand 6224 states and 16346 transitions. [2020-04-18 20:13:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-04-18 20:13:53,433 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 20:13:53,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:13:53,434 INFO L82 PathProgramCache]: Analyzing trace with hash 567800430, now seen corresponding path program 3 times [2020-04-18 20:13:53,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:13:53,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565853065] [2020-04-18 20:13:53,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:13:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:13:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:13:54,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565853065] [2020-04-18 20:13:54,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:13:54,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-04-18 20:13:54,677 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:13:54,701 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:13:55,350 INFO L259 McrAutomatonBuilder]: Finished intersection with 797 states and 1908 transitions. [2020-04-18 20:13:55,350 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:13:59,608 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 26 times. [2020-04-18 20:13:59,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-18 20:13:59,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8014, Invalid=39292, Unknown=0, NotChecked=0, Total=47306 [2020-04-18 20:13:59,621 INFO L87 Difference]: Start difference. First operand 6224 states and 16346 transitions. Second operand 23 states. [2020-04-18 20:14:02,213 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-04-18 20:14:02,609 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-04-18 20:14:03,008 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-04-18 20:14:03,401 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2020-04-18 20:14:03,897 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2020-04-18 20:14:05,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:14:05,629 INFO L93 Difference]: Finished difference Result 7260 states and 18944 transitions. [2020-04-18 20:14:05,630 INFO L276 IsEmpty]: Start isEmpty. Operand 7260 states and 18944 transitions. [2020-04-18 20:14:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-04-18 20:14:05,643 INFO L105 Mcr]: ---- MCR iteration 2 ---- [2020-04-18 20:14:05,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:14:05,643 INFO L82 PathProgramCache]: Analyzing trace with hash 2019927096, now seen corresponding path program 4 times [2020-04-18 20:14:05,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:14:05,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723816338] [2020-04-18 20:14:05,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:14:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:14:07,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:14:07,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723816338] [2020-04-18 20:14:07,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:14:07,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-04-18 20:14:07,578 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:14:07,606 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:14:08,370 INFO L259 McrAutomatonBuilder]: Finished intersection with 792 states and 1922 transitions. [2020-04-18 20:14:08,370 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:14:24,089 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,092 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,095 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,100 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,103 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,106 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,171 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:24,175 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,178 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,181 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,184 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,187 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,190 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:24,213 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:24,214 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:14:24,214 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:221, output treesize:23 [2020-04-18 20:14:26,801 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,804 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,807 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,810 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,814 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,817 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,882 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:26,885 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,888 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,891 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,894 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,901 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,903 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:26,923 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:26,924 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:14:26,924 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:221, output treesize:23 [2020-04-18 20:14:29,050 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,053 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,057 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,060 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,064 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,067 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,126 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:29,131 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,133 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,136 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,139 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,143 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,145 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:29,170 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:29,171 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:14:29,171 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:221, output treesize:23 [2020-04-18 20:14:30,482 INFO L539 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,487 INFO L539 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,491 INFO L539 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,495 INFO L539 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,499 INFO L539 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,503 INFO L539 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,582 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:30,586 INFO L539 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,589 INFO L539 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,591 INFO L539 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,595 INFO L539 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,597 INFO L539 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,599 INFO L539 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-04-18 20:14:30,621 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-18 20:14:30,622 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-04-18 20:14:30,622 INFO L239 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:223, output treesize:25 [2020-04-18 20:14:32,333 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 86 times. [2020-04-18 20:14:32,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-04-18 20:14:32,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8925, Invalid=74885, Unknown=0, NotChecked=0, Total=83810 [2020-04-18 20:14:32,341 INFO L87 Difference]: Start difference. First operand 7260 states and 18944 transitions. Second operand 69 states. [2020-04-18 20:14:34,814 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2020-04-18 20:14:35,278 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-04-18 20:14:35,721 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-04-18 20:14:36,096 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-04-18 20:14:36,591 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-04-18 20:14:37,017 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2020-04-18 20:14:37,459 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-04-18 20:14:37,974 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2020-04-18 20:14:38,501 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-04-18 20:14:38,966 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-04-18 20:14:39,551 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-04-18 20:14:40,370 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-04-18 20:14:40,826 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-04-18 20:14:41,383 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-04-18 20:14:42,029 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-04-18 20:14:42,693 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-04-18 20:14:43,188 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-04-18 20:14:43,761 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2020-04-18 20:14:44,704 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-04-18 20:14:45,363 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2020-04-18 20:14:45,930 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-04-18 20:14:46,772 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-04-18 20:14:47,826 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2020-04-18 20:14:48,724 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2020-04-18 20:14:49,841 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 60 [2020-04-18 20:14:50,791 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-04-18 20:14:51,937 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2020-04-18 20:14:52,891 WARN L192 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2020-04-18 20:14:53,573 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2020-04-18 20:14:55,543 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2020-04-18 20:14:56,403 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 Received shutdown request... [2020-04-18 20:14:57,706 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-18 20:14:57,712 WARN L228 ceAbstractionStarter]: Timeout [2020-04-18 20:14:57,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:14:57 BasicIcfg [2020-04-18 20:14:57,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 20:14:57,713 INFO L168 Benchmark]: Toolchain (without parser) took 262707.61 ms. Allocated memory was 145.8 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 99.1 MB in the beginning and 709.3 MB in the end (delta: -610.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-04-18 20:14:57,714 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-04-18 20:14:57,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1536.60 ms. Allocated memory was 145.8 MB in the beginning and 237.5 MB in the end (delta: 91.8 MB). Free memory was 97.2 MB in the beginning and 170.4 MB in the end (delta: -73.2 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. [2020-04-18 20:14:57,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.44 ms. Allocated memory is still 237.5 MB. Free memory was 170.4 MB in the beginning and 166.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-04-18 20:14:57,716 INFO L168 Benchmark]: Boogie Preprocessor took 54.84 ms. Allocated memory is still 237.5 MB. Free memory was 166.0 MB in the beginning and 163.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-18 20:14:57,716 INFO L168 Benchmark]: RCFGBuilder took 892.23 ms. Allocated memory is still 237.5 MB. Free memory was 163.1 MB in the beginning and 115.0 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2020-04-18 20:14:57,716 INFO L168 Benchmark]: TraceAbstraction took 260105.27 ms. Allocated memory was 237.5 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 115.0 MB in the beginning and 709.3 MB in the end (delta: -594.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-04-18 20:14:57,718 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1536.60 ms. Allocated memory was 145.8 MB in the beginning and 237.5 MB in the end (delta: 91.8 MB). Free memory was 97.2 MB in the beginning and 170.4 MB in the end (delta: -73.2 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 96.44 ms. Allocated memory is still 237.5 MB. Free memory was 170.4 MB in the beginning and 166.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.84 ms. Allocated memory is still 237.5 MB. Free memory was 166.0 MB in the beginning and 163.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 892.23 ms. Allocated memory is still 237.5 MB. Free memory was 163.1 MB in the beginning and 115.0 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260105.27 ms. Allocated memory was 237.5 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 115.0 MB in the beginning and 709.3 MB in the end (delta: -594.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 1,while PredicateComparison was comparing new predicate (quantifier-free) to 323 known predicates. - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 1,while PredicateComparison was comparing new predicate (quantifier-free) to 323 known predicates. - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 1,while PredicateComparison was comparing new predicate (quantifier-free) to 323 known predicates. - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 1,while PredicateComparison was comparing new predicate (quantifier-free) to 323 known predicates. - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 1,while PredicateComparison was comparing new predicate (quantifier-free) to 323 known predicates. - TimeoutResultAtElement [Line: 1682]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1682). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 1,while PredicateComparison was comparing new predicate (quantifier-free) to 323 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 130 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 259.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 944 SDtfs, 1436 SDslu, 4586 SDs, 0 SdLazy, 1091 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 351 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9009occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 3006 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown