/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/array-tiling/mlceu2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:07:18,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:07:18,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:07:19,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:07:19,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:07:19,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:07:19,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:07:19,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:07:19,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:07:19,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:07:19,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:07:19,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:07:19,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:07:19,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:07:19,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:07:19,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:07:19,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:07:19,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:07:19,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:07:19,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:07:19,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:07:19,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:07:19,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:07:19,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:07:19,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:07:19,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:07:19,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:07:19,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:07:19,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:07:19,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:07:19,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:07:19,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:07:19,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:07:19,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:07:19,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:07:19,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:07:19,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:07:19,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:07:19,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:07:19,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:07:19,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:07:19,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 04:07:19,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:07:19,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:07:19,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:07:19,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:07:19,149 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:07:19,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:07:19,150 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:07:19,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:07:19,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:07:19,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:07:19,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:07:19,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:07:19,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:07:19,151 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:07:19,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:07:19,152 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:07:19,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:07:19,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:07:19,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:07:19,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:07:19,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:07:19,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:07:19,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:07:19,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:07:19,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:07:19,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:07:19,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:07:19,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:07:19,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:07:19,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:07:19,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:07:19,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:07:19,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:07:19,564 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:07:19,565 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:07:19,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/mlceu2.c [2020-10-29 04:07:19,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37abb7b06/b4511ffc92ff49f3b410a45761aeed5d/FLAG3efbb7b5d [2020-10-29 04:07:20,215 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:07:20,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-tiling/mlceu2.c [2020-10-29 04:07:20,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37abb7b06/b4511ffc92ff49f3b410a45761aeed5d/FLAG3efbb7b5d [2020-10-29 04:07:20,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37abb7b06/b4511ffc92ff49f3b410a45761aeed5d [2020-10-29 04:07:20,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:07:20,625 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:07:20,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:07:20,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:07:20,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:07:20,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:07:20" (1/1) ... [2020-10-29 04:07:20,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fac4a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20, skipping insertion in model container [2020-10-29 04:07:20,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:07:20" (1/1) ... [2020-10-29 04:07:20,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:07:20,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:07:20,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:07:20,948 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:07:20,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:07:20,987 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:07:20,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20 WrapperNode [2020-10-29 04:07:20,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:07:20,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:07:20,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:07:20,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:07:21,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20" (1/1) ... [2020-10-29 04:07:21,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20" (1/1) ... [2020-10-29 04:07:21,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20" (1/1) ... [2020-10-29 04:07:21,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20" (1/1) ... [2020-10-29 04:07:21,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20" (1/1) ... [2020-10-29 04:07:21,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20" (1/1) ... [2020-10-29 04:07:21,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20" (1/1) ... [2020-10-29 04:07:21,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:07:21,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:07:21,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:07:21,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:07:21,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:07:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:07:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:07:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:07:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 04:07:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-29 04:07:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:07:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:07:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:07:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:07:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:07:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 04:07:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-29 04:07:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:07:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 04:07:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:07:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 04:07:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:07:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:07:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:07:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:07:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:07:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:07:21,701 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:07:21,702 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-29 04:07:21,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:07:21 BoogieIcfgContainer [2020-10-29 04:07:21,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:07:21,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:07:21,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:07:21,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:07:21,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:07:20" (1/3) ... [2020-10-29 04:07:21,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fcbbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:07:21, skipping insertion in model container [2020-10-29 04:07:21,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:20" (2/3) ... [2020-10-29 04:07:21,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fcbbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:07:21, skipping insertion in model container [2020-10-29 04:07:21,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:07:21" (3/3) ... [2020-10-29 04:07:21,714 INFO L111 eAbstractionObserver]: Analyzing ICFG mlceu2.c [2020-10-29 04:07:21,726 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:07:21,732 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:07:21,745 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:07:21,773 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:07:21,774 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:07:21,774 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:07:21,774 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:07:21,774 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:07:21,774 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:07:21,774 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:07:21,775 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:07:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-29 04:07:21,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 04:07:21,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:21,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:21,800 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:21,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:21,810 INFO L82 PathProgramCache]: Analyzing trace with hash 437417741, now seen corresponding path program 1 times [2020-10-29 04:07:21,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:21,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [93046351] [2020-10-29 04:07:21,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:22,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:22,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:22,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 04:07:22,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:22,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-29 04:07:22,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:22,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:07:22,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:07:22,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:22,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:22,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:22,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:22,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:22,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 04:07:22,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:22,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:22,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:07:22,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [93046351] [2020-10-29 04:07:22,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:07:22,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 04:07:22,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143420230] [2020-10-29 04:07:22,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:07:22,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:22,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:07:22,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:07:22,471 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 4 states. [2020-10-29 04:07:22,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:22,647 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2020-10-29 04:07:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 04:07:22,649 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-29 04:07:22,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:22,657 INFO L225 Difference]: With dead ends: 50 [2020-10-29 04:07:22,657 INFO L226 Difference]: Without dead ends: 25 [2020-10-29 04:07:22,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:07:22,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-29 04:07:22,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2020-10-29 04:07:22,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-29 04:07:22,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2020-10-29 04:07:22,707 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 15 [2020-10-29 04:07:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:22,708 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2020-10-29 04:07:22,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:07:22,708 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2020-10-29 04:07:22,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-29 04:07:22,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:22,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:22,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:07:22,710 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:22,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:22,711 INFO L82 PathProgramCache]: Analyzing trace with hash -777427985, now seen corresponding path program 1 times [2020-10-29 04:07:22,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:22,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422380068] [2020-10-29 04:07:22,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:22,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:22,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:23,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:23,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 04:07:23,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:07:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-29 04:07:23,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:23,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 04:07:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 04:07:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:07:23,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:23,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:23,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:23,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:23,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:23,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:07:23,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:23,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:23,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:23,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:07:23,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422380068] [2020-10-29 04:07:23,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:23,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:07:23,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659605444] [2020-10-29 04:07:23,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:07:23,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:23,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:07:23,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:07:23,246 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand 5 states. [2020-10-29 04:07:23,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:23,426 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-10-29 04:07:23,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:07:23,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-29 04:07:23,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:23,428 INFO L225 Difference]: With dead ends: 38 [2020-10-29 04:07:23,429 INFO L226 Difference]: Without dead ends: 26 [2020-10-29 04:07:23,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:07:23,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-29 04:07:23,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-29 04:07:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-29 04:07:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2020-10-29 04:07:23,442 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 18 [2020-10-29 04:07:23,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:23,442 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2020-10-29 04:07:23,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:07:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2020-10-29 04:07:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-29 04:07:23,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:23,444 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:23,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:07:23,445 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:23,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:23,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1442952141, now seen corresponding path program 2 times [2020-10-29 04:07:23,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:23,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859982877] [2020-10-29 04:07:23,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:23,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:23,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:23,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:23,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:23,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 04:07:23,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:07:23,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-29 04:07:23,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:23,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:23,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:07:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:07:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 04:07:23,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:23,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:24,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:24,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:24,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:24,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:24,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 04:07:24,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:24,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:24,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:24,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:24,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:07:24,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 04:07:24,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859982877] [2020-10-29 04:07:24,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:24,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:07:24,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554759186] [2020-10-29 04:07:24,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:07:24,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:24,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:07:24,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:07:24,057 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 6 states. [2020-10-29 04:07:24,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:24,361 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2020-10-29 04:07:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:07:24,362 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-29 04:07:24,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:24,364 INFO L225 Difference]: With dead ends: 44 [2020-10-29 04:07:24,364 INFO L226 Difference]: Without dead ends: 27 [2020-10-29 04:07:24,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-29 04:07:24,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-29 04:07:24,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2020-10-29 04:07:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-29 04:07:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-29 04:07:24,381 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 21 [2020-10-29 04:07:24,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:24,382 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-29 04:07:24,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:07:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-29 04:07:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-29 04:07:24,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:24,383 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:24,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:07:24,384 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:24,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:24,385 INFO L82 PathProgramCache]: Analyzing trace with hash 463119117, now seen corresponding path program 1 times [2020-10-29 04:07:24,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:24,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945871360] [2020-10-29 04:07:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:24,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:24,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:24,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 04:07:24,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:24,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-29 04:07:24,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:24,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 04:07:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 04:07:24,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:24,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:24,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:24,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:24,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:24,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:24,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:07:24,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:24,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:24,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-29 04:07:24,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945871360] [2020-10-29 04:07:24,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:24,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 04:07:24,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167659707] [2020-10-29 04:07:24,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 04:07:24,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:24,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 04:07:24,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 04:07:24,991 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 9 states. [2020-10-29 04:07:25,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:25,393 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2020-10-29 04:07:25,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 04:07:25,394 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-29 04:07:25,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:25,396 INFO L225 Difference]: With dead ends: 37 [2020-10-29 04:07:25,396 INFO L226 Difference]: Without dead ends: 34 [2020-10-29 04:07:25,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-29 04:07:25,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-29 04:07:25,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-29 04:07:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 04:07:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-10-29 04:07:25,427 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 21 [2020-10-29 04:07:25,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:25,428 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-10-29 04:07:25,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 04:07:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-10-29 04:07:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 04:07:25,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:25,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:25,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:07:25,431 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:25,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:25,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1583958966, now seen corresponding path program 1 times [2020-10-29 04:07:25,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:25,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201637075] [2020-10-29 04:07:25,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:25,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:25,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:25,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 04:07:25,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:25,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-29 04:07:25,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:25,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:25,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 04:07:25,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:25,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 04:07:25,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:25,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:25,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:25,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:25,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:25,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:25,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:07:25,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:25,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:25,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:25,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:25,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 04:07:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:25,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:25,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:25,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:25,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:25,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:07:25,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:25,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:25,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:25,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:25,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:25,865 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:07:25,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201637075] [2020-10-29 04:07:25,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:25,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 04:07:25,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027330974] [2020-10-29 04:07:25,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 04:07:25,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:25,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 04:07:25,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-29 04:07:25,868 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 11 states. [2020-10-29 04:07:26,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:26,457 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2020-10-29 04:07:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 04:07:26,458 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2020-10-29 04:07:26,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:26,459 INFO L225 Difference]: With dead ends: 47 [2020-10-29 04:07:26,459 INFO L226 Difference]: Without dead ends: 44 [2020-10-29 04:07:26,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-10-29 04:07:26,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-29 04:07:26,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2020-10-29 04:07:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-29 04:07:26,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-10-29 04:07:26,470 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 29 [2020-10-29 04:07:26,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:26,471 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-10-29 04:07:26,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 04:07:26,471 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-10-29 04:07:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-29 04:07:26,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:26,472 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:26,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:07:26,473 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:26,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:26,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1120060577, now seen corresponding path program 2 times [2020-10-29 04:07:26,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:26,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675866238] [2020-10-29 04:07:26,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:26,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:26,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:26,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-29 04:07:26,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:26,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-29 04:07:26,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:26,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 04:07:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:26,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 04:07:26,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:26,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:26,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:26,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:26,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:26,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:26,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:07:26,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:26,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:26,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:26,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:26,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 04:07:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:26,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:26,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:26,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:26,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:26,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:26,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:26,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:26,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:26,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:26,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:26,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:26,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 04:07:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:26,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:26,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:26,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:26,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:26,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:26,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:26,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:26,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:26,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:26,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 04:07:26,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675866238] [2020-10-29 04:07:26,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:26,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 04:07:26,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310724736] [2020-10-29 04:07:26,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 04:07:26,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:26,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 04:07:26,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-29 04:07:26,916 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 10 states. [2020-10-29 04:07:27,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:27,250 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2020-10-29 04:07:27,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 04:07:27,251 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2020-10-29 04:07:27,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:27,255 INFO L225 Difference]: With dead ends: 80 [2020-10-29 04:07:27,255 INFO L226 Difference]: Without dead ends: 51 [2020-10-29 04:07:27,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-29 04:07:27,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-29 04:07:27,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 43. [2020-10-29 04:07:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-29 04:07:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-10-29 04:07:27,271 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 37 [2020-10-29 04:07:27,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:27,271 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-10-29 04:07:27,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 04:07:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-10-29 04:07:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-29 04:07:27,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:27,273 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:27,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:07:27,274 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:27,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:27,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1237643903, now seen corresponding path program 3 times [2020-10-29 04:07:27,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:27,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650801572] [2020-10-29 04:07:27,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:27,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:27,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:27,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 04:07:27,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:27,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-29 04:07:27,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:27,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 04:07:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 04:07:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:27,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:27,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:27,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:27,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:27,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:27,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:07:27,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:27,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:27,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:07:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:27,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:27,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:27,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:27,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:27,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:07:27,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:27,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:27,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:27,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:27,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 04:07:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:27,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:27,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:27,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:27,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:27,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:27,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:27,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:27,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:27,868 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 04:07:27,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1650801572] [2020-10-29 04:07:27,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:27,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 04:07:27,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244144161] [2020-10-29 04:07:27,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 04:07:27,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:27,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 04:07:27,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-29 04:07:27,871 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 13 states. [2020-10-29 04:07:28,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:28,553 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2020-10-29 04:07:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 04:07:28,554 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-10-29 04:07:28,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:28,555 INFO L225 Difference]: With dead ends: 58 [2020-10-29 04:07:28,555 INFO L226 Difference]: Without dead ends: 55 [2020-10-29 04:07:28,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2020-10-29 04:07:28,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-29 04:07:28,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2020-10-29 04:07:28,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-29 04:07:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-10-29 04:07:28,566 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 40 [2020-10-29 04:07:28,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:28,567 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-10-29 04:07:28,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 04:07:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-10-29 04:07:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-29 04:07:28,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:28,568 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:28,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:07:28,569 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:28,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:28,569 INFO L82 PathProgramCache]: Analyzing trace with hash -414316248, now seen corresponding path program 4 times [2020-10-29 04:07:28,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:28,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776703388] [2020-10-29 04:07:28,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:28,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:28,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:28,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-29 04:07:28,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:28,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-29 04:07:28,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:28,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:28,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 04:07:28,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:28,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 04:07:28,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:28,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:28,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:28,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:28,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:28,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:28,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:28,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:28,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:28,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:28,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:07:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:28,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:28,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:28,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:28,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:28,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:28,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:28,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:28,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:28,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:28,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:28,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 04:07:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:28,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:28,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:28,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:28,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:28,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:28,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:28,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:28,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 04:07:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:28,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:28,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:28,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:28,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:28,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:28,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:28,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:28,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 04:07:29,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776703388] [2020-10-29 04:07:29,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:29,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 04:07:29,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452565770] [2020-10-29 04:07:29,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 04:07:29,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:29,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 04:07:29,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-29 04:07:29,003 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 12 states. [2020-10-29 04:07:29,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:29,416 INFO L93 Difference]: Finished difference Result 99 states and 102 transitions. [2020-10-29 04:07:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 04:07:29,417 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48 [2020-10-29 04:07:29,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:29,419 INFO L225 Difference]: With dead ends: 99 [2020-10-29 04:07:29,419 INFO L226 Difference]: Without dead ends: 62 [2020-10-29 04:07:29,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-10-29 04:07:29,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-29 04:07:29,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 54. [2020-10-29 04:07:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-29 04:07:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-10-29 04:07:29,431 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 48 [2020-10-29 04:07:29,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:29,432 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-10-29 04:07:29,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 04:07:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-10-29 04:07:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-29 04:07:29,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:29,433 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:29,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 04:07:29,433 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:29,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:29,434 INFO L82 PathProgramCache]: Analyzing trace with hash 64134664, now seen corresponding path program 5 times [2020-10-29 04:07:29,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:29,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574181925] [2020-10-29 04:07:29,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:29,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:29,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:29,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-29 04:07:29,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:29,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-29 04:07:29,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:29,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 04:07:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 04:07:29,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:30,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:30,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:30,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:30,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:30,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:07:30,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:30,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 04:07:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:30,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:30,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:30,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:30,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:30,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:30,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:30,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:30,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:30,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:30,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:30,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:30,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 04:07:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:30,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:30,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:30,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:30,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:30,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:30,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:30,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:30,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:30,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:30,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 04:07:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:30,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:30,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:30,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:30,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:30,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:30,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:30,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:30,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:30,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 04:07:30,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574181925] [2020-10-29 04:07:30,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:30,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 04:07:30,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426508917] [2020-10-29 04:07:30,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 04:07:30,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:30,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 04:07:30,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-29 04:07:30,070 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 15 states. [2020-10-29 04:07:31,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:31,042 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2020-10-29 04:07:31,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 04:07:31,043 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 51 [2020-10-29 04:07:31,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:31,045 INFO L225 Difference]: With dead ends: 69 [2020-10-29 04:07:31,045 INFO L226 Difference]: Without dead ends: 66 [2020-10-29 04:07:31,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2020-10-29 04:07:31,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-29 04:07:31,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-10-29 04:07:31,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-29 04:07:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2020-10-29 04:07:31,068 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 51 [2020-10-29 04:07:31,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:31,069 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2020-10-29 04:07:31,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 04:07:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2020-10-29 04:07:31,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-29 04:07:31,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:31,070 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:31,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 04:07:31,071 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:31,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:31,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1394613169, now seen corresponding path program 6 times [2020-10-29 04:07:31,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:31,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564817120] [2020-10-29 04:07:31,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:31,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:31,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:31,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 04:07:31,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:31,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-29 04:07:31,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:31,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:31,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 04:07:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-29 04:07:31,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:31,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:31,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:31,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:31,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:31,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:07:31,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:31,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:31,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 04:07:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:31,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:31,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:31,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:31,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:31,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:31,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:31,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:31,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:31,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 04:07:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:31,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:31,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:31,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:31,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:31,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:07:31,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:31,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:31,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:31,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 04:07:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:31,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:31,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:31,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:31,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:31,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:31,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:31,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:31,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:31,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:31,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 04:07:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:31,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:31,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:31,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:31,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:31,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:07:31,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:31,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:31,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:31,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:31,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:31,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 40 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 04:07:31,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564817120] [2020-10-29 04:07:31,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:31,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 04:07:31,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401282528] [2020-10-29 04:07:31,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 04:07:31,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:31,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 04:07:31,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-29 04:07:31,666 INFO L87 Difference]: Start difference. First operand 62 states and 63 transitions. Second operand 14 states. [2020-10-29 04:07:32,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:32,211 INFO L93 Difference]: Finished difference Result 118 states and 121 transitions. [2020-10-29 04:07:32,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 04:07:32,213 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 59 [2020-10-29 04:07:32,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:32,215 INFO L225 Difference]: With dead ends: 118 [2020-10-29 04:07:32,215 INFO L226 Difference]: Without dead ends: 73 [2020-10-29 04:07:32,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-29 04:07:32,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-29 04:07:32,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2020-10-29 04:07:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-29 04:07:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2020-10-29 04:07:32,242 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 59 [2020-10-29 04:07:32,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:32,243 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2020-10-29 04:07:32,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 04:07:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2020-10-29 04:07:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-29 04:07:32,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:32,244 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:32,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 04:07:32,245 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:32,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:32,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1797765841, now seen corresponding path program 7 times [2020-10-29 04:07:32,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:32,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204389868] [2020-10-29 04:07:32,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:32,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:32,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:32,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 04:07:32,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:32,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-29 04:07:32,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:32,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 04:07:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 04:07:32,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:33,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:33,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:33,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:33,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:33,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:33,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:07:33,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:33,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:33,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:33,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 04:07:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:33,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:33,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:33,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:33,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:33,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:33,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:33,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:33,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:33,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 04:07:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:33,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:33,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:33,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:33,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:33,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:33,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:33,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:33,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:33,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:33,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:33,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 04:07:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:33,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:33,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:33,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:33,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:33,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:33,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:33,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:33,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:33,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 04:07:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:33,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:33,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:33,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:33,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:33,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:33,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:33,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:33,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:33,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:33,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:33,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 8 proven. 67 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 04:07:33,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204389868] [2020-10-29 04:07:33,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:33,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 04:07:33,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084411425] [2020-10-29 04:07:33,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 04:07:33,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:33,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 04:07:33,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-29 04:07:33,231 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 17 states. [2020-10-29 04:07:34,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:34,344 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2020-10-29 04:07:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 04:07:34,344 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 62 [2020-10-29 04:07:34,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:34,346 INFO L225 Difference]: With dead ends: 80 [2020-10-29 04:07:34,346 INFO L226 Difference]: Without dead ends: 77 [2020-10-29 04:07:34,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2020-10-29 04:07:34,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-29 04:07:34,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2020-10-29 04:07:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-29 04:07:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2020-10-29 04:07:34,371 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 62 [2020-10-29 04:07:34,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:34,371 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2020-10-29 04:07:34,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 04:07:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2020-10-29 04:07:34,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-29 04:07:34,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:34,375 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:34,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 04:07:34,375 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:34,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:34,376 INFO L82 PathProgramCache]: Analyzing trace with hash 2069127034, now seen corresponding path program 8 times [2020-10-29 04:07:34,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:34,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644611674] [2020-10-29 04:07:34,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:34,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:34,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:34,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 04:07:34,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:34,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 486 [2020-10-29 04:07:34,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:34,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:34,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 04:07:34,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:34,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 04:07:34,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:35,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:35,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:35,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:35,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:35,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:35,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:07:35,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:35,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:35,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:35,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 04:07:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:35,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:35,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:35,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:35,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:35,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:35,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:35,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:35,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:35,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:35,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:35,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:35,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 04:07:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:35,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:35,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:35,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:35,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:35,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:35,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:35,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:35,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:35,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:35,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:35,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:35,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 04:07:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:35,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:35,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:35,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:35,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:35,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:35,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:35,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:35,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:35,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:35,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:35,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 04:07:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:35,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:35,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:35,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:35,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:35,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:35,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:35,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:35,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:35,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 04:07:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:35,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:35,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:35,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:35,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:35,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:35,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:35,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 43 proven. 52 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 04:07:35,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644611674] [2020-10-29 04:07:35,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:35,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 04:07:35,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344823189] [2020-10-29 04:07:35,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 04:07:35,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:35,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 04:07:35,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-10-29 04:07:35,254 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 16 states. [2020-10-29 04:07:36,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:36,023 INFO L93 Difference]: Finished difference Result 137 states and 140 transitions. [2020-10-29 04:07:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 04:07:36,024 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 70 [2020-10-29 04:07:36,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:36,025 INFO L225 Difference]: With dead ends: 137 [2020-10-29 04:07:36,026 INFO L226 Difference]: Without dead ends: 84 [2020-10-29 04:07:36,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2020-10-29 04:07:36,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-29 04:07:36,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2020-10-29 04:07:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-29 04:07:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2020-10-29 04:07:36,039 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 70 [2020-10-29 04:07:36,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:36,039 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2020-10-29 04:07:36,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 04:07:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2020-10-29 04:07:36,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-29 04:07:36,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:36,041 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:36,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 04:07:36,041 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:36,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:36,042 INFO L82 PathProgramCache]: Analyzing trace with hash 886574170, now seen corresponding path program 9 times [2020-10-29 04:07:36,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:36,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797516605] [2020-10-29 04:07:36,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:36,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:36,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:36,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-29 04:07:36,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:36,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 622 [2020-10-29 04:07:36,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:36,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:36,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 04:07:36,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 04:07:36,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:37,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:37,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:37,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:37,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:37,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:37,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:37,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:37,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:37,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:37,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 04:07:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:37,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:37,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:37,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:37,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:37,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:37,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:37,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:37,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:37,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 04:07:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:37,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:37,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:37,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:37,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:37,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:37,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:37,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:37,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:37,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 04:07:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:37,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:37,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:37,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:37,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:37,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:37,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:37,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:37,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:37,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:37,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:37,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:37,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 04:07:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:37,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:37,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:37,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:37,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:37,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:37,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:37,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:37,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:37,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:37,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 04:07:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:37,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:37,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:37,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:37,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:37,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:37,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:37,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:37,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:37,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:37,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 10 proven. 101 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 04:07:37,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797516605] [2020-10-29 04:07:37,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:37,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-29 04:07:37,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725345909] [2020-10-29 04:07:37,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-29 04:07:37,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:37,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-29 04:07:37,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-29 04:07:37,109 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 19 states. [2020-10-29 04:07:38,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:38,493 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-10-29 04:07:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-29 04:07:38,493 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 73 [2020-10-29 04:07:38,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:38,495 INFO L225 Difference]: With dead ends: 91 [2020-10-29 04:07:38,495 INFO L226 Difference]: Without dead ends: 88 [2020-10-29 04:07:38,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=113, Invalid=1077, Unknown=0, NotChecked=0, Total=1190 [2020-10-29 04:07:38,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-29 04:07:38,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2020-10-29 04:07:38,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-29 04:07:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-10-29 04:07:38,506 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 73 [2020-10-29 04:07:38,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:38,506 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-10-29 04:07:38,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-29 04:07:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-10-29 04:07:38,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-29 04:07:38,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:38,508 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:38,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 04:07:38,508 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:38,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:38,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1799153661, now seen corresponding path program 10 times [2020-10-29 04:07:38,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:38,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1408166257] [2020-10-29 04:07:38,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:38,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:39,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:39,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 04:07:39,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 636 [2020-10-29 04:07:39,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:39,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 04:07:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 04:07:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:39,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:39,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:39,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:39,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:39,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:07:39,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:39,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:39,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 04:07:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:39,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:39,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:39,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:39,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:39,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:39,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:39,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:39,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 04:07:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:39,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:39,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:39,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:39,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:39,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:39,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:39,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:39,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:39,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 04:07:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:39,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:39,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:39,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:39,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:39,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:39,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:39,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:39,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:39,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 04:07:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:39,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:39,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:39,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:39,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:39,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:39,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:39,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 04:07:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:39,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:39,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:39,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:39,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:39,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:39,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:39,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:39,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:39,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:39,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:39,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 04:07:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:39,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:39,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:39,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:39,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:39,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:39,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:39,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:39,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 84 proven. 51 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-29 04:07:39,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1408166257] [2020-10-29 04:07:39,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:39,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 04:07:39,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878508666] [2020-10-29 04:07:39,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 04:07:39,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:39,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 04:07:39,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-10-29 04:07:39,469 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 18 states. [2020-10-29 04:07:40,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:40,109 INFO L93 Difference]: Finished difference Result 156 states and 159 transitions. [2020-10-29 04:07:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 04:07:40,110 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 81 [2020-10-29 04:07:40,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:40,112 INFO L225 Difference]: With dead ends: 156 [2020-10-29 04:07:40,112 INFO L226 Difference]: Without dead ends: 95 [2020-10-29 04:07:40,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2020-10-29 04:07:40,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-29 04:07:40,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2020-10-29 04:07:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-29 04:07:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2020-10-29 04:07:40,131 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 81 [2020-10-29 04:07:40,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:40,131 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2020-10-29 04:07:40,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 04:07:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2020-10-29 04:07:40,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-29 04:07:40,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:40,133 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:40,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 04:07:40,135 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:40,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:40,135 INFO L82 PathProgramCache]: Analyzing trace with hash -236151005, now seen corresponding path program 11 times [2020-10-29 04:07:40,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:40,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711741600] [2020-10-29 04:07:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:40,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:41,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:41,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 04:07:41,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 865 [2020-10-29 04:07:41,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:41,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 04:07:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 04:07:41,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:41,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:41,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:41,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:41,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:41,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:41,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:07:41,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:41,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:41,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:41,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 04:07:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:41,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:41,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:41,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:41,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:07:41,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:41,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:41,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:41,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 04:07:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:41,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:41,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:41,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:41,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:41,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:41,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:41,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:41,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:41,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 04:07:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:41,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:41,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:41,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:41,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:41,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:41,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:41,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:41,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:41,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:41,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:41,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:41,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 04:07:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:41,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:41,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:41,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:41,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:41,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:41,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:41,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:41,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:41,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:41,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:41,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:41,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 04:07:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:41,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:41,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:41,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:41,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:41,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 04:07:41,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:41,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:41,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 04:07:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:41,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:41,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:41,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:41,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:41,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:41,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:41,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:41,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:41,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:41,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 12 proven. 142 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-29 04:07:41,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711741600] [2020-10-29 04:07:41,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:41,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-29 04:07:41,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475851960] [2020-10-29 04:07:41,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-29 04:07:41,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:41,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-29 04:07:41,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-29 04:07:41,644 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 21 states. [2020-10-29 04:07:43,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:43,344 INFO L93 Difference]: Finished difference Result 102 states and 103 transitions. [2020-10-29 04:07:43,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-29 04:07:43,345 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 84 [2020-10-29 04:07:43,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:43,346 INFO L225 Difference]: With dead ends: 102 [2020-10-29 04:07:43,347 INFO L226 Difference]: Without dead ends: 99 [2020-10-29 04:07:43,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=126, Invalid=1356, Unknown=0, NotChecked=0, Total=1482 [2020-10-29 04:07:43,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-29 04:07:43,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2020-10-29 04:07:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-29 04:07:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 96 transitions. [2020-10-29 04:07:43,360 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 96 transitions. Word has length 84 [2020-10-29 04:07:43,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:43,360 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 96 transitions. [2020-10-29 04:07:43,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-29 04:07:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2020-10-29 04:07:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-29 04:07:43,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:43,361 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:43,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 04:07:43,362 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:43,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:43,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1860227532, now seen corresponding path program 12 times [2020-10-29 04:07:43,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:43,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453344747] [2020-10-29 04:07:43,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:43,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:44,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:44,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 04:07:44,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:44,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 715 [2020-10-29 04:07:44,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:44,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:44,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 04:07:44,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:44,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 04:07:44,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:44,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:44,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:44,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:44,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:44,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:44,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:44,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:44,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:44,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:44,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:44,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 04:07:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:44,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:44,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:44,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:44,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:44,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:44,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:44,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:44,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:44,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:44,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:44,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:44,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 04:07:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:44,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:44,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:44,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:44,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:44,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:44,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:44,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:44,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:44,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:44,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:44,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:44,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 04:07:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:44,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:44,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:44,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:44,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:44,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:44,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:44,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:44,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:44,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:44,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:44,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:44,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 04:07:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:44,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:44,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:44,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:44,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:44,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:44,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:44,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:44,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:44,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:44,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:44,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:44,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 04:07:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:44,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:44,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:44,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:44,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:44,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:44,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:44,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:44,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:44,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 04:07:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:44,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:44,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:44,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:44,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:44,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:44,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:44,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:44,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:44,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 04:07:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:44,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:44,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:44,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:44,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:44,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:44,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:44,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 112 proven. 70 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-29 04:07:44,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453344747] [2020-10-29 04:07:44,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:44,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-29 04:07:44,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606021278] [2020-10-29 04:07:44,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-29 04:07:44,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:44,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-29 04:07:44,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-29 04:07:44,462 INFO L87 Difference]: Start difference. First operand 95 states and 96 transitions. Second operand 20 states. [2020-10-29 04:07:45,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:45,151 INFO L93 Difference]: Finished difference Result 175 states and 178 transitions. [2020-10-29 04:07:45,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-29 04:07:45,152 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 92 [2020-10-29 04:07:45,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:45,155 INFO L225 Difference]: With dead ends: 175 [2020-10-29 04:07:45,155 INFO L226 Difference]: Without dead ends: 106 [2020-10-29 04:07:45,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=619, Unknown=0, NotChecked=0, Total=812 [2020-10-29 04:07:45,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-29 04:07:45,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2020-10-29 04:07:45,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-29 04:07:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2020-10-29 04:07:45,169 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 92 [2020-10-29 04:07:45,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:45,169 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2020-10-29 04:07:45,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-29 04:07:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2020-10-29 04:07:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-29 04:07:45,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:45,170 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:45,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 04:07:45,171 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:45,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:45,171 INFO L82 PathProgramCache]: Analyzing trace with hash 310482604, now seen corresponding path program 13 times [2020-10-29 04:07:45,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:45,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126453155] [2020-10-29 04:07:45,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:45,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:46,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:46,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 04:07:46,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:46,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 907 [2020-10-29 04:07:46,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:46,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 04:07:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 04:07:46,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:46,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:46,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:46,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:46,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:46,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:46,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:46,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:46,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:46,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:46,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 04:07:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:46,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:46,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:46,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:46,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:46,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:46,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:46,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:46,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:46,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:46,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:46,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:46,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 04:07:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:46,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:46,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:46,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:46,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:46,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:46,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:46,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:46,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:46,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:46,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:46,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:46,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 04:07:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:46,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:46,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:46,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:46,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:46,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:46,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:46,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:46,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:46,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:46,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:46,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:46,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 04:07:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:46,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:46,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:46,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:46,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:46,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:46,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:46,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:46,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:46,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 04:07:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:46,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:46,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:46,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:46,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:46,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:46,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:46,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:46,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:46,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:46,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:46,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:46,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 04:07:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:46,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:46,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:46,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:46,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:46,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:46,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:46,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:46,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:46,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:46,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:46,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:46,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 04:07:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:46,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:46,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:46,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:46,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:46,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:46,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:46,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:46,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:46,741 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 14 proven. 190 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-29 04:07:46,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126453155] [2020-10-29 04:07:46,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:46,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 04:07:46,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851103442] [2020-10-29 04:07:46,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 04:07:46,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:46,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 04:07:46,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-29 04:07:46,744 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. Second operand 23 states. [2020-10-29 04:07:48,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:48,644 INFO L93 Difference]: Finished difference Result 113 states and 114 transitions. [2020-10-29 04:07:48,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-29 04:07:48,645 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 95 [2020-10-29 04:07:48,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:48,646 INFO L225 Difference]: With dead ends: 113 [2020-10-29 04:07:48,646 INFO L226 Difference]: Without dead ends: 110 [2020-10-29 04:07:48,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=139, Invalid=1667, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 04:07:48,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-29 04:07:48,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2020-10-29 04:07:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-29 04:07:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 107 transitions. [2020-10-29 04:07:48,663 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 107 transitions. Word has length 95 [2020-10-29 04:07:48,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:48,663 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 107 transitions. [2020-10-29 04:07:48,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-29 04:07:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 107 transitions. [2020-10-29 04:07:48,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-29 04:07:48,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:48,668 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:48,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 04:07:48,668 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:48,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:48,669 INFO L82 PathProgramCache]: Analyzing trace with hash 456011861, now seen corresponding path program 14 times [2020-10-29 04:07:48,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:48,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634198513] [2020-10-29 04:07:48,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:48,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:49,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:49,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 04:07:49,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:49,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 805 [2020-10-29 04:07:49,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:49,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 04:07:49,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:49,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 04:07:49,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:49,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:49,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:49,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:49,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:49,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:07:49,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:49,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:49,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:49,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 04:07:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:49,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:49,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:49,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:49,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:49,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:49,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:49,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:49,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 04:07:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:49,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:49,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:49,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:49,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:49,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:49,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:49,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:49,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 04:07:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:49,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:49,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:49,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 04:07:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:49,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:49,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:49,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:49,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:49,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:49,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:49,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:49,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:49,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 04:07:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:49,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:49,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:49,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:49,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:49,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:49,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:49,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:49,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:49,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:49,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:49,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 04:07:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:49,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:49,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:49,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:49,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:49,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:49,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:49,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:49,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 04:07:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:49,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:49,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:49,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:49,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:49,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:49,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:49,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:49,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:49,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:49,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 04:07:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:49,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:49,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:49,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:49,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:49,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:49,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:49,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:49,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:49,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:49,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:49,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 144 proven. 92 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-29 04:07:49,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634198513] [2020-10-29 04:07:49,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:49,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-29 04:07:49,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67137356] [2020-10-29 04:07:49,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-29 04:07:49,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:49,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-29 04:07:49,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2020-10-29 04:07:49,932 INFO L87 Difference]: Start difference. First operand 106 states and 107 transitions. Second operand 22 states. [2020-10-29 04:07:50,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:50,760 INFO L93 Difference]: Finished difference Result 194 states and 197 transitions. [2020-10-29 04:07:50,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 04:07:50,760 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 103 [2020-10-29 04:07:50,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:50,762 INFO L225 Difference]: With dead ends: 194 [2020-10-29 04:07:50,762 INFO L226 Difference]: Without dead ends: 117 [2020-10-29 04:07:50,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2020-10-29 04:07:50,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-29 04:07:50,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 109. [2020-10-29 04:07:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-29 04:07:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 110 transitions. [2020-10-29 04:07:50,782 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 110 transitions. Word has length 103 [2020-10-29 04:07:50,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:50,783 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 110 transitions. [2020-10-29 04:07:50,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-29 04:07:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2020-10-29 04:07:50,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-29 04:07:50,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:50,784 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:50,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 04:07:50,785 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:50,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:50,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1315201163, now seen corresponding path program 15 times [2020-10-29 04:07:50,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:50,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589877886] [2020-10-29 04:07:50,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:50,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:51,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:51,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 04:07:51,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 931 [2020-10-29 04:07:51,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:51,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 04:07:51,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:51,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-29 04:07:51,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:52,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:52,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:52,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:52,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:52,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:52,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:52,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:52,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:52,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:52,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 04:07:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:52,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:52,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:52,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:52,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:52,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:52,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:52,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:52,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 04:07:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:52,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:52,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:52,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:52,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:52,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:52,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:52,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:52,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:52,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:52,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 04:07:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:52,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:52,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:52,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:52,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:52,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:52,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:52,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:52,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:52,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:52,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:52,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:52,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 04:07:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:52,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:52,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:52,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:52,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:52,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:52,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:52,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:52,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:52,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:52,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:52,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:52,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 04:07:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:52,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:52,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:52,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:52,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:52,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:52,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:52,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:52,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:52,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:52,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 04:07:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:52,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:52,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:52,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:52,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:52,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:52,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:52,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:52,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:52,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 04:07:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:52,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:52,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:52,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:52,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:52,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:52,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:52,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:52,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:52,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:52,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 04:07:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:52,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:52,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:52,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:52,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:52,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:52,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 16 proven. 245 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-29 04:07:52,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589877886] [2020-10-29 04:07:52,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:52,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-29 04:07:52,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431835298] [2020-10-29 04:07:52,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-29 04:07:52,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:52,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-29 04:07:52,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2020-10-29 04:07:52,517 INFO L87 Difference]: Start difference. First operand 109 states and 110 transitions. Second operand 25 states. [2020-10-29 04:07:54,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:54,694 INFO L93 Difference]: Finished difference Result 124 states and 125 transitions. [2020-10-29 04:07:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-29 04:07:54,695 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 106 [2020-10-29 04:07:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:54,697 INFO L225 Difference]: With dead ends: 124 [2020-10-29 04:07:54,697 INFO L226 Difference]: Without dead ends: 121 [2020-10-29 04:07:54,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=149, Invalid=1921, Unknown=0, NotChecked=0, Total=2070 [2020-10-29 04:07:54,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-29 04:07:54,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2020-10-29 04:07:54,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-10-29 04:07:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 118 transitions. [2020-10-29 04:07:54,721 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 118 transitions. Word has length 106 [2020-10-29 04:07:54,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:54,722 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 118 transitions. [2020-10-29 04:07:54,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-29 04:07:54,722 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2020-10-29 04:07:54,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-29 04:07:54,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:54,726 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:54,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 04:07:54,726 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:54,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:54,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1921294306, now seen corresponding path program 16 times [2020-10-29 04:07:54,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:54,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660573667] [2020-10-29 04:07:54,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:54,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:55,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:55,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 04:07:55,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:55,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 849 [2020-10-29 04:07:55,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:55,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 04:07:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 04:07:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:55,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:55,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:55,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:55,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:55,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:55,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:56,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:56,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:56,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:56,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 04:07:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:56,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:56,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:56,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:56,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:56,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:56,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:56,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:56,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:56,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 04:07:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:56,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:56,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:56,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:56,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:56,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:56,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:56,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 04:07:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:56,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:56,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:56,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:56,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:56,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:56,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:56,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:56,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:56,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:56,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 04:07:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:56,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:56,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:56,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:56,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:56,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:56,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:56,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:56,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:56,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 04:07:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:56,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:56,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:56,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:56,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:56,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:56,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:56,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:56,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:56,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:56,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:56,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 04:07:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:56,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:56,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:56,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:56,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:56,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:56,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:56,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:56,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:56,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 04:07:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:56,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:56,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:56,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:56,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:56,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:56,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:56,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:56,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 04:07:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:56,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:56,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:56,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:56,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:56,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:56,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:56,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:56,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:56,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:56,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:56,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:56,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 04:07:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:56,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:56,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:56,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:56,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:56,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:56,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:56,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:56,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:56,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:56,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:56,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:56,088 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 180 proven. 117 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-29 04:07:56,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660573667] [2020-10-29 04:07:56,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:56,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-29 04:07:56,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503901906] [2020-10-29 04:07:56,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-29 04:07:56,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:56,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-29 04:07:56,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2020-10-29 04:07:56,091 INFO L87 Difference]: Start difference. First operand 117 states and 118 transitions. Second operand 24 states. [2020-10-29 04:07:57,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:07:57,057 INFO L93 Difference]: Finished difference Result 213 states and 216 transitions. [2020-10-29 04:07:57,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-29 04:07:57,058 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 114 [2020-10-29 04:07:57,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:07:57,060 INFO L225 Difference]: With dead ends: 213 [2020-10-29 04:07:57,061 INFO L226 Difference]: Without dead ends: 128 [2020-10-29 04:07:57,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2020-10-29 04:07:57,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-29 04:07:57,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 120. [2020-10-29 04:07:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-29 04:07:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 121 transitions. [2020-10-29 04:07:57,075 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 121 transitions. Word has length 114 [2020-10-29 04:07:57,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:07:57,076 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 121 transitions. [2020-10-29 04:07:57,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-29 04:07:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 121 transitions. [2020-10-29 04:07:57,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-29 04:07:57,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:07:57,077 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:07:57,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-29 04:07:57,078 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:07:57,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:07:57,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1646838530, now seen corresponding path program 17 times [2020-10-29 04:07:57,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:07:57,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928580555] [2020-10-29 04:07:57,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:07:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:57,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 04:07:58,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 984 [2020-10-29 04:07:58,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 04:07:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:07:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-29 04:07:58,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:07:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:58,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:07:58,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:58,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:07:58,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:58,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:07:58,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:58,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 04:07:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:58,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:58,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:58,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:58,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:58,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 04:07:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:58,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:58,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:07:58,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:58,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:07:58,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 04:07:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:58,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:58,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:58,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:58,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:58,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 04:07:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:58,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:58,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:07:58,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:58,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:58,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 04:07:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:58,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:58,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:58,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:58,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:58,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:58,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:58,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 04:07:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:58,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:58,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:07:58,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:58,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:07:58,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 04:07:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:58,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:58,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:58,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:58,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:58,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:58,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:58,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 04:07:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:58,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:58,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:58,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:58,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:58,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 04:07:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:07:58,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:07:58,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:07:58,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:07:58,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:07:58,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:07:58,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:07:58,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:07:58,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:07:58,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:07:58,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:07:58,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:07:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 18 proven. 307 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-29 04:07:58,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928580555] [2020-10-29 04:07:58,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:07:58,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-29 04:07:58,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661275351] [2020-10-29 04:07:58,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-29 04:07:58,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:07:58,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-29 04:07:58,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=649, Unknown=0, NotChecked=0, Total=702 [2020-10-29 04:07:58,897 INFO L87 Difference]: Start difference. First operand 120 states and 121 transitions. Second operand 27 states. [2020-10-29 04:08:01,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:01,536 INFO L93 Difference]: Finished difference Result 135 states and 136 transitions. [2020-10-29 04:08:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-29 04:08:01,537 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 117 [2020-10-29 04:08:01,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:01,539 INFO L225 Difference]: With dead ends: 135 [2020-10-29 04:08:01,539 INFO L226 Difference]: Without dead ends: 132 [2020-10-29 04:08:01,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=162, Invalid=2288, Unknown=0, NotChecked=0, Total=2450 [2020-10-29 04:08:01,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-29 04:08:01,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 128. [2020-10-29 04:08:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-29 04:08:01,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 129 transitions. [2020-10-29 04:08:01,552 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 129 transitions. Word has length 117 [2020-10-29 04:08:01,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:01,553 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 129 transitions. [2020-10-29 04:08:01,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-29 04:08:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 129 transitions. [2020-10-29 04:08:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-29 04:08:01,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:01,555 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:01,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-29 04:08:01,555 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:01,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:01,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1600742567, now seen corresponding path program 18 times [2020-10-29 04:08:01,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:01,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080138670] [2020-10-29 04:08:01,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:01,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:02,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:02,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-29 04:08:02,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:02,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-10-29 04:08:02,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:02,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-29 04:08:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 04:08:02,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:08:03,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:03,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:03,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:03,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 04:08:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:03,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:03,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:03,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 04:08:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:03,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:03,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:03,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:03,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 04:08:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:03,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:03,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 04:08:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:03,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:03,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:03,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:03,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 04:08:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:03,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:03,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 04:08:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:03,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:03,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:03,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 04:08:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:03,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:03,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:03,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 04:08:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:03,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:03,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:03,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 04:08:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:03,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:03,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:03,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-29 04:08:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:03,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:03,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:03,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:03,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:03,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:03,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:03,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:03,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 220 proven. 145 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-29 04:08:03,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080138670] [2020-10-29 04:08:03,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:03,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-29 04:08:03,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739913759] [2020-10-29 04:08:03,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-29 04:08:03,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:03,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-29 04:08:03,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2020-10-29 04:08:03,135 INFO L87 Difference]: Start difference. First operand 128 states and 129 transitions. Second operand 26 states. [2020-10-29 04:08:04,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:04,202 INFO L93 Difference]: Finished difference Result 232 states and 235 transitions. [2020-10-29 04:08:04,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 04:08:04,206 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 125 [2020-10-29 04:08:04,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:04,207 INFO L225 Difference]: With dead ends: 232 [2020-10-29 04:08:04,208 INFO L226 Difference]: Without dead ends: 139 [2020-10-29 04:08:04,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=328, Invalid=1078, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 04:08:04,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-29 04:08:04,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 131. [2020-10-29 04:08:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-29 04:08:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 132 transitions. [2020-10-29 04:08:04,222 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 132 transitions. Word has length 125 [2020-10-29 04:08:04,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:04,222 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 132 transitions. [2020-10-29 04:08:04,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-29 04:08:04,222 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2020-10-29 04:08:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 04:08:04,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:04,224 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:04,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-29 04:08:04,224 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:04,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:04,225 INFO L82 PathProgramCache]: Analyzing trace with hash 2109520839, now seen corresponding path program 19 times [2020-10-29 04:08:04,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:04,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785900502] [2020-10-29 04:08:04,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:04,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:05,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:05,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-29 04:08:05,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:05,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1207 [2020-10-29 04:08:05,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:05,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:05,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 04:08:05,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:05,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 04:08:05,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:06,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:06,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:06,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:06,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 04:08:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:06,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:06,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:06,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 04:08:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:06,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:06,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:06,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 04:08:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:06,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:06,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:06,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 04:08:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:06,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:06,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:06,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 04:08:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:06,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:06,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:06,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 04:08:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:06,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:06,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:06,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 04:08:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:06,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:06,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:06,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 04:08:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:06,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:06,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:06,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 04:08:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:06,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:06,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:06,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 04:08:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:06,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:06,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:06,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:06,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:06,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:06,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:06,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 20 proven. 376 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-29 04:08:06,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785900502] [2020-10-29 04:08:06,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:06,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-29 04:08:06,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001692955] [2020-10-29 04:08:06,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-29 04:08:06,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:06,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-29 04:08:06,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-29 04:08:06,353 INFO L87 Difference]: Start difference. First operand 131 states and 132 transitions. Second operand 29 states. [2020-10-29 04:08:09,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:09,491 INFO L93 Difference]: Finished difference Result 146 states and 147 transitions. [2020-10-29 04:08:09,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-29 04:08:09,493 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 128 [2020-10-29 04:08:09,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:09,494 INFO L225 Difference]: With dead ends: 146 [2020-10-29 04:08:09,494 INFO L226 Difference]: Without dead ends: 143 [2020-10-29 04:08:09,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=173, Invalid=2689, Unknown=0, NotChecked=0, Total=2862 [2020-10-29 04:08:09,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-10-29 04:08:09,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2020-10-29 04:08:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-29 04:08:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 140 transitions. [2020-10-29 04:08:09,508 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 140 transitions. Word has length 128 [2020-10-29 04:08:09,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:09,509 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 140 transitions. [2020-10-29 04:08:09,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-29 04:08:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2020-10-29 04:08:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-29 04:08:09,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:09,511 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:09,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-29 04:08:09,511 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:09,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:09,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1565783440, now seen corresponding path program 20 times [2020-10-29 04:08:09,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:09,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208497632] [2020-10-29 04:08:09,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:09,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:10,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:10,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 04:08:10,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:10,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1068 [2020-10-29 04:08:10,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:10,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 04:08:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:10,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-29 04:08:10,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:11,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:11,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 04:08:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 04:08:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 04:08:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 04:08:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 04:08:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 04:08:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 04:08:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 04:08:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 04:08:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 04:08:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 04:08:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:11,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:11,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:11,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:11,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:11,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:11,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:11,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 264 proven. 176 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-29 04:08:11,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208497632] [2020-10-29 04:08:11,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:11,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-29 04:08:11,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432465979] [2020-10-29 04:08:11,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-29 04:08:11,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:11,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-29 04:08:11,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-29 04:08:11,228 INFO L87 Difference]: Start difference. First operand 139 states and 140 transitions. Second operand 28 states. [2020-10-29 04:08:12,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:12,411 INFO L93 Difference]: Finished difference Result 251 states and 254 transitions. [2020-10-29 04:08:12,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-29 04:08:12,412 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 136 [2020-10-29 04:08:12,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:12,414 INFO L225 Difference]: With dead ends: 251 [2020-10-29 04:08:12,414 INFO L226 Difference]: Without dead ends: 150 [2020-10-29 04:08:12,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=381, Invalid=1259, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 04:08:12,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-29 04:08:12,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 142. [2020-10-29 04:08:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-29 04:08:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 143 transitions. [2020-10-29 04:08:12,429 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 143 transitions. Word has length 136 [2020-10-29 04:08:12,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:12,430 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 143 transitions. [2020-10-29 04:08:12,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-29 04:08:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 143 transitions. [2020-10-29 04:08:12,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-29 04:08:12,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:12,432 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:12,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-29 04:08:12,432 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:12,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:12,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1209991344, now seen corresponding path program 21 times [2020-10-29 04:08:12,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:12,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339304863] [2020-10-29 04:08:12,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:12,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:13,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:13,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 04:08:13,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1442 [2020-10-29 04:08:13,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:13,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 04:08:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-29 04:08:13,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:14,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 04:08:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 04:08:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 04:08:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 04:08:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 04:08:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 04:08:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 04:08:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 04:08:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 04:08:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 04:08:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 04:08:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:14,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:14,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:14,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:14,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:14,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:14,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:14,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:14,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 22 proven. 452 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-29 04:08:14,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339304863] [2020-10-29 04:08:14,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:14,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-29 04:08:14,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904014225] [2020-10-29 04:08:14,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-29 04:08:14,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:14,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-29 04:08:14,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-29 04:08:14,952 INFO L87 Difference]: Start difference. First operand 142 states and 143 transitions. Second operand 31 states. [2020-10-29 04:08:18,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:18,511 INFO L93 Difference]: Finished difference Result 157 states and 158 transitions. [2020-10-29 04:08:18,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-29 04:08:18,513 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 139 [2020-10-29 04:08:18,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:18,515 INFO L225 Difference]: With dead ends: 157 [2020-10-29 04:08:18,515 INFO L226 Difference]: Without dead ends: 154 [2020-10-29 04:08:18,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=191, Invalid=3231, Unknown=0, NotChecked=0, Total=3422 [2020-10-29 04:08:18,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-29 04:08:18,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2020-10-29 04:08:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-29 04:08:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 151 transitions. [2020-10-29 04:08:18,537 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 151 transitions. Word has length 139 [2020-10-29 04:08:18,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:18,538 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 151 transitions. [2020-10-29 04:08:18,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-29 04:08:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 151 transitions. [2020-10-29 04:08:18,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-29 04:08:18,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:18,547 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:18,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-29 04:08:18,547 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:18,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:18,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1166232327, now seen corresponding path program 22 times [2020-10-29 04:08:18,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:18,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398446437] [2020-10-29 04:08:18,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:18,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:19,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:19,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-29 04:08:19,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:19,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-10-29 04:08:19,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:19,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:19,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-29 04:08:19,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:19,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 04:08:19,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:20,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:08:20,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 04:08:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:20,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 04:08:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:20,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 04:08:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:20,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 04:08:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:20,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 04:08:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:20,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 04:08:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:20,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 04:08:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:20,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 04:08:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:20,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 04:08:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:20,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 04:08:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:20,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 04:08:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:20,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 04:08:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:20,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:20,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:20,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:20,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:20,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:20,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:20,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:20,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 312 proven. 210 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-29 04:08:20,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398446437] [2020-10-29 04:08:20,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:20,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-29 04:08:20,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209114671] [2020-10-29 04:08:20,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-29 04:08:20,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:20,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-29 04:08:20,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2020-10-29 04:08:20,263 INFO L87 Difference]: Start difference. First operand 150 states and 151 transitions. Second operand 30 states. [2020-10-29 04:08:21,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:21,574 INFO L93 Difference]: Finished difference Result 270 states and 273 transitions. [2020-10-29 04:08:21,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-29 04:08:21,575 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 147 [2020-10-29 04:08:21,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:21,578 INFO L225 Difference]: With dead ends: 270 [2020-10-29 04:08:21,578 INFO L226 Difference]: Without dead ends: 161 [2020-10-29 04:08:21,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=438, Invalid=1454, Unknown=0, NotChecked=0, Total=1892 [2020-10-29 04:08:21,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-29 04:08:21,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2020-10-29 04:08:21,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-29 04:08:21,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 154 transitions. [2020-10-29 04:08:21,593 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 154 transitions. Word has length 147 [2020-10-29 04:08:21,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:21,593 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 154 transitions. [2020-10-29 04:08:21,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-29 04:08:21,593 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2020-10-29 04:08:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-29 04:08:21,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:21,595 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:21,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-29 04:08:21,595 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:21,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:21,595 INFO L82 PathProgramCache]: Analyzing trace with hash 702018585, now seen corresponding path program 23 times [2020-10-29 04:08:21,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:21,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129752938] [2020-10-29 04:08:21,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:21,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:22,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:22,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-29 04:08:22,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:22,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1288 [2020-10-29 04:08:22,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:22,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:22,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 04:08:22,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-29 04:08:22,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:23,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:23,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:23,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:23,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:23,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:23,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:23,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:23,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:23,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:23,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:23,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:23,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 04:08:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:23,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:23,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:23,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:23,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:23,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:23,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:23,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:23,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:23,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 04:08:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:23,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:23,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:23,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:23,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:23,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:23,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:23,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:23,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:23,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:23,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:23,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:23,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 04:08:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:23,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:23,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:23,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:23,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:24,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:24,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:24,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:24,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:24,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:24,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:24,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:24,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 04:08:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:24,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:24,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:24,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:24,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:24,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:24,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:24,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:24,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:24,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:24,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:24,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:24,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 04:08:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:24,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:24,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:24,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:24,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:24,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:24,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:24,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:24,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:24,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:24,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:24,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:24,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 04:08:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:24,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:24,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:24,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:24,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:24,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:24,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:24,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 04:08:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:24,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:24,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:24,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:24,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:24,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:24,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:24,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:24,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:24,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:24,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 04:08:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:24,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:24,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:24,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:24,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:24,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:24,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:24,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:24,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 04:08:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:24,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:24,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:24,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:24,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:24,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:24,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:24,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:24,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:24,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:24,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:24,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:24,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 04:08:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:24,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:24,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:24,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:24,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:24,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:24,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:24,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:24,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:24,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:24,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:24,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:24,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 04:08:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:24,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:24,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:24,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:24,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:24,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:24,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:24,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:24,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:24,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:24,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:24,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:24,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 04:08:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:24,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:24,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:24,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:24,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:24,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:24,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:24,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:24,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:24,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 24 proven. 535 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-29 04:08:24,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129752938] [2020-10-29 04:08:24,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:24,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-29 04:08:24,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027441397] [2020-10-29 04:08:24,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-29 04:08:24,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:24,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-29 04:08:24,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 04:08:24,106 INFO L87 Difference]: Start difference. First operand 153 states and 154 transitions. Second operand 33 states. [2020-10-29 04:08:28,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:28,208 INFO L93 Difference]: Finished difference Result 168 states and 169 transitions. [2020-10-29 04:08:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-29 04:08:28,209 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 150 [2020-10-29 04:08:28,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:28,211 INFO L225 Difference]: With dead ends: 168 [2020-10-29 04:08:28,211 INFO L226 Difference]: Without dead ends: 165 [2020-10-29 04:08:28,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=204, Invalid=3702, Unknown=0, NotChecked=0, Total=3906 [2020-10-29 04:08:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-29 04:08:28,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2020-10-29 04:08:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-29 04:08:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 162 transitions. [2020-10-29 04:08:28,228 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 162 transitions. Word has length 150 [2020-10-29 04:08:28,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:28,228 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 162 transitions. [2020-10-29 04:08:28,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-29 04:08:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2020-10-29 04:08:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-29 04:08:28,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:28,230 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:28,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-29 04:08:28,230 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:28,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:28,231 INFO L82 PathProgramCache]: Analyzing trace with hash 2046480578, now seen corresponding path program 24 times [2020-10-29 04:08:28,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:28,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621368175] [2020-10-29 04:08:28,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:28,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:29,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:29,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-29 04:08:29,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:29,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1098 [2020-10-29 04:08:29,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:29,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:29,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-29 04:08:29,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-29 04:08:29,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:29,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:29,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:29,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:29,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:29,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:29,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:29,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:29,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:29,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:29,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:29,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 04:08:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 04:08:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 04:08:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:30,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 04:08:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 04:08:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 04:08:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 04:08:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:30,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 04:08:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 04:08:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 04:08:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 04:08:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 04:08:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 04:08:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:30,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:30,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:30,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:30,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:30,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:30,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:30,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:30,107 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 364 proven. 247 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-29 04:08:30,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621368175] [2020-10-29 04:08:30,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:30,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-29 04:08:30,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721419566] [2020-10-29 04:08:30,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-29 04:08:30,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:30,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-29 04:08:30,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=749, Unknown=0, NotChecked=0, Total=992 [2020-10-29 04:08:30,109 INFO L87 Difference]: Start difference. First operand 161 states and 162 transitions. Second operand 32 states. [2020-10-29 04:08:31,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:31,496 INFO L93 Difference]: Finished difference Result 289 states and 292 transitions. [2020-10-29 04:08:31,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-29 04:08:31,497 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 158 [2020-10-29 04:08:31,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:31,500 INFO L225 Difference]: With dead ends: 289 [2020-10-29 04:08:31,500 INFO L226 Difference]: Without dead ends: 172 [2020-10-29 04:08:31,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=499, Invalid=1663, Unknown=0, NotChecked=0, Total=2162 [2020-10-29 04:08:31,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-29 04:08:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 164. [2020-10-29 04:08:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-29 04:08:31,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 165 transitions. [2020-10-29 04:08:31,518 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 165 transitions. Word has length 158 [2020-10-29 04:08:31,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:31,519 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 165 transitions. [2020-10-29 04:08:31,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-29 04:08:31,519 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 165 transitions. [2020-10-29 04:08:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-29 04:08:31,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:31,520 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:31,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-29 04:08:31,523 INFO L429 AbstractCegarLoop]: === Iteration 29 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:31,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:31,523 INFO L82 PathProgramCache]: Analyzing trace with hash 564583842, now seen corresponding path program 25 times [2020-10-29 04:08:31,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:31,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590293756] [2020-10-29 04:08:31,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:31,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:32,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:32,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-29 04:08:32,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:32,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1180 [2020-10-29 04:08:32,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:32,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 04:08:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-29 04:08:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:33,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:33,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:33,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 04:08:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:33,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 04:08:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:33,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 04:08:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:33,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 04:08:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:33,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 04:08:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:33,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 04:08:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:33,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 04:08:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:33,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 04:08:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:33,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 04:08:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:33,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 04:08:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:33,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 04:08:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:33,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-29 04:08:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:33,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-29 04:08:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:33,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:33,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:33,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:33,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:33,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:33,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:33,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:33,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 26 proven. 625 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-29 04:08:33,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [590293756] [2020-10-29 04:08:33,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:33,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-29 04:08:33,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098959913] [2020-10-29 04:08:33,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-29 04:08:33,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:33,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-29 04:08:33,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-29 04:08:33,947 INFO L87 Difference]: Start difference. First operand 164 states and 165 transitions. Second operand 35 states. [2020-10-29 04:08:38,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:38,639 INFO L93 Difference]: Finished difference Result 179 states and 180 transitions. [2020-10-29 04:08:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-29 04:08:38,640 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 161 [2020-10-29 04:08:38,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:38,642 INFO L225 Difference]: With dead ends: 179 [2020-10-29 04:08:38,642 INFO L226 Difference]: Without dead ends: 176 [2020-10-29 04:08:38,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=217, Invalid=4205, Unknown=0, NotChecked=0, Total=4422 [2020-10-29 04:08:38,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-29 04:08:38,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2020-10-29 04:08:38,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-29 04:08:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 173 transitions. [2020-10-29 04:08:38,661 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 173 transitions. Word has length 161 [2020-10-29 04:08:38,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:38,662 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 173 transitions. [2020-10-29 04:08:38,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-29 04:08:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2020-10-29 04:08:38,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-29 04:08:38,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:38,663 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:38,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-29 04:08:38,664 INFO L429 AbstractCegarLoop]: === Iteration 30 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:38,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:38,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1701847371, now seen corresponding path program 26 times [2020-10-29 04:08:38,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:38,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502823984] [2020-10-29 04:08:38,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:38,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:39,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:39,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 04:08:39,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:39,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1180 [2020-10-29 04:08:39,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:39,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 04:08:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:39,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-29 04:08:39,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:40,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:08:40,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:40,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:40,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 04:08:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 04:08:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 04:08:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 04:08:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 04:08:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 04:08:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 04:08:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 04:08:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 04:08:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 04:08:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:40,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 04:08:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:40,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-29 04:08:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:40,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-29 04:08:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-29 04:08:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:40,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:40,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:40,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:40,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:40,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:40,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:40,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:40,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 420 proven. 287 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-29 04:08:40,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502823984] [2020-10-29 04:08:40,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:40,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-29 04:08:40,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873942679] [2020-10-29 04:08:40,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-29 04:08:40,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:40,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-29 04:08:40,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 04:08:40,748 INFO L87 Difference]: Start difference. First operand 172 states and 173 transitions. Second operand 34 states. [2020-10-29 04:08:42,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:42,313 INFO L93 Difference]: Finished difference Result 308 states and 311 transitions. [2020-10-29 04:08:42,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-29 04:08:42,315 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 169 [2020-10-29 04:08:42,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:42,318 INFO L225 Difference]: With dead ends: 308 [2020-10-29 04:08:42,318 INFO L226 Difference]: Without dead ends: 183 [2020-10-29 04:08:42,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=564, Invalid=1886, Unknown=0, NotChecked=0, Total=2450 [2020-10-29 04:08:42,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-29 04:08:42,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 175. [2020-10-29 04:08:42,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-29 04:08:42,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 176 transitions. [2020-10-29 04:08:42,334 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 176 transitions. Word has length 169 [2020-10-29 04:08:42,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:42,335 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 176 transitions. [2020-10-29 04:08:42,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-29 04:08:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 176 transitions. [2020-10-29 04:08:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-29 04:08:42,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:42,336 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:42,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-29 04:08:42,336 INFO L429 AbstractCegarLoop]: === Iteration 31 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:42,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:42,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1988802453, now seen corresponding path program 27 times [2020-10-29 04:08:42,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:42,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079991921] [2020-10-29 04:08:42,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:42,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:44,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:44,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-29 04:08:44,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:44,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1697 [2020-10-29 04:08:44,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:44,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 04:08:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-29 04:08:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:45,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:45,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:45,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:08:45,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 04:08:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:45,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 04:08:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:45,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 04:08:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:45,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 04:08:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:45,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 04:08:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:45,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 04:08:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:45,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 04:08:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:45,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 04:08:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:45,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-29 04:08:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:45,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-29 04:08:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:45,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-29 04:08:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:45,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 04:08:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:45,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-29 04:08:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:45,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 04:08:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:45,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:45,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:45,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:45,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:45,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:45,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:45,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:45,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 28 proven. 722 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-29 04:08:45,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079991921] [2020-10-29 04:08:45,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:45,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-29 04:08:45,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127648776] [2020-10-29 04:08:45,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-29 04:08:45,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:45,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-29 04:08:45,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-29 04:08:45,505 INFO L87 Difference]: Start difference. First operand 175 states and 176 transitions. Second operand 37 states. [2020-10-29 04:08:50,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:50,681 INFO L93 Difference]: Finished difference Result 190 states and 191 transitions. [2020-10-29 04:08:50,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-29 04:08:50,682 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 172 [2020-10-29 04:08:50,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:50,684 INFO L225 Difference]: With dead ends: 190 [2020-10-29 04:08:50,685 INFO L226 Difference]: Without dead ends: 187 [2020-10-29 04:08:50,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=230, Invalid=4740, Unknown=0, NotChecked=0, Total=4970 [2020-10-29 04:08:50,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-29 04:08:50,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 183. [2020-10-29 04:08:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-10-29 04:08:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 184 transitions. [2020-10-29 04:08:50,705 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 184 transitions. Word has length 172 [2020-10-29 04:08:50,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:50,706 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 184 transitions. [2020-10-29 04:08:50,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-29 04:08:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 184 transitions. [2020-10-29 04:08:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-29 04:08:50,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:50,708 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:50,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-29 04:08:50,708 INFO L429 AbstractCegarLoop]: === Iteration 32 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:50,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:50,709 INFO L82 PathProgramCache]: Analyzing trace with hash -554716396, now seen corresponding path program 28 times [2020-10-29 04:08:50,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:50,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011217630] [2020-10-29 04:08:50,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:50,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:52,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:52,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-29 04:08:52,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:52,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1464 [2020-10-29 04:08:52,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:52,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:52,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-29 04:08:52,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:52,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-29 04:08:52,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:53,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:53,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:53,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 04:08:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 04:08:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 04:08:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 04:08:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 04:08:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 04:08:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:53,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 04:08:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 04:08:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-29 04:08:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-29 04:08:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-29 04:08:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 04:08:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-29 04:08:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 04:08:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:08:53,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-29 04:08:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:53,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:53,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:53,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:53,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:53,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:53,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:53,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:53,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 480 proven. 330 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-29 04:08:53,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011217630] [2020-10-29 04:08:53,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:53,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-29 04:08:53,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784606022] [2020-10-29 04:08:53,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-29 04:08:53,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:53,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-29 04:08:53,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2020-10-29 04:08:53,119 INFO L87 Difference]: Start difference. First operand 183 states and 184 transitions. Second operand 36 states. [2020-10-29 04:08:54,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:08:54,776 INFO L93 Difference]: Finished difference Result 327 states and 330 transitions. [2020-10-29 04:08:54,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-29 04:08:54,777 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 180 [2020-10-29 04:08:54,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:08:54,779 INFO L225 Difference]: With dead ends: 327 [2020-10-29 04:08:54,779 INFO L226 Difference]: Without dead ends: 194 [2020-10-29 04:08:54,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=633, Invalid=2123, Unknown=0, NotChecked=0, Total=2756 [2020-10-29 04:08:54,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-10-29 04:08:54,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 186. [2020-10-29 04:08:54,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-29 04:08:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 187 transitions. [2020-10-29 04:08:54,801 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 187 transitions. Word has length 180 [2020-10-29 04:08:54,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:08:54,801 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 187 transitions. [2020-10-29 04:08:54,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-29 04:08:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 187 transitions. [2020-10-29 04:08:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-29 04:08:54,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:08:54,803 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:08:54,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-29 04:08:54,803 INFO L429 AbstractCegarLoop]: === Iteration 33 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:08:54,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:08:54,804 INFO L82 PathProgramCache]: Analyzing trace with hash 2083575796, now seen corresponding path program 29 times [2020-10-29 04:08:54,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:08:54,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102619447] [2020-10-29 04:08:54,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:08:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:54,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:56,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:56,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-29 04:08:56,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:56,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1636 [2020-10-29 04:08:56,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:56,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 04:08:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:08:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-29 04:08:56,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:08:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:57,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:08:57,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:57,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:08:57,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:57,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:57,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:08:57,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:57,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:08:57,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 04:08:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:57,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:57,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:57,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:57,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:57,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:57,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:57,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 04:08:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:57,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:57,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:57,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:57,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:57,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 04:08:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:57,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:57,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:57,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:57,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:57,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:57,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:57,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:57,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 04:08:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:57,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:57,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:57,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:57,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:57,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:57,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:57,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 04:08:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:57,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:57,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:57,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:57,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 04:08:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:57,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:57,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:57,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:08:57,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:57,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:57,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:57,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:57,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 04:08:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:57,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:57,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:57,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:57,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:57,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:57,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:57,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:57,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-29 04:08:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:57,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:57,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:57,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:57,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:57,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:57,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-29 04:08:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:57,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:57,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:57,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:57,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:57,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:57,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:57,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-29 04:08:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:57,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:57,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:58,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:58,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:58,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:58,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:58,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:58,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-29 04:08:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:58,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:58,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:58,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:58,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:58,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:58,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:58,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:58,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:58,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-29 04:08:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:58,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:58,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:58,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:58,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:58,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:58,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:58,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:58,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:58,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-29 04:08:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:58,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:58,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:58,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:58,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:58,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:58,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:58,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:58,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:58,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-29 04:08:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:58,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:58,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:58,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:58,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:58,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:58,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:58,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:58,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:58,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-29 04:08:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:08:58,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:08:58,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:08:58,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:08:58,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:08:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:08:58,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:08:58,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:08:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:08:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:08:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:08:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:08:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 30 proven. 826 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-29 04:08:58,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102619447] [2020-10-29 04:08:58,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:08:58,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-29 04:08:58,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800581281] [2020-10-29 04:08:58,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-29 04:08:58,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:08:58,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-29 04:08:58,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2020-10-29 04:08:58,130 INFO L87 Difference]: Start difference. First operand 186 states and 187 transitions. Second operand 39 states. [2020-10-29 04:09:03,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:09:03,919 INFO L93 Difference]: Finished difference Result 201 states and 202 transitions. [2020-10-29 04:09:03,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-29 04:09:03,920 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 183 [2020-10-29 04:09:03,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:09:03,922 INFO L225 Difference]: With dead ends: 201 [2020-10-29 04:09:03,922 INFO L226 Difference]: Without dead ends: 198 [2020-10-29 04:09:03,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=243, Invalid=5307, Unknown=0, NotChecked=0, Total=5550 [2020-10-29 04:09:03,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-29 04:09:03,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2020-10-29 04:09:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-10-29 04:09:03,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 195 transitions. [2020-10-29 04:09:03,946 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 195 transitions. Word has length 183 [2020-10-29 04:09:03,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:09:03,946 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 195 transitions. [2020-10-29 04:09:03,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-29 04:09:03,947 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 195 transitions. [2020-10-29 04:09:03,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-29 04:09:03,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:09:03,948 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:09:03,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-29 04:09:03,948 INFO L429 AbstractCegarLoop]: === Iteration 34 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:09:03,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:09:03,949 INFO L82 PathProgramCache]: Analyzing trace with hash 2035001757, now seen corresponding path program 30 times [2020-10-29 04:09:03,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:09:03,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128966912] [2020-10-29 04:09:03,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:09:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:04,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:05,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:05,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-29 04:09:05,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:05,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1894 [2020-10-29 04:09:05,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:05,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-29 04:09:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:09:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-29 04:09:05,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:09:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:09:06,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:06,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:09:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:09:06,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 04:09:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 04:09:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 04:09:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 04:09:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 04:09:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:06,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 04:09:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 04:09:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:06,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-29 04:09:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:06,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-29 04:09:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-29 04:09:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-29 04:09:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-29 04:09:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-29 04:09:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-29 04:09:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-29 04:09:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:06,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-29 04:09:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:06,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:06,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:06,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:06,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:06,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:06,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:06,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:06,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 544 proven. 376 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-29 04:09:06,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128966912] [2020-10-29 04:09:06,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:09:06,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-29 04:09:06,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632760482] [2020-10-29 04:09:06,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-29 04:09:06,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:09:06,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-29 04:09:06,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1061, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 04:09:06,895 INFO L87 Difference]: Start difference. First operand 194 states and 195 transitions. Second operand 38 states. [2020-10-29 04:09:08,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:09:08,755 INFO L93 Difference]: Finished difference Result 346 states and 349 transitions. [2020-10-29 04:09:08,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-29 04:09:08,756 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 191 [2020-10-29 04:09:08,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:09:08,759 INFO L225 Difference]: With dead ends: 346 [2020-10-29 04:09:08,759 INFO L226 Difference]: Without dead ends: 205 [2020-10-29 04:09:08,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=706, Invalid=2374, Unknown=0, NotChecked=0, Total=3080 [2020-10-29 04:09:08,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-29 04:09:08,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 197. [2020-10-29 04:09:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-29 04:09:08,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 198 transitions. [2020-10-29 04:09:08,781 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 198 transitions. Word has length 191 [2020-10-29 04:09:08,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:09:08,781 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 198 transitions. [2020-10-29 04:09:08,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-29 04:09:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 198 transitions. [2020-10-29 04:09:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-29 04:09:08,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:09:08,783 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:09:08,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-29 04:09:08,783 INFO L429 AbstractCegarLoop]: === Iteration 35 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:09:08,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:09:08,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1880930493, now seen corresponding path program 31 times [2020-10-29 04:09:08,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:09:08,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441671294] [2020-10-29 04:09:08,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:09:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:08,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:10,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:10,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-29 04:09:10,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1983 [2020-10-29 04:09:10,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:10,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 04:09:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:09:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-29 04:09:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:09:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:09:12,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:09:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:09:12,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 04:09:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:12,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 04:09:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:12,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 04:09:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 04:09:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 04:09:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:12,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 04:09:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 04:09:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 04:09:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 04:09:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 04:09:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 04:09:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 04:09:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-29 04:09:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-29 04:09:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-29 04:09:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-29 04:09:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:12,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:12,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:12,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:12,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:12,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:12,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:12,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:12,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1449 backedges. 32 proven. 937 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-29 04:09:12,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441671294] [2020-10-29 04:09:12,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:09:12,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-29 04:09:12,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098069671] [2020-10-29 04:09:12,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-29 04:09:12,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:09:12,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-29 04:09:12,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 04:09:12,559 INFO L87 Difference]: Start difference. First operand 197 states and 198 transitions. Second operand 41 states. [2020-10-29 04:09:19,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:09:19,070 INFO L93 Difference]: Finished difference Result 212 states and 213 transitions. [2020-10-29 04:09:19,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-29 04:09:19,071 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 194 [2020-10-29 04:09:19,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:09:19,073 INFO L225 Difference]: With dead ends: 212 [2020-10-29 04:09:19,073 INFO L226 Difference]: Without dead ends: 209 [2020-10-29 04:09:19,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=256, Invalid=5906, Unknown=0, NotChecked=0, Total=6162 [2020-10-29 04:09:19,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-10-29 04:09:19,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 205. [2020-10-29 04:09:19,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-29 04:09:19,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 206 transitions. [2020-10-29 04:09:19,105 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 206 transitions. Word has length 194 [2020-10-29 04:09:19,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:09:19,106 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 206 transitions. [2020-10-29 04:09:19,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-29 04:09:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 206 transitions. [2020-10-29 04:09:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-29 04:09:19,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:09:19,107 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:09:19,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-29 04:09:19,107 INFO L429 AbstractCegarLoop]: === Iteration 36 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:09:19,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:09:19,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1659719322, now seen corresponding path program 32 times [2020-10-29 04:09:19,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:09:19,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107515289] [2020-10-29 04:09:19,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:09:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:19,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:20,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:20,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-29 04:09:20,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:20,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1512 [2020-10-29 04:09:20,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:20,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:20,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-29 04:09:20,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:09:20,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-10-29 04:09:20,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:09:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:09:21,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:09:21,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:09:21,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:09:21,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 04:09:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:21,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 04:09:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 04:09:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 04:09:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 04:09:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:21,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 04:09:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 04:09:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 04:09:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:21,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 04:09:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:21,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 04:09:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 04:09:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 04:09:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-29 04:09:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-29 04:09:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-29 04:09:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:21,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-29 04:09:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:21,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-29 04:09:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:21,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:21,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:21,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:21,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:21,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:21,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:21,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:21,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:21,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 547 proven. 490 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-29 04:09:21,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107515289] [2020-10-29 04:09:21,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:09:21,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-29 04:09:21,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068815124] [2020-10-29 04:09:21,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-29 04:09:21,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:09:21,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-29 04:09:21,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=1175, Unknown=0, NotChecked=0, Total=1560 [2020-10-29 04:09:21,811 INFO L87 Difference]: Start difference. First operand 205 states and 206 transitions. Second operand 40 states. [2020-10-29 04:09:23,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:09:23,697 INFO L93 Difference]: Finished difference Result 365 states and 368 transitions. [2020-10-29 04:09:23,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-29 04:09:23,698 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 202 [2020-10-29 04:09:23,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:09:23,701 INFO L225 Difference]: With dead ends: 365 [2020-10-29 04:09:23,701 INFO L226 Difference]: Without dead ends: 216 [2020-10-29 04:09:23,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=746, Invalid=2560, Unknown=0, NotChecked=0, Total=3306 [2020-10-29 04:09:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-10-29 04:09:23,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 208. [2020-10-29 04:09:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-10-29 04:09:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 209 transitions. [2020-10-29 04:09:23,720 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 209 transitions. Word has length 202 [2020-10-29 04:09:23,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:09:23,721 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 209 transitions. [2020-10-29 04:09:23,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-29 04:09:23,721 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2020-10-29 04:09:23,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-29 04:09:23,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:09:23,722 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:09:23,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-29 04:09:23,722 INFO L429 AbstractCegarLoop]: === Iteration 37 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:09:23,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:09:23,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1216802374, now seen corresponding path program 33 times [2020-10-29 04:09:23,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:09:23,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695882090] [2020-10-29 04:09:23,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:09:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:23,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:25,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:25,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-29 04:09:25,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:25,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1956 [2020-10-29 04:09:25,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:25,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 04:09:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:09:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 233 [2020-10-29 04:09:25,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:09:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:09:27,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:09:27,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:09:27,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 04:09:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:27,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 04:09:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:27,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 04:09:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 04:09:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 04:09:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 04:09:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-29 04:09:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 04:09:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-29 04:09:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-29 04:09:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-29 04:09:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-29 04:09:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-29 04:09:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-29 04:09:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-29 04:09:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-29 04:09:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-29 04:09:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:27,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:27,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:27,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:27,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:27,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:27,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:27,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:27,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:27,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:27,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:27,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1633 backedges. 34 proven. 1055 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-29 04:09:27,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695882090] [2020-10-29 04:09:27,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:09:27,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-29 04:09:27,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546586791] [2020-10-29 04:09:27,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-29 04:09:27,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:09:27,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-29 04:09:27,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 04:09:27,741 INFO L87 Difference]: Start difference. First operand 208 states and 209 transitions. Second operand 43 states. [2020-10-29 04:09:34,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:09:34,960 INFO L93 Difference]: Finished difference Result 223 states and 224 transitions. [2020-10-29 04:09:34,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-29 04:09:34,961 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 205 [2020-10-29 04:09:34,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:09:34,963 INFO L225 Difference]: With dead ends: 223 [2020-10-29 04:09:34,963 INFO L226 Difference]: Without dead ends: 220 [2020-10-29 04:09:34,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=264, Invalid=6378, Unknown=0, NotChecked=0, Total=6642 [2020-10-29 04:09:34,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-10-29 04:09:34,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 216. [2020-10-29 04:09:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-29 04:09:34,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 217 transitions. [2020-10-29 04:09:34,989 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 217 transitions. Word has length 205 [2020-10-29 04:09:34,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:09:34,989 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 217 transitions. [2020-10-29 04:09:34,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-29 04:09:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 217 transitions. [2020-10-29 04:09:34,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-29 04:09:34,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:09:34,991 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:09:34,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-29 04:09:34,991 INFO L429 AbstractCegarLoop]: === Iteration 38 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:09:34,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:09:34,992 INFO L82 PathProgramCache]: Analyzing trace with hash -283685393, now seen corresponding path program 34 times [2020-10-29 04:09:34,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:09:34,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734882742] [2020-10-29 04:09:34,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:09:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:35,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:36,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:36,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-29 04:09:36,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:36,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1776 [2020-10-29 04:09:36,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:36,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-29 04:09:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:09:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 238 [2020-10-29 04:09:36,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:37,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:09:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:37,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:37,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:37,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:09:37,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:09:37,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:37,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:09:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:37,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:09:37,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:37,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 04:09:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:37,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:37,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:37,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:37,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:37,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:37,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:37,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:37,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:37,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:37,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 04:09:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:37,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:37,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:37,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:37,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:37,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:37,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:37,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:37,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:37,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 04:09:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:37,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:37,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:37,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:37,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:37,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:37,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:37,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:37,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:37,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:37,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 04:09:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:37,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:37,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:37,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:37,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:37,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:37,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:37,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 04:09:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:37,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:37,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:37,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:37,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:37,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:37,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:37,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:37,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:37,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:37,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:37,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:37,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 04:09:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:37,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:37,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:37,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:37,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:37,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:37,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:37,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:37,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:37,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:37,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:37,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:37,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-29 04:09:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:37,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:37,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:37,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:37,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:37,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:37,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:37,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:37,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:37,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:37,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:37,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:37,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 04:09:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:37,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:37,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:37,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:37,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:37,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:37,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:37,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:37,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-29 04:09:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:38,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:38,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:38,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:38,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:38,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:38,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:38,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-29 04:09:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:38,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:38,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:38,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:38,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:38,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:38,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:38,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-29 04:09:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:38,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:38,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:38,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:38,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:38,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:38,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:38,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:38,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:38,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-29 04:09:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:38,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:38,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:38,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:38,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:38,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:38,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:38,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-29 04:09:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:38,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:38,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:38,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:38,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:38,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:38,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:38,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:38,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:38,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:38,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:38,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:38,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-29 04:09:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:38,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:38,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:38,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:38,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:38,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:38,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:38,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:38,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:38,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-29 04:09:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:38,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:38,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:38,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:38,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:38,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:38,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:38,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:38,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:38,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:38,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:38,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:38,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-29 04:09:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:38,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:38,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:38,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:38,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:38,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:38,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:38,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:38,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:38,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:38,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:38,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:38,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-29 04:09:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:38,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:38,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:38,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:38,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:38,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:38,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:38,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:38,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-29 04:09:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:38,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:38,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:38,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:38,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:38,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:38,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 684 proven. 477 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-29 04:09:38,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734882742] [2020-10-29 04:09:38,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:09:38,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-29 04:09:38,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992053716] [2020-10-29 04:09:38,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-29 04:09:38,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:09:38,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-29 04:09:38,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=1299, Unknown=0, NotChecked=0, Total=1722 [2020-10-29 04:09:38,081 INFO L87 Difference]: Start difference. First operand 216 states and 217 transitions. Second operand 42 states. [2020-10-29 04:09:40,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:09:40,302 INFO L93 Difference]: Finished difference Result 384 states and 387 transitions. [2020-10-29 04:09:40,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-29 04:09:40,304 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 213 [2020-10-29 04:09:40,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:09:40,306 INFO L225 Difference]: With dead ends: 384 [2020-10-29 04:09:40,306 INFO L226 Difference]: Without dead ends: 227 [2020-10-29 04:09:40,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=864, Invalid=2918, Unknown=0, NotChecked=0, Total=3782 [2020-10-29 04:09:40,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-29 04:09:40,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 219. [2020-10-29 04:09:40,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-29 04:09:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 220 transitions. [2020-10-29 04:09:40,332 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 220 transitions. Word has length 213 [2020-10-29 04:09:40,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:09:40,332 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 220 transitions. [2020-10-29 04:09:40,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-29 04:09:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 220 transitions. [2020-10-29 04:09:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-29 04:09:40,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:09:40,334 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:09:40,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-29 04:09:40,334 INFO L429 AbstractCegarLoop]: === Iteration 39 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:09:40,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:09:40,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1319746289, now seen corresponding path program 35 times [2020-10-29 04:09:40,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:09:40,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191453495] [2020-10-29 04:09:40,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:09:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:40,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:42,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:42,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-29 04:09:42,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2144 [2020-10-29 04:09:42,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:42,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 04:09:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:09:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 246 [2020-10-29 04:09:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:09:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:09:44,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:44,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:09:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:09:44,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 04:09:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:09:44,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 04:09:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:44,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 04:09:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:09:44,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:09:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 04:09:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:09:44,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 04:09:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:44,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 04:09:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:44,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 04:09:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 04:09:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 04:09:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 04:09:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-29 04:09:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 04:09:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-29 04:09:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-29 04:09:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-29 04:09:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-29 04:09:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-29 04:09:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-29 04:09:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:44,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:44,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:44,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:44,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:44,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:44,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 36 proven. 1180 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-29 04:09:44,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191453495] [2020-10-29 04:09:44,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:09:44,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-29 04:09:44,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469875353] [2020-10-29 04:09:44,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-29 04:09:44,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:09:44,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-29 04:09:44,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-29 04:09:44,767 INFO L87 Difference]: Start difference. First operand 219 states and 220 transitions. Second operand 45 states. [2020-10-29 04:09:52,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:09:52,796 INFO L93 Difference]: Finished difference Result 234 states and 235 transitions. [2020-10-29 04:09:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-29 04:09:52,802 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 216 [2020-10-29 04:09:52,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:09:52,804 INFO L225 Difference]: With dead ends: 234 [2020-10-29 04:09:52,804 INFO L226 Difference]: Without dead ends: 231 [2020-10-29 04:09:52,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=282, Invalid=7200, Unknown=0, NotChecked=0, Total=7482 [2020-10-29 04:09:52,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-29 04:09:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 227. [2020-10-29 04:09:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-29 04:09:52,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 228 transitions. [2020-10-29 04:09:52,829 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 228 transitions. Word has length 216 [2020-10-29 04:09:52,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:09:52,830 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 228 transitions. [2020-10-29 04:09:52,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-29 04:09:52,830 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 228 transitions. [2020-10-29 04:09:52,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-29 04:09:52,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:09:52,832 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:09:52,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-29 04:09:52,832 INFO L429 AbstractCegarLoop]: === Iteration 40 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:09:52,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:09:52,832 INFO L82 PathProgramCache]: Analyzing trace with hash 2146159544, now seen corresponding path program 36 times [2020-10-29 04:09:52,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:09:52,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [470873702] [2020-10-29 04:09:52,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:09:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:52,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:54,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:54,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 04:09:54,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:54,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2096 [2020-10-29 04:09:54,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:54,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-29 04:09:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:09:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-29 04:09:54,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:09:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:09:56,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:56,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:09:56,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:09:56,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 04:09:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 04:09:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 04:09:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 04:09:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 04:09:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 04:09:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:09:56,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 04:09:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 04:09:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 04:09:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 04:09:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-29 04:09:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 04:09:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-29 04:09:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-29 04:09:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-29 04:09:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-29 04:09:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-29 04:09:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-29 04:09:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-29 04:09:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:56,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:09:56,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:09:56,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:09:56,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:09:56,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:09:56,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:09:56,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:09:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:09:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:09:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:09:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:09:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1976 backedges. 760 proven. 532 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-29 04:09:56,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [470873702] [2020-10-29 04:09:56,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:09:56,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-29 04:09:56,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109319175] [2020-10-29 04:09:56,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-29 04:09:56,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:09:56,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-29 04:09:56,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=1427, Unknown=0, NotChecked=0, Total=1892 [2020-10-29 04:09:56,464 INFO L87 Difference]: Start difference. First operand 227 states and 228 transitions. Second operand 44 states. [2020-10-29 04:09:58,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:09:58,903 INFO L93 Difference]: Finished difference Result 403 states and 406 transitions. [2020-10-29 04:09:58,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-29 04:09:58,904 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 224 [2020-10-29 04:09:58,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:09:58,907 INFO L225 Difference]: With dead ends: 403 [2020-10-29 04:09:58,907 INFO L226 Difference]: Without dead ends: 238 [2020-10-29 04:09:58,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=949, Invalid=3211, Unknown=0, NotChecked=0, Total=4160 [2020-10-29 04:09:58,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-29 04:09:58,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 230. [2020-10-29 04:09:58,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-10-29 04:09:58,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 231 transitions. [2020-10-29 04:09:58,933 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 231 transitions. Word has length 224 [2020-10-29 04:09:58,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:09:58,934 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 231 transitions. [2020-10-29 04:09:58,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-29 04:09:58,934 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 231 transitions. [2020-10-29 04:09:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-29 04:09:58,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:09:58,936 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:09:58,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-29 04:09:58,936 INFO L429 AbstractCegarLoop]: === Iteration 41 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:09:58,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:09:58,936 INFO L82 PathProgramCache]: Analyzing trace with hash -407822184, now seen corresponding path program 37 times [2020-10-29 04:09:58,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:09:58,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675495011] [2020-10-29 04:09:58,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:09:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:09:59,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:01,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:01,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-29 04:10:01,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:01,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2286 [2020-10-29 04:10:01,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:01,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:01,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 04:10:01,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:10:01,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-29 04:10:01,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:10:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:10:03,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:03,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:10:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:10:03,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 04:10:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:10:03,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 04:10:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:03,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 04:10:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:03,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 04:10:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:03,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 04:10:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 04:10:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 04:10:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 04:10:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 04:10:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-29 04:10:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-29 04:10:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-29 04:10:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-29 04:10:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-29 04:10:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-29 04:10:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-29 04:10:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-29 04:10:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-29 04:10:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:03,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-29 04:10:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:03,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:03,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:03,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:03,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:03,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:03,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:03,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:03,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:03,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:03,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:03,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 38 proven. 1312 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-29 04:10:03,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675495011] [2020-10-29 04:10:03,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:10:03,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-29 04:10:03,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535570907] [2020-10-29 04:10:03,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-29 04:10:03,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:10:03,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-29 04:10:03,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2069, Unknown=0, NotChecked=0, Total=2162 [2020-10-29 04:10:03,588 INFO L87 Difference]: Start difference. First operand 230 states and 231 transitions. Second operand 47 states. [2020-10-29 04:10:12,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:10:12,382 INFO L93 Difference]: Finished difference Result 245 states and 246 transitions. [2020-10-29 04:10:12,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-29 04:10:12,383 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 227 [2020-10-29 04:10:12,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:10:12,385 INFO L225 Difference]: With dead ends: 245 [2020-10-29 04:10:12,385 INFO L226 Difference]: Without dead ends: 242 [2020-10-29 04:10:12,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=292, Invalid=7718, Unknown=0, NotChecked=0, Total=8010 [2020-10-29 04:10:12,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-29 04:10:12,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 238. [2020-10-29 04:10:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-10-29 04:10:12,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 239 transitions. [2020-10-29 04:10:12,423 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 239 transitions. Word has length 227 [2020-10-29 04:10:12,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:10:12,423 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 239 transitions. [2020-10-29 04:10:12,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-29 04:10:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 239 transitions. [2020-10-29 04:10:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-29 04:10:12,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:10:12,425 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:10:12,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-29 04:10:12,425 INFO L429 AbstractCegarLoop]: === Iteration 42 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:10:12,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:10:12,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1613033919, now seen corresponding path program 38 times [2020-10-29 04:10:12,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:10:12,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37644042] [2020-10-29 04:10:12,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:10:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:12,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:14,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:14,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-29 04:10:14,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:14,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2288 [2020-10-29 04:10:14,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:14,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-29 04:10:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:10:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 264 [2020-10-29 04:10:14,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:10:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:10:16,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:16,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:10:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:10:16,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 04:10:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 04:10:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 04:10:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 04:10:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 04:10:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 04:10:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 04:10:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 04:10:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 04:10:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-29 04:10:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-29 04:10:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-29 04:10:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-29 04:10:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-29 04:10:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-29 04:10:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-29 04:10:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-29 04:10:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-29 04:10:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-29 04:10:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:16,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-29 04:10:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:16,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:16,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:16,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:16,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:16,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:16,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:16,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:16,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:16,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2190 backedges. 840 proven. 590 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-29 04:10:16,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37644042] [2020-10-29 04:10:16,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:10:16,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-29 04:10:16,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287594313] [2020-10-29 04:10:16,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-29 04:10:16,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:10:16,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-29 04:10:16,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=1561, Unknown=0, NotChecked=0, Total=2070 [2020-10-29 04:10:16,313 INFO L87 Difference]: Start difference. First operand 238 states and 239 transitions. Second operand 46 states. [2020-10-29 04:10:18,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:10:18,648 INFO L93 Difference]: Finished difference Result 422 states and 425 transitions. [2020-10-29 04:10:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-29 04:10:18,650 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 235 [2020-10-29 04:10:18,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:10:18,652 INFO L225 Difference]: With dead ends: 422 [2020-10-29 04:10:18,652 INFO L226 Difference]: Without dead ends: 249 [2020-10-29 04:10:18,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1038, Invalid=3518, Unknown=0, NotChecked=0, Total=4556 [2020-10-29 04:10:18,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-29 04:10:18,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 241. [2020-10-29 04:10:18,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-29 04:10:18,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 242 transitions. [2020-10-29 04:10:18,679 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 242 transitions. Word has length 235 [2020-10-29 04:10:18,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:10:18,680 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 242 transitions. [2020-10-29 04:10:18,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-29 04:10:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 242 transitions. [2020-10-29 04:10:18,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-10-29 04:10:18,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:10:18,681 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:10:18,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-29 04:10:18,682 INFO L429 AbstractCegarLoop]: === Iteration 43 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:10:18,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:10:18,682 INFO L82 PathProgramCache]: Analyzing trace with hash 548007265, now seen corresponding path program 39 times [2020-10-29 04:10:18,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:10:18,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927004308] [2020-10-29 04:10:18,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:10:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:18,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:21,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:21,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-29 04:10:21,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2657 [2020-10-29 04:10:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:21,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-29 04:10:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:10:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 272 [2020-10-29 04:10:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:10:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:10:23,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:23,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:10:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:10:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 04:10:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 04:10:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 04:10:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 04:10:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 04:10:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 04:10:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 04:10:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 04:10:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 04:10:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 04:10:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:23,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-29 04:10:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:23,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-29 04:10:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:23,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 04:10:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:23,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-29 04:10:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:23,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-29 04:10:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:23,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-29 04:10:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:23,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-29 04:10:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:23,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-29 04:10:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:23,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-29 04:10:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-29 04:10:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:23,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:23,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:23,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:23,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:23,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:23,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:23,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:23,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2251 backedges. 40 proven. 1451 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-29 04:10:23,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927004308] [2020-10-29 04:10:23,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:10:23,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-29 04:10:23,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377601140] [2020-10-29 04:10:23,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-29 04:10:23,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:10:23,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-29 04:10:23,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-29 04:10:23,982 INFO L87 Difference]: Start difference. First operand 241 states and 242 transitions. Second operand 49 states. [2020-10-29 04:10:34,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:10:34,035 INFO L93 Difference]: Finished difference Result 256 states and 257 transitions. [2020-10-29 04:10:34,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-10-29 04:10:34,036 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 238 [2020-10-29 04:10:34,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:10:34,038 INFO L225 Difference]: With dead ends: 256 [2020-10-29 04:10:34,038 INFO L226 Difference]: Without dead ends: 253 [2020-10-29 04:10:34,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=308, Invalid=8622, Unknown=0, NotChecked=0, Total=8930 [2020-10-29 04:10:34,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-29 04:10:34,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 249. [2020-10-29 04:10:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-29 04:10:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 250 transitions. [2020-10-29 04:10:34,066 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 250 transitions. Word has length 238 [2020-10-29 04:10:34,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:10:34,067 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 250 transitions. [2020-10-29 04:10:34,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-29 04:10:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 250 transitions. [2020-10-29 04:10:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-29 04:10:34,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:10:34,069 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:10:34,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-29 04:10:34,069 INFO L429 AbstractCegarLoop]: === Iteration 44 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:10:34,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:10:34,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1392706058, now seen corresponding path program 40 times [2020-10-29 04:10:34,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:10:34,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75132055] [2020-10-29 04:10:34,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:10:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:34,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:36,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:36,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-29 04:10:36,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:36,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2524 [2020-10-29 04:10:36,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:36,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:36,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-29 04:10:36,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:10:36,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 277 [2020-10-29 04:10:36,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:10:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:10:38,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:10:38,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:10:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:10:38,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 04:10:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 04:10:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 04:10:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 04:10:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:38,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 04:10:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:38,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 04:10:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:38,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 04:10:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:38,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 04:10:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 04:10:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 04:10:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-29 04:10:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-29 04:10:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 04:10:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-29 04:10:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-29 04:10:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:38,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-29 04:10:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-29 04:10:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-29 04:10:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-29 04:10:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-29 04:10:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-29 04:10:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:38,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:38,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:38,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:38,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:38,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:38,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:38,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:38,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:38,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 924 proven. 651 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-29 04:10:38,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75132055] [2020-10-29 04:10:38,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:10:38,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-29 04:10:38,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915449113] [2020-10-29 04:10:38,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-29 04:10:38,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:10:38,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-29 04:10:38,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=1701, Unknown=0, NotChecked=0, Total=2256 [2020-10-29 04:10:38,321 INFO L87 Difference]: Start difference. First operand 249 states and 250 transitions. Second operand 48 states. [2020-10-29 04:10:41,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:10:41,211 INFO L93 Difference]: Finished difference Result 441 states and 444 transitions. [2020-10-29 04:10:41,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-29 04:10:41,212 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 246 [2020-10-29 04:10:41,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:10:41,214 INFO L225 Difference]: With dead ends: 441 [2020-10-29 04:10:41,215 INFO L226 Difference]: Without dead ends: 260 [2020-10-29 04:10:41,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1131, Invalid=3839, Unknown=0, NotChecked=0, Total=4970 [2020-10-29 04:10:41,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-29 04:10:41,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 252. [2020-10-29 04:10:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-10-29 04:10:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 253 transitions. [2020-10-29 04:10:41,245 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 253 transitions. Word has length 246 [2020-10-29 04:10:41,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:10:41,245 INFO L481 AbstractCegarLoop]: Abstraction has 252 states and 253 transitions. [2020-10-29 04:10:41,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-29 04:10:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 253 transitions. [2020-10-29 04:10:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-29 04:10:41,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:10:41,247 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:10:41,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-29 04:10:41,248 INFO L429 AbstractCegarLoop]: === Iteration 45 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:10:41,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:10:41,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1699254550, now seen corresponding path program 41 times [2020-10-29 04:10:41,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:10:41,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23696282] [2020-10-29 04:10:41,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:10:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:41,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:44,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:44,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-29 04:10:44,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:44,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3632 [2020-10-29 04:10:44,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:44,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-29 04:10:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 04:10:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 285 [2020-10-29 04:10:44,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:10:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:10:47,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:47,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:10:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:10:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 04:10:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 04:10:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 04:10:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 04:10:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:47,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 04:10:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 04:10:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 04:10:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 04:10:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:47,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-29 04:10:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:47,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-29 04:10:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:47,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-29 04:10:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:47,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-29 04:10:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:47,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-29 04:10:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-29 04:10:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:47,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-29 04:10:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-29 04:10:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-29 04:10:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:10:47,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-29 04:10:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-29 04:10:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-29 04:10:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-29 04:10:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:10:47,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:10:47,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:10:47,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:10:47,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:10:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 04:10:47,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:10:47,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:10:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:10:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:10:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:10:47,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:10:47,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2479 backedges. 42 proven. 1597 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-29 04:10:47,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23696282] [2020-10-29 04:10:47,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:10:47,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-29 04:10:47,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61454417] [2020-10-29 04:10:47,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-29 04:10:47,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:10:47,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-29 04:10:47,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-29 04:10:47,937 INFO L87 Difference]: Start difference. First operand 252 states and 253 transitions. Second operand 51 states.