/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 SingleStatement --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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:06:33,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:06:33,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:06:33,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:06:33,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:06:33,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:06:33,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:06:33,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:06:33,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:06:33,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:06:33,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:06:33,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:06:33,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:06:33,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:06:33,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:06:33,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:06:33,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:06:33,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:06:33,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:06:33,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:06:33,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:06:33,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:06:33,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:06:33,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:06:33,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:06:33,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:06:33,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:06:33,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:06:33,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:06:33,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:06:33,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:06:33,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:06:33,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:06:33,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:06:33,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:06:33,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:06:33,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:06:33,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:06:33,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:06:33,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:06:33,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:06:33,369 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 [2020-09-25 03:06:33,427 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:06:33,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:06:33,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:06:33,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:06:33,430 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:06:33,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:06:33,430 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:06:33,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:06:33,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:06:33,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:06:33,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:06:33,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:06:33,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:06:33,432 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:06:33,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:06:33,433 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:06:33,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:06:33,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:06:33,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:06:33,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:06:33,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:06:33,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:06:33,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:06:33,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:06:33,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:06:33,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:06:33,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:06:33,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:06:33,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:06:33,437 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 -> SingleStatement 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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=true; [2020-09-25 03:06:33,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:06:33,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:06:33,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:06:33,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:06:33,931 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:06:33,932 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-25 03:06:34,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bebb77a7c/3bf35ef2c2a94e949bed2aec7e6dff64/FLAG9f9960767 [2020-09-25 03:06:34,663 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:06:34,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-25 03:06:34,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bebb77a7c/3bf35ef2c2a94e949bed2aec7e6dff64/FLAG9f9960767 [2020-09-25 03:06:34,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bebb77a7c/3bf35ef2c2a94e949bed2aec7e6dff64 [2020-09-25 03:06:34,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:06:34,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:06:34,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:06:34,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:06:34,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:06:34,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:06:34" (1/1) ... [2020-09-25 03:06:34,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a9d3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:34, skipping insertion in model container [2020-09-25 03:06:34,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:06:34" (1/1) ... [2020-09-25 03:06:34,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:06:35,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:06:35,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:06:35,519 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:06:35,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:06:35,688 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:06:35,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:35 WrapperNode [2020-09-25 03:06:35,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:06:35,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:06:35,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:06:35,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:06:35,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:35" (1/1) ... [2020-09-25 03:06:35,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:35" (1/1) ... [2020-09-25 03:06:35,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:35" (1/1) ... [2020-09-25 03:06:35,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:35" (1/1) ... [2020-09-25 03:06:35,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:35" (1/1) ... [2020-09-25 03:06:35,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:35" (1/1) ... [2020-09-25 03:06:35,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:35" (1/1) ... [2020-09-25 03:06:35,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:06:35,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:06:35,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:06:35,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:06:35,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:35" (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 [2020-09-25 03:06:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:06:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:06:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:06:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:06:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:06:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:06:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:06:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:06:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:06:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:06:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:06:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:06:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:06:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:06:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:06:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:06:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 03:06:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:06:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:06:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:06:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:06:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:06:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:06:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:06:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:06:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:06:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:06:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:06:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:06:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:06:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:06:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:06:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:06:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:06:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:06:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:06:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:06:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:06:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:06:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:06:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:06:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:06:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:06:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:06:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:06:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:06:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:06:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:06:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:06:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:06:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:06:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:06:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:06:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:06:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:06:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:06:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:06:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:06:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 03:06:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:06:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:06:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:06:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:06:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:06:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:06:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:06:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:06:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:06:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:06:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:06:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:06:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:06:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:06:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:06:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:06:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:06:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:06:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:06:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:06:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:06:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:06:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:06:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:06:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:06:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:06:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:06:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:06:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:06:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:06:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:06:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:06:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:06:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:06:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:06:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:06:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:06:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:06:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:06:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:06:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:06:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:06:37,272 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:06:37,273 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:06:37,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:06:37 BoogieIcfgContainer [2020-09-25 03:06:37,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:06:37,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:06:37,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:06:37,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:06:37,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:06:34" (1/3) ... [2020-09-25 03:06:37,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16147372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:06:37, skipping insertion in model container [2020-09-25 03:06:37,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:35" (2/3) ... [2020-09-25 03:06:37,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16147372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:06:37, skipping insertion in model container [2020-09-25 03:06:37,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:06:37" (3/3) ... [2020-09-25 03:06:37,292 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-09-25 03:06:37,306 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:06:37,319 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:06:37,346 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:06:37,387 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:06:37,387 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:06:37,387 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:06:37,389 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:06:37,389 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:06:37,390 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:06:37,390 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:06:37,391 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:06:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2020-09-25 03:06:37,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 03:06:37,470 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:37,471 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:06:37,472 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:37,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:37,481 INFO L82 PathProgramCache]: Analyzing trace with hash -593535945, now seen corresponding path program 1 times [2020-09-25 03:06:37,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:37,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [229140816] [2020-09-25 03:06:37,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:38,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:38,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:39,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:40,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:42,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:42,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:42,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 03:06:42,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:06:42,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 03:06:42,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:42,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:06:42,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:06:42,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 03:06:42,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 03:06:43,377 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:06:43,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:43,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:43,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:43,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:43,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:43,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-09-25 03:06:43,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:43,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:43,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:43,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:06:43,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:43,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:06:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:43,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:43,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:43,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:43,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:43,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:43,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:43,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:43,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:43,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:43,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:43,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:06:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:43,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:43,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:43,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:43,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:43,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:43,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:43,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:43,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:43,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:43,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:43,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:06:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:43,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:43,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:43,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:43,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:43,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:06:43,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:43,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:43,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:06:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:43,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:43,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:43,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:43,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:43,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:43,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:43,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:43,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:43,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:06:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:43,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:43,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:43,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:43,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:43,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:43,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:06:43,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:43,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:06:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:43,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:43,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:43,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:43,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:43,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:06:43,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:43,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:43,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:06:43,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:43,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:43,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:43,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:43,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:43,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:43,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:43,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:43,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:43,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 03:06:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:43,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:43,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:43,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:44,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:44,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:06:44,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:44,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:06:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:44,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:44,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:44,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:44,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:44,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 03:06:44,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:44,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:06:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 03:06:44,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [229140816] [2020-09-25 03:06:44,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:06:44,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:06:44,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320873007] [2020-09-25 03:06:44,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:06:44,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:06:44,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:06:44,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:06:44,251 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 9 states. [2020-09-25 03:06:45,111 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:45,924 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:46,250 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:47,933 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:48,262 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:48,653 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:49,086 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:49,408 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:49,740 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:50,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:06:50,890 INFO L93 Difference]: Finished difference Result 719 states and 862 transitions. [2020-09-25 03:06:50,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:06:50,893 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 03:06:50,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:06:50,917 INFO L225 Difference]: With dead ends: 719 [2020-09-25 03:06:50,917 INFO L226 Difference]: Without dead ends: 480 [2020-09-25 03:06:50,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:06:50,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-25 03:06:51,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 432. [2020-09-25 03:06:51,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-09-25 03:06:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 482 transitions. [2020-09-25 03:06:51,126 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 482 transitions. Word has length 160 [2020-09-25 03:06:51,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:06:51,129 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 482 transitions. [2020-09-25 03:06:51,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:06:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 482 transitions. [2020-09-25 03:06:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-25 03:06:51,143 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:51,144 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:06:51,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:06:51,146 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:51,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:51,147 INFO L82 PathProgramCache]: Analyzing trace with hash -2071947246, now seen corresponding path program 1 times [2020-09-25 03:06:51,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:51,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087853328] [2020-09-25 03:06:51,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:51,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:51,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:53,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:53,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 03:06:53,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:06:53,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2298 [2020-09-25 03:06:53,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:06:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-25 03:06:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:53,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:53,794 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:06:53,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:53,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:53,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:53,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:53,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:53,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 03:06:53,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:53,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:53,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:06:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:53,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:53,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:53,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:53,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:53,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:06:53,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:53,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:53,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:53,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:53,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:53,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:06:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:53,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:53,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:53,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:53,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:53,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:53,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:53,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:06:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:53,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:53,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:53,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:53,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:53,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:53,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:53,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:53,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:06:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:53,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:53,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:53,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:53,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:53,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:06:53,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:53,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:53,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:53,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:53,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:06:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:53,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:53,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:53,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:53,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:53,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:53,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:53,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:53,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:53,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:53,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:53,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:06:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:53,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:53,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:53,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:53,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:53,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:53,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:53,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:53,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:53,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:53,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:53,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:53,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:53,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:53,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:53,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:54,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:06:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:54,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 03:06:54,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:06:54,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:06:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:54,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:54,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:06:54,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 03:06:54,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:06:54,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 03:06:54,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:54,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:54,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:06:54,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 03:06:54,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:06:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:06:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:54,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:54,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:06:54,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 03:06:54,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:06:54,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:54,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:06:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:06:54,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:54,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:54,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:54,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:06:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:06:54,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:06:54,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:06:54,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:54,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:54,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:06:54,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:54,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:54,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:54,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:54,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:54,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:54,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:54,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:54,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:54,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:06:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:54,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:54,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:54,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:54,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 03:06:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:54,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:54,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:54,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:54,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:54,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:54,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 03:06:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:54,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:54,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:54,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:54,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:54,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:54,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:54,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:54,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:06:54,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087853328] [2020-09-25 03:06:54,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:06:54,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:06:54,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812336099] [2020-09-25 03:06:54,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:06:54,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:06:54,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:06:54,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:06:54,775 INFO L87 Difference]: Start difference. First operand 432 states and 482 transitions. Second operand 10 states. [2020-09-25 03:06:56,488 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:56,834 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:57,168 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 03:06:57,504 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:57,857 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:06:58,191 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:06:59,625 INFO L93 Difference]: Finished difference Result 844 states and 1021 transitions. [2020-09-25 03:06:59,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:06:59,626 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2020-09-25 03:06:59,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:06:59,637 INFO L225 Difference]: With dead ends: 844 [2020-09-25 03:06:59,637 INFO L226 Difference]: Without dead ends: 527 [2020-09-25 03:06:59,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 03:06:59,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-09-25 03:06:59,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 446. [2020-09-25 03:06:59,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-09-25 03:06:59,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 502 transitions. [2020-09-25 03:06:59,708 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 502 transitions. Word has length 226 [2020-09-25 03:06:59,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:06:59,709 INFO L479 AbstractCegarLoop]: Abstraction has 446 states and 502 transitions. [2020-09-25 03:06:59,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:06:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 502 transitions. [2020-09-25 03:06:59,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-09-25 03:06:59,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:59,714 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:06:59,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:06:59,714 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:59,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:59,715 INFO L82 PathProgramCache]: Analyzing trace with hash 143285359, now seen corresponding path program 1 times [2020-09-25 03:06:59,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:59,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349891620] [2020-09-25 03:06:59,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:59,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:59,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:00,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:00,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:00,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:04,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:04,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-09-25 03:07:04,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:07:04,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 03:07:04,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:04,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:07:04,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:07:04,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-25 03:07:04,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:05,110 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:07:05,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:07:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:07:05,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-25 03:07:05,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:07:05,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:07:05,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:05,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:07:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:07:05,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:07:05,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:07:05,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:07:05,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:05,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:07:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:07:05,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:07:05,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:07:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:07:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:05,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:07:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:07:05,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:07:05,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:07:05,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:07:05,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:05,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:07:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:07:05,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:07:05,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:07:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:07:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:07:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:07:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:07:05,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:07:05,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:07:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:07:05,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:07:05,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:07:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 03:07:05,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 03:07:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:07:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:07:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 03:07:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:07:05,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:07:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:07:05,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:07:05,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:07:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:07:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:07:05,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:07:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:07:05,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:07:05,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:07:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:07:05,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:05,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 03:07:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:07:05,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:07:05,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 03:07:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:07:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:05,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:07:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:07:05,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:07:05,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:07:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:07:05,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:07:05,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 03:07:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:07:05,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:07:05,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:07:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:07:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:07:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:05,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:07:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:07:05,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:05,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:07:05,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:07:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:07:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:05,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:07:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:05,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:05,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:07:05,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:07:05,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 03:07:05,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:07:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 03:07:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:07:05,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:07:05,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:07:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:06,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:06,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:07:06,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 03:07:06,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:07:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:07:06,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:07:06,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:07:06,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:07:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:06,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:06,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:06,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:07:06,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:06,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 03:07:06,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:07:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:07:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:07:06,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:06,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:07:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:06,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:06,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:06,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:07:06,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:06,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 03:07:06,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:06,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:07:06,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:07:06,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:07:06,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:06,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:07:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:06,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:06,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:06,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:07:06,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:06,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:07:06,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:07:06,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:06,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:07:06,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:06,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:07:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:06,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:06,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:06,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:07:06,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:06,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:07:06,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:07:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:07:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:07:06,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:06,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:07:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:06,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:06,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:06,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:07:06,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:06,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:07:06,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:06,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:07:06,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:06,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:07:06,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:07:06,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:07:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:06,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:06,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:06,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:07:06,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:06,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:07:06,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:06,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:07:06,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:06,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:07:06,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:06,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:07:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:06,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:06,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:06,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:07:06,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:06,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:07:06,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:06,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:07:06,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:07:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:07:06,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:06,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 03:07:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:06,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:06,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:06,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:07:06,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:06,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:07:06,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:06,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:07:06,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:07:06,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:07:06,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:06,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-25 03:07:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:06,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:06,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:07:06,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:07:06,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:07:06,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:07:06,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:07:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:07:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:07:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:07:06,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:07:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 03:07:06,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349891620] [2020-09-25 03:07:06,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:07:06,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-25 03:07:06,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902063153] [2020-09-25 03:07:06,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-25 03:07:06,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:07:06,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-25 03:07:06,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:07:06,400 INFO L87 Difference]: Start difference. First operand 446 states and 502 transitions. Second operand 19 states. [2020-09-25 03:07:07,079 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:07:08,878 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:07:09,218 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:07:09,550 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:07:10,247 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-25 03:07:10,865 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 03:07:11,320 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:07:11,677 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:07:12,027 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:07:12,400 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:07:12,740 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:07:13,072 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:07:13,428 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:07:13,783 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:07:14,163 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 03:07:14,514 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:07:15,110 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-25 03:07:16,836 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:07:17,488 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 03:07:18,178 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:07:23,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:07:23,126 INFO L93 Difference]: Finished difference Result 1600 states and 2225 transitions. [2020-09-25 03:07:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-09-25 03:07:23,127 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 262 [2020-09-25 03:07:23,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:07:23,143 INFO L225 Difference]: With dead ends: 1600 [2020-09-25 03:07:23,143 INFO L226 Difference]: Without dead ends: 1226 [2020-09-25 03:07:23,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=569, Invalid=2511, Unknown=0, NotChecked=0, Total=3080 [2020-09-25 03:07:23,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2020-09-25 03:07:23,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 982. [2020-09-25 03:07:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 982 states. [2020-09-25 03:07:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1157 transitions. [2020-09-25 03:07:23,337 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1157 transitions. Word has length 262 [2020-09-25 03:07:23,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:07:23,339 INFO L479 AbstractCegarLoop]: Abstraction has 982 states and 1157 transitions. [2020-09-25 03:07:23,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-25 03:07:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1157 transitions. [2020-09-25 03:07:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-25 03:07:23,344 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:07:23,344 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:07:23,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:07:23,345 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:07:23,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:07:23,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1367745327, now seen corresponding path program 1 times [2020-09-25 03:07:23,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:07:23,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598500660] [2020-09-25 03:07:23,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:07:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:07:23,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:07:23,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking...