/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_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:52:22,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:52:22,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:52:22,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:52:22,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:52:22,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:52:22,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:52:22,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:52:22,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:52:22,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:52:22,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:52:22,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:52:22,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:52:22,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:52:22,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:52:22,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:52:22,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:52:22,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:52:22,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:52:22,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:52:22,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:52:22,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:52:22,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:52:22,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:52:22,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:52:22,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:52:22,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:52:22,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:52:22,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:52:22,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:52:22,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:52:22,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:52:22,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:52:22,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:52:22,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:52:22,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:52:22,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:52:22,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:52:22,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:52:22,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:52:22,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:52:22,796 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 12:52:22,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:52:22,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:52:22,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:52:22,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:52:22,825 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:52:22,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:52:22,825 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:52:22,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:52:22,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:52:22,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:52:22,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:52:22,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:52:22,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:52:22,827 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:52:22,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:52:22,827 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:52:22,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:52:22,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:52:22,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:52:22,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:52:22,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:52:22,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:52:22,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:52:22,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:52:22,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:52:22,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:52:22,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:52:22,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:52:22,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:52:22,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:52:23,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:52:23,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:52:23,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:52:23,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:52:23,256 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:52:23,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c [2020-10-29 12:52:23,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6cfe9232/29994433fbca498ca394ada95ac8a3a1/FLAG3e232102e [2020-10-29 12:52:23,966 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:52:23,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c [2020-10-29 12:52:23,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6cfe9232/29994433fbca498ca394ada95ac8a3a1/FLAG3e232102e [2020-10-29 12:52:24,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6cfe9232/29994433fbca498ca394ada95ac8a3a1 [2020-10-29 12:52:24,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:52:24,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:52:24,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:52:24,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:52:24,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:52:24,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:52:24" (1/1) ... [2020-10-29 12:52:24,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475f0309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24, skipping insertion in model container [2020-10-29 12:52:24,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:52:24" (1/1) ... [2020-10-29 12:52:24,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:52:24,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:52:24,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:52:24,640 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:52:24,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:52:24,772 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:52:24,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24 WrapperNode [2020-10-29 12:52:24,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:52:24,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:52:24,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:52:24,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:52:24,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24" (1/1) ... [2020-10-29 12:52:24,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24" (1/1) ... [2020-10-29 12:52:24,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24" (1/1) ... [2020-10-29 12:52:24,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24" (1/1) ... [2020-10-29 12:52:24,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24" (1/1) ... [2020-10-29 12:52:24,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24" (1/1) ... [2020-10-29 12:52:24,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24" (1/1) ... [2020-10-29 12:52:24,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:52:24,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:52:24,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:52:24,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:52:24,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24" (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 12:52:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:52:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:52:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:52:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-29 12:52:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-29 12:52:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-29 12:52:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-29 12:52:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-29 12:52:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-29 12:52:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-29 12:52:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-29 12:52:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-29 12:52:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-29 12:52:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-29 12:52:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:52:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-29 12:52:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:52:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:52:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:52:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:52:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-29 12:52:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 12:52:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-29 12:52:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-29 12:52:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-29 12:52:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-29 12:52:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-29 12:52:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-29 12:52:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-29 12:52:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-29 12:52:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-29 12:52:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-29 12:52:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-29 12:52:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-29 12:52:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-29 12:52:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-29 12:52:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:52:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:52:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:52:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:52:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:52:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:52:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:52:25,921 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:52:25,922 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-29 12:52:25,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:52:25 BoogieIcfgContainer [2020-10-29 12:52:25,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:52:25,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:52:25,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:52:25,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:52:25,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:52:24" (1/3) ... [2020-10-29 12:52:25,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ba785e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:52:25, skipping insertion in model container [2020-10-29 12:52:25,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:52:24" (2/3) ... [2020-10-29 12:52:25,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ba785e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:52:25, skipping insertion in model container [2020-10-29 12:52:25,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:52:25" (3/3) ... [2020-10-29 12:52:25,935 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c [2020-10-29 12:52:25,949 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:52:25,959 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:52:25,989 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:52:26,027 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:52:26,028 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:52:26,028 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:52:26,028 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:52:26,028 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:52:26,028 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:52:26,028 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:52:26,029 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:52:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states. [2020-10-29 12:52:26,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-29 12:52:26,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:52:26,065 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] [2020-10-29 12:52:26,065 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:52:26,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:52:26,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1772179392, now seen corresponding path program 1 times [2020-10-29 12:52:26,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:52:26,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368216719] [2020-10-29 12:52:26,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:52:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:26,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:26,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:26,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 12:52:26,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 501 [2020-10-29 12:52:26,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:26,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:52:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-29 12:52:26,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 12:52:26,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:52:27,120 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:52:27,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:52:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:27,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:27,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:27,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:52:27,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:27,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:52:27,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:27,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:27,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:52:27,173 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 12:52:27,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368216719] [2020-10-29 12:52:27,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:52:27,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 12:52:27,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397427806] [2020-10-29 12:52:27,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 12:52:27,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:52:27,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 12:52:27,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 12:52:27,201 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 5 states. [2020-10-29 12:52:27,474 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:52:27,679 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:52:27,876 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:52:29,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:52:29,408 INFO L93 Difference]: Finished difference Result 434 states and 709 transitions. [2020-10-29 12:52:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:52:29,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-29 12:52:29,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:52:29,426 INFO L225 Difference]: With dead ends: 434 [2020-10-29 12:52:29,426 INFO L226 Difference]: Without dead ends: 221 [2020-10-29 12:52:29,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:52:29,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-29 12:52:29,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 215. [2020-10-29 12:52:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-29 12:52:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 319 transitions. [2020-10-29 12:52:29,538 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 319 transitions. Word has length 22 [2020-10-29 12:52:29,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:52:29,539 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 319 transitions. [2020-10-29 12:52:29,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 12:52:29,539 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 319 transitions. [2020-10-29 12:52:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-29 12:52:29,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:52:29,542 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] [2020-10-29 12:52:29,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:52:29,543 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:52:29,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:52:29,544 INFO L82 PathProgramCache]: Analyzing trace with hash -441145701, now seen corresponding path program 1 times [2020-10-29 12:52:29,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:52:29,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020549514] [2020-10-29 12:52:29,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:52:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:29,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:29,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:29,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:30,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:30,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 12:52:30,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:52:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-29 12:52:30,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:30,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:30,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:52:30,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-29 12:52:30,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:52:30,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:52:30,366 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:52:30,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:52:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:30,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:30,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:30,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:52:30,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:30,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 12:52:30,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:30,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:30,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:30,404 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 12:52:30,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020549514] [2020-10-29 12:52:30,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:52:30,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 12:52:30,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926541647] [2020-10-29 12:52:30,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 12:52:30,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:52:30,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 12:52:30,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 12:52:30,408 INFO L87 Difference]: Start difference. First operand 215 states and 319 transitions. Second operand 5 states. [2020-10-29 12:52:30,677 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:52:30,894 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 12:52:31,166 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:52:32,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:52:32,560 INFO L93 Difference]: Finished difference Result 434 states and 656 transitions. [2020-10-29 12:52:32,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:52:32,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-29 12:52:32,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:52:32,567 INFO L225 Difference]: With dead ends: 434 [2020-10-29 12:52:32,567 INFO L226 Difference]: Without dead ends: 228 [2020-10-29 12:52:32,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:52:32,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-29 12:52:32,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2020-10-29 12:52:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-29 12:52:32,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 327 transitions. [2020-10-29 12:52:32,615 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 327 transitions. Word has length 23 [2020-10-29 12:52:32,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:52:32,615 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 327 transitions. [2020-10-29 12:52:32,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 12:52:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 327 transitions. [2020-10-29 12:52:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-29 12:52:32,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:52:32,617 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] [2020-10-29 12:52:32,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:52:32,617 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:52:32,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:52:32,618 INFO L82 PathProgramCache]: Analyzing trace with hash 252662700, now seen corresponding path program 1 times [2020-10-29 12:52:32,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:52:32,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080339233] [2020-10-29 12:52:32,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:52:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:32,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:32,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:32,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:33,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:33,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 12:52:33,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:52:33,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-10-29 12:52:33,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:33,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:33,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:52:33,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:52:33,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:52:33,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:33,218 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:52:33,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:52:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:33,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:33,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:33,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:52:33,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:33,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:52:33,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:33,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:33,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:33,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:52:33,257 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 12:52:33,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080339233] [2020-10-29 12:52:33,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:52:33,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 12:52:33,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215842837] [2020-10-29 12:52:33,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 12:52:33,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:52:33,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 12:52:33,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 12:52:33,260 INFO L87 Difference]: Start difference. First operand 222 states and 327 transitions. Second operand 5 states. [2020-10-29 12:52:33,486 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:52:33,650 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-29 12:52:33,914 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:52:35,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:52:35,269 INFO L93 Difference]: Finished difference Result 455 states and 677 transitions. [2020-10-29 12:52:35,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:52:35,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-29 12:52:35,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:52:35,273 INFO L225 Difference]: With dead ends: 455 [2020-10-29 12:52:35,277 INFO L226 Difference]: Without dead ends: 242 [2020-10-29 12:52:35,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:52:35,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-29 12:52:35,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 235. [2020-10-29 12:52:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-29 12:52:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 343 transitions. [2020-10-29 12:52:35,352 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 343 transitions. Word has length 23 [2020-10-29 12:52:35,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:52:35,353 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 343 transitions. [2020-10-29 12:52:35,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 12:52:35,353 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 343 transitions. [2020-10-29 12:52:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-29 12:52:35,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:52:35,366 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 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 12:52:35,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:52:35,367 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:52:35,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:52:35,370 INFO L82 PathProgramCache]: Analyzing trace with hash 758612497, now seen corresponding path program 1 times [2020-10-29 12:52:35,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:52:35,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653772846] [2020-10-29 12:52:35,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:52:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:35,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:35,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:35,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:35,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:36,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:36,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:52:36,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:52:36,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1111 [2020-10-29 12:52:36,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:36,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:52:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-29 12:52:36,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:52:36,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:36,692 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:52:36,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:52:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:36,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:36,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:36,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:52:36,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:36,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:52:36,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:36,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:36,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:36,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 12:52:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:36,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:36,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:36,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:36,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:52:36,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:52:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:52:36,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:36,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:52:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:52:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:52:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:52:36,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653772846] [2020-10-29 12:52:36,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:52:36,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 12:52:36,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871104079] [2020-10-29 12:52:36,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:52:36,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:52:36,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:52:36,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:52:36,750 INFO L87 Difference]: Start difference. First operand 235 states and 343 transitions. Second operand 6 states. [2020-10-29 12:52:36,945 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:52:37,267 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:52:37,452 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:52:37,771 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-29 12:52:38,087 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:52:38,324 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:52:39,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:52:39,577 INFO L93 Difference]: Finished difference Result 517 states and 766 transitions. [2020-10-29 12:52:39,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:52:39,578 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-10-29 12:52:39,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:52:39,582 INFO L225 Difference]: With dead ends: 517 [2020-10-29 12:52:39,583 INFO L226 Difference]: Without dead ends: 298 [2020-10-29 12:52:39,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:52:39,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-29 12:52:39,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 253. [2020-10-29 12:52:39,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-10-29 12:52:39,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 364 transitions. [2020-10-29 12:52:39,622 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 364 transitions. Word has length 31 [2020-10-29 12:52:39,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:52:39,622 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 364 transitions. [2020-10-29 12:52:39,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:52:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 364 transitions. [2020-10-29 12:52:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-29 12:52:39,624 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:52:39,624 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] [2020-10-29 12:52:39,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:52:39,624 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:52:39,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:52:39,625 INFO L82 PathProgramCache]: Analyzing trace with hash -2130636110, now seen corresponding path program 1 times [2020-10-29 12:52:39,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:52:39,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930438564] [2020-10-29 12:52:39,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:52:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:39,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:39,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:40,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:52:40,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:52:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 572 [2020-10-29 12:52:40,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:40,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:52:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-29 12:52:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 12:52:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:52:40,452 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:52:40,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:52:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:40,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:40,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:40,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:52:40,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:40,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:52:40,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:40,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:40,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:40,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 12:52:40,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:52:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:40,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:40,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:40,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:52:40,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 12:52:40,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:40,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:40,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:40,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:40,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:40,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:52:40,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:52:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:40,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:40,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:40,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:52:40,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:40,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:52:40,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:40,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:40,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:40,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:52:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:40,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:40,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:40,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:52:40,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:40,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:52:40,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:40,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:40,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:40,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:40,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:40,572 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 12:52:40,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930438564] [2020-10-29 12:52:40,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:52:40,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 12:52:40,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712326446] [2020-10-29 12:52:40,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 12:52:40,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:52:40,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 12:52:40,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 12:52:40,574 INFO L87 Difference]: Start difference. First operand 253 states and 364 transitions. Second operand 5 states. [2020-10-29 12:52:40,915 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:52:41,077 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:52:42,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:52:42,343 INFO L93 Difference]: Finished difference Result 438 states and 638 transitions. [2020-10-29 12:52:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 12:52:42,343 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-10-29 12:52:42,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:52:42,346 INFO L225 Difference]: With dead ends: 438 [2020-10-29 12:52:42,346 INFO L226 Difference]: Without dead ends: 263 [2020-10-29 12:52:42,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:52:42,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-10-29 12:52:42,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 257. [2020-10-29 12:52:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-29 12:52:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 367 transitions. [2020-10-29 12:52:42,385 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 367 transitions. Word has length 42 [2020-10-29 12:52:42,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:52:42,385 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 367 transitions. [2020-10-29 12:52:42,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 12:52:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 367 transitions. [2020-10-29 12:52:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-29 12:52:42,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:52:42,388 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:42,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:52:42,388 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:52:42,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:52:42,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1171098308, now seen corresponding path program 1 times [2020-10-29 12:52:42,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:52:42,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [381447095] [2020-10-29 12:52:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:52:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:42,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:42,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:42,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:42,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 12:52:42,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:52:42,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-29 12:52:42,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:42,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:42,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:52:42,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-29 12:52:42,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:52:42,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:43,138 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:52:43,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:52:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:43,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:43,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:43,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:52:43,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:43,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:52:43,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:43,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:43,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:43,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:52:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:43,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:43,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:43,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:52:43,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:43,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:52:43,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:43,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:43,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:43,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:52:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:43,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:43,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:43,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:52:43,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:43,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:52:43,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:43,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:43,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:43,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:43,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:52:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:43,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:43,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:43,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:52:43,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:43,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:52:43,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:43,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:43,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:43,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:43,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:52:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:43,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:43,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:43,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:52:43,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:43,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:52:43,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:43,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:43,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:43,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:43,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:43,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:43,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:52:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:43,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:43,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:43,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:52:43,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:43,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:52:43,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:43,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:43,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:43,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:43,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:52:43,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [381447095] [2020-10-29 12:52:43,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:52:43,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 12:52:43,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679499991] [2020-10-29 12:52:43,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 12:52:43,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:52:43,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 12:52:43,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 12:52:43,296 INFO L87 Difference]: Start difference. First operand 257 states and 367 transitions. Second operand 7 states. [2020-10-29 12:52:43,739 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:52:43,904 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:52:45,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:52:45,256 INFO L93 Difference]: Finished difference Result 458 states and 660 transitions. [2020-10-29 12:52:45,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:52:45,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-10-29 12:52:45,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:52:45,263 INFO L225 Difference]: With dead ends: 458 [2020-10-29 12:52:45,264 INFO L226 Difference]: Without dead ends: 279 [2020-10-29 12:52:45,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:52:45,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-29 12:52:45,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 262. [2020-10-29 12:52:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-29 12:52:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 371 transitions. [2020-10-29 12:52:45,321 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 371 transitions. Word has length 54 [2020-10-29 12:52:45,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:52:45,322 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 371 transitions. [2020-10-29 12:52:45,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 12:52:45,322 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 371 transitions. [2020-10-29 12:52:45,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-29 12:52:45,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:52:45,325 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:45,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:52:45,325 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:52:45,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:52:45,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1637768407, now seen corresponding path program 1 times [2020-10-29 12:52:45,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:52:45,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140697768] [2020-10-29 12:52:45,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:52:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:45,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:45,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:45,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:45,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:45,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:49,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:49,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:52:49,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:52:49,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4530 [2020-10-29 12:52:49,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:49,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:49,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:52:49,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-29 12:52:49,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:52:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:50,103 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:52:50,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:52:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:50,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:50,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:50,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:52:50,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:50,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:52:50,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:50,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:50,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:50,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 12:52:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:50,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:50,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:50,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:52:50,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:50,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:52:50,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:50,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:50,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:50,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:52:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:50,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:50,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:50,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:52:50,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:50,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:52:50,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:50,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:50,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:50,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:52:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:50,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:50,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:50,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 12:52:50,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:50,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:52:50,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:50,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:50,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:50,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:50,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:50,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:50,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 12:52:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:50,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:50,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:50,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:52:50,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:52:50,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:50,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:50,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:50,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:50,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 12:52:50,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140697768] [2020-10-29 12:52:50,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:52:50,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 12:52:50,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552332897] [2020-10-29 12:52:50,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 12:52:50,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:52:50,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 12:52:50,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 12:52:50,188 INFO L87 Difference]: Start difference. First operand 262 states and 371 transitions. Second operand 5 states. [2020-10-29 12:52:50,666 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:52:50,847 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 12:52:51,283 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:52:52,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:52:52,175 INFO L93 Difference]: Finished difference Result 511 states and 731 transitions. [2020-10-29 12:52:52,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:52:52,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-10-29 12:52:52,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:52:52,180 INFO L225 Difference]: With dead ends: 511 [2020-10-29 12:52:52,180 INFO L226 Difference]: Without dead ends: 287 [2020-10-29 12:52:52,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:52:52,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-29 12:52:52,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 280. [2020-10-29 12:52:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-29 12:52:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 392 transitions. [2020-10-29 12:52:52,217 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 392 transitions. Word has length 57 [2020-10-29 12:52:52,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:52:52,218 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 392 transitions. [2020-10-29 12:52:52,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 12:52:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 392 transitions. [2020-10-29 12:52:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-29 12:52:52,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:52:52,219 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:52,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:52:52,220 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:52:52,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:52:52,220 INFO L82 PathProgramCache]: Analyzing trace with hash 11683530, now seen corresponding path program 1 times [2020-10-29 12:52:52,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:52:52,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894596569] [2020-10-29 12:52:52,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:52:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:52,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:52,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:52,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:53,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:53,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 12:52:53,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:52:53,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1378 [2020-10-29 12:52:53,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:53,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:52:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-29 12:52:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:52:53,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:53,848 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:52:53,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:52:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:53,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:53,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:53,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:52:53,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:53,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:52:53,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:53,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:53,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:53,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:53,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:53,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:53,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 12:52:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:53,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:53,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:53,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:52:53,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:53,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:52:53,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:53,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:53,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:53,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:53,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:53,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:52:53,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:52:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:53,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:53,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:53,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:52:53,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:53,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:52:53,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:53,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:53,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:52:53,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:52:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:53,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:53,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:53,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 12:52:53,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:53,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:52:53,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:53,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:53,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:52:53,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 12:52:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:53,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:53,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:53,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:52:53,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:53,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:52:53,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:53,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:53,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:53,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:53,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:53,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:52:53,931 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 12:52:53,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894596569] [2020-10-29 12:52:53,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:52:53,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 12:52:53,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275429290] [2020-10-29 12:52:53,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 12:52:53,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:52:53,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 12:52:53,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 12:52:53,938 INFO L87 Difference]: Start difference. First operand 280 states and 392 transitions. Second operand 5 states. [2020-10-29 12:52:54,506 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:52:54,696 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:52:55,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:52:55,826 INFO L93 Difference]: Finished difference Result 518 states and 735 transitions. [2020-10-29 12:52:55,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 12:52:55,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-10-29 12:52:55,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:52:55,830 INFO L225 Difference]: With dead ends: 518 [2020-10-29 12:52:55,831 INFO L226 Difference]: Without dead ends: 278 [2020-10-29 12:52:55,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 12:52:55,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-10-29 12:52:55,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 274. [2020-10-29 12:52:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-29 12:52:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 378 transitions. [2020-10-29 12:52:55,865 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 378 transitions. Word has length 58 [2020-10-29 12:52:55,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:52:55,866 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 378 transitions. [2020-10-29 12:52:55,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 12:52:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 378 transitions. [2020-10-29 12:52:55,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-29 12:52:55,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:52:55,867 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:55,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:52:55,868 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:52:55,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:52:55,868 INFO L82 PathProgramCache]: Analyzing trace with hash 772990416, now seen corresponding path program 1 times [2020-10-29 12:52:55,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:52:55,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027307870] [2020-10-29 12:52:55,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:52:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:55,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:55,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:56,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:56,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 12:52:56,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:52:56,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 604 [2020-10-29 12:52:56,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:56,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:52:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 12:52:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:52:56,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:56,700 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:52:56,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:52:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:56,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:56,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:56,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:52:56,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:56,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:52:56,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:56,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:56,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:52:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:56,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:56,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:56,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:52:56,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:56,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:52:56,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:56,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:56,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:56,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:56,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:52:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:56,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:56,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:56,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:52:56,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:56,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:52:56,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:56,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:56,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:56,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:52:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:56,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:56,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:56,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:52:56,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:56,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:52:56,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:56,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:56,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:56,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:52:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:56,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:56,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:56,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:52:56,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:56,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:52:56,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:56,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:56,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:52:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:56,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:56,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:56,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:52:56,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:56,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:52:56,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:56,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:56,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:56,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:52:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:56,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:56,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:56,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:52:56,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:56,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:52:56,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:56,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:56,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:52:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:56,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:56,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:52:56,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:52:56,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:52:56,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:52:56,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:52:56,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:52:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:52:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:52:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:52:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:52:56,906 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 12:52:56,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027307870] [2020-10-29 12:52:56,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:52:56,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:52:56,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981898779] [2020-10-29 12:52:56,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:52:56,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:52:56,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:52:56,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:52:56,909 INFO L87 Difference]: Start difference. First operand 274 states and 378 transitions. Second operand 8 states. [2020-10-29 12:52:57,592 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:52:57,786 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 12:52:58,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:52:58,788 INFO L93 Difference]: Finished difference Result 453 states and 633 transitions. [2020-10-29 12:52:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:52:58,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-10-29 12:52:58,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:52:58,791 INFO L225 Difference]: With dead ends: 453 [2020-10-29 12:52:58,792 INFO L226 Difference]: Without dead ends: 275 [2020-10-29 12:52:58,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:52:58,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-29 12:52:58,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 273. [2020-10-29 12:52:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-10-29 12:52:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 373 transitions. [2020-10-29 12:52:58,827 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 373 transitions. Word has length 67 [2020-10-29 12:52:58,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:52:58,828 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 373 transitions. [2020-10-29 12:52:58,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:52:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 373 transitions. [2020-10-29 12:52:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-29 12:52:58,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:52:58,830 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:52:58,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:52:58,830 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:52:58,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:52:58,831 INFO L82 PathProgramCache]: Analyzing trace with hash 615495240, now seen corresponding path program 1 times [2020-10-29 12:52:58,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:52:58,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727861463] [2020-10-29 12:52:58,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:52:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:52:58,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:58,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:52:58,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:00,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:02,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:02,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 12:53:02,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:53:02,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3960 [2020-10-29 12:53:02,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:02,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:02,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:53:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-29 12:53:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 12:53:02,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:03,008 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:53:03,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:53:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:03,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:03,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:03,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:53:03,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:53:03,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:03,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:03,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:03,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:03,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 12:53:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:03,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:03,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:03,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:03,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:03,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:53:03,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:03,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:03,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:03,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:03,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:03,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:03,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:03,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:03,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:03,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:03,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:03,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:03,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:03,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:03,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:03,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:53:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:03,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:03,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:03,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 12:53:03,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:03,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:53:03,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:03,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:03,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:03,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:03,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:03,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:03,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 12:53:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:03,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:03,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:03,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:03,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:53:03,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:03,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:03,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:03,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:03,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:53:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:03,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:03,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:03,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 12:53:03,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:03,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:53:03,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:03,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:03,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:03,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:03,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:03,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:03,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:53:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:03,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:03,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:03,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:53:03,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:03,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:03,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:03,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:03,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:03,119 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-29 12:53:03,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1727861463] [2020-10-29 12:53:03,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:53:03,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 12:53:03,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627545943] [2020-10-29 12:53:03,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 12:53:03,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:53:03,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 12:53:03,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 12:53:03,122 INFO L87 Difference]: Start difference. First operand 273 states and 373 transitions. Second operand 5 states. [2020-10-29 12:53:03,846 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:53:04,021 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:53:04,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:53:04,831 INFO L93 Difference]: Finished difference Result 490 states and 688 transitions. [2020-10-29 12:53:04,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 12:53:04,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-10-29 12:53:04,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:53:04,836 INFO L225 Difference]: With dead ends: 490 [2020-10-29 12:53:04,836 INFO L226 Difference]: Without dead ends: 273 [2020-10-29 12:53:04,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 12:53:04,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-29 12:53:04,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 271. [2020-10-29 12:53:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-29 12:53:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 369 transitions. [2020-10-29 12:53:04,869 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 369 transitions. Word has length 77 [2020-10-29 12:53:04,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:53:04,869 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 369 transitions. [2020-10-29 12:53:04,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 12:53:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 369 transitions. [2020-10-29 12:53:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-29 12:53:04,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:53:04,871 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:04,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:53:04,872 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:53:04,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:53:04,872 INFO L82 PathProgramCache]: Analyzing trace with hash -301510942, now seen corresponding path program 1 times [2020-10-29 12:53:04,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:53:04,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728930859] [2020-10-29 12:53:04,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:53:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:04,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:53:05,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:53:05,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-29 12:53:05,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:53:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-29 12:53:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 12:53:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,665 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:53:05,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:53:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:05,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:53:05,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:53:05,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:53:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:05,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:53:05,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:05,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:53:05,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:05,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:05,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:05,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:05,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:05,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:53:05,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:05,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:05,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:05,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:05,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:05,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:05,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:05,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:05,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:53:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:05,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:53:05,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:05,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:53:05,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:05,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:53:05,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:05,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:05,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:05,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:53:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:05,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:53:05,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:05,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:53:05,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:05,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:05,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:05,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:05,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:05,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:05,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:05,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:05,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:05,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:05,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:53:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:05,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:05,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:05,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:53:05,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:05,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:05,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:05,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:05,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:05,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:05,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:05,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:05,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:05,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:05,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:05,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:05,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:05,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:05,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:05,958 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-29 12:53:05,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728930859] [2020-10-29 12:53:05,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:53:05,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 12:53:05,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303088266] [2020-10-29 12:53:05,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:53:05,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:53:05,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:53:05,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:53:05,961 INFO L87 Difference]: Start difference. First operand 271 states and 369 transitions. Second operand 9 states. [2020-10-29 12:53:06,933 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:53:07,150 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-29 12:53:08,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:53:08,015 INFO L93 Difference]: Finished difference Result 445 states and 613 transitions. [2020-10-29 12:53:08,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:53:08,016 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2020-10-29 12:53:08,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:53:08,019 INFO L225 Difference]: With dead ends: 445 [2020-10-29 12:53:08,019 INFO L226 Difference]: Without dead ends: 270 [2020-10-29 12:53:08,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:53:08,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-29 12:53:08,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2020-10-29 12:53:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-29 12:53:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 366 transitions. [2020-10-29 12:53:08,049 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 366 transitions. Word has length 81 [2020-10-29 12:53:08,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:53:08,050 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 366 transitions. [2020-10-29 12:53:08,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:53:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 366 transitions. [2020-10-29 12:53:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-29 12:53:08,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:53:08,051 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:08,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 12:53:08,052 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:53:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:53:08,052 INFO L82 PathProgramCache]: Analyzing trace with hash 272037062, now seen corresponding path program 1 times [2020-10-29 12:53:08,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:53:08,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087613142] [2020-10-29 12:53:08,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:53:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:08,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:08,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:08,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:08,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:08,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:09,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:09,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:11,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:11,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 12:53:11,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:53:11,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3448 [2020-10-29 12:53:11,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:11,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:53:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 12:53:11,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 12:53:11,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:53:11,723 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:53:11,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:53:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:11,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:11,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:11,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:53:11,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:11,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:53:11,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:11,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:11,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:53:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:11,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:11,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:11,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:53:11,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:11,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:53:11,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:11,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:11,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:11,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:11,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:11,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:11,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:11,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:11,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:11,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:11,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:11,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:11,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:11,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:11,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:11,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:11,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:11,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:11,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:53:11,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:11,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:11,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:11,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:53:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:11,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:11,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:11,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:53:11,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:11,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:53:11,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:11,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:53:11,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:11,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:11,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:11,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:11,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:53:11,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:11,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:11,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:11,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:11,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:53:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:11,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:11,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:11,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:53:11,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:11,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:53:11,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:11,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:11,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:11,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:11,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:53:11,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:11,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:11,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:11,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:11,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:11,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:11,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:11,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:11,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:11,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:53:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:11,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:11,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:11,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:11,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:11,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:53:11,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:11,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:11,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 12:53:11,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:11,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:12,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:12,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:12,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:12,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:12,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:12,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:12,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:12,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:12,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:12,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:12,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:12,030 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-29 12:53:12,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087613142] [2020-10-29 12:53:12,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:53:12,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 12:53:12,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758161002] [2020-10-29 12:53:12,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:53:12,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:53:12,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:53:12,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:53:12,034 INFO L87 Difference]: Start difference. First operand 270 states and 366 transitions. Second operand 9 states. [2020-10-29 12:53:12,262 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-29 12:53:12,438 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-29 12:53:13,560 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-29 12:53:15,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:53:15,634 INFO L93 Difference]: Finished difference Result 700 states and 942 transitions. [2020-10-29 12:53:15,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 12:53:15,635 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-10-29 12:53:15,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:53:15,638 INFO L225 Difference]: With dead ends: 700 [2020-10-29 12:53:15,638 INFO L226 Difference]: Without dead ends: 526 [2020-10-29 12:53:15,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-29 12:53:15,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-29 12:53:15,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 453. [2020-10-29 12:53:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-10-29 12:53:15,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 608 transitions. [2020-10-29 12:53:15,688 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 608 transitions. Word has length 82 [2020-10-29 12:53:15,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:53:15,689 INFO L481 AbstractCegarLoop]: Abstraction has 453 states and 608 transitions. [2020-10-29 12:53:15,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:53:15,689 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 608 transitions. [2020-10-29 12:53:15,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-29 12:53:15,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:53:15,691 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:15,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 12:53:15,691 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:53:15,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:53:15,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1945040586, now seen corresponding path program 1 times [2020-10-29 12:53:15,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:53:15,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786331058] [2020-10-29 12:53:15,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:53:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:15,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:15,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:15,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:15,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:16,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:17,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:20,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:20,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-29 12:53:20,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:53:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:53:20,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:20,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:53:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 12:53:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 12:53:20,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:53:20,933 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:53:20,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:53:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:20,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:20,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:20,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:53:20,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:20,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:53:20,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:20,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:20,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:20,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:20,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:53:20,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:20,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:53:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:20,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:20,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:20,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:53:20,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:53:21,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:53:21,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:53:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:21,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:53:21,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:21,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:53:21,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:21,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:21,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:21,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:21,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:53:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:53:21,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:53:21,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:53:21,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:53:21,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:53:21,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:21,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:21,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:53:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:53:21,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:53:21,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:53:21,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:21,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:53:21,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:21,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:21,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:53:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:53:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:21,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:53:21,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 12:53:21,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:21,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:53:21,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:21,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 12:53:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:53:21,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:53:21,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:53:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:53:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 12:53:21,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:53:21,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:53:21,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:53:21,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:53:21,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 12:53:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 12:53:21,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:53:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-29 12:53:21,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:53:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 12:53:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 12:53:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:21,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:53:21,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:53:21,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:53:21,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:53:21,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:53:21,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 12:53:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:21,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:53:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:53:21,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:53:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:53:21,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 12:53:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:21,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:21,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:21,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:21,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:21,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:21,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:21,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:21,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:21,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:53:21,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:21,913 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-29 12:53:21,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786331058] [2020-10-29 12:53:21,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:53:21,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 12:53:21,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905688617] [2020-10-29 12:53:21,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 12:53:21,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:53:21,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 12:53:21,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:53:21,916 INFO L87 Difference]: Start difference. First operand 453 states and 608 transitions. Second operand 23 states. [2020-10-29 12:53:22,189 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:53:22,414 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:53:22,688 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:53:22,904 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-29 12:53:25,316 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:53:25,622 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:53:26,334 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:53:26,526 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:53:26,884 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:53:27,081 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 12:53:27,309 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-29 12:53:27,524 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:53:27,944 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:53:28,133 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:53:28,425 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:53:28,653 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:53:28,872 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:53:29,078 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:53:29,354 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:53:29,608 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 12:53:29,909 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:53:32,223 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:53:32,497 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 12:53:35,003 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-29 12:53:38,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:53:38,247 INFO L93 Difference]: Finished difference Result 1334 states and 1892 transitions. [2020-10-29 12:53:38,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-29 12:53:38,248 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 118 [2020-10-29 12:53:38,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:53:38,255 INFO L225 Difference]: With dead ends: 1334 [2020-10-29 12:53:38,255 INFO L226 Difference]: Without dead ends: 874 [2020-10-29 12:53:38,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1527 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=924, Invalid=4776, Unknown=0, NotChecked=0, Total=5700 [2020-10-29 12:53:38,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-29 12:53:38,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 581. [2020-10-29 12:53:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-10-29 12:53:38,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 803 transitions. [2020-10-29 12:53:38,346 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 803 transitions. Word has length 118 [2020-10-29 12:53:38,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:53:38,347 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 803 transitions. [2020-10-29 12:53:38,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-29 12:53:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 803 transitions. [2020-10-29 12:53:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-29 12:53:38,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:53:38,349 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:38,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 12:53:38,350 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:53:38,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:53:38,350 INFO L82 PathProgramCache]: Analyzing trace with hash -938045745, now seen corresponding path program 1 times [2020-10-29 12:53:38,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:53:38,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002878156] [2020-10-29 12:53:38,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:53:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:38,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:38,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:38,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:38,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:41,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:41,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:42,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-29 12:53:43,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:53:43,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:53:43,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:53:43,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 12:53:43,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-29 12:53:43,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,543 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:53:43,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:53:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:53:43,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:53:43,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:43,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:53:43,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:53:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:53:43,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:53:43,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:43,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:53:43,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:43,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:43,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:43,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:43,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:43,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:53:43,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:43,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:53:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:53:43,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:53:43,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:53:43,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:53:43,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:43,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:43,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:53:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:53:43,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:53:43,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:53:43,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:43,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:43,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:43,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:53:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:43,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:53:43,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:43,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 12:53:43,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:43,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:43,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:43,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:43,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 12:53:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:53:43,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:53:43,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 12:53:43,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:43,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:53:43,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:53:43,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:43,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:43,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 12:53:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:43,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:43,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:44,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:44,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-29 12:53:44,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:53:44,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 12:53:44,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:44,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:53:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 12:53:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 12:53:44,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:44,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:44,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:44,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:44,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:44,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:44,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:44,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:44,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:44,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 12:53:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:44,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:44,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:44,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:44,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:44,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:53:44,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:53:44,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:44,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:44,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:53:44,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:44,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:53:44,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:44,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 12:53:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:44,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:44,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:44,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:44,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:44,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:53:44,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:44,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:53:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:53:44,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 12:53:44,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002878156] [2020-10-29 12:53:44,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:53:44,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-29 12:53:44,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156658803] [2020-10-29 12:53:44,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 12:53:44,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:53:44,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 12:53:44,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:53:44,190 INFO L87 Difference]: Start difference. First operand 581 states and 803 transitions. Second operand 17 states. [2020-10-29 12:53:44,383 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:53:46,149 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:53:46,809 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:53:46,994 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:53:47,235 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:53:47,440 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 12:53:47,678 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:53:47,903 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 12:53:48,106 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 12:53:51,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:53:51,119 INFO L93 Difference]: Finished difference Result 1109 states and 1594 transitions. [2020-10-29 12:53:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 12:53:51,120 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 119 [2020-10-29 12:53:51,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:53:51,127 INFO L225 Difference]: With dead ends: 1109 [2020-10-29 12:53:51,127 INFO L226 Difference]: Without dead ends: 797 [2020-10-29 12:53:51,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=358, Invalid=1048, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 12:53:51,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2020-10-29 12:53:51,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 589. [2020-10-29 12:53:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-29 12:53:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 817 transitions. [2020-10-29 12:53:51,213 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 817 transitions. Word has length 119 [2020-10-29 12:53:51,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:53:51,213 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 817 transitions. [2020-10-29 12:53:51,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 12:53:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 817 transitions. [2020-10-29 12:53:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 12:53:51,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:53:51,217 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:51,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 12:53:51,217 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:53:51,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:53:51,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1567997588, now seen corresponding path program 1 times [2020-10-29 12:53:51,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:53:51,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096304663] [2020-10-29 12:53:51,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:53:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:51,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:51,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:51,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 12:53:52,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:53:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1029 [2020-10-29 12:53:52,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-29 12:53:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:53:52,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,452 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:53:52,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:53:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:53:52,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:53:52,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:52,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:52,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:53:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:53:52,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:52,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:52,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:52,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:52,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:52,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:52,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:53:52,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:52,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:52,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:53:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:53:52,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:53:52,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:52,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:53:52,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:53:52,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:52,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:53:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:53:52,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:53:52,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:53:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:52,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:52,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:53:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:52,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:53:52,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:52,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 12:53:52,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:52,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:52,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:52,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:52,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 12:53:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:53:52,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:53:52,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:52,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 12:53:52,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:53:52,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:53:52,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:52,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:52,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 12:53:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:53:52,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:53:52,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 12:53:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 12:53:52,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:52,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:53:52,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:53:52,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 12:53:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:52,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:53:52,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:53:52,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 12:53:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:52,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:52,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:52,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:52,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:52,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:53:52,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:52,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:53:52,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 12:53:52,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096304663] [2020-10-29 12:53:52,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:53:52,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 12:53:52,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406928619] [2020-10-29 12:53:52,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:53:52,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:53:52,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:53:52,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:53:52,986 INFO L87 Difference]: Start difference. First operand 589 states and 817 transitions. Second operand 11 states. [2020-10-29 12:53:53,179 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:53:53,883 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-29 12:53:57,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:53:57,052 INFO L93 Difference]: Finished difference Result 1425 states and 2030 transitions. [2020-10-29 12:53:57,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:53:57,053 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 120 [2020-10-29 12:53:57,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:53:57,061 INFO L225 Difference]: With dead ends: 1425 [2020-10-29 12:53:57,061 INFO L226 Difference]: Without dead ends: 1021 [2020-10-29 12:53:57,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-29 12:53:57,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-10-29 12:53:57,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1008. [2020-10-29 12:53:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1008 states. [2020-10-29 12:53:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1415 transitions. [2020-10-29 12:53:57,222 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1415 transitions. Word has length 120 [2020-10-29 12:53:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:53:57,223 INFO L481 AbstractCegarLoop]: Abstraction has 1008 states and 1415 transitions. [2020-10-29 12:53:57,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:53:57,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1415 transitions. [2020-10-29 12:53:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 12:53:57,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:53:57,226 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:57,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 12:53:57,227 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:53:57,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:53:57,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2052655183, now seen corresponding path program 1 times [2020-10-29 12:53:57,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:53:57,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536574659] [2020-10-29 12:53:57,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:53:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:57,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:57,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:57,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:58,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:58,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 12:53:58,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:53:58,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1339 [2020-10-29 12:53:58,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:58,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:58,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:58,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-29 12:53:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 12:53:58,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:58,774 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:53:58,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:53:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:58,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:58,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:58,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:53:58,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:58,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:53:58,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:58,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:53:58,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:53:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:58,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:58,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:58,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:53:58,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:53:58,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:58,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:58,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:58,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:58,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:58,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:58,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:58,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:58,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:58,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:58,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:58,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:58,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:58,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:58,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:58,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:58,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:58,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:58,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:58,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:58,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:58,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:58,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:53:58,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:53:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:58,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:58,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:58,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:53:58,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:58,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:53:58,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:58,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:58,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:58,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:58,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:58,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:58,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:58,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:58,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:58,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:53:58,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:58,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:58,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:58,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:58,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:58,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:58,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:58,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:58,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:53:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:58,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:58,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:58,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:53:58,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:58,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:53:58,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:58,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:53:58,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:58,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:58,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:58,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:58,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:58,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:58,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:58,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:58,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:58,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:59,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:53:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:59,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:59,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:59,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:53:59,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:59,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:53:59,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:59,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 12:53:59,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:59,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:53:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:59,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:59,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:59,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:59,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:59,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:59,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:59,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:59,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:59,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 12:53:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:59,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:59,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:59,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:53:59,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:59,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:53:59,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:59,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:59,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:59,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:59,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 12:53:59,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:59,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:53:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:59,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:59,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:59,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:53:59,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:59,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:53:59,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:59,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:59,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:53:59,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:59,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:53:59,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:59,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 12:53:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:59,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:59,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:59,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:53:59,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:59,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:53:59,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:59,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 12:53:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 12:53:59,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:59,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 12:53:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:59,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:59,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:59,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:59,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:59,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:59,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:59,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:53:59,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:59,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 12:53:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:59,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:59,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:59,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:53:59,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:53:59,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:59,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:53:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:59,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:53:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:53:59,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:53:59,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:53:59,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:53:59,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:53:59,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:53:59,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:53:59,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:53:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:53:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:53:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:53:59,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:53:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 12:53:59,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1536574659] [2020-10-29 12:53:59,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:53:59,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 12:53:59,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777907176] [2020-10-29 12:53:59,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:53:59,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:53:59,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:53:59,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:53:59,207 INFO L87 Difference]: Start difference. First operand 1008 states and 1415 transitions. Second operand 11 states. [2020-10-29 12:53:59,421 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:54:00,443 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-29 12:54:03,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:54:03,844 INFO L93 Difference]: Finished difference Result 2500 states and 3580 transitions. [2020-10-29 12:54:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 12:54:03,844 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-10-29 12:54:03,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:54:03,855 INFO L225 Difference]: With dead ends: 2500 [2020-10-29 12:54:03,855 INFO L226 Difference]: Without dead ends: 1808 [2020-10-29 12:54:03,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-29 12:54:03,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2020-10-29 12:54:04,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1392. [2020-10-29 12:54:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2020-10-29 12:54:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1968 transitions. [2020-10-29 12:54:04,071 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1968 transitions. Word has length 121 [2020-10-29 12:54:04,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:54:04,071 INFO L481 AbstractCegarLoop]: Abstraction has 1392 states and 1968 transitions. [2020-10-29 12:54:04,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:54:04,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1968 transitions. [2020-10-29 12:54:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 12:54:04,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:54:04,076 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:04,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 12:54:04,076 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:54:04,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:54:04,076 INFO L82 PathProgramCache]: Analyzing trace with hash -22397103, now seen corresponding path program 1 times [2020-10-29 12:54:04,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:54:04,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121299435] [2020-10-29 12:54:04,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:54:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:04,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:04,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:04,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:54:05,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:54:05,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1174 [2020-10-29 12:54:05,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:05,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-29 12:54:05,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 12:54:05,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:54:05,442 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:54:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:54:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:54:05,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:54:05,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:05,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:05,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:54:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:54:05,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:54:05,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:05,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:54:05,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:54:05,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:05,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:54:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:05,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:05,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:05,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:54:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:54:05,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:54:05,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:05,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:54:05,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:05,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:54:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:54:05,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:54:05,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:05,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:05,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:05,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:05,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:54:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:54:05,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:54:05,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 12:54:05,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:05,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:05,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 12:54:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:54:05,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:54:05,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 12:54:05,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:54:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:54:05,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:05,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:05,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 12:54:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:54:05,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:54:05,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:05,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 12:54:05,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 12:54:05,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:54:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:05,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:05,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:54:05,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 12:54:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:05,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:54:05,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:05,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:54:05,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:54:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:05,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:05,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:05,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:05,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:05,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:05,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:05,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:54:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 12:54:05,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121299435] [2020-10-29 12:54:05,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:54:05,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 12:54:05,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033867548] [2020-10-29 12:54:05,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:54:05,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:54:05,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:54:05,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:54:05,818 INFO L87 Difference]: Start difference. First operand 1392 states and 1968 transitions. Second operand 11 states. [2020-10-29 12:54:06,016 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:54:07,349 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-29 12:54:10,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:54:10,743 INFO L93 Difference]: Finished difference Result 3464 states and 4989 transitions. [2020-10-29 12:54:10,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 12:54:10,744 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 122 [2020-10-29 12:54:10,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:54:10,760 INFO L225 Difference]: With dead ends: 3464 [2020-10-29 12:54:10,760 INFO L226 Difference]: Without dead ends: 2501 [2020-10-29 12:54:10,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-10-29 12:54:10,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2020-10-29 12:54:11,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 1739. [2020-10-29 12:54:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1739 states. [2020-10-29 12:54:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 2474 transitions. [2020-10-29 12:54:11,064 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 2474 transitions. Word has length 122 [2020-10-29 12:54:11,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:54:11,065 INFO L481 AbstractCegarLoop]: Abstraction has 1739 states and 2474 transitions. [2020-10-29 12:54:11,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:54:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2474 transitions. [2020-10-29 12:54:11,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 12:54:11,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:54:11,069 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:11,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 12:54:11,070 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:54:11,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:54:11,070 INFO L82 PathProgramCache]: Analyzing trace with hash 637134419, now seen corresponding path program 1 times [2020-10-29 12:54:11,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:54:11,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211682558] [2020-10-29 12:54:11,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:54:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:11,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:11,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:11,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:54:12,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:54:12,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1112 [2020-10-29 12:54:12,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:54:12,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-29 12:54:12,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:54:12,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,444 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:54:12,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:54:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:54:12,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:54:12,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:54:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:54:12,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:54:12,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:54:12,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:54:12,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:54:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:12,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:12,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:54:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:54:12,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:54:12,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:54:12,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:12,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:54:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:54:12,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:54:12,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:12,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:54:12,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:54:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:54:12,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:54:12,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:12,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:54:12,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 12:54:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:54:12,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:54:12,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:54:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:54:12,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:12,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 12:54:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:54:12,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:54:12,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 12:54:12,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:54:12,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:54:12,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:54:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:12,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:54:12,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 12:54:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:12,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:12,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:54:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:12,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:12,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:12,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:12,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:12,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:12,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:12,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:12,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 12:54:12,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211682558] [2020-10-29 12:54:12,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:54:12,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-29 12:54:12,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779389774] [2020-10-29 12:54:12,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:54:12,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:54:12,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:54:12,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:54:12,939 INFO L87 Difference]: Start difference. First operand 1739 states and 2474 transitions. Second operand 14 states. [2020-10-29 12:54:15,146 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:54:15,402 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:54:15,605 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-29 12:54:16,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:54:16,556 INFO L93 Difference]: Finished difference Result 1802 states and 2586 transitions. [2020-10-29 12:54:16,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 12:54:16,557 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 122 [2020-10-29 12:54:16,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:54:16,568 INFO L225 Difference]: With dead ends: 1802 [2020-10-29 12:54:16,568 INFO L226 Difference]: Without dead ends: 1799 [2020-10-29 12:54:16,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:54:16,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2020-10-29 12:54:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1769. [2020-10-29 12:54:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1769 states. [2020-10-29 12:54:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1769 states and 2508 transitions. [2020-10-29 12:54:16,820 INFO L78 Accepts]: Start accepts. Automaton has 1769 states and 2508 transitions. Word has length 122 [2020-10-29 12:54:16,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:54:16,821 INFO L481 AbstractCegarLoop]: Abstraction has 1769 states and 2508 transitions. [2020-10-29 12:54:16,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:54:16,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2508 transitions. [2020-10-29 12:54:16,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-29 12:54:16,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:54:16,826 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:16,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 12:54:16,827 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:54:16,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:54:16,827 INFO L82 PathProgramCache]: Analyzing trace with hash -784813365, now seen corresponding path program 1 times [2020-10-29 12:54:16,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:54:16,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636802995] [2020-10-29 12:54:16,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:54:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:16,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:16,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:16,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:17,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:17,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:21,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:21,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:54:21,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:54:21,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:54:21,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:21,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 12:54:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:54:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-29 12:54:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,061 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:54:22,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:54:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:54:22,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:54:22,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:22,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:54:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:54:22,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 12:54:22,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:54:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 12:54:22,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:54:22,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 12:54:22,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:54:22,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:22,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 12:54:22,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:54:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:22,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:54:22,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:54:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:54:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:54:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:54:22,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 12:54:22,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:54:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 12:54:22,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:54:22,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:54:22,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:54:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:54:22,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:54:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:54:22,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:54:22,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:54:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 12:54:22,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:22,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:54:22,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:54:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:54:22,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:54:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:54:22,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 12:54:22,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:54:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:54:22,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:22,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:54:22,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:54:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:54:22,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 12:54:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:54:22,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:54:22,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 12:54:22,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:54:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:22,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:54:22,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:22,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:22,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:22,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:22,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:22,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:22,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 12:54:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:22,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:22,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:23,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:23,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:23,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:54:23,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:54:23,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-29 12:54:23,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:23,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:54:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:54:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 12:54:23,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:23,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:54:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:23,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:23,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:23,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:23,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:23,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:54:23,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:23,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:54:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:54:23,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:23,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 12:54:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:23,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:23,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:23,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:23,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:23,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:54:23,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:54:23,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:23,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:54:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:23,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:54:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:23,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:23,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:23,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:23,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:23,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:23,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:23,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:23,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:23,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:23,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:54:23,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:23,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:54:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:23,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:23,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:23,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:23,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:23,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:54:23,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:23,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:54:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:54:23,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 12:54:23,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636802995] [2020-10-29 12:54:23,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:54:23,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 12:54:23,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77578292] [2020-10-29 12:54:23,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 12:54:23,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:54:23,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 12:54:23,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:54:23,568 INFO L87 Difference]: Start difference. First operand 1769 states and 2508 transitions. Second operand 23 states. [2020-10-29 12:54:23,849 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:54:24,084 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-29 12:54:24,300 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-29 12:54:24,521 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 12:54:24,923 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-10-29 12:54:25,163 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:54:25,495 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-29 12:54:26,702 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:54:28,537 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-29 12:54:28,947 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-29 12:54:30,168 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-29 12:54:30,403 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-29 12:54:30,604 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-29 12:54:30,800 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-29 12:54:31,037 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-29 12:54:31,261 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-29 12:54:33,277 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-29 12:54:33,748 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2020-10-29 12:54:34,620 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-29 12:54:34,866 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-29 12:54:36,011 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-29 12:54:36,232 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-29 12:54:36,515 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 12:54:37,422 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:54:38,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:54:38,625 INFO L93 Difference]: Finished difference Result 6604 states and 10082 transitions. [2020-10-29 12:54:38,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-29 12:54:38,627 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 129 [2020-10-29 12:54:38,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:54:38,657 INFO L225 Difference]: With dead ends: 6604 [2020-10-29 12:54:38,657 INFO L226 Difference]: Without dead ends: 5127 [2020-10-29 12:54:38,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 5 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=773, Invalid=3009, Unknown=0, NotChecked=0, Total=3782 [2020-10-29 12:54:38,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5127 states. [2020-10-29 12:54:39,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5127 to 3519. [2020-10-29 12:54:39,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2020-10-29 12:54:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5081 transitions. [2020-10-29 12:54:39,282 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5081 transitions. Word has length 129 [2020-10-29 12:54:39,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:54:39,282 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 5081 transitions. [2020-10-29 12:54:39,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-29 12:54:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5081 transitions. [2020-10-29 12:54:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-29 12:54:39,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:54:39,295 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:39,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 12:54:39,295 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:54:39,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:54:39,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1078216372, now seen corresponding path program 1 times [2020-10-29 12:54:39,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:54:39,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975519233] [2020-10-29 12:54:39,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:54:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:39,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:39,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:39,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:39,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:54:41,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:54:41,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1731 [2020-10-29 12:54:41,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:54:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-29 12:54:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:54:41,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,220 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:54:41,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:54:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:54:41,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:54:41,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:54:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:54:41,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:41,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:54:41,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:41,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:54:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:41,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:41,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:54:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:54:41,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:54:41,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:54:41,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:41,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:54:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:54:41,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:54:41,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:41,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:41,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:54:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:54:41,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:54:41,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:41,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:41,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 12:54:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:54:41,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:41,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:54:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:54:41,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:41,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 12:54:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:54:41,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:54:41,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 12:54:41,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:54:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-29 12:54:41,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:54:41,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:54:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:41,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:41,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 12:54:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:41,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:54:41,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:54:41,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:54:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:54:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:54:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:54:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:41,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:41,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:41,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:54:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:41,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:41,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:41,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:41,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:41,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:41,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:41,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:54:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:54:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:54:41,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-29 12:54:41,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975519233] [2020-10-29 12:54:41,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:54:41,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 12:54:41,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286182987] [2020-10-29 12:54:41,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 12:54:41,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:54:41,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 12:54:41,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:54:41,692 INFO L87 Difference]: Start difference. First operand 3519 states and 5081 transitions. Second operand 13 states. [2020-10-29 12:54:41,945 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:54:42,126 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:54:43,436 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:54:43,695 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-29 12:54:44,150 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:54:44,387 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:54:45,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:54:45,552 INFO L93 Difference]: Finished difference Result 5792 states and 8288 transitions. [2020-10-29 12:54:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 12:54:45,552 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 129 [2020-10-29 12:54:45,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:54:45,573 INFO L225 Difference]: With dead ends: 5792 [2020-10-29 12:54:45,573 INFO L226 Difference]: Without dead ends: 2791 [2020-10-29 12:54:45,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-10-29 12:54:45,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2791 states. [2020-10-29 12:54:45,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2791 to 2743. [2020-10-29 12:54:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2743 states. [2020-10-29 12:54:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2743 states and 3541 transitions. [2020-10-29 12:54:45,982 INFO L78 Accepts]: Start accepts. Automaton has 2743 states and 3541 transitions. Word has length 129 [2020-10-29 12:54:45,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:54:45,982 INFO L481 AbstractCegarLoop]: Abstraction has 2743 states and 3541 transitions. [2020-10-29 12:54:45,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 12:54:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 3541 transitions. [2020-10-29 12:54:45,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-29 12:54:45,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:54:45,990 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:45,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-29 12:54:45,991 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:54:45,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:54:45,991 INFO L82 PathProgramCache]: Analyzing trace with hash -707985812, now seen corresponding path program 1 times [2020-10-29 12:54:45,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:54:45,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450549469] [2020-10-29 12:54:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:54:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:46,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:46,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:46,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:46,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:46,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-29 12:54:51,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:54:51,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:54:51,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 12:54:51,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:54:51,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 12:54:51,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,220 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:54:51,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:54:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:54:51,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:54:51,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:51,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:51,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:51,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:54:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 12:54:51,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:54:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-29 12:54:51,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:54:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:54:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:54:51,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:54:51,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 12:54:51,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:54:51,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:54:51,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:54:51,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 12:54:51,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:54:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:51,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:54:51,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:51,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:51,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:54:51,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 12:54:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:54:51,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 12:54:51,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:54:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 12:54:51,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:54:51,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:54:51,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:54:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:54:51,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 12:54:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:54:51,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:54:51,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:54:51,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:51,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 12:54:51,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:51,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:54:51,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:54:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:54:51,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 12:54:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:54:51,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:54:51,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:54:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:54:51,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:54:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:51,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:54:51,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:54:51,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:54:51,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:54:51,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 12:54:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:54:51,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:54:51,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:51,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:51,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 12:54:51,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:54:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:51,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:54:51,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:51,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:54:51,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:51,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:54:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:54:51,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:51,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 12:54:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:51,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:51,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:52,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:52,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-29 12:54:52,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:54:52,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 12:54:52,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:52,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:52,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:54:52,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:54:52,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:54:52,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:52,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:54:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:52,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:52,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:52,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:52,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:52,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:52,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:52,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:54:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:54:52,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:52,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 12:54:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:52,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:52,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:52,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:52,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:52,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:54:52,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:52,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:52,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:52,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:52,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:54:52,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:52,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:54:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:52,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:52,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:52,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:54:52,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:52,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:52,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:52,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:54:52,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:52,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 12:54:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:52,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:52,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:52,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:54:52,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:52,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:54:52,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:52,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:52,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:52,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:52,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:54:52,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:52,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 12:54:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:54:52,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:54:52,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:54:52,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:54:52,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:54:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:54:52,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:54:52,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:54:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:54:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:54:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:54:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:54:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-29 12:54:52,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450549469] [2020-10-29 12:54:52,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:54:52,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-29 12:54:52,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113596314] [2020-10-29 12:54:52,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-29 12:54:52,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:54:52,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-29 12:54:52,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-10-29 12:54:52,267 INFO L87 Difference]: Start difference. First operand 2743 states and 3541 transitions. Second operand 20 states. [2020-10-29 12:54:52,535 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-29 12:54:52,755 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:54:53,055 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:54:55,403 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-29 12:54:55,599 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-29 12:54:55,779 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-29 12:54:55,990 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-29 12:54:56,202 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 12:54:56,766 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-29 12:54:57,764 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-29 12:54:57,972 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:54:58,782 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-29 12:55:00,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:55:00,183 INFO L93 Difference]: Finished difference Result 5827 states and 7491 transitions. [2020-10-29 12:55:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 12:55:00,184 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 143 [2020-10-29 12:55:00,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:55:00,203 INFO L225 Difference]: With dead ends: 5827 [2020-10-29 12:55:00,203 INFO L226 Difference]: Without dead ends: 3115 [2020-10-29 12:55:00,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 34 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=391, Invalid=1331, Unknown=0, NotChecked=0, Total=1722 [2020-10-29 12:55:00,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3115 states. [2020-10-29 12:55:00,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3115 to 2947. [2020-10-29 12:55:00,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2020-10-29 12:55:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 3759 transitions. [2020-10-29 12:55:00,612 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 3759 transitions. Word has length 143 [2020-10-29 12:55:00,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:55:00,613 INFO L481 AbstractCegarLoop]: Abstraction has 2947 states and 3759 transitions. [2020-10-29 12:55:00,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-29 12:55:00,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 3759 transitions. [2020-10-29 12:55:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-29 12:55:00,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:55:00,620 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:00,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-29 12:55:00,620 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:55:00,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:55:00,621 INFO L82 PathProgramCache]: Analyzing trace with hash 368618612, now seen corresponding path program 1 times [2020-10-29 12:55:00,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:55:00,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816320071] [2020-10-29 12:55:00,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:55:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:00,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:00,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-29 12:55:01,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:55:01,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-10-29 12:55:01,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:55:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-29 12:55:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:55:01,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,191 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:55:01,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:55:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:55:01,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:55:01,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:55:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:55:01,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:55:01,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:55:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:55:01,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:01,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:01,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:01,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:01,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:01,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:01,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 12:55:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:55:01,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:01,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 12:55:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:55:01,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:01,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:01,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:55:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:55:01,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:01,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:55:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:01,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:01,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:55:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:01,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:55:01,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:55:01,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:01,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:01,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:01,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 12:55:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:55:01,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:01,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 12:55:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:55:01,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:01,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 12:55:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-29 12:55:01,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:55:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 12:55:01,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:55:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 12:55:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:55:01,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:55:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:01,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:01,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:55:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 12:55:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:01,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:01,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:55:01,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:55:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:01,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:01,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:55:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 12:55:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:01,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:01,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:55:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 12:55:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:01,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:01,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:01,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:55:01,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:01,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:01,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:01,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:01,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:01,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 12:55:01,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:01,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:01,659 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-29 12:55:01,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816320071] [2020-10-29 12:55:01,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:55:01,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 12:55:01,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146167779] [2020-10-29 12:55:01,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 12:55:01,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:55:01,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 12:55:01,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:55:01,662 INFO L87 Difference]: Start difference. First operand 2947 states and 3759 transitions. Second operand 13 states. [2020-10-29 12:55:02,016 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:55:03,526 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:55:04,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:55:04,752 INFO L93 Difference]: Finished difference Result 5126 states and 6554 transitions. [2020-10-29 12:55:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 12:55:04,755 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 140 [2020-10-29 12:55:04,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:55:04,766 INFO L225 Difference]: With dead ends: 5126 [2020-10-29 12:55:04,766 INFO L226 Difference]: Without dead ends: 2394 [2020-10-29 12:55:04,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-10-29 12:55:04,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2394 states. [2020-10-29 12:55:05,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2394 to 2383. [2020-10-29 12:55:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2383 states. [2020-10-29 12:55:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 3026 transitions. [2020-10-29 12:55:05,165 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 3026 transitions. Word has length 140 [2020-10-29 12:55:05,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:55:05,166 INFO L481 AbstractCegarLoop]: Abstraction has 2383 states and 3026 transitions. [2020-10-29 12:55:05,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 12:55:05,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 3026 transitions. [2020-10-29 12:55:05,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-29 12:55:05,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:55:05,171 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:05,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-29 12:55:05,172 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:55:05,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:55:05,172 INFO L82 PathProgramCache]: Analyzing trace with hash -279581100, now seen corresponding path program 1 times [2020-10-29 12:55:05,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:55:05,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994507213] [2020-10-29 12:55:05,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:55:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:05,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:05,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:05,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:05,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:05,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:10,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:10,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-29 12:55:10,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:55:10,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:55:10,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:10,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:10,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:55:10,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-29 12:55:10,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:55:10,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:10,364 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:55:10,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:55:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:10,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:10,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:10,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:55:10,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:10,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:55:10,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:10,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:10,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:10,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:55:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:10,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:10,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:10,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:10,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:11,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 12:55:14,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:55:14,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4408 [2020-10-29 12:55:14,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:55:14,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-29 12:55:14,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:55:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:14,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:14,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:14,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:14,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:14,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:14,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:14,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:14,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:14,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:14,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:14,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:14,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:14,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 12:55:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:14,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 12:55:14,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:14,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:14,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:14,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:14,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 12:55:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:14,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:14,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:14,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:14,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:14,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:14,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:14,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:14,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 12:55:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:14,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 12:55:14,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:14,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:14,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:14,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:55:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:14,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:55:14,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:14,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:14,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:14,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:14,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:55:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:14,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:14,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:14,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:55:14,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:55:14,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:55:14,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 12:55:14,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:55:14,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:14,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:14,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:14,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:14,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:55:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:55:14,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:14,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 12:55:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:14,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:14,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:55:14,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:55:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:14,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:14,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:14,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:14,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:14,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:55:14,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:14,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:14,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:14,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:14,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 12:55:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:55:15,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:55:15,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:55:15,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:15,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:15,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 12:55:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:15,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:15,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:55:15,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:15,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:15,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 12:55:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:55:15,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:55:15,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 12:55:15,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:55:15,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:15,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 12:55:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:55:15,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 12:55:15,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-29 12:55:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:15,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:15,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:15,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 12:55:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:15,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:15,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 12:55:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:15,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:15,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 12:55:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:15,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:15,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 12:55:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:15,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:15,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:15,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:55:15,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:15,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:15,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:15,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:15,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-29 12:55:15,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994507213] [2020-10-29 12:55:15,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:55:15,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 12:55:15,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418631015] [2020-10-29 12:55:15,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:55:15,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:55:15,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:55:15,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:55:15,258 INFO L87 Difference]: Start difference. First operand 2383 states and 3026 transitions. Second operand 11 states. [2020-10-29 12:55:15,462 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:55:15,627 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-29 12:55:15,857 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:55:18,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:55:18,305 INFO L93 Difference]: Finished difference Result 4474 states and 5682 transitions. [2020-10-29 12:55:18,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:55:18,306 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2020-10-29 12:55:18,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:55:18,322 INFO L225 Difference]: With dead ends: 4474 [2020-10-29 12:55:18,322 INFO L226 Difference]: Without dead ends: 2353 [2020-10-29 12:55:18,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-29 12:55:18,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2020-10-29 12:55:18,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2353. [2020-10-29 12:55:18,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2353 states. [2020-10-29 12:55:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 2353 states and 2982 transitions. [2020-10-29 12:55:18,635 INFO L78 Accepts]: Start accepts. Automaton has 2353 states and 2982 transitions. Word has length 194 [2020-10-29 12:55:18,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:55:18,635 INFO L481 AbstractCegarLoop]: Abstraction has 2353 states and 2982 transitions. [2020-10-29 12:55:18,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:55:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2982 transitions. [2020-10-29 12:55:18,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-29 12:55:18,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:55:18,641 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:18,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-29 12:55:18,641 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:55:18,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:55:18,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1130049844, now seen corresponding path program 1 times [2020-10-29 12:55:18,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:55:18,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543217822] [2020-10-29 12:55:18,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:55:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:18,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:18,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:18,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:18,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:19,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:19,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:23,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:23,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-29 12:55:23,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:55:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 12:55:23,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:23,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 12:55:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:55:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-29 12:55:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:23,868 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:55:23,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:55:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:23,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:23,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:23,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:55:23,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:23,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:55:23,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:23,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:23,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:23,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:23,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:23,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:23,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:55:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:23,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:23,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:23,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:23,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:23,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:24,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:28,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:28,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 12:55:28,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:55:28,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:55:28,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:28,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:28,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:55:28,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:55:28,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 12:55:28,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:28,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:28,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:28,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:28,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:55:28,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:28,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:55:28,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:28,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:28,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:55:28,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:55:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 12:55:28,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:28,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:28,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:28,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:28,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:28,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:28,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:28,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:28,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:28,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:55:28,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:28,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:55:28,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:28,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 12:55:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:28,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:28,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:28,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:28,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:28,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:28,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:28,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:55:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:55:28,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:28,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 12:55:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:28,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:28,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:28,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 12:55:28,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:28,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:28,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:55:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:28,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:28,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 12:55:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:28,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:28,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:28,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:28,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:28,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:28,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:28,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:28,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:28,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:28,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 12:55:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:28,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:28,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:28,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 12:55:28,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:28,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:55:28,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:28,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 12:55:28,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:28,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:28,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:55:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:28,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:28,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:28,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:55:28,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:28,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:28,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:28,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 12:55:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:28,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:28,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 12:55:29,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:55:29,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:55:29,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:55:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:55:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 12:55:29,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 12:55:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:29,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:29,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:55:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:55:29,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 12:55:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:29,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 12:55:29,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:55:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:55:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:55:29,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:55:29,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:29,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:55:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:55:29,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:55:29,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-29 12:55:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:55:29,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 12:55:29,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:55:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:55:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 12:55:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:29,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:55:29,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:55:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:55:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:55:29,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-29 12:55:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:29,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:55:29,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:55:29,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:55:29,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:55:29,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:29,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:29,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:55:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:55:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:55:29,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 12:55:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:55:29,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:29,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:55:29,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:29,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 12:55:29,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:55:29,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:29,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:29,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:29,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:29,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-29 12:55:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:55:29,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:55:29,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-29 12:55:29,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:55:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:55:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:55:29,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:29,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:29,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:55:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:55:29,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 12:55:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:29,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:29,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:55:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:55:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 12:55:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:29,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:29,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:55:29,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:29,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:55:29,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 12:55:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:29,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:29,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:55:29,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:29,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:55:29,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 12:55:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:29,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:29,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:29,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:55:29,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:29,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:29,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:29,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:55:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:55:29,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 23 proven. 39 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-10-29 12:55:29,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543217822] [2020-10-29 12:55:29,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:55:29,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 12:55:29,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116698442] [2020-10-29 12:55:29,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 12:55:29,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:55:29,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 12:55:29,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:55:29,925 INFO L87 Difference]: Start difference. First operand 2353 states and 2982 transitions. Second operand 23 states. [2020-10-29 12:55:30,217 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 12:55:30,462 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:55:30,800 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:55:31,075 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:55:31,281 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:55:31,629 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 12:55:32,254 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:55:32,506 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:55:32,776 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:55:34,774 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-29 12:55:35,002 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:55:35,230 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-29 12:55:35,468 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-29 12:55:35,689 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 12:55:36,292 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 12:55:38,047 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-29 12:55:39,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:55:39,099 INFO L93 Difference]: Finished difference Result 4842 states and 6141 transitions. [2020-10-29 12:55:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-29 12:55:39,099 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 210 [2020-10-29 12:55:39,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:55:39,108 INFO L225 Difference]: With dead ends: 4842 [2020-10-29 12:55:39,108 INFO L226 Difference]: Without dead ends: 2482 [2020-10-29 12:55:39,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=488, Invalid=1768, Unknown=0, NotChecked=0, Total=2256 [2020-10-29 12:55:39,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2482 states. [2020-10-29 12:55:39,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2482 to 2399. [2020-10-29 12:55:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2399 states. [2020-10-29 12:55:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2399 states and 3036 transitions. [2020-10-29 12:55:39,449 INFO L78 Accepts]: Start accepts. Automaton has 2399 states and 3036 transitions. Word has length 210 [2020-10-29 12:55:39,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:55:39,449 INFO L481 AbstractCegarLoop]: Abstraction has 2399 states and 3036 transitions. [2020-10-29 12:55:39,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-29 12:55:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 3036 transitions. [2020-10-29 12:55:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-29 12:55:39,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:55:39,454 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:39,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-29 12:55:39,455 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:55:39,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:55:39,455 INFO L82 PathProgramCache]: Analyzing trace with hash -2015310036, now seen corresponding path program 1 times [2020-10-29 12:55:39,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:55:39,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862412693] [2020-10-29 12:55:39,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:55:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:39,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:39,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:39,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:39,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:44,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:44,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-29 12:55:44,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:55:44,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:55:44,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:44,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:55:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-29 12:55:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:55:44,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:44,633 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:55:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:55:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:44,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:44,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:44,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:55:44,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:44,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:44,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:44,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:44,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:44,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:44,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:44,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:55:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:44,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:44,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:44,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:44,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:45,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:45,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:55:45,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:55:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1220 [2020-10-29 12:55:45,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:45,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:55:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 12:55:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:55:45,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:45,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:45,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:45,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:45,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:45,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:55:45,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:45,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:45,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:55:45,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:55:45,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:45,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:45,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:45,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:45,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:45,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:45,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:45,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:45,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:45,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:45,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:45,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:45,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:45,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 12:55:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:45,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:45,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:45,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 12:55:45,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:45,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:45,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:45,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:55:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:45,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:45,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 12:55:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:45,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:45,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:45,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:45,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:45,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:45,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:45,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:45,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:45,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:45,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:45,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:45,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 12:55:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:45,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:45,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:45,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 12:55:45,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:45,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:45,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:45,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 12:55:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:45,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:45,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:55:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:45,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:45,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:45,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:55:45,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:45,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:45,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:45,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:55:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:45,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:45,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:45,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 12:55:45,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:45,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:45,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 12:55:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:45,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:55:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:45,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:45,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:45,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:45,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:45,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:45,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:45,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:45,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 12:55:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:45,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:46,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:55:46,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:55:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:55:46,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:46,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:46,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 12:55:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:55:46,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:46,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:55:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:46,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:46,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-29 12:55:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:46,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:46,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:55:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:46,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:46,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:46,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-29 12:55:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:55:46,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:46,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 12:55:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:55:46,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:46,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:46,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-29 12:55:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:55:46,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:55:46,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-29 12:55:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:46,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:46,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 12:55:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:46,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:46,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:46,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 12:55:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:46,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:46,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:46,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 12:55:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:46,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:46,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 12:55:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:46,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:46,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:46,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:55:46,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:46,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:46,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:46,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:46,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-29 12:55:46,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862412693] [2020-10-29 12:55:46,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:55:46,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:55:46,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604075382] [2020-10-29 12:55:46,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:55:46,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:55:46,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:55:46,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:55:46,319 INFO L87 Difference]: Start difference. First operand 2399 states and 3036 transitions. Second operand 12 states. [2020-10-29 12:55:46,603 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:55:46,788 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:55:46,955 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 12:55:49,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:55:49,135 INFO L93 Difference]: Finished difference Result 3809 states and 4836 transitions. [2020-10-29 12:55:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:55:49,136 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 197 [2020-10-29 12:55:49,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:55:49,143 INFO L225 Difference]: With dead ends: 3809 [2020-10-29 12:55:49,144 INFO L226 Difference]: Without dead ends: 2009 [2020-10-29 12:55:49,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-29 12:55:49,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states. [2020-10-29 12:55:49,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 1982. [2020-10-29 12:55:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1982 states. [2020-10-29 12:55:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1982 states and 2533 transitions. [2020-10-29 12:55:49,401 INFO L78 Accepts]: Start accepts. Automaton has 1982 states and 2533 transitions. Word has length 197 [2020-10-29 12:55:49,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:55:49,402 INFO L481 AbstractCegarLoop]: Abstraction has 1982 states and 2533 transitions. [2020-10-29 12:55:49,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:55:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2533 transitions. [2020-10-29 12:55:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-29 12:55:49,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:55:49,405 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:49,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-29 12:55:49,405 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:55:49,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:55:49,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1203002701, now seen corresponding path program 1 times [2020-10-29 12:55:49,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:55:49,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199213243] [2020-10-29 12:55:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:55:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:49,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:49,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:49,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-29 12:55:52,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:55:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2701 [2020-10-29 12:55:52,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:55:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-29 12:55:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:55:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,288 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 12:55:52,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:55:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:55:52,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:55:52,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:55:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:55:52,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:55:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-29 12:55:52,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:55:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-29 12:55:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:55:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:55:52,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:55:52,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:52,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:52,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 12:55:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:52,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:52,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 12:55:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:52,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:52,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 12:55:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 12:55:52,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:52,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 12:55:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:52,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:52,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 12:55:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 12:55:52,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:52,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 12:55:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:55:52,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:52,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 12:55:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 12:55:52,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:55:52,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:55:52,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 12:55:52,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:55:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:52,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:52,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-29 12:55:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:52,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:55:52,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:55:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:55:52,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:52,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 12:55:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 12:55:52,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:52,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:55:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:52,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:52,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 12:55:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:55:52,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:55:52,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 12:55:52,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:52,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 12:55:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:52,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:52,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:52,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:52,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:52,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:55:52,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:52,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:52,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:53,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-29 12:55:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:53,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:53,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:53,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 12:55:53,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:55:53,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:53,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 12:55:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:53,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:53,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:53,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:53,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:55:53,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:53,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:53,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:53,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:53,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:53,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-29 12:55:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:53,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:53,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:53,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:55:53,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:53,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:55:53,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:53,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:53,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:53,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-29 12:55:53,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:53,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:53,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:55:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:53,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:53,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:53,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:53,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:53,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:53,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:53,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:53,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:53,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:53,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:53,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:53,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 12:55:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:53,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:53,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:53,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:55:53,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:53,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:53,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:53,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:53,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:53,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:55:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:53,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:53,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:53,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:53,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:53,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:53,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:53,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:53,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 12:55:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:53,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:53,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:53,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:55:53,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:53,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:53,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:53,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:53,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:53,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 12:55:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:55:53,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:55:53,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:55:53,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:55:53,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:55:53,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:55:53,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:55:53,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:55:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:55:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:55:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:55:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:55:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-10-29 12:55:53,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199213243] [2020-10-29 12:55:53,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:55:53,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 12:55:53,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182520230] [2020-10-29 12:55:53,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:55:53,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:55:53,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:55:53,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:55:53,201 INFO L87 Difference]: Start difference. First operand 1982 states and 2533 transitions. Second operand 12 states. [2020-10-29 12:55:53,613 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 12:55:54,032 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 124