/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_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:05:05,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:05:05,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:05:05,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:05:05,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:05:05,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:05:05,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:05:05,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:05:05,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:05:05,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:05:05,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:05:05,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:05:05,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:05:05,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:05:05,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:05:05,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:05:05,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:05:05,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:05:05,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:05:05,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:05:05,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:05:05,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:05:05,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:05:05,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:05:05,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:05:05,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:05:05,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:05:05,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:05:05,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:05:05,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:05:05,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:05:05,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:05:05,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:05:05,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:05:05,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:05:05,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:05:05,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:05:05,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:05:05,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:05:05,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:05:05,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:05:05,654 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 03:05:05,682 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:05:05,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:05:05,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:05:05,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:05:05,684 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:05:05,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:05:05,685 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:05:05,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:05:05,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:05:05,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:05:05,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:05:05,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:05:05,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:05:05,686 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:05:05,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:05:05,687 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:05:05,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:05:05,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:05:05,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:05:05,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:05:05,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:05:05,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:05:05,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:05:05,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:05:05,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:05:05,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:05:05,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:05:05,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:05:05,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:05:05,690 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 03:05:06,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:05:06,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:05:06,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:05:06,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:05:06,205 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:05:06,206 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-25 03:05:06,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c43b3c36/746cc063e6c745a3b6baff16e36a8f17/FLAG20e7b86f6 [2020-09-25 03:05:06,946 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:05:06,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-25 03:05:06,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c43b3c36/746cc063e6c745a3b6baff16e36a8f17/FLAG20e7b86f6 [2020-09-25 03:05:07,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c43b3c36/746cc063e6c745a3b6baff16e36a8f17 [2020-09-25 03:05:07,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:05:07,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:05:07,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:05:07,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:05:07,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:05:07,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:05:07" (1/1) ... [2020-09-25 03:05:07,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07, skipping insertion in model container [2020-09-25 03:05:07,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:05:07" (1/1) ... [2020-09-25 03:05:07,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:05:07,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:05:07,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:05:07,854 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:05:07,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:05:07,997 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:05:07,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07 WrapperNode [2020-09-25 03:05:07,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:05:07,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:05:07,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:05:07,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:05:08,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07" (1/1) ... [2020-09-25 03:05:08,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07" (1/1) ... [2020-09-25 03:05:08,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07" (1/1) ... [2020-09-25 03:05:08,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07" (1/1) ... [2020-09-25 03:05:08,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07" (1/1) ... [2020-09-25 03:05:08,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07" (1/1) ... [2020-09-25 03:05:08,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07" (1/1) ... [2020-09-25 03:05:08,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:05:08,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:05:08,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:05:08,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:05:08,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07" (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 03:05:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:05:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:05:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:05:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:05:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:05:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:05:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:05:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:05:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:05:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:05:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:05:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:05:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:05:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:05:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:05:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:05:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:05:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:05:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:05:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:05:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:05:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:05:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:05:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:05:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:05:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:05:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:05:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:05:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:05:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:05:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:05:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:05:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:05:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:05:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:05:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:05:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:05:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:05:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:05:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:05:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 03:05:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:05:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:05:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:05:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:05:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:05:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:05:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:05:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:05:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:05:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:05:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:05:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:05:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:05:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:05:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:05:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:05:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:05:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:05:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:05:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:05:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:05:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:05:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:05:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:05:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:05:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:05:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:05:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:05:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:05:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:05:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:05:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:05:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:05:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:05:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:05:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:05:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:05:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:05:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:05:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:05:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:05:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:05:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:05:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:05:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:05:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:05:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:05:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 03:05:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:05:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:05:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:05:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:05:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:05:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:05:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:05:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:05:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:05:09,545 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:05:09,546 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:05:09,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:05:09 BoogieIcfgContainer [2020-09-25 03:05:09,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:05:09,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:05:09,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:05:09,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:05:09,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:05:07" (1/3) ... [2020-09-25 03:05:09,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9e79dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:05:09, skipping insertion in model container [2020-09-25 03:05:09,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:07" (2/3) ... [2020-09-25 03:05:09,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9e79dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:05:09, skipping insertion in model container [2020-09-25 03:05:09,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:05:09" (3/3) ... [2020-09-25 03:05:09,573 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-09-25 03:05:09,586 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:05:09,600 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:05:09,625 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:05:09,671 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:05:09,671 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:05:09,671 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:05:09,671 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:05:09,672 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:05:09,673 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:05:09,673 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:05:09,673 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:05:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2020-09-25 03:05:09,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 03:05:09,755 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:09,758 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 03:05:09,759 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:09,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:09,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1445921999, now seen corresponding path program 1 times [2020-09-25 03:05:09,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:09,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516737284] [2020-09-25 03:05:09,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:10,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:10,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:11,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:12,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 03:05:15,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:05:15,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 03:05:15,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:05:15,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 03:05:15,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 03:05:15,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 03:05:15,768 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:15,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:16,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:16,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:16,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-09-25 03:05:16,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:16,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 03:05:16,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:16,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:16,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:16,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:16,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:16,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:16,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:16,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:16,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:16,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:16,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:16,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:16,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:16,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:16,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:16,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:16,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:16,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:16,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:16,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:05:16,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:16,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:16,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:16,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:16,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:16,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:16,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:16,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:16,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:16,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:16,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:16,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:16,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:16,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:16,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:16,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:16,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:16,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:05:16,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:16,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:16,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:16,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:16,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:16,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:05:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:16,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:16,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:16,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:16,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:16,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 03:05:16,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:16,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:16,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:16,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:16,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:16,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:16,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:16,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:16,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:16,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:16,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:16,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:16,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:16,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:16,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:16,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:16,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 03:05:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:16,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:16,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:16,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:16,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:16,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:16,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:16,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:16,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:16,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:05:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:16,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:16,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:16,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:16,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:16,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:05:16,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:16,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:16,497 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 03:05:16,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516737284] [2020-09-25 03:05:16,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:16,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:05:16,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552878691] [2020-09-25 03:05:16,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:05:16,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:16,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:05:16,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:05:16,537 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 9 states. [2020-09-25 03:05:17,143 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:17,923 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:18,247 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:19,898 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:20,190 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:20,580 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:21,001 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:21,325 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:21,634 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:22,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:22,456 INFO L93 Difference]: Finished difference Result 649 states and 778 transitions. [2020-09-25 03:05:22,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:05:22,458 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 03:05:22,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:22,496 INFO L225 Difference]: With dead ends: 649 [2020-09-25 03:05:22,496 INFO L226 Difference]: Without dead ends: 441 [2020-09-25 03:05:22,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:05:22,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2020-09-25 03:05:22,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 393. [2020-09-25 03:05:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-09-25 03:05:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 437 transitions. [2020-09-25 03:05:22,689 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 437 transitions. Word has length 160 [2020-09-25 03:05:22,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:22,692 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 437 transitions. [2020-09-25 03:05:22,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:05:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 437 transitions. [2020-09-25 03:05:22,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-09-25 03:05:22,702 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:22,703 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] [2020-09-25 03:05:22,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:05:22,704 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:22,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:22,704 INFO L82 PathProgramCache]: Analyzing trace with hash -911955528, now seen corresponding path program 1 times [2020-09-25 03:05:22,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:22,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624219407] [2020-09-25 03:05:22,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-09-25 03:05:27,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:05:27,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 03:05:27,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:05:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 03:05:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-25 03:05:27,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:28,132 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:28,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:28,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-25 03:05:28,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:28,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:05:28,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:28,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:28,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:28,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:28,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:28,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:28,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:28,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:28,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:28,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:05:28,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:28,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:28,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:28,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:28,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:28,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:28,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:28,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:28,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:28,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:05:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 03:05:28,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 03:05:28,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:05:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:05:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 03:05:28,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:28,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:28,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:05:28,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:28,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:28,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:28,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:28,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:28,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:28,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:28,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:28,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 03:05:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:05:28,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:05:28,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 03:05:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:05:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:28,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:28,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:05:28,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:05:28,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:05:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:28,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 03:05:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:28,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:28,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:05:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:28,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:28,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:28,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:28,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:28,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:28,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:28,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:05:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:28,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:28,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:28,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:05:28,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:28,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-25 03:05:28,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:05:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:28,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:29,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 03:05:29,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:05:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:29,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:29,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 03:05:29,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:05:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:29,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:05:29,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:05:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:29,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:29,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:29,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:05:29,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:05:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:29,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:29,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:29,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:29,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:29,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:29,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:29,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:29,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:29,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:29,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 03:05:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:29,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:29,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 03:05:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:29,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:29,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:29,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:29,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:29,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:29,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:29,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:29,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:29,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:29,402 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 03:05:29,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624219407] [2020-09-25 03:05:29,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:05:29,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-25 03:05:29,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63841257] [2020-09-25 03:05:29,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-25 03:05:29,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:29,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-25 03:05:29,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:05:29,410 INFO L87 Difference]: Start difference. First operand 393 states and 437 transitions. Second operand 19 states. [2020-09-25 03:05:29,946 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:31,469 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:31,801 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:32,172 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:32,557 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:32,908 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:33,253 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:33,574 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:33,931 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:34,240 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:34,557 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:34,947 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:35,257 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:35,559 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:35,844 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:36,154 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:36,487 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:37,089 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:05:37,415 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:38,358 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-25 03:05:40,302 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:05:40,951 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 03:05:41,638 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-25 03:05:42,339 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 03:05:45,017 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:45,377 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:45,736 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:46,091 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:48,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:48,450 INFO L93 Difference]: Finished difference Result 1711 states and 2409 transitions. [2020-09-25 03:05:48,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-09-25 03:05:48,451 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 257 [2020-09-25 03:05:48,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:48,472 INFO L225 Difference]: With dead ends: 1711 [2020-09-25 03:05:48,473 INFO L226 Difference]: Without dead ends: 1433 [2020-09-25 03:05:48,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1320 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=844, Invalid=3848, Unknown=0, NotChecked=0, Total=4692 [2020-09-25 03:05:48,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2020-09-25 03:05:48,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 1086. [2020-09-25 03:05:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1086 states. [2020-09-25 03:05:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1309 transitions. [2020-09-25 03:05:48,703 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1309 transitions. Word has length 257 [2020-09-25 03:05:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:48,706 INFO L479 AbstractCegarLoop]: Abstraction has 1086 states and 1309 transitions. [2020-09-25 03:05:48,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-25 03:05:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1309 transitions. [2020-09-25 03:05:48,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-09-25 03:05:48,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:48,714 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:48,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:05:48,714 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:48,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:48,715 INFO L82 PathProgramCache]: Analyzing trace with hash 363947263, now seen corresponding path program 1 times [2020-09-25 03:05:48,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:48,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010510257] [2020-09-25 03:05:48,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:48,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:48,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:49,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:49,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:53,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:53,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-09-25 03:05:53,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:05:53,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 03:05:53,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:05:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 03:05:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 03:05:53,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:54,091 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:54,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:54,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-25 03:05:54,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:54,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 03:05:54,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:54,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:54,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:54,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:54,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:54,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:54,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:54,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:54,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:54,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:54,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:05:54,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:54,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:54,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:54,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:54,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:54,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:54,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:54,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:54,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:54,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:54,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:54,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:54,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:05:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 03:05:54,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:05:54,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:54,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 03:05:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 03:05:54,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:54,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:54,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:54,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:54,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:54,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:54,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:54,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:54,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:54,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 03:05:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 03:05:54,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:05:54,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:54,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 03:05:54,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:54,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:54,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:54,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:54,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:54,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:54,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 03:05:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:54,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:54,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:54,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:54,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:54,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-25 03:05:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:54,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:54,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:54,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:05:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:54,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:54,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:54,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:54,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:54,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:54,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:54,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:54,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 03:05:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:05:54,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:54,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-25 03:05:54,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 03:05:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:54,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:54,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:54,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:54,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:54,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:54,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 03:05:54,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:54,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:54,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:05:54,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:54,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:54,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:54,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:55,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:55,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:55,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 03:05:55,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:55,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:05:55,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:55,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:55,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:55,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:55,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:55,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:55,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:55,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:55,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:55,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:55,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:55,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:55,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:55,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:55,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:05:55,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:05:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:55,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:55,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:55,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:55,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:55,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:55,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:55,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:55,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:55,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:55,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:55,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:55,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:55,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:55,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:55,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:55,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:55,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:55,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:55,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:55,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:55,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:55,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:55,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:55,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:55,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:55,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:55,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:55,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:55,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:55,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:55,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:55,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 03:05:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:55,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:55,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:55,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:55,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:55,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:55,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:55,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:55,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:55,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:55,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:55,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-25 03:05:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:55,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:55,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:55,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:55,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:55,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:55,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:55,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:55,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:55,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:55,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-25 03:05:55,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010510257] [2020-09-25 03:05:55,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:55,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 03:05:55,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804992372] [2020-09-25 03:05:55,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 03:05:55,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:55,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 03:05:55,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-25 03:05:55,298 INFO L87 Difference]: Start difference. First operand 1086 states and 1309 transitions. Second operand 13 states. [2020-09-25 03:05:55,964 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:57,301 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:57,626 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:57,967 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 196