/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:47:40,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:47:40,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:47:40,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:47:40,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:47:40,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:47:40,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:47:40,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:47:40,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:47:40,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:47:40,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:47:40,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:47:40,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:47:40,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:47:40,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:47:40,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:47:40,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:47:40,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:47:40,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:47:40,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:47:40,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:47:40,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:47:40,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:47:40,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:47:40,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:47:40,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:47:40,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:47:40,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:47:40,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:47:40,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:47:40,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:47:40,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:47:40,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:47:40,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:47:40,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:47:40,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:47:40,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:47:40,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:47:40,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:47:40,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:47:40,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:47:40,157 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 [2020-10-15 01:47:40,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:47:40,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:47:40,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:47:40,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:47:40,195 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:47:40,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:47:40,196 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:47:40,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:47:40,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:47:40,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:47:40,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:47:40,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:47:40,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:47:40,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:47:40,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:47:40,198 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:47:40,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:47:40,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:47:40,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:47:40,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:47:40,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:47:40,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:47:40,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:47:40,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:47:40,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:47:40,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:47:40,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:47:40,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:47:40,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:47:40,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:47:40,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:47:40,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:47:40,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:47:40,525 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:47:40,525 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:47:40,526 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product34.cil.c [2020-10-15 01:47:40,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d9b2daeb/7b379dc84ea3484783ec0c982c131009/FLAG5963bc6a6 [2020-10-15 01:47:41,079 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:47:41,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product34.cil.c [2020-10-15 01:47:41,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d9b2daeb/7b379dc84ea3484783ec0c982c131009/FLAG5963bc6a6 [2020-10-15 01:47:41,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d9b2daeb/7b379dc84ea3484783ec0c982c131009 [2020-10-15 01:47:41,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:47:41,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:47:41,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:47:41,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:47:41,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:47:41,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:47:41" (1/1) ... [2020-10-15 01:47:41,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e54808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:41, skipping insertion in model container [2020-10-15 01:47:41,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:47:41" (1/1) ... [2020-10-15 01:47:41,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:47:41,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:47:41,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:47:41,810 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:47:42,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:47:42,065 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:47:42,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:42 WrapperNode [2020-10-15 01:47:42,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:47:42,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:47:42,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:47:42,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:47:42,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:42" (1/1) ... [2020-10-15 01:47:42,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:42" (1/1) ... [2020-10-15 01:47:42,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:42" (1/1) ... [2020-10-15 01:47:42,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:42" (1/1) ... [2020-10-15 01:47:42,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:42" (1/1) ... [2020-10-15 01:47:42,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:42" (1/1) ... [2020-10-15 01:47:42,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:42" (1/1) ... [2020-10-15 01:47:42,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:47:42,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:47:42,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:47:42,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:47:42,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:42" (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 [2020-10-15 01:47:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:47:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:47:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:47:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-15 01:47:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:47:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:47:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:47:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:47:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:47:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:47:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:47:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:47:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:47:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:47:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:47:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:47:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:47:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:47:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:47:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:47:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:47:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:47:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:47:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-15 01:47:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:47:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:47:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:47:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:47:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:47:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:47:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:47:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:47:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:47:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:47:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:47:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:47:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:47:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:47:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:47:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:47:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:47:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:47:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:47:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:47:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-15 01:47:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:47:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:47:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:47:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:47:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:47:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:47:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:47:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:47:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:47:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:47:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:47:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:47:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:47:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:47:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-15 01:47:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:47:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:47:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:47:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:47:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:47:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:47:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:47:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:47:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:47:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:47:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:47:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:47:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:47:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:47:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:47:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:47:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:47:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:47:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:47:43,263 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:47:43,263 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:47:43,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:47:43 BoogieIcfgContainer [2020-10-15 01:47:43,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:47:43,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:47:43,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:47:43,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:47:43,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:47:41" (1/3) ... [2020-10-15 01:47:43,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adb38be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:47:43, skipping insertion in model container [2020-10-15 01:47:43,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:42" (2/3) ... [2020-10-15 01:47:43,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adb38be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:47:43, skipping insertion in model container [2020-10-15 01:47:43,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:47:43" (3/3) ... [2020-10-15 01:47:43,276 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product34.cil.c [2020-10-15 01:47:43,286 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:47:43,294 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:47:43,307 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:47:43,331 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:47:43,331 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:47:43,331 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:47:43,331 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:47:43,331 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:47:43,332 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:47:43,332 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:47:43,332 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:47:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2020-10-15 01:47:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-15 01:47:43,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:47:43,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:47:43,361 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:47:43,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:47:43,365 INFO L82 PathProgramCache]: Analyzing trace with hash -368094870, now seen corresponding path program 1 times [2020-10-15 01:47:43,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:47:43,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529851959] [2020-10-15 01:47:43,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:47:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:43,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:43,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:44,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:45,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:46,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:47,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:47,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 01:47:47,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:47:47,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4039 [2020-10-15 01:47:47,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:47,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:47,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:47:47,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:47:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 01:47:47,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 01:47:48,198 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:47:48,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:47:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:48,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:48,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:48,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:48,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:48,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-15 01:47:48,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:48,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:48,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:47:48,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:48,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:47:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:48,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:48,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:48,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:48,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:48,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:48,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:48,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:48,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:48,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:48,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:47:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:48,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:48,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:48,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:48,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:48,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:47:48,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:48,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:48,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:48,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:48,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:48,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:48,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:47:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:48,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:48,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:48,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:48,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:48,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:48,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:48,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:48,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:48,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:47:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:48,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:48,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:48,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:48,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:48,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:47:48,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:48,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:48,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:48,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:48,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:48,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:48,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:47:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:48,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:48,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:48,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:48,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:48,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:47:48,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:48,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:47:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:48,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:48,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:47:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:48,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:48,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:48,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:48,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:48,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:48,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:48,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:48,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:47:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:47:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:47:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:47:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:47:48,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529851959] [2020-10-15 01:47:48,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:47:48,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:47:48,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536674560] [2020-10-15 01:47:48,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:47:48,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:47:48,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:47:48,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:47:48,493 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 7 states. [2020-10-15 01:47:49,288 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:47:50,161 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:47:50,554 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:47:50,806 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:47:51,117 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:47:52,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:47:52,305 INFO L93 Difference]: Finished difference Result 354 states and 488 transitions. [2020-10-15 01:47:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:47:52,307 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-15 01:47:52,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:47:52,331 INFO L225 Difference]: With dead ends: 354 [2020-10-15 01:47:52,331 INFO L226 Difference]: Without dead ends: 223 [2020-10-15 01:47:52,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:47:52,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-15 01:47:52,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 192. [2020-10-15 01:47:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-15 01:47:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 235 transitions. [2020-10-15 01:47:52,485 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 235 transitions. Word has length 46 [2020-10-15 01:47:52,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:47:52,485 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 235 transitions. [2020-10-15 01:47:52,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:47:52,486 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 235 transitions. [2020-10-15 01:47:52,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 01:47:52,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:47:52,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:47:52,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:47:52,490 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:47:52,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:47:52,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1722460280, now seen corresponding path program 1 times [2020-10-15 01:47:52,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:47:52,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326643257] [2020-10-15 01:47:52,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:47:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:52,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:52,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:52,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:53,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:55,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:55,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 01:47:55,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:47:55,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2537 [2020-10-15 01:47:55,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:55,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:55,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:47:55,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:47:55,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-15 01:47:55,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:55,458 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:47:55,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:47:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:55,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:55,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:55,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:55,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:55,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-15 01:47:55,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:55,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:55,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:55,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:55,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:47:55,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:55,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:47:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:55,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:55,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:55,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:55,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:55,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:55,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:55,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:55,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:55,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:55,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:47:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:55,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:55,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:55,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:55,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:55,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:55,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:55,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:55,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:55,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:55,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:55,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:55,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:47:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:55,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:55,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:55,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:55,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:55,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:55,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:55,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:55,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:47:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:55,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:55,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:55,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:55,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:55,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:47:55,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:55,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:55,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:55,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:47:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:55,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:55,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:55,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:55,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:55,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:55,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:55,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:55,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:55,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:55,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:55,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:47:55,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:47:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:55,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:55,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:55,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:55,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:55,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:55,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:55,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:55,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 01:47:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:55,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:55,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:55,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:55,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:55,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:47:55,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:55,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:47:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:55,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:47:55,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326643257] [2020-10-15 01:47:55,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:47:55,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 01:47:55,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16656473] [2020-10-15 01:47:55,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:47:55,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:47:55,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:47:55,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:47:55,706 INFO L87 Difference]: Start difference. First operand 192 states and 235 transitions. Second operand 8 states. [2020-10-15 01:47:56,183 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:47:57,201 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:47:57,477 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:47:57,737 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:47:58,164 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:47:58,459 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:47:59,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:47:59,223 INFO L93 Difference]: Finished difference Result 515 states and 706 transitions. [2020-10-15 01:47:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 01:47:59,224 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-15 01:47:59,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:47:59,230 INFO L225 Difference]: With dead ends: 515 [2020-10-15 01:47:59,230 INFO L226 Difference]: Without dead ends: 347 [2020-10-15 01:47:59,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:47:59,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-10-15 01:47:59,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 301. [2020-10-15 01:47:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-10-15 01:47:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 385 transitions. [2020-10-15 01:47:59,340 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 385 transitions. Word has length 51 [2020-10-15 01:47:59,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:47:59,340 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 385 transitions. [2020-10-15 01:47:59,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:47:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 385 transitions. [2020-10-15 01:47:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-15 01:47:59,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:47:59,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:47:59,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:47:59,353 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:47:59,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:47:59,354 INFO L82 PathProgramCache]: Analyzing trace with hash 31464464, now seen corresponding path program 1 times [2020-10-15 01:47:59,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:47:59,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688804175] [2020-10-15 01:47:59,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:47:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:59,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:59,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:59,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 01:48:04,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:48:04,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4662 [2020-10-15 01:48:04,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 01:48:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-15 01:48:04,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:04,308 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:04,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:04,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 01:48:04,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:04,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:04,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:04,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:04,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:04,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:04,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:04,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:04,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:04,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:04,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:04,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:04,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:04,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:04,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:04,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:04,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:04,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:48:04,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:04,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:04,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:04,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:04,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:48:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:04,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:48:04,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 01:48:04,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 01:48:04,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:04,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:04,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:04,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:04,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:04,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:04,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:04,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:04,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:04,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:04,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:04,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:04,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:04,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:04,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:04,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:04,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:04,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-15 01:48:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:04,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:04,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:04,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:04,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 01:48:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:04,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:04,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:04,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:04,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:04,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:04,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:04,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:04,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:48:04,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688804175] [2020-10-15 01:48:04,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:48:04,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 01:48:04,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788414257] [2020-10-15 01:48:04,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:48:04,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:04,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:48:04,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:48:04,564 INFO L87 Difference]: Start difference. First operand 301 states and 385 transitions. Second operand 11 states. [2020-10-15 01:48:05,074 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:05,726 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:05,960 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:06,492 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:06,755 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:07,031 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:07,831 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:08,572 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-10-15 01:48:09,101 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-10-15 01:48:11,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:11,200 INFO L93 Difference]: Finished difference Result 826 states and 1317 transitions. [2020-10-15 01:48:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 01:48:11,207 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-10-15 01:48:11,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:11,222 INFO L225 Difference]: With dead ends: 826 [2020-10-15 01:48:11,223 INFO L226 Difference]: Without dead ends: 664 [2020-10-15 01:48:11,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-10-15 01:48:11,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-10-15 01:48:11,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 536. [2020-10-15 01:48:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-10-15 01:48:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 743 transitions. [2020-10-15 01:48:11,408 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 743 transitions. Word has length 79 [2020-10-15 01:48:11,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:11,410 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 743 transitions. [2020-10-15 01:48:11,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:48:11,410 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 743 transitions. [2020-10-15 01:48:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-15 01:48:11,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:11,416 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:11,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:48:11,416 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:11,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:11,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1279814921, now seen corresponding path program 1 times [2020-10-15 01:48:11,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:11,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079304429] [2020-10-15 01:48:11,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:11,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:11,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-15 01:48:15,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:48:15,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3674 [2020-10-15 01:48:15,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:48:15,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:15,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-15 01:48:15,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,361 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:15,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:15,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 01:48:15,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:15,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:15,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:15,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:15,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:15,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:15,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:15,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:15,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:15,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:15,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:15,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:15,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:15,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:15,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:15,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:15,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:15,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:48:15,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:15,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 01:48:15,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 01:48:15,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:15,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:15,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 01:48:15,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:48:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:48:15,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:15,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:48:15,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:48:15,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:15,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:15,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:15,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:15,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:15,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:15,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:15,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:15,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 01:48:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:15,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:15,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:15,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:15,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:15,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:15,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:15,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 01:48:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:15,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:15,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:15,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-15 01:48:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:15,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:15,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:15,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:15,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:15,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 01:48:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:15,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:15,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:15,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:15,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:15,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:15,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:15,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:15,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:15,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:15,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:15,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 01:48:15,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079304429] [2020-10-15 01:48:15,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:15,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 01:48:15,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369520510] [2020-10-15 01:48:15,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:48:15,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:15,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:48:15,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:48:15,698 INFO L87 Difference]: Start difference. First operand 536 states and 743 transitions. Second operand 11 states. [2020-10-15 01:48:16,179 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:16,893 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:17,120 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:48:17,372 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:17,615 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:18,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:18,719 INFO L93 Difference]: Finished difference Result 1170 states and 1817 transitions. [2020-10-15 01:48:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 01:48:18,720 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 93 [2020-10-15 01:48:18,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:18,728 INFO L225 Difference]: With dead ends: 1170 [2020-10-15 01:48:18,728 INFO L226 Difference]: Without dead ends: 658 [2020-10-15 01:48:18,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-15 01:48:18,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-10-15 01:48:18,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 556. [2020-10-15 01:48:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-15 01:48:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 758 transitions. [2020-10-15 01:48:18,848 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 758 transitions. Word has length 93 [2020-10-15 01:48:18,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:18,849 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 758 transitions. [2020-10-15 01:48:18,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:48:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 758 transitions. [2020-10-15 01:48:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-15 01:48:18,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:18,853 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:18,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:48:18,854 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:18,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:18,854 INFO L82 PathProgramCache]: Analyzing trace with hash -973070848, now seen corresponding path program 1 times [2020-10-15 01:48:18,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:18,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599640591] [2020-10-15 01:48:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:18,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:18,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-15 01:48:19,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:19,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-10-15 01:48:19,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-15 01:48:19,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:19,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,606 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:19,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:19,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 01:48:19,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:19,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:19,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:19,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:19,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:19,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:19,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:19,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:19,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:19,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:19,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:19,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:48:19,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 01:48:19,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:19,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 01:48:19,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:19,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:19,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:48:19,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:48:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:19,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:19,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:48:19,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:19,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:48:19,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:19,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:19,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:19,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:19,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:48:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:19,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:19,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:19,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:19,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 01:48:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:19,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:19,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:48:19,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:19,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:19,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:19,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 01:48:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:19,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:19,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:19,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:19,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-15 01:48:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:48:19,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:19,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:48:19,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:19,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:19,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:19,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 01:48:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:19,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:19,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 01:48:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:19,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:19,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:19,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:19,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:19,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:19,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:19,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:19,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:19,833 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 01:48:19,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599640591] [2020-10-15 01:48:19,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:19,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-15 01:48:19,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348632698] [2020-10-15 01:48:19,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:48:19,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:19,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:48:19,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:48:19,835 INFO L87 Difference]: Start difference. First operand 556 states and 758 transitions. Second operand 9 states. [2020-10-15 01:48:20,585 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:20,809 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:21,017 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:21,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:21,818 INFO L93 Difference]: Finished difference Result 1057 states and 1518 transitions. [2020-10-15 01:48:21,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:48:21,819 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2020-10-15 01:48:21,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:21,824 INFO L225 Difference]: With dead ends: 1057 [2020-10-15 01:48:21,824 INFO L226 Difference]: Without dead ends: 515 [2020-10-15 01:48:21,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:48:21,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-10-15 01:48:21,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 450. [2020-10-15 01:48:21,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-10-15 01:48:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 586 transitions. [2020-10-15 01:48:21,951 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 586 transitions. Word has length 101 [2020-10-15 01:48:21,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:21,953 INFO L479 AbstractCegarLoop]: Abstraction has 450 states and 586 transitions. [2020-10-15 01:48:21,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:48:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 586 transitions. [2020-10-15 01:48:21,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-15 01:48:21,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:21,955 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:21,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:48:21,955 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:21,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:21,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1165120925, now seen corresponding path program 1 times [2020-10-15 01:48:21,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:21,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379335179] [2020-10-15 01:48:21,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:22,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:22,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:22,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:22,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:24,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:24,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 01:48:24,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:48:24,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2618 [2020-10-15 01:48:24,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:24,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 01:48:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-15 01:48:24,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:24,870 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:24,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:24,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:24,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:24,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:24,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-15 01:48:24,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:24,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:24,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:24,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:24,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:24,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:24,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:24,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:24,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:24,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:24,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:24,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:24,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:24,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:24,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:24,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:24,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:24,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:24,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:24,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:24,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:24,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:24,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:24,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:24,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:24,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:24,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:24,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:24,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:24,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:24,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:24,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:24,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:24,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:24,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:24,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:24,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:24,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:24,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:24,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:24,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:24,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:24,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:24,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:24,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:24,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:24,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:24,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:24,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:24,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:24,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:24,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:25,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:48:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:48:25,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:25,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 01:48:25,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:25,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:25,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 01:48:25,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:25,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:25,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:48:25,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 01:48:25,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:25,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:25,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:25,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:25,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:25,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:25,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:25,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:25,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:25,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:25,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:25,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:25,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:25,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:25,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:25,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 01:48:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:25,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:25,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:25,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:25,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:48:25,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:25,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:25,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:25,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:25,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:25,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 01:48:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:25,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:25,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:25,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:25,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 01:48:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:48:25,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:25,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:25,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:48:25,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:25,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:25,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:25,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:25,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:25,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:25,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:25,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 01:48:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:25,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:25,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:25,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:25,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 01:48:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:25,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:25,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:25,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:25,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:25,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:25,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:25,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:25,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:25,205 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-15 01:48:25,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379335179] [2020-10-15 01:48:25,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:25,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-15 01:48:25,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400268364] [2020-10-15 01:48:25,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 01:48:25,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:25,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 01:48:25,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:48:25,210 INFO L87 Difference]: Start difference. First operand 450 states and 586 transitions. Second operand 15 states. [2020-10-15 01:48:25,728 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:26,306 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:27,096 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:27,352 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:27,584 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:27,804 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:28,033 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:28,274 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:28,792 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:29,122 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:29,361 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:29,590 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:30,120 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:33,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:33,017 INFO L93 Difference]: Finished difference Result 1376 states and 2175 transitions. [2020-10-15 01:48:33,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-15 01:48:33,018 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 110 [2020-10-15 01:48:33,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:33,027 INFO L225 Difference]: With dead ends: 1376 [2020-10-15 01:48:33,027 INFO L226 Difference]: Without dead ends: 981 [2020-10-15 01:48:33,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=478, Invalid=1592, Unknown=0, NotChecked=0, Total=2070 [2020-10-15 01:48:33,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2020-10-15 01:48:33,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 600. [2020-10-15 01:48:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2020-10-15 01:48:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 794 transitions. [2020-10-15 01:48:33,149 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 794 transitions. Word has length 110 [2020-10-15 01:48:33,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:33,150 INFO L479 AbstractCegarLoop]: Abstraction has 600 states and 794 transitions. [2020-10-15 01:48:33,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 01:48:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 794 transitions. [2020-10-15 01:48:33,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-15 01:48:33,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:33,155 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:33,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:48:33,155 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:33,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:33,156 INFO L82 PathProgramCache]: Analyzing trace with hash 21606016, now seen corresponding path program 1 times [2020-10-15 01:48:33,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:33,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646509130] [2020-10-15 01:48:33,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-15 01:48:34,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:48:34,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 877 [2020-10-15 01:48:34,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-15 01:48:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 01:48:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,264 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:34,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 01:48:34,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:34,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:34,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:34,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:34,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:34,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:48:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-15 01:48:34,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:34,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 01:48:34,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-15 01:48:34,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:48:34,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:34,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:48:34,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:48:34,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:34,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:34,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:48:34,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:48:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:34,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:34,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:48:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:34,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:34,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 01:48:34,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 01:48:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:34,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:34,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-15 01:48:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:48:34,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:48:34,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-15 01:48:34,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:34,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:48:34,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:34,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:34,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:34,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:34,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 01:48:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:34,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:34,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 01:48:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 01:48:34,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:34,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-15 01:48:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:48:34,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:34,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 01:48:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:34,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:34,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:34,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-15 01:48:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:34,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-15 01:48:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:48:34,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:34,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:48:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:34,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-15 01:48:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-15 01:48:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:34,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:34,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:34,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:34,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:34,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:34,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:34,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-15 01:48:34,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646509130] [2020-10-15 01:48:34,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:34,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 01:48:34,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233958379] [2020-10-15 01:48:34,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:48:34,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:34,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:48:34,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:48:34,638 INFO L87 Difference]: Start difference. First operand 600 states and 794 transitions. Second operand 10 states. [2020-10-15 01:48:35,132 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:35,676 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:35,916 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:36,141 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:36,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:36,983 INFO L93 Difference]: Finished difference Result 1069 states and 1419 transitions. [2020-10-15 01:48:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 01:48:36,983 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 182 [2020-10-15 01:48:36,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:36,987 INFO L225 Difference]: With dead ends: 1069 [2020-10-15 01:48:36,987 INFO L226 Difference]: Without dead ends: 547 [2020-10-15 01:48:36,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2020-10-15 01:48:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2020-10-15 01:48:37,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 493. [2020-10-15 01:48:37,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2020-10-15 01:48:37,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 592 transitions. [2020-10-15 01:48:37,075 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 592 transitions. Word has length 182 [2020-10-15 01:48:37,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:37,076 INFO L479 AbstractCegarLoop]: Abstraction has 493 states and 592 transitions. [2020-10-15 01:48:37,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:48:37,077 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 592 transitions. [2020-10-15 01:48:37,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-15 01:48:37,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:37,079 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:37,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:48:37,080 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:37,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:37,080 INFO L82 PathProgramCache]: Analyzing trace with hash 218697075, now seen corresponding path program 1 times [2020-10-15 01:48:37,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:37,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207553033] [2020-10-15 01:48:37,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 01:48:37,115 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 01:48:37,115 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 01:48:37,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 01:48:37,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:48:37 BoogieIcfgContainer [2020-10-15 01:48:37,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:48:37,166 INFO L168 Benchmark]: Toolchain (without parser) took 55754.70 ms. Allocated memory was 148.9 MB in the beginning and 836.2 MB in the end (delta: 687.3 MB). Free memory was 104.1 MB in the beginning and 89.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 702.5 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:37,167 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-15 01:48:37,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.19 ms. Allocated memory was 148.9 MB in the beginning and 206.0 MB in the end (delta: 57.1 MB). Free memory was 104.1 MB in the beginning and 176.4 MB in the end (delta: -72.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:37,177 INFO L168 Benchmark]: Boogie Preprocessor took 85.14 ms. Allocated memory is still 206.0 MB. Free memory was 176.4 MB in the beginning and 171.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:37,178 INFO L168 Benchmark]: RCFGBuilder took 1116.10 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 171.6 MB in the beginning and 193.9 MB in the end (delta: -22.3 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:37,179 INFO L168 Benchmark]: TraceAbstraction took 53895.18 ms. Allocated memory was 232.8 MB in the beginning and 836.2 MB in the end (delta: 603.5 MB). Free memory was 192.3 MB in the beginning and 89.0 MB in the end (delta: 103.3 MB). Peak memory consumption was 706.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:37,187 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.19 ms. Allocated memory was 148.9 MB in the beginning and 206.0 MB in the end (delta: 57.1 MB). Free memory was 104.1 MB in the beginning and 176.4 MB in the end (delta: -72.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.14 ms. Allocated memory is still 206.0 MB. Free memory was 176.4 MB in the beginning and 171.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1116.10 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 171.6 MB in the beginning and 193.9 MB in the end (delta: -22.3 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53895.18 ms. Allocated memory was 232.8 MB in the beginning and 836.2 MB in the end (delta: 603.5 MB). Free memory was 192.3 MB in the beginning and 89.0 MB in the end (delta: 103.3 MB). Peak memory consumption was 706.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 540]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L69] int cleanupTimeShifts = 4; [L282] int pumpRunning = 0; [L283] int systemActive = 1; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; [L155] FCALL select_helpers() [L156] FCALL select_features() [L157] CALL, EXPR valid_product() [L199] int retValue_acc ; [L202] retValue_acc = 1 [L203] return (retValue_acc); [L157] RET, EXPR valid_product() [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L161] FCALL setup() [L162] CALL runTest() [L141] CALL test() [L210] int splverifierCounter ; [L211] int tmp ; [L212] int tmp___0 ; [L213] int tmp___1 ; [L214] int tmp___2 ; [L217] splverifierCounter = 0 [L219] COND TRUE 1 [L221] COND TRUE splverifierCounter < 4 [L227] tmp = __VERIFIER_nondet_int() [L229] COND TRUE \read(tmp) [L231] CALL waterRise() [L460] COND TRUE waterLevel < 2 [L461] waterLevel = waterLevel + 1 [L231] RET waterRise() [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___1) [L264] CALL timeShift() [L289] COND FALSE !(\read(pumpRunning)) [L296] COND TRUE \read(systemActive) [L298] CALL processEnvironment() [L318] int tmp ; [L321] COND TRUE ! pumpRunning [L323] CALL, EXPR isHighWaterLevel() [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; [L421] CALL, EXPR isHighWaterSensorDry() [L522] int retValue_acc ; [L525] COND FALSE !(waterLevel < 2) [L529] retValue_acc = 0 [L530] return (retValue_acc); [L421] RET, EXPR isHighWaterSensorDry() [L421] tmp = isHighWaterSensorDry() [L423] COND FALSE !(\read(tmp)) [L426] tmp___0 = 1 [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); [L323] RET, EXPR isHighWaterLevel() [L323] tmp = isHighWaterLevel() [L325] COND TRUE \read(tmp) [L327] CALL activatePump() [L346] pumpRunning = 1 [L327] RET activatePump() [L298] RET processEnvironment() [L304] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L49] RET, EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) [L304] RET __utac_acc__Specification4_spec__1() [L264] RET timeShift() [L219] COND TRUE 1 [L221] COND TRUE splverifierCounter < 4 [L227] tmp = __VERIFIER_nondet_int() [L229] COND FALSE !(\read(tmp)) [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___1) [L264] CALL timeShift() [L289] COND TRUE \read(pumpRunning) [L291] CALL lowerWaterLevel() [L448] COND TRUE waterLevel > 0 [L449] waterLevel = waterLevel - 1 [L291] RET lowerWaterLevel() [L296] COND TRUE \read(systemActive) [L298] CALL processEnvironment() [L318] int tmp ; [L321] COND FALSE !(! pumpRunning) [L336] FCALL processEnvironment__wrappee__base() [L298] RET processEnvironment() [L304] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L49] RET, EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) [L304] RET __utac_acc__Specification4_spec__1() [L264] RET timeShift() [L219] COND TRUE 1 [L221] COND TRUE splverifierCounter < 4 [L227] tmp = __VERIFIER_nondet_int() [L229] COND FALSE !(\read(tmp)) [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___1) [L264] CALL timeShift() [L289] COND TRUE \read(pumpRunning) [L291] CALL lowerWaterLevel() [L448] COND TRUE waterLevel > 0 [L449] waterLevel = waterLevel - 1 [L291] RET lowerWaterLevel() [L296] COND TRUE \read(systemActive) [L298] CALL processEnvironment() [L318] int tmp ; [L321] COND FALSE !(! pumpRunning) [L336] FCALL processEnvironment__wrappee__base() [L298] RET processEnvironment() [L304] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L49] RET, EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND TRUE tmp == 0 [L53] CALL, EXPR isPumpRunning() [L370] int retValue_acc ; [L373] retValue_acc = pumpRunning [L374] return (retValue_acc); [L53] RET, EXPR isPumpRunning() [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) [L57] CALL __automaton_fail() [L540] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 53.7s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 29.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 847 SDtfs, 2407 SDslu, 1801 SDs, 0 SdLazy, 7416 SolverSat, 1862 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 376 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=600occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 807 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.9s InterpolantComputationTime, 813 NumberOfCodeBlocks, 813 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 655 ConstructedInterpolants, 0 QuantifiedInterpolants, 243114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 151/175 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...