/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/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=0.2 --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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:49:55,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:49:55,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:49:55,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:49:55,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:49:55,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:49:55,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:49:55,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:49:55,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:49:55,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:49:55,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:49:55,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:49:55,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:49:55,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:49:55,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:49:55,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:49:55,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:49:55,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:49:55,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:49:55,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:49:55,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:49:55,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:49:55,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:49:55,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:49:55,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:49:55,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:49:55,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:49:55,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:49:55,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:49:55,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:49:55,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:49:55,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:49:55,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:49:55,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:49:55,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:49:55,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:49:55,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:49:55,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:49:55,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:49:55,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:49:55,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:49:55,698 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 [2020-10-14 21:49:55,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:49:55,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:49:55,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:49:55,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:49:55,743 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:49:55,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:49:55,744 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:49:55,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:49:55,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:49:55,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:49:55,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:49:55,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:49:55,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:49:55,746 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:49:55,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:49:55,746 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:49:55,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:49:55,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:49:55,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:49:55,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:49:55,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:49:55,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:49:55,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:49:55,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:49:55,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:49:55,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:49:55,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:49:55,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:49:55,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:49:55,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:49:56,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:49:56,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:49:56,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:49:56,117 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:49:56,117 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:49:56,118 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label53.c [2020-10-14 21:49:56,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34e661da3/96b45f49670945a592cdc64eedc8cde3/FLAG04128b758 [2020-10-14 21:49:56,815 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:49:56,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label53.c [2020-10-14 21:49:56,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34e661da3/96b45f49670945a592cdc64eedc8cde3/FLAG04128b758 [2020-10-14 21:49:57,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34e661da3/96b45f49670945a592cdc64eedc8cde3 [2020-10-14 21:49:57,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:49:57,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:49:57,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:49:57,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:49:57,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:49:57,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:49:57" (1/1) ... [2020-10-14 21:49:57,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b22a6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57, skipping insertion in model container [2020-10-14 21:49:57,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:49:57" (1/1) ... [2020-10-14 21:49:57,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:49:57,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:49:57,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:49:57,761 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:49:57,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:49:57,987 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:49:57,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57 WrapperNode [2020-10-14 21:49:57,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:49:57,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:49:57,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:49:57,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:49:58,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57" (1/1) ... [2020-10-14 21:49:58,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57" (1/1) ... [2020-10-14 21:49:58,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57" (1/1) ... [2020-10-14 21:49:58,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57" (1/1) ... [2020-10-14 21:49:58,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57" (1/1) ... [2020-10-14 21:49:58,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57" (1/1) ... [2020-10-14 21:49:58,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57" (1/1) ... [2020-10-14 21:49:58,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:49:58,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:49:58,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:49:58,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:49:58,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57" (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 [2020-10-14 21:49:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:49:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:49:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:49:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:49:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:49:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:49:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:49:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:49:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:49:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:49:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:49:59,654 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:49:59,654 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:49:59,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:49:59 BoogieIcfgContainer [2020-10-14 21:49:59,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:49:59,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:49:59,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:49:59,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:49:59,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:49:57" (1/3) ... [2020-10-14 21:49:59,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3c6409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:49:59, skipping insertion in model container [2020-10-14 21:49:59,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:49:57" (2/3) ... [2020-10-14 21:49:59,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3c6409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:49:59, skipping insertion in model container [2020-10-14 21:49:59,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:49:59" (3/3) ... [2020-10-14 21:49:59,672 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label53.c [2020-10-14 21:49:59,686 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:49:59,696 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:49:59,714 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:49:59,746 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:49:59,746 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:49:59,747 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:49:59,747 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:49:59,747 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:49:59,747 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:49:59,747 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:49:59,748 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:49:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:49:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-14 21:49:59,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:59,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:49:59,785 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:59,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:59,792 INFO L82 PathProgramCache]: Analyzing trace with hash -286173774, now seen corresponding path program 1 times [2020-10-14 21:49:59,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:59,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119569666] [2020-10-14 21:49:59,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:00,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:00,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:00,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 21:50:00,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:00,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-14 21:50:00,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:00,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:50:00,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:00,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 21:50:00,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:50:00,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:00,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:00,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:00,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:00,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:00,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:50:00,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:00,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:00,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:00,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:00,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:00,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:50:00,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119569666] [2020-10-14 21:50:00,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:50:00,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:50:00,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584889361] [2020-10-14 21:50:00,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:50:00,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:00,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:50:00,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:50:00,622 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 21:50:02,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:02,425 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-14 21:50:02,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:50:02,427 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-10-14 21:50:02,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:02,446 INFO L225 Difference]: With dead ends: 698 [2020-10-14 21:50:02,446 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 21:50:02,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:50:02,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 21:50:02,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 21:50:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 21:50:02,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-14 21:50:02,558 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 55 [2020-10-14 21:50:02,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:02,559 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-14 21:50:02,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:50:02,559 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-14 21:50:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 21:50:02,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:02,569 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:50:02,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:50:02,570 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:02,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:02,571 INFO L82 PathProgramCache]: Analyzing trace with hash -19038807, now seen corresponding path program 1 times [2020-10-14 21:50:02,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:02,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575867512] [2020-10-14 21:50:02,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:02,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:02,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:03,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:03,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:03,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:50:03,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:50:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 983 [2020-10-14 21:50:03,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:03,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:50:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:50:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:50:03,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:03,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:03,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:03,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:03,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:03,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:50:03,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:03,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:03,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:03,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:03,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:03,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:03,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:50:03,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:03,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 21:50:03,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:03,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:03,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:03,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 21:50:03,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:50:03,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575867512] [2020-10-14 21:50:03,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:50:03,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:50:03,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894884952] [2020-10-14 21:50:03,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:50:03,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:03,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:50:03,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:03,908 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 7 states. [2020-10-14 21:50:06,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:06,041 INFO L93 Difference]: Finished difference Result 1130 states and 1679 transitions. [2020-10-14 21:50:06,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:50:06,042 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-10-14 21:50:06,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:06,053 INFO L225 Difference]: With dead ends: 1130 [2020-10-14 21:50:06,053 INFO L226 Difference]: Without dead ends: 760 [2020-10-14 21:50:06,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:50:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-14 21:50:06,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 748. [2020-10-14 21:50:06,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-14 21:50:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 986 transitions. [2020-10-14 21:50:06,145 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 986 transitions. Word has length 124 [2020-10-14 21:50:06,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:06,146 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 986 transitions. [2020-10-14 21:50:06,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:50:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 986 transitions. [2020-10-14 21:50:06,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-14 21:50:06,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:06,150 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:50:06,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:50:06,150 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:06,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:06,151 INFO L82 PathProgramCache]: Analyzing trace with hash -638625039, now seen corresponding path program 1 times [2020-10-14 21:50:06,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:06,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477055565] [2020-10-14 21:50:06,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:06,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:06,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:06,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:06,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:50:06,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:06,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 709 [2020-10-14 21:50:06,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:06,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:50:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:50:06,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:07,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:07,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:07,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:07,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:07,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:07,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:50:07,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:07,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:07,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:50:07,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:07,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:07,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:07,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:50:07,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 21:50:07,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:07,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:50:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:50:07,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477055565] [2020-10-14 21:50:07,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:50:07,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 21:50:07,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295862762] [2020-10-14 21:50:07,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:50:07,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:07,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:50:07,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:50:07,290 INFO L87 Difference]: Start difference. First operand 748 states and 986 transitions. Second operand 8 states. [2020-10-14 21:50:09,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:09,972 INFO L93 Difference]: Finished difference Result 2054 states and 2699 transitions. [2020-10-14 21:50:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:50:09,972 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-10-14 21:50:09,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:09,980 INFO L225 Difference]: With dead ends: 2054 [2020-10-14 21:50:09,980 INFO L226 Difference]: Without dead ends: 1312 [2020-10-14 21:50:09,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:50:09,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-10-14 21:50:10,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1300. [2020-10-14 21:50:10,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2020-10-14 21:50:10,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1644 transitions. [2020-10-14 21:50:10,023 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1644 transitions. Word has length 128 [2020-10-14 21:50:10,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:10,024 INFO L479 AbstractCegarLoop]: Abstraction has 1300 states and 1644 transitions. [2020-10-14 21:50:10,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:50:10,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1644 transitions. [2020-10-14 21:50:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-14 21:50:10,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:10,029 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:50:10,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:50:10,030 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:10,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:10,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1040373479, now seen corresponding path program 1 times [2020-10-14 21:50:10,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:10,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843327176] [2020-10-14 21:50:10,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:10,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:10,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:11,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:12,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:12,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-14 21:50:12,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:50:12,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2451 [2020-10-14 21:50:12,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:12,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 21:50:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-14 21:50:12,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:12,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:12,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:12,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:12,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:12,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:50:12,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:12,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:12,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:12,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:12,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:12,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:12,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:50:12,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 21:50:12,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:12,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 21:50:12,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:12,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:50:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:12,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:13,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:13,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:50:13,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:13,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 21:50:13,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:13,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:50:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:50:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 36 proven. 63 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 21:50:13,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843327176] [2020-10-14 21:50:13,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:13,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:13,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947162566] [2020-10-14 21:50:13,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:50:13,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:13,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:50:13,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:50:13,361 INFO L87 Difference]: Start difference. First operand 1300 states and 1644 transitions. Second operand 8 states. [2020-10-14 21:50:15,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:15,436 INFO L93 Difference]: Finished difference Result 2095 states and 2736 transitions. [2020-10-14 21:50:15,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:50:15,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-10-14 21:50:15,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:15,447 INFO L225 Difference]: With dead ends: 2095 [2020-10-14 21:50:15,447 INFO L226 Difference]: Without dead ends: 1316 [2020-10-14 21:50:15,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:50:15,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2020-10-14 21:50:15,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1304. [2020-10-14 21:50:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-10-14 21:50:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1531 transitions. [2020-10-14 21:50:15,500 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1531 transitions. Word has length 212 [2020-10-14 21:50:15,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:15,501 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 1531 transitions. [2020-10-14 21:50:15,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:50:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1531 transitions. [2020-10-14 21:50:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-14 21:50:15,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:15,506 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:50:15,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:50:15,507 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:15,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:15,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1116152755, now seen corresponding path program 1 times [2020-10-14 21:50:15,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:15,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829671766] [2020-10-14 21:50:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:15,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:15,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:15,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:15,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:16,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-14 21:50:19,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:50:19,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3457 [2020-10-14 21:50:19,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:50:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:19,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-14 21:50:19,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:19,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:19,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:50:19,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:19,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:19,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:50:19,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 21:50:19,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:19,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:19,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 21:50:19,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:19,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:50:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:19,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:19,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:19,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:50:19,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:19,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 21:50:19,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:19,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:50:19,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 97 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 21:50:19,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829671766] [2020-10-14 21:50:19,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:19,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:19,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607641167] [2020-10-14 21:50:19,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:50:19,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:19,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:50:19,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:50:19,664 INFO L87 Difference]: Start difference. First operand 1304 states and 1531 transitions. Second operand 8 states. [2020-10-14 21:50:21,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:21,311 INFO L93 Difference]: Finished difference Result 2078 states and 2490 transitions. [2020-10-14 21:50:21,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:50:21,313 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 222 [2020-10-14 21:50:21,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:21,323 INFO L225 Difference]: With dead ends: 2078 [2020-10-14 21:50:21,323 INFO L226 Difference]: Without dead ends: 1330 [2020-10-14 21:50:21,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:50:21,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2020-10-14 21:50:21,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1306. [2020-10-14 21:50:21,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1306 states. [2020-10-14 21:50:21,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 1529 transitions. [2020-10-14 21:50:21,377 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 1529 transitions. Word has length 222 [2020-10-14 21:50:21,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:21,380 INFO L479 AbstractCegarLoop]: Abstraction has 1306 states and 1529 transitions. [2020-10-14 21:50:21,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:50:21,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1529 transitions. [2020-10-14 21:50:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-10-14 21:50:21,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:21,385 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:50:21,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:50:21,386 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:21,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:21,386 INFO L82 PathProgramCache]: Analyzing trace with hash -296087470, now seen corresponding path program 1 times [2020-10-14 21:50:21,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:21,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949760904] [2020-10-14 21:50:21,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:21,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:21,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:22,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:22,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:22,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-14 21:50:22,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:50:22,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1078 [2020-10-14 21:50:22,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:22,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:50:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 21:50:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-14 21:50:22,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:22,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:22,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:22,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:22,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:22,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:22,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:50:22,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:22,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:22,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:22,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:22,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:22,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:22,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:22,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:22,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:50:22,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:22,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 21:50:22,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:22,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:22,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:50:22,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:22,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:50:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:22,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:22,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:23,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:23,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:50:23,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:23,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-14 21:50:23,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:23,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:50:23,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 94 proven. 4 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-14 21:50:23,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949760904] [2020-10-14 21:50:23,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:23,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:23,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305205019] [2020-10-14 21:50:23,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:50:23,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:23,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:50:23,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:23,183 INFO L87 Difference]: Start difference. First operand 1306 states and 1529 transitions. Second operand 7 states. [2020-10-14 21:50:26,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:26,254 INFO L93 Difference]: Finished difference Result 2978 states and 3702 transitions. [2020-10-14 21:50:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:50:26,255 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 279 [2020-10-14 21:50:26,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:26,263 INFO L225 Difference]: With dead ends: 2978 [2020-10-14 21:50:26,263 INFO L226 Difference]: Without dead ends: 1676 [2020-10-14 21:50:26,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:50:26,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2020-10-14 21:50:26,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1674. [2020-10-14 21:50:26,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1674 states. [2020-10-14 21:50:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2016 transitions. [2020-10-14 21:50:26,314 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2016 transitions. Word has length 279 [2020-10-14 21:50:26,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:26,315 INFO L479 AbstractCegarLoop]: Abstraction has 1674 states and 2016 transitions. [2020-10-14 21:50:26,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:50:26,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2016 transitions. [2020-10-14 21:50:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-10-14 21:50:26,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:26,329 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:50:26,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:50:26,329 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:26,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:26,330 INFO L82 PathProgramCache]: Analyzing trace with hash -479730326, now seen corresponding path program 1 times [2020-10-14 21:50:26,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:26,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451602960] [2020-10-14 21:50:26,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:26,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:26,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:26,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:27,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:29,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:30,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:31,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:31,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 469 [2020-10-14 21:50:31,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:50:31,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 21:50:31,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:31,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:50:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:50:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-14 21:50:31,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:31,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:31,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:31,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:31,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:31,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:31,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:50:31,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:31,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:31,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:31,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:31,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:31,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:31,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:31,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:31,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:50:31,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:31,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:31,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:31,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:31,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:50:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:31,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:31,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:31,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:50:31,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:31,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 21:50:31,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:31,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:31,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:31,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:31,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:50:31,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:31,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:50:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:31,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:31,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:31,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:31,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:50:31,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:31,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:50:31,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:31,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:50:31,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:31,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-14 21:50:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:31,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:32,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:32,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:50:32,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:32,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-14 21:50:32,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:32,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:32,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:32,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:32,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:50:32,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 470 proven. 4 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-10-14 21:50:32,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451602960] [2020-10-14 21:50:32,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:32,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:50:32,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095021757] [2020-10-14 21:50:32,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:50:32,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:32,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:50:32,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:50:32,593 INFO L87 Difference]: Start difference. First operand 1674 states and 2016 transitions. Second operand 8 states. [2020-10-14 21:50:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:35,074 INFO L93 Difference]: Finished difference Result 5032 states and 6364 transitions. [2020-10-14 21:50:35,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:50:35,081 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 453 [2020-10-14 21:50:35,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:35,103 INFO L225 Difference]: With dead ends: 5032 [2020-10-14 21:50:35,103 INFO L226 Difference]: Without dead ends: 3354 [2020-10-14 21:50:35,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:50:35,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3354 states. [2020-10-14 21:50:35,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3354 to 3164. [2020-10-14 21:50:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2020-10-14 21:50:35,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 3533 transitions. [2020-10-14 21:50:35,192 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 3533 transitions. Word has length 453 [2020-10-14 21:50:35,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:35,193 INFO L479 AbstractCegarLoop]: Abstraction has 3164 states and 3533 transitions. [2020-10-14 21:50:35,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:50:35,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 3533 transitions. [2020-10-14 21:50:35,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2020-10-14 21:50:35,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:35,205 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:50:35,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:50:35,206 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:35,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:35,206 INFO L82 PathProgramCache]: Analyzing trace with hash 735277673, now seen corresponding path program 1 times [2020-10-14 21:50:35,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:35,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554892522] [2020-10-14 21:50:35,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:35,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:35,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:35,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:36,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:40,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:40,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 482 [2020-10-14 21:50:40,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:50:40,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 21:50:40,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:40,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:50:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:50:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-14 21:50:40,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:40,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:40,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:40,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:40,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:40,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:40,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:50:40,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:40,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:40,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:40,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:40,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:50:40,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:40,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:40,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:40,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:40,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:40,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:40,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 21:50:40,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:40,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:40,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:40,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:40,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:50:40,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:40,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:50:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:40,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:40,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:40,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:50:40,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:40,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 21:50:40,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:40,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:50:40,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:40,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 21:50:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:40,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:40,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:40,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:50:40,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:40,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:50:40,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:40,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:40,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:40,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 21:50:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 21:50:40,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-10-14 21:50:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:41,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:41,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:41,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:50:41,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:41,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:50:41,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:41,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:41,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:41,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 21:50:41,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:41,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 201 proven. 421 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-14 21:50:41,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554892522] [2020-10-14 21:50:41,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:41,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:50:41,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504772385] [2020-10-14 21:50:41,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:50:41,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:41,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:50:41,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:50:41,591 INFO L87 Difference]: Start difference. First operand 3164 states and 3533 transitions. Second operand 8 states. [2020-10-14 21:50:43,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:43,047 INFO L93 Difference]: Finished difference Result 5962 states and 6699 transitions. [2020-10-14 21:50:43,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:50:43,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 466 [2020-10-14 21:50:43,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:43,062 INFO L225 Difference]: With dead ends: 5962 [2020-10-14 21:50:43,063 INFO L226 Difference]: Without dead ends: 3170 [2020-10-14 21:50:43,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:50:43,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2020-10-14 21:50:43,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3164. [2020-10-14 21:50:43,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2020-10-14 21:50:43,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 3531 transitions. [2020-10-14 21:50:43,151 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 3531 transitions. Word has length 466 [2020-10-14 21:50:43,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:43,152 INFO L479 AbstractCegarLoop]: Abstraction has 3164 states and 3531 transitions. [2020-10-14 21:50:43,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:50:43,152 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 3531 transitions. [2020-10-14 21:50:43,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2020-10-14 21:50:43,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:43,161 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:50:43,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:50:43,161 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:43,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:43,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1028429237, now seen corresponding path program 1 times [2020-10-14 21:50:43,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:43,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466082757] [2020-10-14 21:50:43,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:43,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:43,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:43,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:45,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:48,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:48,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 678 [2020-10-14 21:50:48,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:50:48,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-14 21:50:48,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:48,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:50:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:50:48,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:48,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:48,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:48,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:48,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:48,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:48,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:50:48,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:48,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:48,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:48,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:48,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:48,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:48,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:48,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:48,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:48,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:50:48,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:48,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:48,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:48,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:48,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:50:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:48,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:48,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:48,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:50:48,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:48,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 21:50:48,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:48,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:48,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:50:48,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:48,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:50:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:48,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:48,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:48,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:50:48,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:48,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-14 21:50:48,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:48,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:50:48,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:48,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:50:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:48,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:49,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:49,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 21:50:49,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:49,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 21:50:49,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:49,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-14 21:50:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:49,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:49,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-10-14 21:50:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:49,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:49,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:49,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:50:49,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:49,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:50:49,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:49,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 21:50:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:49,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:49,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 474 proven. 205 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2020-10-14 21:50:49,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466082757] [2020-10-14 21:50:49,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:49,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:50:49,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991981438] [2020-10-14 21:50:49,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:50:49,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:49,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:50:49,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:50:49,462 INFO L87 Difference]: Start difference. First operand 3164 states and 3531 transitions. Second operand 7 states. [2020-10-14 21:50:50,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:50,962 INFO L93 Difference]: Finished difference Result 6516 states and 7425 transitions. [2020-10-14 21:50:50,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:50:50,966 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 660 [2020-10-14 21:50:50,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:50,978 INFO L225 Difference]: With dead ends: 6516 [2020-10-14 21:50:50,979 INFO L226 Difference]: Without dead ends: 3540 [2020-10-14 21:50:50,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:50:50,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2020-10-14 21:50:51,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3540. [2020-10-14 21:50:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2020-10-14 21:50:51,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 3967 transitions. [2020-10-14 21:50:51,058 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 3967 transitions. Word has length 660 [2020-10-14 21:50:51,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:51,059 INFO L479 AbstractCegarLoop]: Abstraction has 3540 states and 3967 transitions. [2020-10-14 21:50:51,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:50:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 3967 transitions. [2020-10-14 21:50:51,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2020-10-14 21:50:51,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:51,068 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 21:50:51,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:50:51,069 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:51,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:51,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1827966638, now seen corresponding path program 1 times [2020-10-14 21:50:51,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:51,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102240549] [2020-10-14 21:50:51,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:51,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:51,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:51,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:52,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:56,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:56,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 705 [2020-10-14 21:50:56,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:50:56,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-14 21:50:56,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:56,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:56,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:50:56,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:50:56,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 248 [2020-10-14 21:50:56,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:56,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:50:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:56,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:56,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:56,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:50:56,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:56,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:50:56,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:56,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:56,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:56,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:50:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:56,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:56,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:56,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:56,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:56,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:50:56,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:56,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:56,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:56,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:50:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:56,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:56,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:56,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:50:56,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:56,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:50:56,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:56,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:50:56,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:56,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:50:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:56,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:56,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:56,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:56,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:50:56,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:50:56,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 21:50:56,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:56,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:50:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:50:56,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:50:56,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:56,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:50:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:56,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:56,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:56,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:50:56,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:56,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 21:50:56,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:56,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:50:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:50:56,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:50:56,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:50:56,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-14 21:50:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:56,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:57,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:57,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:50:57,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:57,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:50:57,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:57,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:57,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:57,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 21:50:57,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:57,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:57,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-10-14 21:50:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:57,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:57,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:50:57,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:50:57,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:50:57,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:50:57,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:50:57,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:50:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:50:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 21:50:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:50:57,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:50:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1690 backedges. 645 proven. 170 refuted. 0 times theorem prover too weak. 875 trivial. 0 not checked. [2020-10-14 21:50:57,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102240549] [2020-10-14 21:50:57,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:50:57,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:50:57,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822442454] [2020-10-14 21:50:57,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:50:57,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:50:57,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:50:57,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:50:57,418 INFO L87 Difference]: Start difference. First operand 3540 states and 3967 transitions. Second operand 8 states. [2020-10-14 21:50:59,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:50:59,281 INFO L93 Difference]: Finished difference Result 7076 states and 7949 transitions. [2020-10-14 21:50:59,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:50:59,281 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 685 [2020-10-14 21:50:59,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:50:59,298 INFO L225 Difference]: With dead ends: 7076 [2020-10-14 21:50:59,299 INFO L226 Difference]: Without dead ends: 3908 [2020-10-14 21:50:59,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:50:59,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2020-10-14 21:50:59,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3724. [2020-10-14 21:50:59,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3724 states. [2020-10-14 21:50:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 3724 states and 4159 transitions. [2020-10-14 21:50:59,394 INFO L78 Accepts]: Start accepts. Automaton has 3724 states and 4159 transitions. Word has length 685 [2020-10-14 21:50:59,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:50:59,394 INFO L479 AbstractCegarLoop]: Abstraction has 3724 states and 4159 transitions. [2020-10-14 21:50:59,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:50:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3724 states and 4159 transitions. [2020-10-14 21:50:59,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2020-10-14 21:50:59,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:50:59,406 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 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] [2020-10-14 21:50:59,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:50:59,407 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:50:59,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:50:59,408 INFO L82 PathProgramCache]: Analyzing trace with hash 704277562, now seen corresponding path program 1 times [2020-10-14 21:50:59,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:50:59,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714852886] [2020-10-14 21:50:59,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:50:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:50:59,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:59,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:50:59,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:01,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:04,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:04,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 779 [2020-10-14 21:51:04,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:51:04,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 21:51:04,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:04,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:51:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 21:51:04,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:04,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:04,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:04,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:04,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:04,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:04,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:51:04,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:04,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:04,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:04,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:04,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:04,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:04,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:04,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:04,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:04,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:04,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:51:04,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:04,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:04,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:04,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:04,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:04,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:04,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:04,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:51:04,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:04,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:04,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:04,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:04,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:04,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:04,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:04,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:51:04,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:04,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:04,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:04,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:04,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:04,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:04,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:51:04,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:04,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:51:04,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:04,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:04,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:04,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:04,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:51:04,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:04,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:51:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:04,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:04,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:04,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 21:51:04,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:04,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 21:51:04,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:04,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:04,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:04,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:04,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 21:51:04,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:05,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-10-14 21:51:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:05,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:05,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:05,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:51:05,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:05,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:51:05,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:05,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:05,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:05,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 21:51:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:05,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:05,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1874 backedges. 754 proven. 94 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2020-10-14 21:51:05,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714852886] [2020-10-14 21:51:05,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:05,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:51:05,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71147113] [2020-10-14 21:51:05,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:51:05,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:05,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:51:05,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:51:05,332 INFO L87 Difference]: Start difference. First operand 3724 states and 4159 transitions. Second operand 7 states. [2020-10-14 21:51:06,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:06,766 INFO L93 Difference]: Finished difference Result 8376 states and 9604 transitions. [2020-10-14 21:51:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:51:06,767 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 759 [2020-10-14 21:51:06,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:06,788 INFO L225 Difference]: With dead ends: 8376 [2020-10-14 21:51:06,788 INFO L226 Difference]: Without dead ends: 5024 [2020-10-14 21:51:06,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:51:06,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5024 states. [2020-10-14 21:51:06,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5024 to 4836. [2020-10-14 21:51:06,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4836 states. [2020-10-14 21:51:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4836 states to 4836 states and 5537 transitions. [2020-10-14 21:51:06,890 INFO L78 Accepts]: Start accepts. Automaton has 4836 states and 5537 transitions. Word has length 759 [2020-10-14 21:51:06,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:06,891 INFO L479 AbstractCegarLoop]: Abstraction has 4836 states and 5537 transitions. [2020-10-14 21:51:06,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:51:06,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4836 states and 5537 transitions. [2020-10-14 21:51:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2020-10-14 21:51:06,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:06,902 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 21:51:06,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:51:06,902 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:06,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:06,903 INFO L82 PathProgramCache]: Analyzing trace with hash 458111646, now seen corresponding path program 1 times [2020-10-14 21:51:06,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:06,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444747970] [2020-10-14 21:51:06,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:07,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:07,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:07,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:09,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:12,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 821 [2020-10-14 21:51:12,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:51:12,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 21:51:12,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:12,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:51:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:51:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-14 21:51:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:12,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:12,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:12,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:12,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:12,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:51:12,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:12,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:12,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:12,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:12,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:12,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:12,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:12,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:51:12,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:12,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:12,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:12,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:12,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:12,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:12,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:12,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:51:12,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:12,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:12,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:12,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:12,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:12,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:12,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:12,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:51:12,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:12,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:12,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:12,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:12,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:12,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:12,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:12,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:12,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:51:12,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:12,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:51:12,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:12,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:51:12,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:51:12,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:51:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:12,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:12,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:51:12,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:51:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 21:51:12,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:12,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 21:51:12,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:12,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2020-10-14 21:51:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:12,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:12,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:51:12,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:51:12,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:12,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:51:12,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:12,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2020-10-14 21:51:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:12,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:12,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:12,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:51:12,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:12,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:51:12,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:12,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:12,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:12,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 21:51:12,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:12,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:12,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 741 proven. 76 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2020-10-14 21:51:12,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444747970] [2020-10-14 21:51:12,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:12,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:51:12,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713970026] [2020-10-14 21:51:12,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:51:12,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:12,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:51:12,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:51:12,935 INFO L87 Difference]: Start difference. First operand 4836 states and 5537 transitions. Second operand 8 states. [2020-10-14 21:51:14,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:14,772 INFO L93 Difference]: Finished difference Result 9484 states and 10899 transitions. [2020-10-14 21:51:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:51:14,777 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 799 [2020-10-14 21:51:14,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:14,808 INFO L225 Difference]: With dead ends: 9484 [2020-10-14 21:51:14,809 INFO L226 Difference]: Without dead ends: 5020 [2020-10-14 21:51:14,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:51:14,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5020 states. [2020-10-14 21:51:14,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5020 to 4652. [2020-10-14 21:51:14,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4652 states. [2020-10-14 21:51:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 5326 transitions. [2020-10-14 21:51:14,914 INFO L78 Accepts]: Start accepts. Automaton has 4652 states and 5326 transitions. Word has length 799 [2020-10-14 21:51:14,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:14,915 INFO L479 AbstractCegarLoop]: Abstraction has 4652 states and 5326 transitions. [2020-10-14 21:51:14,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:51:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 4652 states and 5326 transitions. [2020-10-14 21:51:14,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2020-10-14 21:51:14,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:14,927 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 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] [2020-10-14 21:51:14,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:51:14,928 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:14,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:14,928 INFO L82 PathProgramCache]: Analyzing trace with hash 701980274, now seen corresponding path program 1 times [2020-10-14 21:51:14,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:14,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [98438880] [2020-10-14 21:51:14,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:15,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:15,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:15,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:20,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:20,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 857 [2020-10-14 21:51:20,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:51:20,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 21:51:20,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:20,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:20,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:51:20,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 589 [2020-10-14 21:51:20,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 21:51:20,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:20,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:20,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:20,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:20,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:20,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:20,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:51:20,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:20,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:20,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:20,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:20,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:20,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:20,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:20,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:20,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:51:20,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:20,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:20,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:20,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:20,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:20,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:20,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:20,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:20,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:20,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:20,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:51:20,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:20,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:20,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:20,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:20,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:20,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:20,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:20,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:51:20,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:20,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:20,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:20,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:20,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:20,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:51:20,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:20,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:51:20,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:20,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:20,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:20,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:20,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:20,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:20,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:51:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:20,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:20,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:20,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:51:20,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:51:20,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:20,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:51:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:20,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:51:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:20,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:20,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 21:51:20,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:20,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 21:51:20,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:20,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:20,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:51:20,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:20,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 21:51:20,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:20,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2020-10-14 21:51:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:20,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:20,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:20,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:20,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:51:20,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:51:20,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:51:20,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:20,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:51:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2378 backedges. 1343 proven. 68 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2020-10-14 21:51:21,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [98438880] [2020-10-14 21:51:21,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:21,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:51:21,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891617624] [2020-10-14 21:51:21,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:51:21,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:21,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:51:21,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:51:21,402 INFO L87 Difference]: Start difference. First operand 4652 states and 5326 transitions. Second operand 9 states. [2020-10-14 21:51:23,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:23,794 INFO L93 Difference]: Finished difference Result 9935 states and 11595 transitions. [2020-10-14 21:51:23,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 21:51:23,794 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 835 [2020-10-14 21:51:23,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:23,814 INFO L225 Difference]: With dead ends: 9935 [2020-10-14 21:51:23,814 INFO L226 Difference]: Without dead ends: 5620 [2020-10-14 21:51:23,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-14 21:51:23,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5620 states. [2020-10-14 21:51:23,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5620 to 5586. [2020-10-14 21:51:23,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5586 states. [2020-10-14 21:51:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5586 states to 5586 states and 6557 transitions. [2020-10-14 21:51:23,929 INFO L78 Accepts]: Start accepts. Automaton has 5586 states and 6557 transitions. Word has length 835 [2020-10-14 21:51:23,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:23,930 INFO L479 AbstractCegarLoop]: Abstraction has 5586 states and 6557 transitions. [2020-10-14 21:51:23,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:51:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 5586 states and 6557 transitions. [2020-10-14 21:51:23,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2020-10-14 21:51:23,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:23,954 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:51:23,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:51:23,954 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:23,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:23,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1314660769, now seen corresponding path program 1 times [2020-10-14 21:51:23,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:23,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409253280] [2020-10-14 21:51:23,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:24,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:24,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:24,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 890 [2020-10-14 21:51:29,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:51:29,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 21:51:29,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:51:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 589 [2020-10-14 21:51:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 21:51:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:29,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:51:29,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:29,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:51:29,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:29,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:29,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:29,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:51:29,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:29,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:29,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:51:29,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:51:29,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:51:29,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:29,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:29,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:51:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:51:29,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:51:29,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:29,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:29,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:51:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:51:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:51:29,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:29,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 21:51:29,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:51:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-14 21:51:29,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:29,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2020-10-14 21:51:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:29,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:29,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:29,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:51:29,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:51:29,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 21:51:29,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:29,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:29,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:29,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:29,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:51:29,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2414 backedges. 1353 proven. 94 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2020-10-14 21:51:30,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409253280] [2020-10-14 21:51:30,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:30,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 21:51:30,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609373798] [2020-10-14 21:51:30,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 21:51:30,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:30,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 21:51:30,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:51:30,866 INFO L87 Difference]: Start difference. First operand 5586 states and 6557 transitions. Second operand 10 states. [2020-10-14 21:51:33,232 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-10-14 21:51:33,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:33,908 INFO L93 Difference]: Finished difference Result 11067 states and 13047 transitions. [2020-10-14 21:51:33,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 21:51:33,909 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 868 [2020-10-14 21:51:33,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:33,929 INFO L225 Difference]: With dead ends: 11067 [2020-10-14 21:51:33,929 INFO L226 Difference]: Without dead ends: 5820 [2020-10-14 21:51:33,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2020-10-14 21:51:33,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5820 states. [2020-10-14 21:51:34,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5820 to 5592. [2020-10-14 21:51:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5592 states. [2020-10-14 21:51:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5592 states to 5592 states and 6561 transitions. [2020-10-14 21:51:34,060 INFO L78 Accepts]: Start accepts. Automaton has 5592 states and 6561 transitions. Word has length 868 [2020-10-14 21:51:34,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:34,061 INFO L479 AbstractCegarLoop]: Abstraction has 5592 states and 6561 transitions. [2020-10-14 21:51:34,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 21:51:34,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5592 states and 6561 transitions. [2020-10-14 21:51:34,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2020-10-14 21:51:34,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:34,171 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:51:34,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:51:34,171 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:34,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:34,172 INFO L82 PathProgramCache]: Analyzing trace with hash 284515214, now seen corresponding path program 1 times [2020-10-14 21:51:34,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:34,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280123652] [2020-10-14 21:51:34,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:34,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:34,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:34,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:39,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:39,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 891 [2020-10-14 21:51:39,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:51:39,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 21:51:39,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:39,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:51:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 589 [2020-10-14 21:51:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-14 21:51:39,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:39,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:39,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:39,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:39,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:39,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:51:39,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:39,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:39,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:39,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:39,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:39,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:39,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:39,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:39,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:39,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:39,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:39,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:51:39,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:39,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:39,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:39,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:39,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:39,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:39,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:39,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:39,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:51:39,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:39,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:39,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:39,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:39,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:39,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:39,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:39,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:51:39,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:39,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:39,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:39,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:39,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:39,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:39,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:39,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:39,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:39,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:51:39,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:51:39,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:39,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:39,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:51:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:39,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:39,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:39,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:51:39,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:39,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:51:39,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:39,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:51:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:39,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:51:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:39,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:39,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:39,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 21:51:39,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:39,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 21:51:39,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:39,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:39,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:51:39,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 21:51:39,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:51:40,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2020-10-14 21:51:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:40,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:40,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:40,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:40,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:51:40,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:51:40,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 21:51:40,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:40,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:51:40,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 1380 proven. 68 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2020-10-14 21:51:40,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280123652] [2020-10-14 21:51:40,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:40,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:51:40,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433781069] [2020-10-14 21:51:40,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:51:40,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:40,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:51:40,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:51:40,838 INFO L87 Difference]: Start difference. First operand 5592 states and 6561 transitions. Second operand 9 states. [2020-10-14 21:51:43,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:43,289 INFO L93 Difference]: Finished difference Result 11069 states and 13038 transitions. [2020-10-14 21:51:43,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 21:51:43,290 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 869 [2020-10-14 21:51:43,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:43,313 INFO L225 Difference]: With dead ends: 11069 [2020-10-14 21:51:43,314 INFO L226 Difference]: Without dead ends: 5812 [2020-10-14 21:51:43,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2020-10-14 21:51:43,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2020-10-14 21:51:43,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 5590. [2020-10-14 21:51:43,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5590 states. [2020-10-14 21:51:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5590 states to 5590 states and 6542 transitions. [2020-10-14 21:51:43,472 INFO L78 Accepts]: Start accepts. Automaton has 5590 states and 6542 transitions. Word has length 869 [2020-10-14 21:51:43,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:43,473 INFO L479 AbstractCegarLoop]: Abstraction has 5590 states and 6542 transitions. [2020-10-14 21:51:43,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:51:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 5590 states and 6542 transitions. [2020-10-14 21:51:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2020-10-14 21:51:43,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:43,498 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:51:43,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:51:43,499 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:43,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:43,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1074094431, now seen corresponding path program 1 times [2020-10-14 21:51:43,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:43,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771368661] [2020-10-14 21:51:43,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:43,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:44,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:44,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:44,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:48,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:48,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 902 [2020-10-14 21:51:48,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:51:48,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5079 [2020-10-14 21:51:48,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:48,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:51:48,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 21:51:48,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:49,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:49,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:49,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:49,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:49,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:49,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:51:49,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:49,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:49,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:49,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:49,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:49,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:49,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:49,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:49,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:51:49,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:49,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:49,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:51:49,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:49,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:49,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:49,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:49,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:51:49,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:49,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:49,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:49,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:49,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:49,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:49,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:49,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:49,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:51:49,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:49,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:49,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:49,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:49,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:49,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:49,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:51:49,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:49,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 21:51:49,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:49,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:51:49,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:49,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:51:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:49,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:49,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:49,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 21:51:49,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:49,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-14 21:51:49,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:49,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-14 21:51:49,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:49,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2020-10-14 21:51:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:49,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:49,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:49,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:51:49,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:51:49,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:49,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:49,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:49,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 21:51:49,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:49,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 21:51:49,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 738 [2020-10-14 21:51:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:49,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:49,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:49,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:51:49,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:51:49,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:49,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 21:51:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:49,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:50,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2408 backedges. 866 proven. 164 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2020-10-14 21:51:50,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [771368661] [2020-10-14 21:51:50,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:50,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:51:50,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591299329] [2020-10-14 21:51:50,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:51:50,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:50,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:51:50,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:51:50,483 INFO L87 Difference]: Start difference. First operand 5590 states and 6542 transitions. Second operand 7 states. [2020-10-14 21:51:52,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:51:52,154 INFO L93 Difference]: Finished difference Result 12656 states and 15160 transitions. [2020-10-14 21:51:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:51:52,159 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 880 [2020-10-14 21:51:52,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:51:52,181 INFO L225 Difference]: With dead ends: 12656 [2020-10-14 21:51:52,181 INFO L226 Difference]: Without dead ends: 7248 [2020-10-14 21:51:52,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:51:52,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7248 states. [2020-10-14 21:51:52,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7248 to 7064. [2020-10-14 21:51:52,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7064 states. [2020-10-14 21:51:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7064 states to 7064 states and 8156 transitions. [2020-10-14 21:51:52,311 INFO L78 Accepts]: Start accepts. Automaton has 7064 states and 8156 transitions. Word has length 880 [2020-10-14 21:51:52,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:51:52,311 INFO L479 AbstractCegarLoop]: Abstraction has 7064 states and 8156 transitions. [2020-10-14 21:51:52,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:51:52,312 INFO L276 IsEmpty]: Start isEmpty. Operand 7064 states and 8156 transitions. [2020-10-14 21:51:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 899 [2020-10-14 21:51:52,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:51:52,327 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:51:52,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:51:52,328 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:51:52,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:51:52,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1123946597, now seen corresponding path program 1 times [2020-10-14 21:51:52,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:51:52,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470876538] [2020-10-14 21:51:52,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:51:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:52,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:52,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:53,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:53,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:54,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:55,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:57,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:57,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 920 [2020-10-14 21:51:57,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:51:57,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-10-14 21:51:57,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:57,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:57,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:57,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 529 [2020-10-14 21:51:57,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 21:51:57,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:57,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:51:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:57,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:57,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:57,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:51:57,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:57,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:51:57,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:57,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:57,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:57,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:51:57,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:51:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:57,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:57,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:57,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:51:57,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:57,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:51:57,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:57,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:57,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:51:57,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:51:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:57,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:57,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:57,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:51:57,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:57,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:51:57,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:57,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:57,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:57,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:57,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:57,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:51:57,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:51:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:57,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:57,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:57,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:51:57,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:57,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 21:51:57,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:57,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:51:57,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:51:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:58,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:58,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:58,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:51:58,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:58,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 21:51:58,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:58,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:58,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:51:58,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:51:58,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 21:51:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:51:58,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:51:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:58,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:58,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:58,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 21:51:58,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:58,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 21:51:58,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:58,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:58,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:51:58,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:51:58,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-14 21:51:58,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:58,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2020-10-14 21:51:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:58,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:58,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:58,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:51:58,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:58,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:51:58,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:58,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 21:51:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:58,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:58,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2020-10-14 21:51:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:51:58,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:51:58,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:51:58,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:51:58,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:51:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:51:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:51:58,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:51:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:51:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 21:51:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:51:58,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:51:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 869 proven. 164 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2020-10-14 21:51:59,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470876538] [2020-10-14 21:51:59,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:51:59,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:51:59,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143486760] [2020-10-14 21:51:59,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:51:59,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:51:59,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:51:59,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:51:59,042 INFO L87 Difference]: Start difference. First operand 7064 states and 8156 transitions. Second operand 7 states. [2020-10-14 21:52:00,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:00,720 INFO L93 Difference]: Finished difference Result 15778 states and 18509 transitions. [2020-10-14 21:52:00,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:52:00,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 898 [2020-10-14 21:52:00,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:00,743 INFO L225 Difference]: With dead ends: 15778 [2020-10-14 21:52:00,743 INFO L226 Difference]: Without dead ends: 8902 [2020-10-14 21:52:00,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:52:00,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8902 states. [2020-10-14 21:52:00,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8902 to 8534. [2020-10-14 21:52:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8534 states. [2020-10-14 21:52:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8534 states to 8534 states and 9723 transitions. [2020-10-14 21:52:00,897 INFO L78 Accepts]: Start accepts. Automaton has 8534 states and 9723 transitions. Word has length 898 [2020-10-14 21:52:00,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:00,898 INFO L479 AbstractCegarLoop]: Abstraction has 8534 states and 9723 transitions. [2020-10-14 21:52:00,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:52:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 8534 states and 9723 transitions. [2020-10-14 21:52:00,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991 [2020-10-14 21:52:00,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:00,916 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:52:00,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:52:00,916 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:00,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:00,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1249623965, now seen corresponding path program 1 times [2020-10-14 21:52:00,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:00,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450077880] [2020-10-14 21:52:00,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:01,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1014 [2020-10-14 21:52:02,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1343 [2020-10-14 21:52:02,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:52:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:52:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-14 21:52:02,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:02,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:52:02,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:02,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:02,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 21:52:02,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:02,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:02,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:52:02,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:02,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:02,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:02,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:52:02,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:02,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:02,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:52:02,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:02,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:02,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:52:02,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:02,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:02,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:02,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:02,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:02,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:02,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:52:02,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:02,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:02,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:52:02,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:02,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:02,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:03,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:03,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:03,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:03,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 21:52:03,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:03,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:03,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:52:03,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:03,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:52:03,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:03,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:03,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:03,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:03,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:52:03,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:03,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:52:03,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:03,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:03,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:03,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:03,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:52:03,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3009 backedges. 1558 proven. 85 refuted. 0 times theorem prover too weak. 1366 trivial. 0 not checked. [2020-10-14 21:52:03,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450077880] [2020-10-14 21:52:03,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:03,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 21:52:03,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481764375] [2020-10-14 21:52:03,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 21:52:03,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:03,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 21:52:03,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:52:03,784 INFO L87 Difference]: Start difference. First operand 8534 states and 9723 transitions. Second operand 10 states. [2020-10-14 21:52:06,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:06,693 INFO L93 Difference]: Finished difference Result 17278 states and 19740 transitions. [2020-10-14 21:52:06,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 21:52:06,697 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 990 [2020-10-14 21:52:06,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:06,722 INFO L225 Difference]: With dead ends: 17278 [2020-10-14 21:52:06,723 INFO L226 Difference]: Without dead ends: 9116 [2020-10-14 21:52:06,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-14 21:52:06,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9116 states. [2020-10-14 21:52:06,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9116 to 8900. [2020-10-14 21:52:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8900 states. [2020-10-14 21:52:06,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8900 states to 8900 states and 10096 transitions. [2020-10-14 21:52:06,901 INFO L78 Accepts]: Start accepts. Automaton has 8900 states and 10096 transitions. Word has length 990 [2020-10-14 21:52:06,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:06,902 INFO L479 AbstractCegarLoop]: Abstraction has 8900 states and 10096 transitions. [2020-10-14 21:52:06,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 21:52:06,902 INFO L276 IsEmpty]: Start isEmpty. Operand 8900 states and 10096 transitions. [2020-10-14 21:52:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1054 [2020-10-14 21:52:06,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:06,921 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:52:06,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:52:06,921 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:06,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:06,922 INFO L82 PathProgramCache]: Analyzing trace with hash -302513878, now seen corresponding path program 1 times [2020-10-14 21:52:06,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:06,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935739508] [2020-10-14 21:52:06,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:07,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:08,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:09,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:10,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:12,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:12,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1077 [2020-10-14 21:52:12,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:52:12,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 21:52:12,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:12,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:12,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:12,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 925 [2020-10-14 21:52:12,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 21:52:12,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:12,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:12,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:12,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:12,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:12,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:12,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:52:12,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:12,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:12,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:12,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:12,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:12,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:12,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:12,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:12,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:52:12,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:12,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:12,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:12,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:12,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:12,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:12,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:12,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:12,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:12,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:12,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:12,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:52:12,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:12,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:12,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:12,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:12,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:12,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:12,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:12,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:12,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:12,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:12,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:52:12,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:12,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:12,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:12,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:12,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:12,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:52:12,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:12,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 21:52:12,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:12,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:12,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:12,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:12,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:12,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:12,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:52:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:12,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:12,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:12,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 21:52:12,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:52:12,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:12,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:12,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 21:52:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:12,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:12,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:12,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 21:52:12,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:52:12,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:12,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:12,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:12,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 838 [2020-10-14 21:52:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:12,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:12,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:12,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:52:12,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:12,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:52:12,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:12,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:52:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:12,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2020-10-14 21:52:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:12,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:12,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:12,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 21:52:12,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:12,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 21:52:12,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:12,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:52:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3281 backedges. 1036 proven. 2 refuted. 0 times theorem prover too weak. 2243 trivial. 0 not checked. [2020-10-14 21:52:13,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935739508] [2020-10-14 21:52:13,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:13,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:52:13,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54850211] [2020-10-14 21:52:13,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:52:13,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:13,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:52:13,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:52:13,253 INFO L87 Difference]: Start difference. First operand 8900 states and 10096 transitions. Second operand 7 states. [2020-10-14 21:52:15,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:15,118 INFO L93 Difference]: Finished difference Result 18522 states and 21260 transitions. [2020-10-14 21:52:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:52:15,119 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1053 [2020-10-14 21:52:15,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:15,158 INFO L225 Difference]: With dead ends: 18522 [2020-10-14 21:52:15,158 INFO L226 Difference]: Without dead ends: 9620 [2020-10-14 21:52:15,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:52:15,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9620 states. [2020-10-14 21:52:15,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9620 to 9254. [2020-10-14 21:52:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9254 states. [2020-10-14 21:52:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9254 states to 9254 states and 10340 transitions. [2020-10-14 21:52:15,348 INFO L78 Accepts]: Start accepts. Automaton has 9254 states and 10340 transitions. Word has length 1053 [2020-10-14 21:52:15,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:15,349 INFO L479 AbstractCegarLoop]: Abstraction has 9254 states and 10340 transitions. [2020-10-14 21:52:15,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:52:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 9254 states and 10340 transitions. [2020-10-14 21:52:15,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2020-10-14 21:52:15,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:15,370 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2020-10-14 21:52:15,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:52:15,370 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:15,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:15,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1510132885, now seen corresponding path program 1 times [2020-10-14 21:52:15,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:15,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837546054] [2020-10-14 21:52:15,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:15,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:16,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1174 [2020-10-14 21:52:19,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:52:19,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3899 [2020-10-14 21:52:19,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 850 [2020-10-14 21:52:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:52:19,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:19,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:52:19,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:19,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:52:19,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:19,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:52:19,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:19,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:52:19,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:19,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:19,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:19,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:19,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:52:19,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:19,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:52:19,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:19,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:19,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:19,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:19,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:20,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:52:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:20,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:20,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:20,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 21:52:20,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:20,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:52:20,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:20,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:20,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:20,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:20,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:20,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:20,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 21:52:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:20,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:20,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:20,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 21:52:20,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:20,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 21:52:20,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:20,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:20,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:20,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:20,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-14 21:52:20,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:20,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 838 [2020-10-14 21:52:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:20,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:20,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:20,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:20,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:20,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 21:52:20,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:20,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:20,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:20,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:20,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:52:20,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:20,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2020-10-14 21:52:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:20,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:20,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:20,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:52:20,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:52:20,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:20,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:52:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3632 backedges. 1245 proven. 85 refuted. 0 times theorem prover too weak. 2302 trivial. 0 not checked. [2020-10-14 21:52:20,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [837546054] [2020-10-14 21:52:20,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:20,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:52:20,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525725230] [2020-10-14 21:52:20,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:52:20,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:20,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:52:20,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:52:20,976 INFO L87 Difference]: Start difference. First operand 9254 states and 10340 transitions. Second operand 8 states. [2020-10-14 21:52:23,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:23,165 INFO L93 Difference]: Finished difference Result 18146 states and 20307 transitions. [2020-10-14 21:52:23,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:52:23,165 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1150 [2020-10-14 21:52:23,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:23,186 INFO L225 Difference]: With dead ends: 18146 [2020-10-14 21:52:23,187 INFO L226 Difference]: Without dead ends: 9080 [2020-10-14 21:52:23,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:52:23,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9080 states. [2020-10-14 21:52:23,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9080 to 8350. [2020-10-14 21:52:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8350 states. [2020-10-14 21:52:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8350 states to 8350 states and 9167 transitions. [2020-10-14 21:52:23,351 INFO L78 Accepts]: Start accepts. Automaton has 8350 states and 9167 transitions. Word has length 1150 [2020-10-14 21:52:23,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:23,352 INFO L479 AbstractCegarLoop]: Abstraction has 8350 states and 9167 transitions. [2020-10-14 21:52:23,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:52:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand 8350 states and 9167 transitions. [2020-10-14 21:52:23,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1647 [2020-10-14 21:52:23,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:23,398 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:52:23,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:52:23,398 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:23,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:23,399 INFO L82 PathProgramCache]: Analyzing trace with hash -337745327, now seen corresponding path program 1 times [2020-10-14 21:52:23,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:23,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519021268] [2020-10-14 21:52:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:24,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:24,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:26,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:27,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:28,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:28,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1680 [2020-10-14 21:52:28,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:52:28,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5111 [2020-10-14 21:52:28,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:28,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:52:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:52:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:29,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:52:29,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:29,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:52:29,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:29,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:52:29,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:29,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:52:29,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:29,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:52:29,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:29,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:52:29,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:29,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:52:29,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:29,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:52:29,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:52:29,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:52:29,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:52:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:52:29,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:52:29,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:52:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:52:29,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:52:29,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:52:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:52:29,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:52:29,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:52:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:52:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:52:29,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:52:29,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:52:29,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:29,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1513 [2020-10-14 21:52:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:29,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:29,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:29,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:52:29,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:29,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:52:29,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:29,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:29,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:29,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:52:29,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:29,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 8550 backedges. 1787 proven. 85 refuted. 0 times theorem prover too weak. 6678 trivial. 0 not checked. [2020-10-14 21:52:30,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519021268] [2020-10-14 21:52:30,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:30,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:52:30,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946743714] [2020-10-14 21:52:30,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:52:30,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:30,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:52:30,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:52:30,736 INFO L87 Difference]: Start difference. First operand 8350 states and 9167 transitions. Second operand 7 states. [2020-10-14 21:52:32,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:32,307 INFO L93 Difference]: Finished difference Result 15618 states and 17142 transitions. [2020-10-14 21:52:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:52:32,307 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1646 [2020-10-14 21:52:32,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:32,318 INFO L225 Difference]: With dead ends: 15618 [2020-10-14 21:52:32,318 INFO L226 Difference]: Without dead ends: 4864 [2020-10-14 21:52:32,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:52:32,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4864 states. [2020-10-14 21:52:32,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4864 to 4638. [2020-10-14 21:52:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4638 states. [2020-10-14 21:52:32,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4638 states to 4638 states and 4795 transitions. [2020-10-14 21:52:32,404 INFO L78 Accepts]: Start accepts. Automaton has 4638 states and 4795 transitions. Word has length 1646 [2020-10-14 21:52:32,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:32,405 INFO L479 AbstractCegarLoop]: Abstraction has 4638 states and 4795 transitions. [2020-10-14 21:52:32,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:52:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4638 states and 4795 transitions. [2020-10-14 21:52:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1778 [2020-10-14 21:52:32,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:32,443 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:52:32,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:52:32,443 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:32,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:32,444 INFO L82 PathProgramCache]: Analyzing trace with hash -43560766, now seen corresponding path program 1 times [2020-10-14 21:52:32,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:32,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743590593] [2020-10-14 21:52:32,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:33,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:33,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:34,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:35,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:37,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:37,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1813 [2020-10-14 21:52:37,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:52:37,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5087 [2020-10-14 21:52:37,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:37,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:52:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-14 21:52:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 239 [2020-10-14 21:52:37,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:38,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:52:38,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:38,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:38,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:52:38,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:38,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:52:38,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:38,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:52:38,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:38,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:52:38,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:38,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:52:38,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:38,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:52:38,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:52:38,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:52:38,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:52:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:52:38,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:52:38,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:52:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:52:38,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:52:38,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:38,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:38,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:52:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:52:38,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:52:38,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:52:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:38,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:52:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:38,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:38,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:38,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 21:52:38,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 21:52:38,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:38,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:52:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:39,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1514 [2020-10-14 21:52:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:39,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:39,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:39,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:52:39,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 21:52:39,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:39,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:39,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:52:39,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:39,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1644 [2020-10-14 21:52:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:39,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:39,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:39,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:52:39,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:39,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:52:39,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:39,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:52:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:39,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 10035 backedges. 3158 proven. 170 refuted. 0 times theorem prover too weak. 6707 trivial. 0 not checked. [2020-10-14 21:52:40,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743590593] [2020-10-14 21:52:40,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:40,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:52:40,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807565197] [2020-10-14 21:52:40,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:52:40,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:40,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:52:40,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:52:40,941 INFO L87 Difference]: Start difference. First operand 4638 states and 4795 transitions. Second operand 8 states. [2020-10-14 21:52:42,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:42,247 INFO L93 Difference]: Finished difference Result 9276 states and 9601 transitions. [2020-10-14 21:52:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:52:42,250 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1777 [2020-10-14 21:52:42,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:42,258 INFO L225 Difference]: With dead ends: 9276 [2020-10-14 21:52:42,258 INFO L226 Difference]: Without dead ends: 4638 [2020-10-14 21:52:42,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:52:42,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4638 states. [2020-10-14 21:52:42,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4638 to 4628. [2020-10-14 21:52:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4628 states. [2020-10-14 21:52:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4628 states to 4628 states and 4772 transitions. [2020-10-14 21:52:42,322 INFO L78 Accepts]: Start accepts. Automaton has 4628 states and 4772 transitions. Word has length 1777 [2020-10-14 21:52:42,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:42,324 INFO L479 AbstractCegarLoop]: Abstraction has 4628 states and 4772 transitions. [2020-10-14 21:52:42,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:52:42,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4628 states and 4772 transitions. [2020-10-14 21:52:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1796 [2020-10-14 21:52:42,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:42,360 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:52:42,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 21:52:42,361 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:42,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:42,361 INFO L82 PathProgramCache]: Analyzing trace with hash 832436202, now seen corresponding path program 1 times [2020-10-14 21:52:42,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:42,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472982418] [2020-10-14 21:52:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:42,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:46,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:48,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:48,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1831 [2020-10-14 21:52:48,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:52:48,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5569 [2020-10-14 21:52:48,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:48,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:52:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1688 [2020-10-14 21:52:48,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 21:52:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:48,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:48,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:48,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:48,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:48,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:48,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:52:48,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:48,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:48,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:48,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:48,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:48,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:48,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:48,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:48,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:48,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:48,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:48,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 21:52:48,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:48,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:48,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:48,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:48,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:48,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:48,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:48,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:48,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:52:48,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:48,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:48,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:48,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:48,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:48,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:48,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:48,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:48,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:48,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:48,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:52:48,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:48,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:48,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:48,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:48,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:48,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:48,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:48,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:48,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:52:48,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:48,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:48,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:48,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:48,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:48,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:48,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:48,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:48,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 21:52:48,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:48,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:48,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:48,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:48,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:48,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:48,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:48,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:48,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:48,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:48,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:52:48,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:48,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:48,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:48,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:48,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:49,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:49,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:49,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:49,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 21:52:49,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:49,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:49,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:49,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:49,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:49,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:49,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:49,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:49,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:49,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:52:49,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:49,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:52:49,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:49,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:49,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:52:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:49,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:49,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:52:49,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:52:49,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:49,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:49,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:49,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:49,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:49,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:49,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:52:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:49,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:49,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:49,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:52:49,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:52:49,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:49,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:49,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:52:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:49,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:49,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:49,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:52:49,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:52:49,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:49,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:49,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:49,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:52:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:49,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:49,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:49,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:52:49,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:49,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:52:49,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:49,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:49,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:49,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:49,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:49,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:49,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:52:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:49,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:49,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:49,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 21:52:49,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:49,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 21:52:49,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:49,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 21:52:49,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:49,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 21:52:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:49,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:49,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:49,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:52:49,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:49,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:52:49,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:49,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:52:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:52:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 10175 backedges. 1738 proven. 60 refuted. 0 times theorem prover too weak. 8377 trivial. 0 not checked. [2020-10-14 21:52:51,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472982418] [2020-10-14 21:52:51,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:52:51,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:52:51,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095323804] [2020-10-14 21:52:51,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:52:51,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:52:51,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:52:51,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:52:51,003 INFO L87 Difference]: Start difference. First operand 4628 states and 4772 transitions. Second operand 8 states. [2020-10-14 21:52:53,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:52:53,077 INFO L93 Difference]: Finished difference Result 5924 states and 6146 transitions. [2020-10-14 21:52:53,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:52:53,078 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1795 [2020-10-14 21:52:53,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:52:53,088 INFO L225 Difference]: With dead ends: 5924 [2020-10-14 21:52:53,089 INFO L226 Difference]: Without dead ends: 5922 [2020-10-14 21:52:53,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:52:53,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5922 states. [2020-10-14 21:52:53,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5922 to 5368. [2020-10-14 21:52:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5368 states. [2020-10-14 21:52:53,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 5368 states and 5556 transitions. [2020-10-14 21:52:53,166 INFO L78 Accepts]: Start accepts. Automaton has 5368 states and 5556 transitions. Word has length 1795 [2020-10-14 21:52:53,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:52:53,168 INFO L479 AbstractCegarLoop]: Abstraction has 5368 states and 5556 transitions. [2020-10-14 21:52:53,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:52:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 5368 states and 5556 transitions. [2020-10-14 21:52:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1801 [2020-10-14 21:52:53,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:52:53,204 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:52:53,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 21:52:53,204 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:52:53,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:52:53,205 INFO L82 PathProgramCache]: Analyzing trace with hash 282966201, now seen corresponding path program 1 times [2020-10-14 21:52:53,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:52:53,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423462009] [2020-10-14 21:52:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:52:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:53,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:54,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:55,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:57,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:57,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1836 [2020-10-14 21:52:57,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:52:57,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3764 [2020-10-14 21:52:57,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:57,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:52:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1688 [2020-10-14 21:52:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-14 21:52:57,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:57,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:52:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:57,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:57,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:57,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:52:57,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:57,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:52:57,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:57,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:52:57,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:52:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:57,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:57,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:57,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:52:57,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:57,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:52:57,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:57,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:57,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:57,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:57,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:57,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:57,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:52:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:57,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:57,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:57,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:52:57,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:57,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:52:57,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:57,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:57,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:57,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:52:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:57,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:57,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:57,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:52:57,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:52:57,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:57,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:57,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:57,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:52:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:57,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:57,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:57,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:52:57,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:57,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:52:57,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:57,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:57,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:57,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:57,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:57,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:57,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:52:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:57,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:57,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:57,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:52:57,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:57,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:52:57,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:57,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:57,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:57,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:52:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:57,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:57,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:57,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:52:57,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:57,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:52:57,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:57,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:57,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:57,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:57,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:52:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:57,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:58,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:58,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:52:58,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:58,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 21:52:58,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:58,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:58,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:58,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:52:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:58,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:58,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:58,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:52:58,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:58,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:52:58,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:58,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:58,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:52:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:58,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:58,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:58,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:52:58,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:58,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:52:58,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:58,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:58,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:58,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:52:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:58,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:58,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:58,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:52:58,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:58,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:52:58,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:58,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:58,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:52:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:58,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:58,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:58,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:52:58,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:58,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:52:58,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:58,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:58,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:58,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:52:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:58,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:58,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:58,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:52:58,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:58,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:52:58,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:58,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:52:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:52:58,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:58,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:52:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:58,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:58,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:58,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 21:52:58,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:58,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:52:58,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:58,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:52:58,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:52:58,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 21:52:58,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:52:58,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 21:52:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:52:58,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:52:58,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:52:58,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 21:52:58,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:52:58,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 21:52:58,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:52:58,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:52:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:52:58,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:52:58,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-14 21:52:58,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 10230 backedges. 1789 proven. 60 refuted. 0 times theorem prover too weak. 8381 trivial. 0 not checked. [2020-10-14 21:53:00,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423462009] [2020-10-14 21:53:00,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:53:00,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:53:00,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604377882] [2020-10-14 21:53:00,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:53:00,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:53:00,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:53:00,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:53:00,030 INFO L87 Difference]: Start difference. First operand 5368 states and 5556 transitions. Second operand 6 states. [2020-10-14 21:53:01,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:53:01,245 INFO L93 Difference]: Finished difference Result 12236 states and 12745 transitions. [2020-10-14 21:53:01,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:53:01,245 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1800 [2020-10-14 21:53:01,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:53:01,256 INFO L225 Difference]: With dead ends: 12236 [2020-10-14 21:53:01,256 INFO L226 Difference]: Without dead ends: 7058 [2020-10-14 21:53:01,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:53:01,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7058 states. [2020-10-14 21:53:01,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7058 to 6666. [2020-10-14 21:53:01,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6666 states. [2020-10-14 21:53:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 6895 transitions. [2020-10-14 21:53:01,337 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 6895 transitions. Word has length 1800 [2020-10-14 21:53:01,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:53:01,339 INFO L479 AbstractCegarLoop]: Abstraction has 6666 states and 6895 transitions. [2020-10-14 21:53:01,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:53:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 6895 transitions. [2020-10-14 21:53:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1905 [2020-10-14 21:53:01,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:53:01,371 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:53:01,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 21:53:01,371 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:53:01,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:53:01,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1050003763, now seen corresponding path program 1 times [2020-10-14 21:53:01,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:53:01,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510815208] [2020-10-14 21:53:01,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:53:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:01,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:02,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:05,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:06,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:06,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:06,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1942 [2020-10-14 21:53:06,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:53:06,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 21:53:06,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:06,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:06,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:06,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1667 [2020-10-14 21:53:06,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 21:53:06,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:06,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:53:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:06,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:06,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:06,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:53:06,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:06,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:53:06,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:06,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:06,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:06,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:53:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:06,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:06,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:06,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:53:06,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:06,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:06,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:06,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:06,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:06,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:53:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:06,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:06,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:06,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:53:06,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:06,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:06,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:06,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:06,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:06,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:53:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:06,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:06,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:06,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:53:06,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:06,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:06,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:06,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:53:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:06,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:06,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:06,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:53:06,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:06,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:53:06,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:06,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:06,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:06,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:53:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:06,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:06,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:06,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:53:06,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:06,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:53:06,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:06,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:06,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:07,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:53:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:07,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:07,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:53:07,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:53:07,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:07,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:07,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:07,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:53:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:07,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:07,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:53:07,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:07,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:53:07,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:07,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:07,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:07,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:07,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:07,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:07,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:53:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:07,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:07,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:53:07,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:07,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:53:07,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:07,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:07,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:53:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:07,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:07,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:53:07,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:07,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:53:07,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:07,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:07,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:07,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:53:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:07,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:07,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:53:07,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:07,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:53:07,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:07,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:07,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:07,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:53:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:07,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:07,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:53:07,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:53:07,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:07,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:07,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:07,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:53:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:07,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:07,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:53:07,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:53:07,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:07,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:07,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:07,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:53:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:07,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:07,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 21:53:07,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:07,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 21:53:07,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:07,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:07,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:53:07,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:07,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 21:53:07,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:07,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1641 [2020-10-14 21:53:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:07,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:07,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:53:07,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:07,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 21:53:07,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:07,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:07,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:07,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:53:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:53:07,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:07,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1771 [2020-10-14 21:53:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:07,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:07,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:07,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:53:07,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:07,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:53:07,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:07,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:07,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:07,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:53:07,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:07,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 11632 backedges. 2268 proven. 85 refuted. 0 times theorem prover too weak. 9279 trivial. 0 not checked. [2020-10-14 21:53:09,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510815208] [2020-10-14 21:53:09,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:53:09,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:53:09,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190355836] [2020-10-14 21:53:09,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:53:09,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:53:09,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:53:09,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:53:09,318 INFO L87 Difference]: Start difference. First operand 6666 states and 6895 transitions. Second operand 7 states. [2020-10-14 21:53:10,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:53:10,815 INFO L93 Difference]: Finished difference Result 13152 states and 13612 transitions. [2020-10-14 21:53:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:53:10,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1904 [2020-10-14 21:53:10,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:53:10,824 INFO L225 Difference]: With dead ends: 13152 [2020-10-14 21:53:10,825 INFO L226 Difference]: Without dead ends: 6488 [2020-10-14 21:53:10,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:53:10,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6488 states. [2020-10-14 21:53:10,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6488 to 6476. [2020-10-14 21:53:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6476 states. [2020-10-14 21:53:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6476 states to 6476 states and 6677 transitions. [2020-10-14 21:53:10,903 INFO L78 Accepts]: Start accepts. Automaton has 6476 states and 6677 transitions. Word has length 1904 [2020-10-14 21:53:10,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:53:10,904 INFO L479 AbstractCegarLoop]: Abstraction has 6476 states and 6677 transitions. [2020-10-14 21:53:10,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:53:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 6476 states and 6677 transitions. [2020-10-14 21:53:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2017 [2020-10-14 21:53:10,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:53:10,939 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:53:10,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 21:53:10,940 INFO L427 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:53:10,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:53:10,941 INFO L82 PathProgramCache]: Analyzing trace with hash 117748393, now seen corresponding path program 1 times [2020-10-14 21:53:10,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:53:10,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254550278] [2020-10-14 21:53:10,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:53:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:11,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:11,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:13,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 2056 [2020-10-14 21:53:16,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:53:16,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 21:53:16,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:53:16,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1688 [2020-10-14 21:53:16,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:53:16,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:53:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:53:16,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:53:16,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:53:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:53:16,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:53:16,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:53:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:53:16,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:53:16,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:53:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:53:16,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:16,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:53:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:53:16,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:53:16,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:53:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:53:16,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:53:16,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:53:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:53:16,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:53:16,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:53:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:53:16,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:53:16,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:53:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:53:16,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:16,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:53:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:53:16,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:53:16,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:53:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:53:16,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:53:16,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:16,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:53:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:16,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:16,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:16,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:53:16,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:16,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:53:16,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:16,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:16,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:16,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:16,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:16,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:17,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:53:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:17,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:17,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:17,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:53:17,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:17,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:53:17,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:17,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:17,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:17,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:17,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:17,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:17,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:53:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:17,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:17,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:17,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 21:53:17,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:17,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:53:17,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:17,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:53:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 21:53:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:17,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 21:53:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:17,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:17,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:17,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:53:17,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:17,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 21:53:17,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:17,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:17,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:53:17,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:53:17,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:53:17,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:17,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1748 [2020-10-14 21:53:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:17,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:17,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:17,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:53:17,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:53:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 21:53:17,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:17,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:53:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:53:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:17,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1878 [2020-10-14 21:53:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:17,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:17,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:17,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 21:53:17,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:17,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:53:17,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:17,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:17,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:17,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 21:53:17,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:17,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 13188 backedges. 3433 proven. 254 refuted. 0 times theorem prover too weak. 9501 trivial. 0 not checked. [2020-10-14 21:53:19,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254550278] [2020-10-14 21:53:19,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:53:19,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 21:53:19,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436577121] [2020-10-14 21:53:19,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 21:53:19,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:53:19,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 21:53:19,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:53:19,430 INFO L87 Difference]: Start difference. First operand 6476 states and 6677 transitions. Second operand 10 states. [2020-10-14 21:53:21,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:53:21,625 INFO L93 Difference]: Finished difference Result 13383 states and 13848 transitions. [2020-10-14 21:53:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 21:53:21,626 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 2016 [2020-10-14 21:53:21,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:53:21,637 INFO L225 Difference]: With dead ends: 13383 [2020-10-14 21:53:21,637 INFO L226 Difference]: Without dead ends: 7080 [2020-10-14 21:53:21,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2020-10-14 21:53:21,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7080 states. [2020-10-14 21:53:21,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7080 to 6846. [2020-10-14 21:53:21,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6846 states. [2020-10-14 21:53:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6846 states to 6846 states and 7057 transitions. [2020-10-14 21:53:21,735 INFO L78 Accepts]: Start accepts. Automaton has 6846 states and 7057 transitions. Word has length 2016 [2020-10-14 21:53:21,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:53:21,736 INFO L479 AbstractCegarLoop]: Abstraction has 6846 states and 7057 transitions. [2020-10-14 21:53:21,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 21:53:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6846 states and 7057 transitions. [2020-10-14 21:53:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2017 [2020-10-14 21:53:21,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:53:21,765 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:53:21,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 21:53:21,766 INFO L427 AbstractCegarLoop]: === Iteration 27 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:53:21,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:53:21,766 INFO L82 PathProgramCache]: Analyzing trace with hash -409295927, now seen corresponding path program 2 times [2020-10-14 21:53:21,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:53:21,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000670064] [2020-10-14 21:53:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:53:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:22,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:23,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:24,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:26,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 2056 [2020-10-14 21:53:27,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:53:27,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-14 21:53:27,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1781 [2020-10-14 21:53:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 21:53:27,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:53:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:53:27,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:53:27,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:53:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:53:27,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:27,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:53:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:53:27,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:27,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:53:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:53:27,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:53:27,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:53:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:53:27,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:53:27,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:53:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:53:27,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:53:27,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:53:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:53:27,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:53:27,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:53:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:53:27,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:53:27,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:53:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:53:27,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:53:27,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:53:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:53:27,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:53:27,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:53:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:53:27,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:53:27,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:53:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:53:27,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:53:27,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:53:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:53:27,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:53:27,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:53:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:27,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:27,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 21:53:27,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:53:27,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:27,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:53:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:53:27,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:27,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 21:53:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:27,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:28,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:28,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 21:53:28,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-14 21:53:28,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:28,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:53:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:53:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:53:28,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:28,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1753 [2020-10-14 21:53:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:53:28,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:53:28,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:53:28,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:53:28,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:53:28,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 21:53:28,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:53:28,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:53:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:53:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:53:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:53:28,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:53:28,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1883 [2020-10-14 21:53:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat