/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:39:45,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:39:45,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:39:45,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:39:45,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:39:45,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:39:45,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:39:45,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:39:45,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:39:45,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:39:45,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:39:45,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:39:45,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:39:45,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:39:45,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:39:45,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:39:45,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:39:45,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:39:45,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:39:45,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:39:45,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:39:45,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:39:45,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:39:45,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:39:45,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:39:45,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:39:45,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:39:45,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:39:45,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:39:45,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:39:45,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:39:45,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:39:45,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:39:45,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:39:45,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:39:45,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:39:45,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:39:45,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:39:45,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:39:45,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:39:45,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:39:45,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 12:39:45,908 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:39:45,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:39:45,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:39:45,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:39:45,913 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:39:45,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:39:45,914 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:39:45,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:39:45,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:39:45,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:39:45,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:39:45,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:39:45,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:39:45,918 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:39:45,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:39:45,919 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:39:45,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:39:45,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:39:45,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:39:45,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:39:45,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:39:45,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:39:45,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:39:45,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:39:45,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:39:45,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:39:45,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:39:45,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:39:45,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:39:45,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:39:46,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:39:46,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:39:46,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:39:46,432 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:39:46,433 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:39:46,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2020-10-29 12:39:46,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3a807f24/a90769e157f74f84b4758028aed5fc2b/FLAGfa4bd20c7 [2020-10-29 12:39:47,163 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:39:47,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2020-10-29 12:39:47,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3a807f24/a90769e157f74f84b4758028aed5fc2b/FLAGfa4bd20c7 [2020-10-29 12:39:47,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3a807f24/a90769e157f74f84b4758028aed5fc2b [2020-10-29 12:39:47,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:39:47,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:39:47,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:39:47,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:39:47,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:39:47,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:39:47" (1/1) ... [2020-10-29 12:39:47,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11efd914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47, skipping insertion in model container [2020-10-29 12:39:47,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:39:47" (1/1) ... [2020-10-29 12:39:47,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:39:47,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:39:47,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:39:47,826 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:39:47,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:39:47,934 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:39:47,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47 WrapperNode [2020-10-29 12:39:47,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:39:47,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:39:47,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:39:47,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:39:47,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47" (1/1) ... [2020-10-29 12:39:47,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47" (1/1) ... [2020-10-29 12:39:47,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47" (1/1) ... [2020-10-29 12:39:47,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47" (1/1) ... [2020-10-29 12:39:48,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47" (1/1) ... [2020-10-29 12:39:48,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47" (1/1) ... [2020-10-29 12:39:48,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47" (1/1) ... [2020-10-29 12:39:48,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:39:48,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:39:48,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:39:48,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:39:48,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-29 12:39:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:39:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:39:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:39:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 12:39:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-29 12:39:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-29 12:39:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-29 12:39:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-29 12:39:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-29 12:39:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-29 12:39:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-29 12:39:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-29 12:39:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:39:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-29 12:39:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:39:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:39:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:39:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:39:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 12:39:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-29 12:39:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-29 12:39:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 12:39:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-29 12:39:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-29 12:39:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-29 12:39:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-29 12:39:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-29 12:39:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-29 12:39:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-29 12:39:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-29 12:39:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-29 12:39:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-29 12:39:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:39:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:39:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:39:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:39:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:39:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:39:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:39:49,455 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:39:49,455 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 12:39:49,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:39:49 BoogieIcfgContainer [2020-10-29 12:39:49,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:39:49,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:39:49,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:39:49,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:39:49,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:39:47" (1/3) ... [2020-10-29 12:39:49,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c22a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:39:49, skipping insertion in model container [2020-10-29 12:39:49,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:39:47" (2/3) ... [2020-10-29 12:39:49,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c22a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:39:49, skipping insertion in model container [2020-10-29 12:39:49,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:39:49" (3/3) ... [2020-10-29 12:39:49,469 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2020-10-29 12:39:49,483 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:39:49,489 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:39:49,504 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:39:49,535 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:39:49,536 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:39:49,536 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:39:49,536 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:39:49,536 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:39:49,536 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:39:49,536 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:39:49,537 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:39:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-10-29 12:39:49,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-29 12:39:49,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:39:49,575 INFO L422 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] [2020-10-29 12:39:49,576 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:39:49,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:39:49,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1830644056, now seen corresponding path program 1 times [2020-10-29 12:39:49,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:39:49,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702050923] [2020-10-29 12:39:49,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:39:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:50,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:50,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:50,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 12:39:50,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:50,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 547 [2020-10-29 12:39:50,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:50,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:39:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:50,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:39:51,276 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-29 12:39:51,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:39:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:51,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:51,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:51,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:39:51,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:51,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:39:51,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:51,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:39:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:51,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:39:51,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:39:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:51,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:51,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:51,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:39:51,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:51,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:39:51,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:51,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:39:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:51,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:39:51,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 12:39:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:51,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:51,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:51,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:39:51,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:51,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:39:51,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:51,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:51,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:51,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 12:39:51,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:51,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:39:51,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 12:39:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:51,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:51,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:51,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:51,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:51,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:39:51,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:51,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:51,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:51,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 12:39:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:51,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:51,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:51,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:51,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:51,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:39:51,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:51,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:51,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:51,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 12:39:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:51,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:51,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:51,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:51,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:51,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:39:51,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:51,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:51,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:51,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:39:51,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 12:39:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:51,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:51,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:51,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:51,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:51,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:39:51,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:51,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:51,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:51,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:51,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:51,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:51,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 12:39:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:51,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:51,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:51,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:51,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:51,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:39:51,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:51,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:51,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:51,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:51,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:51,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:51,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:39:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:51,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:51,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:51,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:51,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:51,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:39:51,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:51,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:51,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:51,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 12:39:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:51,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:51,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:51,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:39:51,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:39:51,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:51,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:39:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:39:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:39:51,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702050923] [2020-10-29 12:39:51,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:39:51,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 12:39:51,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706326079] [2020-10-29 12:39:51,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:39:51,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:39:51,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:39:51,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:39:51,820 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 9 states. [2020-10-29 12:39:52,409 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-29 12:39:53,076 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-29 12:39:54,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:39:54,187 INFO L93 Difference]: Finished difference Result 325 states and 487 transitions. [2020-10-29 12:39:54,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:39:54,189 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-10-29 12:39:54,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:39:54,203 INFO L225 Difference]: With dead ends: 325 [2020-10-29 12:39:54,203 INFO L226 Difference]: Without dead ends: 187 [2020-10-29 12:39:54,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:39:54,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-29 12:39:54,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2020-10-29 12:39:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-29 12:39:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 279 transitions. [2020-10-29 12:39:54,282 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 279 transitions. Word has length 75 [2020-10-29 12:39:54,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:39:54,283 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 279 transitions. [2020-10-29 12:39:54,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:39:54,283 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 279 transitions. [2020-10-29 12:39:54,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-29 12:39:54,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:39:54,287 INFO L422 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] [2020-10-29 12:39:54,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:39:54,288 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:39:54,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:39:54,291 INFO L82 PathProgramCache]: Analyzing trace with hash 2032467990, now seen corresponding path program 1 times [2020-10-29 12:39:54,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:39:54,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999109802] [2020-10-29 12:39:54,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:39:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:54,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:55,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:55,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 12:39:55,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:55,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 923 [2020-10-29 12:39:55,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:55,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:39:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:39:55,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:39:55,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:55,614 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-29 12:39:55,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:39:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:55,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:55,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:55,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:39:55,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:55,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:39:55,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:55,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:39:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:55,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:55,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:39:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:55,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:55,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:55,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:39:55,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:55,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:39:55,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:55,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:55,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:39:55,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:39:55,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:39:55,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:55,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 12:39:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:55,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:55,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:55,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:39:55,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:55,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:39:55,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:55,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:39:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:39:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:39:55,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:55,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 12:39:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:55,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:55,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:55,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:55,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:55,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:39:55,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:55,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:55,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:55,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:55,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 12:39:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:55,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:55,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:55,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:55,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:55,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:39:55,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:55,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:55,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:55,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:55,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:55,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:55,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 12:39:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:55,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:55,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:55,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:55,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:55,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:39:55,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:55,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:55,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:55,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:55,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:55,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:55,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 12:39:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:55,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:55,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:55,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:55,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:55,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:39:55,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:55,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:55,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:55,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 12:39:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:55,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:55,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:55,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:55,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:55,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:39:55,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:55,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:55,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:55,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:55,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:56,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:39:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:56,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:56,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:56,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:39:56,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:56,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:39:56,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:56,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:56,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:56,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:39:56,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:56,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:56,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 12:39:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:39:56,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:39:56,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:39:56,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:39:56,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:39:56,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:39:56,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:39:56,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:39:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:39:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:39:56,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:39:56,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:39:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:39:56,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999109802] [2020-10-29 12:39:56,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:39:56,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-29 12:39:56,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664887206] [2020-10-29 12:39:56,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 12:39:56,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:39:56,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 12:39:56,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:39:56,089 INFO L87 Difference]: Start difference. First operand 181 states and 279 transitions. Second operand 15 states. [2020-10-29 12:39:56,427 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-29 12:39:56,753 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-29 12:39:57,196 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-29 12:39:57,544 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-29 12:40:00,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:40:00,392 INFO L93 Difference]: Finished difference Result 327 states and 491 transitions. [2020-10-29 12:40:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 12:40:00,393 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 75 [2020-10-29 12:40:00,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:40:00,398 INFO L225 Difference]: With dead ends: 327 [2020-10-29 12:40:00,398 INFO L226 Difference]: Without dead ends: 199 [2020-10-29 12:40:00,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-29 12:40:00,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-10-29 12:40:00,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 181. [2020-10-29 12:40:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-29 12:40:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 238 transitions. [2020-10-29 12:40:00,437 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 238 transitions. Word has length 75 [2020-10-29 12:40:00,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:40:00,437 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 238 transitions. [2020-10-29 12:40:00,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 12:40:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 238 transitions. [2020-10-29 12:40:00,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-29 12:40:00,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:40:00,442 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:40:00,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:40:00,443 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:40:00,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:40:00,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1501893344, now seen corresponding path program 1 times [2020-10-29 12:40:00,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:40:00,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [598374333] [2020-10-29 12:40:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:40:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:00,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:00,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:00,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:00,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:01,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:05,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:05,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-29 12:40:05,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:40:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:40:05,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:05,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:05,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:40:05,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:40:05,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:40:05,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:40:05,884 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-29 12:40:05,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:40:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:05,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:05,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:05,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:40:05,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:40:05,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:05,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:40:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:40:05,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:40:05,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:40:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:05,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:05,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:05,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 12:40:05,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:05,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 12:40:05,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:05,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:05,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:05,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:05,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 12:40:05,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:40:06,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 12:40:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:06,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:06,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:06,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:40:06,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:06,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:40:06,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:06,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:40:06,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:06,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 12:40:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:06,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:06,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:06,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:06,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:40:06,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:06,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:40:06,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:06,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 12:40:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:06,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:06,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:06,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:06,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:06,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:40:06,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:06,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:06,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:40:06,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:40:06,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:40:06,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:06,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 12:40:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:06,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:06,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:06,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:06,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:06,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:40:06,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:06,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:06,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:40:06,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:40:06,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:40:06,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:40:06,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 12:40:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:06,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:06,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:06,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:06,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:06,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:40:06,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:06,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:06,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:40:06,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:40:06,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:40:06,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:06,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 12:40:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:06,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:06,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:06,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:06,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:06,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:40:06,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:06,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:40:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:40:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:40:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:40:06,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 12:40:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:06,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:06,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:06,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:06,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:06,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:40:06,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:06,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:06,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:40:06,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:40:06,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:40:06,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:40:06,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 12:40:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:06,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:06,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:06,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:40:06,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:06,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:40:06,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:06,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:40:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:40:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:40:06,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:40:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:40:06,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [598374333] [2020-10-29 12:40:06,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:40:06,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 12:40:06,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644075377] [2020-10-29 12:40:06,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:40:06,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:40:06,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:40:06,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:40:06,392 INFO L87 Difference]: Start difference. First operand 181 states and 238 transitions. Second operand 12 states. [2020-10-29 12:40:06,710 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-29 12:40:10,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:40:10,269 INFO L93 Difference]: Finished difference Result 424 states and 589 transitions. [2020-10-29 12:40:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:40:10,270 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2020-10-29 12:40:10,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:40:10,275 INFO L225 Difference]: With dead ends: 424 [2020-10-29 12:40:10,275 INFO L226 Difference]: Without dead ends: 302 [2020-10-29 12:40:10,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:40:10,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-29 12:40:10,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 288. [2020-10-29 12:40:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-10-29 12:40:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 395 transitions. [2020-10-29 12:40:10,320 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 395 transitions. Word has length 115 [2020-10-29 12:40:10,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:40:10,320 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 395 transitions. [2020-10-29 12:40:10,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:40:10,320 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 395 transitions. [2020-10-29 12:40:10,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 12:40:10,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:40:10,324 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:40:10,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:40:10,325 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:40:10,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:40:10,325 INFO L82 PathProgramCache]: Analyzing trace with hash -264941078, now seen corresponding path program 1 times [2020-10-29 12:40:10,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:40:10,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1103762587] [2020-10-29 12:40:10,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:40:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:10,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:10,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:10,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:10,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:13,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:13,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:15,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:15,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:40:15,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:40:15,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:40:15,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:15,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:15,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:40:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 12:40:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 12:40:15,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:15,702 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-29 12:40:15,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:40:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:15,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:15,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:15,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:40:15,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:15,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:40:15,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:15,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:15,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:40:15,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:15,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:40:15,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:15,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:40:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:15,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:15,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:15,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 12:40:15,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:15,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 12:40:15,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:15,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 12:40:15,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:15,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 12:40:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:15,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:15,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:15,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:40:15,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:15,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:40:15,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:15,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:15,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:15,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:15,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:40:15,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:15,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 12:40:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:15,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:15,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:15,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:15,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:15,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:40:15,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:15,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:15,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:15,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:15,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:40:15,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:15,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 12:40:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:15,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:15,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:15,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:40:15,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:15,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:40:15,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:15,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:15,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:15,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:15,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:40:15,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:15,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 12:40:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:15,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:15,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:15,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:15,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:40:15,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:15,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:40:15,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:15,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 12:40:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:15,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:15,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:15,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:15,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:15,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:40:15,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:15,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:15,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:15,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:15,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:40:15,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:15,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 12:40:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:15,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:15,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:15,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:15,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:15,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:40:15,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:15,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:40:15,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:16,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 12:40:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:16,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:16,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:16,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:16,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:16,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:40:16,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:16,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:40:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:40:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:40:16,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:16,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 12:40:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:16,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:16,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:16,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:40:16,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:16,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:40:16,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:16,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:40:16,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:40:16,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:40:16,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:40:16,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1103762587] [2020-10-29 12:40:16,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:40:16,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 12:40:16,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957271546] [2020-10-29 12:40:16,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:40:16,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:40:16,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:40:16,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:40:16,108 INFO L87 Difference]: Start difference. First operand 288 states and 395 transitions. Second operand 12 states. [2020-10-29 12:40:16,423 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-29 12:40:20,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:40:20,093 INFO L93 Difference]: Finished difference Result 742 states and 1051 transitions. [2020-10-29 12:40:20,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:40:20,094 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-10-29 12:40:20,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:40:20,100 INFO L225 Difference]: With dead ends: 742 [2020-10-29 12:40:20,101 INFO L226 Difference]: Without dead ends: 513 [2020-10-29 12:40:20,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:40:20,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2020-10-29 12:40:20,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 490. [2020-10-29 12:40:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-10-29 12:40:20,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 689 transitions. [2020-10-29 12:40:20,180 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 689 transitions. Word has length 116 [2020-10-29 12:40:20,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:40:20,181 INFO L481 AbstractCegarLoop]: Abstraction has 490 states and 689 transitions. [2020-10-29 12:40:20,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:40:20,181 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 689 transitions. [2020-10-29 12:40:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-29 12:40:20,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:40:20,184 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:40:20,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:40:20,184 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:40:20,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:40:20,185 INFO L82 PathProgramCache]: Analyzing trace with hash -590555754, now seen corresponding path program 1 times [2020-10-29 12:40:20,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:40:20,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [94924729] [2020-10-29 12:40:20,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:40:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:20,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:20,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:20,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:20,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:22,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:25,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:25,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 12:40:25,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:40:25,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:40:25,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:25,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:25,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:40:25,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:40:25,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-29 12:40:25,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:25,710 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-29 12:40:25,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:40:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:25,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:25,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:25,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:40:25,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:25,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:40:25,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:25,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:40:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:40:25,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:25,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:40:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:25,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:25,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:25,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 12:40:25,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:25,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 12:40:25,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:25,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:40:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:40:25,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:26,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 12:40:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:26,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:26,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:26,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:40:26,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:26,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:40:26,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:26,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:40:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:40:26,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:26,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 12:40:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:26,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:26,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:26,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:26,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:26,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:40:26,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:26,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:40:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:40:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:40:26,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:26,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 12:40:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:26,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:26,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:26,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:40:26,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:40:26,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:26,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:40:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:40:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 12:40:26,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:26,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 12:40:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:26,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:26,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:26,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:26,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:26,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:40:26,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:26,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:26,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:40:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:40:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:40:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:26,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 12:40:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:26,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:26,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:26,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:26,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:26,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:40:26,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:26,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:40:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:40:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:40:26,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:26,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 12:40:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:26,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:26,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:26,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:40:26,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:40:26,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:26,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:40:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:40:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:40:26,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:26,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 12:40:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:26,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:26,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:26,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:40:26,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:26,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:40:26,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:26,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:26,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:40:26,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:40:26,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 12:40:26,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:26,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 12:40:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:26,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:26,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:40:26,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:40:26,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:40:26,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:40:26,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:40:26,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:40:26,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:40:26,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 12:40:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:40:26,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:40:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:40:26,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [94924729] [2020-10-29 12:40:26,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:40:26,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-10-29 12:40:26,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075011680] [2020-10-29 12:40:26,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-29 12:40:26,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:40:26,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-29 12:40:26,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2020-10-29 12:40:26,610 INFO L87 Difference]: Start difference. First operand 490 states and 689 transitions. Second operand 22 states. [2020-10-29 12:40:27,036 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-29 12:40:27,386 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-29 12:40:27,712 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-29 12:40:28,065 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-29 12:40:28,454 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-29 12:40:28,832 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-29 12:40:29,191 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:40:29,604 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:29,992 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:30,746 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:31,819 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:40:32,167 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:40:32,308 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:40:33,471 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:34,638 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-29 12:40:34,981 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-29 12:40:35,350 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-29 12:40:35,753 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-29 12:40:37,280 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:40:37,438 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:40:37,998 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:40:39,158 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:40:39,305 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:39,468 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:40:39,795 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:40:39,962 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:40:41,236 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 12:40:41,471 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:40:41,619 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:41,787 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:40:42,246 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-29 12:40:42,548 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:40:44,078 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:40:44,217 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:44,364 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:40:46,117 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:40:46,353 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 12:40:46,534 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 12:40:46,756 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:40:46,997 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-29 12:40:47,168 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:40:48,618 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:40:48,780 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:48,955 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:40:49,551 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:40:50,528 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:40:51,530 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-29 12:40:52,491 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:52,775 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:40:53,346 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:40:53,520 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:54,168 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:40:54,311 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:54,722 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:40:54,873 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:55,291 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:40:55,424 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:40:55,669 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:56,019 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:40:56,172 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:40:59,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:40:59,053 INFO L93 Difference]: Finished difference Result 6935 states and 10383 transitions. [2020-10-29 12:40:59,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2020-10-29 12:40:59,054 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 117 [2020-10-29 12:40:59,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:40:59,107 INFO L225 Difference]: With dead ends: 6935 [2020-10-29 12:40:59,107 INFO L226 Difference]: Without dead ends: 6504 [2020-10-29 12:40:59,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8835 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=3941, Invalid=19315, Unknown=0, NotChecked=0, Total=23256 [2020-10-29 12:40:59,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6504 states. [2020-10-29 12:40:59,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6504 to 5824. [2020-10-29 12:40:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5824 states. [2020-10-29 12:40:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5824 states to 5824 states and 8545 transitions. [2020-10-29 12:40:59,691 INFO L78 Accepts]: Start accepts. Automaton has 5824 states and 8545 transitions. Word has length 117 [2020-10-29 12:40:59,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:40:59,692 INFO L481 AbstractCegarLoop]: Abstraction has 5824 states and 8545 transitions. [2020-10-29 12:40:59,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-29 12:40:59,692 INFO L276 IsEmpty]: Start isEmpty. Operand 5824 states and 8545 transitions. [2020-10-29 12:40:59,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-29 12:40:59,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:40:59,696 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:40:59,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:40:59,696 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:40:59,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:40:59,697 INFO L82 PathProgramCache]: Analyzing trace with hash -349661058, now seen corresponding path program 1 times [2020-10-29 12:40:59,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:40:59,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140409685] [2020-10-29 12:40:59,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:40:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:40:59,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:59,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:59,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:40:59,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:00,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:04,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:04,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 12:41:04,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:41:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 12:41:04,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:04,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:41:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 12:41:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 12:41:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:41:05,165 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-29 12:41:05,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:41:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:05,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:05,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:05,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:41:05,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:05,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:41:05,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:05,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:05,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:05,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:05,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:05,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:05,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:41:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:05,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:05,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:05,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 12:41:05,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:05,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:41:05,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:05,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:05,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:05,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:41:05,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:05,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 12:41:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:05,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:05,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:05,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:41:05,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:05,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:05,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:05,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:05,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:05,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:05,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:41:05,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:05,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 12:41:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:05,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:05,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:05,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:05,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:05,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:41:05,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:05,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:41:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:41:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:41:05,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:05,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 12:41:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:05,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:05,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:05,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:05,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:05,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:05,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:05,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 12:41:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:05,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:05,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 12:41:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:05,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:05,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:05,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:05,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:05,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:05,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:05,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:05,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:05,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 12:41:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:05,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:05,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:05,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:05,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:05,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:41:05,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:05,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:05,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:05,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:05,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:05,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:05,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 12:41:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:05,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:05,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:05,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:05,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:05,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:05,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:05,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:05,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:05,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 12:41:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:05,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:05,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:05,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:05,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:05,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:05,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 12:41:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:05,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 12:41:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:05,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:05,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:05,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:05,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:05,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:41:05,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:05,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:05,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:41:05,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140409685] [2020-10-29 12:41:05,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:41:05,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 12:41:05,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352462421] [2020-10-29 12:41:05,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:41:05,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:41:05,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:41:05,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:41:05,555 INFO L87 Difference]: Start difference. First operand 5824 states and 8545 transitions. Second operand 12 states. [2020-10-29 12:41:05,898 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-29 12:41:09,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:41:09,983 INFO L93 Difference]: Finished difference Result 17174 states and 25033 transitions. [2020-10-29 12:41:09,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:41:09,984 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-29 12:41:09,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:41:10,049 INFO L225 Difference]: With dead ends: 17174 [2020-10-29 12:41:10,049 INFO L226 Difference]: Without dead ends: 11409 [2020-10-29 12:41:10,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:41:10,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11409 states. [2020-10-29 12:41:11,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11409 to 10938. [2020-10-29 12:41:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10938 states. [2020-10-29 12:41:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10938 states to 10938 states and 15921 transitions. [2020-10-29 12:41:11,042 INFO L78 Accepts]: Start accepts. Automaton has 10938 states and 15921 transitions. Word has length 118 [2020-10-29 12:41:11,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:41:11,042 INFO L481 AbstractCegarLoop]: Abstraction has 10938 states and 15921 transitions. [2020-10-29 12:41:11,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:41:11,043 INFO L276 IsEmpty]: Start isEmpty. Operand 10938 states and 15921 transitions. [2020-10-29 12:41:11,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-29 12:41:11,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:41:11,045 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:41:11,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:41:11,045 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:41:11,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:41:11,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1351948066, now seen corresponding path program 1 times [2020-10-29 12:41:11,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:41:11,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471727618] [2020-10-29 12:41:11,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:41:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:11,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:11,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:11,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:11,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 12:41:16,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:41:16,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 12:41:16,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:41:16,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-29 12:41:16,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-29 12:41:16,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,445 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-29 12:41:16,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:41:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:16,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:41:16,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:16,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:41:16,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:16,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:16,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:16,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:41:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:16,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 12:41:16,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:16,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:41:16,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:16,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:16,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:41:16,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 12:41:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:16,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:41:16,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:16,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:41:16,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:41:16,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 12:41:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:16,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:16,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:16,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:41:16,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:16,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:16,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:16,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 12:41:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:16,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:16,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:41:16,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 12:41:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:16,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:16,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:16,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:41:16,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:41:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:41:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:41:16,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 12:41:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:16,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:16,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:16,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:16,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:16,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 12:41:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:16,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:16,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:16,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:16,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:16,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:16,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:16,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 12:41:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:16,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:16,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:16,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:16,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:16,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 12:41:16,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:16,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 12:41:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:16,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:16,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:16,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:16,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:16,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:41:16,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:16,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:16,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:41:16,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471727618] [2020-10-29 12:41:16,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:41:16,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 12:41:16,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246688307] [2020-10-29 12:41:16,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:41:16,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:41:16,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:41:16,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:41:16,794 INFO L87 Difference]: Start difference. First operand 10938 states and 15921 transitions. Second operand 12 states. [2020-10-29 12:41:17,102 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-29 12:41:19,598 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:41:21,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:41:21,876 INFO L93 Difference]: Finished difference Result 32208 states and 46557 transitions. [2020-10-29 12:41:21,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:41:21,877 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 119 [2020-10-29 12:41:21,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:41:21,975 INFO L225 Difference]: With dead ends: 32208 [2020-10-29 12:41:21,975 INFO L226 Difference]: Without dead ends: 21329 [2020-10-29 12:41:22,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:41:22,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21329 states. [2020-10-29 12:41:23,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21329 to 20494. [2020-10-29 12:41:23,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20494 states. [2020-10-29 12:41:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20494 states to 20494 states and 29549 transitions. [2020-10-29 12:41:23,663 INFO L78 Accepts]: Start accepts. Automaton has 20494 states and 29549 transitions. Word has length 119 [2020-10-29 12:41:23,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:41:23,664 INFO L481 AbstractCegarLoop]: Abstraction has 20494 states and 29549 transitions. [2020-10-29 12:41:23,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:41:23,664 INFO L276 IsEmpty]: Start isEmpty. Operand 20494 states and 29549 transitions. [2020-10-29 12:41:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 12:41:23,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:41:23,666 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:41:23,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:41:23,666 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:41:23,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:41:23,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1759314888, now seen corresponding path program 1 times [2020-10-29 12:41:23,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:41:23,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [818485643] [2020-10-29 12:41:23,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:41:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:23,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:23,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:23,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:27,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:27,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 12:41:27,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:41:27,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4154 [2020-10-29 12:41:27,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:27,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:41:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-29 12:41:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 12:41:27,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:28,284 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-29 12:41:28,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:41:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:28,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:28,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:28,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:41:28,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:28,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:41:28,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:28,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:41:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:28,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:28,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:28,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 12:41:28,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:28,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 12:41:28,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:28,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:41:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:28,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 12:41:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:28,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:28,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:28,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:41:28,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:28,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:28,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:28,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:41:28,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:28,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 12:41:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:28,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:28,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:28,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:28,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:41:28,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:28,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:28,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:28,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 12:41:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:28,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:28,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:28,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:28,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:28,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:41:28,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:28,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:28,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:28,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:41:28,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 12:41:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:28,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:28,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:28,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:28,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:28,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:41:28,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:28,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:28,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 12:41:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:28,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:28,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:28,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:28,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:28,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:41:28,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:28,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:41:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:41:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:41:28,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:28,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 12:41:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:28,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:28,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:28,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:28,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:28,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:28,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:28,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:28,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:28,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:28,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 12:41:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:28,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:28,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:28,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:28,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:28,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:41:28,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:28,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:28,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:28,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 12:41:28,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:28,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:28,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 12:41:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:28,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:28,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:28,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:28,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:41:28,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:28,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:28,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:41:28,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [818485643] [2020-10-29 12:41:28,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:41:28,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 12:41:28,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827705964] [2020-10-29 12:41:28,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:41:28,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:41:28,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:41:28,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:41:28,698 INFO L87 Difference]: Start difference. First operand 20494 states and 29549 transitions. Second operand 12 states. [2020-10-29 12:41:29,115 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-29 12:41:32,027 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:41:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:41:34,558 INFO L93 Difference]: Finished difference Result 60084 states and 86081 transitions. [2020-10-29 12:41:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:41:34,558 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-10-29 12:41:34,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:41:34,713 INFO L225 Difference]: With dead ends: 60084 [2020-10-29 12:41:34,713 INFO L226 Difference]: Without dead ends: 39649 [2020-10-29 12:41:34,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:41:34,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39649 states. [2020-10-29 12:41:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39649 to 38190. [2020-10-29 12:41:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38190 states. [2020-10-29 12:41:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38190 states to 38190 states and 54509 transitions. [2020-10-29 12:41:37,359 INFO L78 Accepts]: Start accepts. Automaton has 38190 states and 54509 transitions. Word has length 120 [2020-10-29 12:41:37,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:41:37,359 INFO L481 AbstractCegarLoop]: Abstraction has 38190 states and 54509 transitions. [2020-10-29 12:41:37,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:41:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 38190 states and 54509 transitions. [2020-10-29 12:41:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 12:41:37,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:41:37,361 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:41:37,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:41:37,362 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:41:37,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:41:37,362 INFO L82 PathProgramCache]: Analyzing trace with hash -914476250, now seen corresponding path program 1 times [2020-10-29 12:41:37,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:41:37,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946467681] [2020-10-29 12:41:37,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:41:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:37,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:37,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:38,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:38,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-29 12:41:38,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:41:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 980 [2020-10-29 12:41:38,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:38,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:41:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-29 12:41:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:41:38,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:39,000 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-29 12:41:39,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:41:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:39,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:39,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:39,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:41:39,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:39,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:41:39,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:39,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:39,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:39,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:41:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:39,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:39,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:39,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 12:41:39,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:39,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:41:39,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:39,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:41:39,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:41:39,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 12:41:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:39,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:39,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:39,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:41:39,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:39,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:39,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:39,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:41:39,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 12:41:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:39,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:39,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:39,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:39,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:39,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:41:39,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:39,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:39,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:41:39,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 12:41:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:39,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:39,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:39,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:39,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:39,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:41:39,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:39,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:39,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:39,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:39,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:39,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:39,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 12:41:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:39,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:39,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:39,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:39,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:39,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:41:39,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:39,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:39,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:39,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:39,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:39,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:39,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 12:41:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:39,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:39,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:39,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:39,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:41:39,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:39,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:39,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:39,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 12:41:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:39,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:39,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:39,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:39,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:39,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:41:39,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:39,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:39,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:41:39,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:41:39,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:41:39,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:39,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 12:41:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:39,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:39,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:39,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:39,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:41:39,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:39,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:39,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:39,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 12:41:39,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:39,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:39,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 12:41:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:39,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:39,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:39,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:39,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:39,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:41:39,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:39,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:39,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:39,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:41:39,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946467681] [2020-10-29 12:41:39,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:41:39,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 12:41:39,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533392894] [2020-10-29 12:41:39,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:41:39,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:41:39,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:41:39,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:41:39,480 INFO L87 Difference]: Start difference. First operand 38190 states and 54509 transitions. Second operand 12 states. [2020-10-29 12:41:39,849 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-29 12:41:42,724 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:41:47,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:41:47,189 INFO L93 Difference]: Finished difference Result 111380 states and 158033 transitions. [2020-10-29 12:41:47,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:41:47,189 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 121 [2020-10-29 12:41:47,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:41:47,516 INFO L225 Difference]: With dead ends: 111380 [2020-10-29 12:41:47,517 INFO L226 Difference]: Without dead ends: 73249 [2020-10-29 12:41:47,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:41:47,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73249 states. [2020-10-29 12:41:52,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73249 to 70750. [2020-10-29 12:41:52,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70750 states. [2020-10-29 12:41:53,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70750 states to 70750 states and 99837 transitions. [2020-10-29 12:41:53,040 INFO L78 Accepts]: Start accepts. Automaton has 70750 states and 99837 transitions. Word has length 121 [2020-10-29 12:41:53,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:41:53,041 INFO L481 AbstractCegarLoop]: Abstraction has 70750 states and 99837 transitions. [2020-10-29 12:41:53,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:41:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 70750 states and 99837 transitions. [2020-10-29 12:41:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 12:41:53,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:41:53,043 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:41:53,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:41:53,043 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:41:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:41:53,044 INFO L82 PathProgramCache]: Analyzing trace with hash -2111337126, now seen corresponding path program 1 times [2020-10-29 12:41:53,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:41:53,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985301796] [2020-10-29 12:41:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:41:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:53,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:53,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:54,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:54,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-29 12:41:54,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:41:54,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1624 [2020-10-29 12:41:54,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:54,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:54,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:41:54,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:41:54,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-29 12:41:54,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,112 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-29 12:41:55,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:41:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:55,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:55,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:55,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:41:55,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:55,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:41:55,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:55,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:55,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:55,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:41:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:55,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:55,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:55,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 12:41:55,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:55,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:41:55,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:55,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:55,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:55,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:55,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 12:41:55,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 12:41:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:55,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:55,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:55,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:41:55,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:55,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:41:55,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:55,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:55,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:55,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:55,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:41:55,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 12:41:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:55,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:55,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:55,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:55,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:41:55,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:55,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:41:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 12:41:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:55,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:55,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:55,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:55,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:55,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:41:55,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:55,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:41:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:55,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 12:41:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:55,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:55,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:55,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:55,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:55,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:41:55,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:55,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:41:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 12:41:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:55,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:55,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:55,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:55,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:55,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:41:55,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:55,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:41:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:55,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 12:41:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:55,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:55,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:55,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:55,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:55,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:41:55,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:55,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:41:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:41:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:41:55,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 12:41:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:55,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:55,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:55,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:41:55,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:55,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:41:55,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:55,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:55,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:41:55,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 12:41:55,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:41:55,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 12:41:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:41:55,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:41:55,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:41:55,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:41:55,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:41:55,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:41:55,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:41:55,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:41:55,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:41:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:41:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:41:55,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:41:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:41:55,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985301796] [2020-10-29 12:41:55,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:41:55,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-29 12:41:55,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126449578] [2020-10-29 12:41:55,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-29 12:41:55,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:41:55,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-29 12:41:55,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:41:55,784 INFO L87 Difference]: Start difference. First operand 70750 states and 99837 transitions. Second operand 21 states. [2020-10-29 12:41:56,242 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:41:56,640 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 12:41:57,652 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:41:57,837 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:41:57,982 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 12:41:58,552 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:41:58,931 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:41:59,305 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:41:59,508 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-29 12:41:59,671 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:41:59,812 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:41:59,962 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:42:00,637 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 12:42:01,033 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:01,414 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:01,853 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:02,227 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:02,640 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:03,037 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-29 12:42:03,199 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 12:42:03,375 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-29 12:42:03,550 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-29 12:42:03,699 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 12:42:03,884 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-29 12:42:04,032 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 12:42:04,186 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 12:42:05,291 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 12:42:05,704 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 12:42:06,103 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 12:42:06,544 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 12:42:06,950 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 12:42:07,358 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 12:42:07,758 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 12:42:08,182 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 12:42:08,572 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-29 12:42:08,972 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 12:42:09,365 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-29 12:42:09,519 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 12:42:09,696 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 12:42:10,162 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 12:42:10,555 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-29 12:42:10,707 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 12:42:10,876 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-29 12:42:11,289 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-29 12:42:11,681 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-29 12:42:11,854 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 12:42:12,027 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-29 12:42:12,186 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 12:42:12,351 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-29 12:42:12,530 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-29 12:42:12,688 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 12:42:12,844 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-29 12:42:13,002 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 12:42:13,254 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-29 12:42:13,414 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 12:42:13,652 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 12:42:13,814 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:42:15,314 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 12:42:15,768 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:16,174 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 12:42:16,611 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:17,034 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 12:42:17,436 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:17,863 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 12:42:18,271 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:18,696 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 12:42:19,119 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:19,543 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:19,944 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:20,363 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:20,764 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:21,185 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:21,343 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 12:42:21,518 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 12:42:21,960 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:22,373 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:22,782 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:23,197 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:23,593 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:24,009 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:24,171 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:24,360 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 12:42:24,772 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:25,188 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:25,585 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:26,001 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:26,411 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:26,812 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:26,985 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:27,167 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 12:42:27,319 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:27,493 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 12:42:27,662 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:27,890 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 12:42:28,293 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:28,703 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:28,869 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:42:29,046 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:29,199 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:42:29,368 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:29,517 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:42:29,693 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:30,095 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-29 12:42:30,513 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:30,772 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:42:30,949 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:31,120 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:42:31,323 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:31,478 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:42:31,667 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:31,931 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:42:32,089 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:42:32,252 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:42:32,413 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:42:32,582 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:42:32,736 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:42:33,185 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:42:33,349 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:42:34,009 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:42:36,718 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:37,151 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 12:42:37,659 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:38,095 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 12:42:38,558 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:39,005 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 12:42:39,451 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:39,903 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 12:42:40,369 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 12:42:40,829 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 12:42:41,290 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:41,736 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:42,199 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:42,653 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:43,096 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:43,541 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:43,988 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:44,454 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:44,665 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 12:42:45,084 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:45,500 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:45,956 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:46,391 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:46,852 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:47,304 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:47,744 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:48,187 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:48,642 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:49,085 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:49,530 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 12:42:49,974 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 12:42:50,159 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:50,342 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-29 12:42:50,791 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:51,268 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:51,745 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:52,205 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:52,682 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:53,147 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:53,619 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:54,073 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:54,540 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:55,007 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:55,481 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:55,946 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:56,143 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:56,347 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-29 12:42:56,543 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:56,757 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-29 12:42:56,957 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:57,164 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-29 12:42:57,621 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:58,067 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:58,281 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 12:42:58,502 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-29 12:42:58,953 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:42:59,380 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:42:59,855 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:43:00,305 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:43:00,768 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-29 12:43:01,241 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-29 12:43:01,423 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:43:01,628 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:43:01,827 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:43:02,017 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:43:02,183 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:43:02,378 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:43:02,799 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-29 12:43:03,214 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-29 12:43:03,393 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:43:03,592 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:43:04,030 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-29 12:43:04,478 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-29 12:43:04,930 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-29 12:43:05,388 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-29 12:43:05,867 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-29 12:43:06,365 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-29 12:43:06,589 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:43:06,780 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:43:06,978 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:43:07,176 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:43:07,378 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:43:07,582 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:43:07,759 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:43:07,957 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:43:08,160 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:43:08,357 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:43:08,554 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-29 12:43:08,757 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 12:43:09,231 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-29 12:43:09,678 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-29 12:43:09,968 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:43:10,145 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:43:10,342 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:43:10,512 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:43:10,715 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:43:10,899 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:43:11,085 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:43:11,261 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:43:11,452 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:43:11,628 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:43:11,797 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:43:11,972 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:43:12,439 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-29 12:43:12,877 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-29 12:43:13,362 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:43:13,527 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:43:13,809 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:43:13,974 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:43:14,154 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:43:14,313 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:43:14,497 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:43:14,669 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 12:43:15,258 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:43:15,449 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 12:43:15,772 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:43:15,980 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 12:43:16,193 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:43:16,374 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 12:43:16,583 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:43:16,771 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 12:43:17,925 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:43:18,111 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 12:43:19,339 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:43:19,555 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 91